^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Slabinfo: Tool to get reports about slabs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * (C) 2007 sgi, Christoph Lameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * (C) 2011 Linux Foundation, Christoph Lameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Compile with:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * gcc -o slabinfo slabinfo.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <dirent.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <strings.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <stdarg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <getopt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <regex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define MAX_SLABS 500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define MAX_ALIASES 500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define MAX_NODES 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct slabinfo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int refs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int aliases, align, cache_dma, cpu_slabs, destroy_by_rcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) unsigned int hwcache_align, object_size, objs_per_slab;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) unsigned int sanity_checks, slab_size, store_user, trace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int order, poison, reclaim_account, red_zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned long partial, objects, slabs, objects_partial, objects_total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) unsigned long alloc_fastpath, alloc_slowpath;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) unsigned long free_fastpath, free_slowpath;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) unsigned long free_frozen, free_add_partial, free_remove_partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) unsigned long alloc_from_partial, alloc_slab, free_slab, alloc_refill;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) unsigned long cpuslab_flush, deactivate_full, deactivate_empty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) unsigned long deactivate_to_head, deactivate_to_tail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) unsigned long deactivate_remote_frees, order_fallback;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) unsigned long cmpxchg_double_cpu_fail, cmpxchg_double_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned long alloc_node_mismatch, deactivate_bypass;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) unsigned long cpu_partial_alloc, cpu_partial_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int numa[MAX_NODES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int numa_partial[MAX_NODES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) } slabinfo[MAX_SLABS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct aliasinfo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) char *ref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct slabinfo *slab;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) } aliasinfo[MAX_ALIASES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int actual_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int aliases;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) int alias_targets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) int highest_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) char buffer[4096];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) int show_empty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) int show_report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) int show_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int show_slab;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int skip_zero = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) int show_numa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int show_track;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) int show_first_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int validate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int shrink;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int show_inverted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int show_single_ref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) int show_totals;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int sort_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int sort_active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) int set_debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int show_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) int sort_partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int show_activity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int output_lines = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int sort_loss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int extended_totals;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) int show_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int unreclaim_only;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* Debug options */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int sanity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int redzone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int poison;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int tracking;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) int tracing;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) int page_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) regex_t pattern;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static void fatal(const char *x, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) va_list ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) va_start(ap, x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) vfprintf(stderr, x, ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) va_end(ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) exit(EXIT_FAILURE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static void usage(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) printf("slabinfo 4/15/2011. (c) 2007 sgi/(c) 2011 Linux Foundation.\n\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) "slabinfo [-aABDefhilLnoPrsStTUvXz1] [N=K] [-dafzput] [slab-regexp]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) "-a|--aliases Show aliases\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) "-A|--activity Most active slabs first\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) "-B|--Bytes Show size in bytes\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) "-D|--display-active Switch line format to activity\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) "-e|--empty Show empty slabs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) "-f|--first-alias Show first alias\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) "-h|--help Show usage information\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) "-i|--inverted Inverted list\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) "-l|--slabs Show slabs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) "-L|--Loss Sort by loss\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) "-n|--numa Show NUMA information\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) "-N|--lines=K Show the first K slabs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) "-o|--ops Show kmem_cache_ops\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) "-P|--partial Sort by number of partial slabs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) "-r|--report Detailed report on single slabs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) "-s|--shrink Shrink slabs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) "-S|--Size Sort by size\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) "-t|--tracking Show alloc/free information\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) "-T|--Totals Show summary information\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) "-U|--Unreclaim Show unreclaimable slabs only\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) "-v|--validate Validate slabs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) "-X|--Xtotals Show extended summary information\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) "-z|--zero Include empty slabs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) "-1|--1ref Single reference\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) "-d | --debug Switch off all debug options\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) "-da | --debug=a Switch on all debug options (--debug=FZPU)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) "-d[afzput] | --debug=[afzput]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) " f | F Sanity Checks (SLAB_CONSISTENCY_CHECKS)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) " z | Z Redzoning\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) " p | P Poisoning\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) " u | U Tracking\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) " t | T Tracing\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) "\nSorting options (--Loss, --Size, --Partial) are mutually exclusive\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static unsigned long read_obj(const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) FILE *f = fopen(name, "r");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (!f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) buffer[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (!fgets(buffer, sizeof(buffer), f))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) buffer[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) fclose(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) if (buffer[strlen(buffer)] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) buffer[strlen(buffer)] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return strlen(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * Get the contents of an attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static unsigned long get_obj(const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if (!read_obj(name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) return atol(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static unsigned long get_obj_and_str(const char *name, char **x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) unsigned long result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) *x = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (!read_obj(name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) x = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) result = strtoul(buffer, &p, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) while (*p == ' ')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) p++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (*p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) *x = strdup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static void set_obj(struct slabinfo *s, const char *name, int n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) char x[100];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) FILE *f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) snprintf(x, 100, "%s/%s", s->name, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) f = fopen(x, "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (!f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) fatal("Cannot write to %s\n", x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) fprintf(f, "%d\n", n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) fclose(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static unsigned long read_slab_obj(struct slabinfo *s, const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) char x[100];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) FILE *f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) size_t l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) snprintf(x, 100, "%s/%s", s->name, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) f = fopen(x, "r");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (!f) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) buffer[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) l = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) l = fread(buffer, 1, sizeof(buffer), f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) buffer[l] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) fclose(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * Put a size string together
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) static int store_size(char *buffer, unsigned long value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) unsigned long divisor = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) char trailer = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) int n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (!show_bytes) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (value > 1000000000UL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) divisor = 100000000UL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) trailer = 'G';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) } else if (value > 1000000UL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) divisor = 100000UL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) trailer = 'M';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) } else if (value > 1000UL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) divisor = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) trailer = 'K';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) value /= divisor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) n = sprintf(buffer, "%ld",value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (trailer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) buffer[n] = trailer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) n++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) buffer[n] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) if (divisor != 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) memmove(buffer + n - 2, buffer + n - 3, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) buffer[n-2] = '.';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) n++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) static void decode_numa_list(int *numa, char *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) int node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) int nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) memset(numa, 0, MAX_NODES * sizeof(int));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) if (!t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) while (*t == 'N') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) t++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) node = strtoul(t, &t, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) if (*t == '=') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) t++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) nr = strtoul(t, &t, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) numa[node] = nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (node > highest_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) highest_node = node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) while (*t == ' ')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) t++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) static void slab_validate(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (strcmp(s->name, "*") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) set_obj(s, "validate", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) static void slab_shrink(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) if (strcmp(s->name, "*") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) set_obj(s, "shrink", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) int line = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) static void first_line(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (show_activity)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) printf("Name Objects Alloc Free"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) " %%Fast Fallb O CmpX UL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) printf("Name Objects Objsize %s "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) "Slabs/Part/Cpu O/S O %%Fr %%Ef Flg\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) sort_loss ? " Loss" : "Space");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) * Find the shortest alias of a slab
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) static struct aliasinfo *find_one_alias(struct slabinfo *find)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) struct aliasinfo *a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct aliasinfo *best = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) for(a = aliasinfo;a < aliasinfo + aliases; a++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (a->slab == find &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) (!best || strlen(best->name) < strlen(a->name))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) best = a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if (strncmp(a->name,"kmall", 5) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) return best;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return best;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) static unsigned long slab_size(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) return s->slabs * (page_size << s->order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) static unsigned long slab_activity(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) return s->alloc_fastpath + s->free_fastpath +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) s->alloc_slowpath + s->free_slowpath;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) static unsigned long slab_waste(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) return slab_size(s) - s->objects * s->object_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) static void slab_numa(struct slabinfo *s, int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) int node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (strcmp(s->name, "*") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) if (!highest_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) printf("\n%s: No NUMA information available.\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) if (skip_zero && !s->slabs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (!line) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) printf("\n%-21s:", mode ? "NUMA nodes" : "Slab");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) for(node = 0; node <= highest_node; node++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) printf(" %4d", node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) printf("\n----------------------");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) for(node = 0; node <= highest_node; node++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) printf("-----");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) printf("%-21s ", mode ? "All slabs" : s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) for(node = 0; node <= highest_node; node++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) char b[20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) store_size(b, s->numa[node]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) printf(" %4s", b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) if (mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) printf("%-21s ", "Partial slabs");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) for(node = 0; node <= highest_node; node++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) char b[20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) store_size(b, s->numa_partial[node]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) printf(" %4s", b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) line++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static void show_tracking(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) printf("\n%s: Kernel object allocation\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) printf("-----------------------------------------------------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) if (read_slab_obj(s, "alloc_calls"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) printf("%s", buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) printf("No Data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) printf("\n%s: Kernel object freeing\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) printf("------------------------------------------------------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) if (read_slab_obj(s, "free_calls"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) printf("%s", buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) printf("No Data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) static void ops(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) if (strcmp(s->name, "*") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) if (read_slab_obj(s, "ops")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) printf("\n%s: kmem_cache operations\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) printf("--------------------------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) printf("%s", buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) printf("\n%s has no kmem_cache operations\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) static const char *onoff(int x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) if (x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) return "On ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) return "Off";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) static void slab_stats(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) unsigned long total_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) unsigned long total_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) unsigned long total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (!s->alloc_slab)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) total_alloc = s->alloc_fastpath + s->alloc_slowpath;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) total_free = s->free_fastpath + s->free_slowpath;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (!total_alloc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) printf("Slab Perf Counter Alloc Free %%Al %%Fr\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) printf("--------------------------------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) printf("Fastpath %8lu %8lu %3lu %3lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) s->alloc_fastpath, s->free_fastpath,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) s->alloc_fastpath * 100 / total_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) total_free ? s->free_fastpath * 100 / total_free : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) printf("Slowpath %8lu %8lu %3lu %3lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) total_alloc - s->alloc_fastpath, s->free_slowpath,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) (total_alloc - s->alloc_fastpath) * 100 / total_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) total_free ? s->free_slowpath * 100 / total_free : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) printf("Page Alloc %8lu %8lu %3lu %3lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) s->alloc_slab, s->free_slab,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) s->alloc_slab * 100 / total_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) total_free ? s->free_slab * 100 / total_free : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) printf("Add partial %8lu %8lu %3lu %3lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) s->deactivate_to_head + s->deactivate_to_tail,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) s->free_add_partial,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) (s->deactivate_to_head + s->deactivate_to_tail) * 100 / total_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) total_free ? s->free_add_partial * 100 / total_free : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) printf("Remove partial %8lu %8lu %3lu %3lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) s->alloc_from_partial, s->free_remove_partial,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) s->alloc_from_partial * 100 / total_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) total_free ? s->free_remove_partial * 100 / total_free : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) printf("Cpu partial list %8lu %8lu %3lu %3lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) s->cpu_partial_alloc, s->cpu_partial_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) s->cpu_partial_alloc * 100 / total_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) total_free ? s->cpu_partial_free * 100 / total_free : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) printf("RemoteObj/SlabFrozen %8lu %8lu %3lu %3lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) s->deactivate_remote_frees, s->free_frozen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) s->deactivate_remote_frees * 100 / total_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) total_free ? s->free_frozen * 100 / total_free : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) printf("Total %8lu %8lu\n\n", total_alloc, total_free);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) if (s->cpuslab_flush)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) printf("Flushes %8lu\n", s->cpuslab_flush);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) total = s->deactivate_full + s->deactivate_empty +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) s->deactivate_to_head + s->deactivate_to_tail + s->deactivate_bypass;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) if (total) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) printf("\nSlab Deactivation Occurrences %%\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) printf("-------------------------------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) printf("Slab full %7lu %3lu%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) s->deactivate_full, (s->deactivate_full * 100) / total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) printf("Slab empty %7lu %3lu%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) s->deactivate_empty, (s->deactivate_empty * 100) / total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) printf("Moved to head of partial list %7lu %3lu%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) s->deactivate_to_head, (s->deactivate_to_head * 100) / total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) printf("Moved to tail of partial list %7lu %3lu%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) s->deactivate_to_tail, (s->deactivate_to_tail * 100) / total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) printf("Deactivation bypass %7lu %3lu%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) s->deactivate_bypass, (s->deactivate_bypass * 100) / total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) printf("Refilled from foreign frees %7lu %3lu%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) s->alloc_refill, (s->alloc_refill * 100) / total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) printf("Node mismatch %7lu %3lu%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) s->alloc_node_mismatch, (s->alloc_node_mismatch * 100) / total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) if (s->cmpxchg_double_fail || s->cmpxchg_double_cpu_fail) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) printf("\nCmpxchg_double Looping\n------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) printf("Locked Cmpxchg Double redos %lu\nUnlocked Cmpxchg Double redos %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) s->cmpxchg_double_fail, s->cmpxchg_double_cpu_fail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) static void report(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) if (strcmp(s->name, "*") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) printf("\nSlabcache: %-15s Aliases: %2d Order : %2d Objects: %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) s->name, s->aliases, s->order, s->objects);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) if (s->hwcache_align)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) printf("** Hardware cacheline aligned\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (s->cache_dma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) printf("** Memory is allocated in a special DMA zone\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) if (s->destroy_by_rcu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) printf("** Slabs are destroyed via RCU\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) if (s->reclaim_account)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) printf("** Reclaim accounting active\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) printf("\nSizes (bytes) Slabs Debug Memory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) printf("------------------------------------------------------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) printf("Object : %7d Total : %7ld Sanity Checks : %s Total: %7ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) s->object_size, s->slabs, onoff(s->sanity_checks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) s->slabs * (page_size << s->order));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) printf("SlabObj: %7d Full : %7ld Redzoning : %s Used : %7ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) s->slab_size, s->slabs - s->partial - s->cpu_slabs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) onoff(s->red_zone), s->objects * s->object_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) printf("SlabSiz: %7d Partial: %7ld Poisoning : %s Loss : %7ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) page_size << s->order, s->partial, onoff(s->poison),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) s->slabs * (page_size << s->order) - s->objects * s->object_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) printf("Loss : %7d CpuSlab: %7d Tracking : %s Lalig: %7ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) s->slab_size - s->object_size, s->cpu_slabs, onoff(s->store_user),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) (s->slab_size - s->object_size) * s->objects);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) printf("Align : %7d Objects: %7d Tracing : %s Lpadd: %7ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) s->align, s->objs_per_slab, onoff(s->trace),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) ((page_size << s->order) - s->objs_per_slab * s->slab_size) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) s->slabs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) ops(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) show_tracking(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) slab_numa(s, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) slab_stats(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) static void slabcache(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) char size_str[20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) char dist_str[40];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) char flags[20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) char *p = flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) if (strcmp(s->name, "*") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) if (unreclaim_only && s->reclaim_account)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) if (actual_slabs == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) report(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) if (skip_zero && !show_empty && !s->slabs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) if (show_empty && s->slabs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (sort_loss == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) store_size(size_str, slab_size(s));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) store_size(size_str, slab_waste(s));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) snprintf(dist_str, 40, "%lu/%lu/%d", s->slabs - s->cpu_slabs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) s->partial, s->cpu_slabs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) if (!line++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) first_line();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) if (s->aliases)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) *p++ = '*';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) if (s->cache_dma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) *p++ = 'd';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) if (s->hwcache_align)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) *p++ = 'A';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) if (s->poison)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) *p++ = 'P';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) if (s->reclaim_account)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) *p++ = 'a';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) if (s->red_zone)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) *p++ = 'Z';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) if (s->sanity_checks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) *p++ = 'F';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) if (s->store_user)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) *p++ = 'U';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) if (s->trace)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) *p++ = 'T';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) *p = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) if (show_activity) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) unsigned long total_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) unsigned long total_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) total_alloc = s->alloc_fastpath + s->alloc_slowpath;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) total_free = s->free_fastpath + s->free_slowpath;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) printf("%-21s %8ld %10ld %10ld %3ld %3ld %5ld %1d %4ld %4ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) s->name, s->objects,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) total_alloc, total_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) total_alloc ? (s->alloc_fastpath * 100 / total_alloc) : 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) total_free ? (s->free_fastpath * 100 / total_free) : 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) s->order_fallback, s->order, s->cmpxchg_double_fail,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) s->cmpxchg_double_cpu_fail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) printf("%-21s %8ld %7d %15s %14s %4d %1d %3ld %3ld %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) s->name, s->objects, s->object_size, size_str, dist_str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) s->objs_per_slab, s->order,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) s->slabs ? (s->partial * 100) / s->slabs : 100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) s->slabs ? (s->objects * s->object_size * 100) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) (s->slabs * (page_size << s->order)) : 100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) * Analyze debug options. Return false if something is amiss.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) static int debug_opt_scan(char *opt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) if (!opt || !opt[0] || strcmp(opt, "-") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (strcasecmp(opt, "a") == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) sanity = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) poison = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) redzone = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) tracking = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) for ( ; *opt; opt++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) switch (*opt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) case 'F' : case 'f':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) if (sanity)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) sanity = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) case 'P' : case 'p':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) if (poison)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) poison = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) case 'Z' : case 'z':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) if (redzone)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) redzone = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) case 'U' : case 'u':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) if (tracking)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) tracking = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) case 'T' : case 't':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) if (tracing)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) tracing = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) static int slab_empty(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) if (s->objects > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) * We may still have slabs even if there are no objects. Shrinking will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) * remove them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) if (s->slabs != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) set_obj(s, "shrink", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) static void slab_debug(struct slabinfo *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) if (strcmp(s->name, "*") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) if (sanity && !s->sanity_checks) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) set_obj(s, "sanity_checks", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) if (!sanity && s->sanity_checks) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) if (slab_empty(s))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) set_obj(s, "sanity_checks", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) fprintf(stderr, "%s not empty cannot disable sanity checks\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) if (redzone && !s->red_zone) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) if (slab_empty(s))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) set_obj(s, "red_zone", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) fprintf(stderr, "%s not empty cannot enable redzoning\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) if (!redzone && s->red_zone) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) if (slab_empty(s))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) set_obj(s, "red_zone", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) fprintf(stderr, "%s not empty cannot disable redzoning\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) if (poison && !s->poison) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) if (slab_empty(s))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) set_obj(s, "poison", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) fprintf(stderr, "%s not empty cannot enable poisoning\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) if (!poison && s->poison) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) if (slab_empty(s))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) set_obj(s, "poison", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) fprintf(stderr, "%s not empty cannot disable poisoning\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) if (tracking && !s->store_user) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) if (slab_empty(s))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) set_obj(s, "store_user", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) fprintf(stderr, "%s not empty cannot enable tracking\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) if (!tracking && s->store_user) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) if (slab_empty(s))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) set_obj(s, "store_user", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) fprintf(stderr, "%s not empty cannot disable tracking\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) if (tracing && !s->trace) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) if (slabs == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) set_obj(s, "trace", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) fprintf(stderr, "%s can only enable trace for one slab at a time\n", s->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) if (!tracing && s->trace)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) set_obj(s, "trace", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) static void totals(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) struct slabinfo *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) int used_slabs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) char b1[20], b2[20], b3[20], b4[20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) unsigned long long max = 1ULL << 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) /* Object size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) unsigned long long min_objsize = max, max_objsize = 0, avg_objsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) /* Number of partial slabs in a slabcache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) unsigned long long min_partial = max, max_partial = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) avg_partial, total_partial = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) /* Number of slabs in a slab cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) unsigned long long min_slabs = max, max_slabs = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) avg_slabs, total_slabs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) /* Size of the whole slab */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) unsigned long long min_size = max, max_size = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) avg_size, total_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) /* Bytes used for object storage in a slab */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) unsigned long long min_used = max, max_used = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) avg_used, total_used = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) /* Waste: Bytes used for alignment and padding */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) unsigned long long min_waste = max, max_waste = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) avg_waste, total_waste = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) /* Number of objects in a slab */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) unsigned long long min_objects = max, max_objects = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) avg_objects, total_objects = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) /* Waste per object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) unsigned long long min_objwaste = max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) max_objwaste = 0, avg_objwaste,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) total_objwaste = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) /* Memory per object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) unsigned long long min_memobj = max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) max_memobj = 0, avg_memobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) total_objsize = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) /* Percentage of partial slabs per slab */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) unsigned long min_ppart = 100, max_ppart = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) avg_ppart, total_ppart = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) /* Number of objects in partial slabs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) unsigned long min_partobj = max, max_partobj = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) avg_partobj, total_partobj = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) /* Percentage of partial objects of all objects in a slab */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) unsigned long min_ppartobj = 100, max_ppartobj = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) avg_ppartobj, total_ppartobj = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) for (s = slabinfo; s < slabinfo + slabs; s++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) unsigned long long size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) unsigned long used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) unsigned long long wasted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) unsigned long long objwaste;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) unsigned long percentage_partial_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) unsigned long percentage_partial_objs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) if (!s->slabs || !s->objects)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) used_slabs++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) size = slab_size(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) used = s->objects * s->object_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) wasted = size - used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) objwaste = s->slab_size - s->object_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) percentage_partial_slabs = s->partial * 100 / s->slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) if (percentage_partial_slabs > 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) percentage_partial_slabs = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) percentage_partial_objs = s->objects_partial * 100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) / s->objects;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) if (percentage_partial_objs > 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) percentage_partial_objs = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) if (s->object_size < min_objsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) min_objsize = s->object_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) if (s->partial < min_partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) min_partial = s->partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) if (s->slabs < min_slabs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) min_slabs = s->slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) if (size < min_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) min_size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) if (wasted < min_waste)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) min_waste = wasted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) if (objwaste < min_objwaste)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) min_objwaste = objwaste;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) if (s->objects < min_objects)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) min_objects = s->objects;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) if (used < min_used)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) min_used = used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) if (s->objects_partial < min_partobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) min_partobj = s->objects_partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) if (percentage_partial_slabs < min_ppart)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) min_ppart = percentage_partial_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) if (percentage_partial_objs < min_ppartobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) min_ppartobj = percentage_partial_objs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) if (s->slab_size < min_memobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) min_memobj = s->slab_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) if (s->object_size > max_objsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) max_objsize = s->object_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) if (s->partial > max_partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) max_partial = s->partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) if (s->slabs > max_slabs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) max_slabs = s->slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) if (size > max_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) max_size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) if (wasted > max_waste)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) max_waste = wasted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) if (objwaste > max_objwaste)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) max_objwaste = objwaste;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) if (s->objects > max_objects)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) max_objects = s->objects;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) if (used > max_used)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) max_used = used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (s->objects_partial > max_partobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) max_partobj = s->objects_partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) if (percentage_partial_slabs > max_ppart)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) max_ppart = percentage_partial_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) if (percentage_partial_objs > max_ppartobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) max_ppartobj = percentage_partial_objs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) if (s->slab_size > max_memobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) max_memobj = s->slab_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) total_partial += s->partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) total_slabs += s->slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) total_size += size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) total_waste += wasted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) total_objects += s->objects;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) total_used += used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) total_partobj += s->objects_partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) total_ppart += percentage_partial_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) total_ppartobj += percentage_partial_objs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) total_objwaste += s->objects * objwaste;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) total_objsize += s->objects * s->slab_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) if (!total_objects) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) printf("No objects\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) if (!used_slabs) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) printf("No slabs\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) /* Per slab averages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) avg_partial = total_partial / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) avg_slabs = total_slabs / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) avg_size = total_size / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) avg_waste = total_waste / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) avg_objects = total_objects / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) avg_used = total_used / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) avg_partobj = total_partobj / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) avg_ppart = total_ppart / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) avg_ppartobj = total_ppartobj / used_slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) /* Per object object sizes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) avg_objsize = total_used / total_objects;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) avg_objwaste = total_objwaste / total_objects;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) avg_partobj = total_partobj * 100 / total_objects;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) avg_memobj = total_objsize / total_objects;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) printf("Slabcache Totals\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) printf("----------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) printf("Slabcaches : %15d Aliases : %11d->%-3d Active: %3d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) slabs, aliases, alias_targets, used_slabs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) store_size(b1, total_size);store_size(b2, total_waste);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) store_size(b3, total_waste * 100 / total_used);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) printf("Memory used: %15s # Loss : %15s MRatio:%6s%%\n", b1, b2, b3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) store_size(b1, total_objects);store_size(b2, total_partobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) store_size(b3, total_partobj * 100 / total_objects);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) printf("# Objects : %15s # PartObj: %15s ORatio:%6s%%\n", b1, b2, b3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) printf("Per Cache Average "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) "Min Max Total\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) printf("---------------------------------------"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) "-------------------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) store_size(b1, avg_objects);store_size(b2, min_objects);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) store_size(b3, max_objects);store_size(b4, total_objects);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) printf("#Objects %15s %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) store_size(b1, avg_slabs);store_size(b2, min_slabs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) store_size(b3, max_slabs);store_size(b4, total_slabs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) printf("#Slabs %15s %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) store_size(b1, avg_partial);store_size(b2, min_partial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) store_size(b3, max_partial);store_size(b4, total_partial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) printf("#PartSlab %15s %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) store_size(b1, avg_ppart);store_size(b2, min_ppart);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) store_size(b3, max_ppart);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) store_size(b4, total_partial * 100 / total_slabs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) printf("%%PartSlab%15s%% %15s%% %15s%% %15s%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) store_size(b1, avg_partobj);store_size(b2, min_partobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) store_size(b3, max_partobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) store_size(b4, total_partobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) printf("PartObjs %15s %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) store_size(b1, avg_ppartobj);store_size(b2, min_ppartobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) store_size(b3, max_ppartobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) store_size(b4, total_partobj * 100 / total_objects);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) printf("%% PartObj%15s%% %15s%% %15s%% %15s%%\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) store_size(b1, avg_size);store_size(b2, min_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) store_size(b3, max_size);store_size(b4, total_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) printf("Memory %15s %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) store_size(b1, avg_used);store_size(b2, min_used);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) store_size(b3, max_used);store_size(b4, total_used);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) printf("Used %15s %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) store_size(b1, avg_waste);store_size(b2, min_waste);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) store_size(b3, max_waste);store_size(b4, total_waste);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) printf("Loss %15s %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) b1, b2, b3, b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) printf("Per Object Average "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) "Min Max\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) printf("---------------------------------------"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) "--------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) store_size(b1, avg_memobj);store_size(b2, min_memobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) store_size(b3, max_memobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) printf("Memory %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) b1, b2, b3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) store_size(b1, avg_objsize);store_size(b2, min_objsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) store_size(b3, max_objsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) printf("User %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) b1, b2, b3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) store_size(b1, avg_objwaste);store_size(b2, min_objwaste);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) store_size(b3, max_objwaste);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) printf("Loss %15s %15s %15s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) b1, b2, b3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) static void sort_slabs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) struct slabinfo *s1,*s2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) for (s1 = slabinfo; s1 < slabinfo + slabs; s1++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) for (s2 = s1 + 1; s2 < slabinfo + slabs; s2++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) if (sort_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) result = slab_size(s1) < slab_size(s2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) else if (sort_active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) result = slab_activity(s1) < slab_activity(s2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) else if (sort_loss)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) result = slab_waste(s1) < slab_waste(s2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) else if (sort_partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) result = s1->partial < s2->partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) result = strcasecmp(s1->name, s2->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) if (show_inverted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) result = -result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) if (result > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) struct slabinfo t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) memcpy(&t, s1, sizeof(struct slabinfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) memcpy(s1, s2, sizeof(struct slabinfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) memcpy(s2, &t, sizeof(struct slabinfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) static void sort_aliases(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) struct aliasinfo *a1,*a2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) for (a1 = aliasinfo; a1 < aliasinfo + aliases; a1++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) for (a2 = a1 + 1; a2 < aliasinfo + aliases; a2++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) char *n1, *n2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) n1 = a1->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) n2 = a2->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) if (show_alias && !show_inverted) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) n1 = a1->ref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) n2 = a2->ref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) if (strcasecmp(n1, n2) > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) struct aliasinfo t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) memcpy(&t, a1, sizeof(struct aliasinfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) memcpy(a1, a2, sizeof(struct aliasinfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) memcpy(a2, &t, sizeof(struct aliasinfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) static void link_slabs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) struct aliasinfo *a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) struct slabinfo *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) for (a = aliasinfo; a < aliasinfo + aliases; a++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) for (s = slabinfo; s < slabinfo + slabs; s++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) if (strcmp(a->ref, s->name) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) a->slab = s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) s->refs++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) if (s == slabinfo + slabs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) fatal("Unresolved alias %s\n", a->ref);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) static void alias(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) struct aliasinfo *a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) char *active = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) sort_aliases();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) link_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) for(a = aliasinfo; a < aliasinfo + aliases; a++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) if (!show_single_ref && a->slab->refs == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) if (!show_inverted) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) if (active) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) if (strcmp(a->slab->name, active) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) printf(" %s", a->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) printf("\n%-12s <- %s", a->slab->name, a->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) active = a->slab->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) printf("%-15s -> %s\n", a->name, a->slab->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) if (active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) static void rename_slabs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) struct slabinfo *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) struct aliasinfo *a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) for (s = slabinfo; s < slabinfo + slabs; s++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) if (*s->name != ':')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) if (s->refs > 1 && !show_first_alias)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) a = find_one_alias(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) if (a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) s->name = a->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) s->name = "*";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) actual_slabs--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) static int slab_mismatch(char *slab)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) return regexec(&pattern, slab, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) static void read_slab_dir(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) DIR *dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) struct dirent *de;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) struct slabinfo *slab = slabinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) struct aliasinfo *alias = aliasinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) char *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) int count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) if (chdir("/sys/kernel/slab") && chdir("/sys/slab"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) fatal("SYSFS support for SLUB not active\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) dir = opendir(".");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) while ((de = readdir(dir))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) if (de->d_name[0] == '.' ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) (de->d_name[0] != ':' && slab_mismatch(de->d_name)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) switch (de->d_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) case DT_LNK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) alias->name = strdup(de->d_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) count = readlink(de->d_name, buffer, sizeof(buffer)-1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) if (count < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) fatal("Cannot read symlink %s\n", de->d_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) buffer[count] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) p = buffer + count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) while (p > buffer && p[-1] != '/')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) p--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) alias->ref = strdup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) alias++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) case DT_DIR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) if (chdir(de->d_name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) fatal("Unable to access slab %s\n", slab->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) slab->name = strdup(de->d_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) slab->alias = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) slab->refs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) slab->aliases = get_obj("aliases");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) slab->align = get_obj("align");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) slab->cache_dma = get_obj("cache_dma");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) slab->cpu_slabs = get_obj("cpu_slabs");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) slab->destroy_by_rcu = get_obj("destroy_by_rcu");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) slab->hwcache_align = get_obj("hwcache_align");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) slab->object_size = get_obj("object_size");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) slab->objects = get_obj("objects");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) slab->objects_partial = get_obj("objects_partial");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) slab->objects_total = get_obj("objects_total");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) slab->objs_per_slab = get_obj("objs_per_slab");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) slab->order = get_obj("order");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) slab->partial = get_obj("partial");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) slab->partial = get_obj_and_str("partial", &t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) decode_numa_list(slab->numa_partial, t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) free(t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) slab->poison = get_obj("poison");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) slab->reclaim_account = get_obj("reclaim_account");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) slab->red_zone = get_obj("red_zone");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) slab->sanity_checks = get_obj("sanity_checks");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) slab->slab_size = get_obj("slab_size");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) slab->slabs = get_obj_and_str("slabs", &t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) decode_numa_list(slab->numa, t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) free(t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) slab->store_user = get_obj("store_user");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) slab->trace = get_obj("trace");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) slab->alloc_fastpath = get_obj("alloc_fastpath");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) slab->alloc_slowpath = get_obj("alloc_slowpath");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) slab->free_fastpath = get_obj("free_fastpath");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) slab->free_slowpath = get_obj("free_slowpath");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) slab->free_frozen= get_obj("free_frozen");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) slab->free_add_partial = get_obj("free_add_partial");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) slab->free_remove_partial = get_obj("free_remove_partial");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) slab->alloc_from_partial = get_obj("alloc_from_partial");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) slab->alloc_slab = get_obj("alloc_slab");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) slab->alloc_refill = get_obj("alloc_refill");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) slab->free_slab = get_obj("free_slab");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) slab->cpuslab_flush = get_obj("cpuslab_flush");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) slab->deactivate_full = get_obj("deactivate_full");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) slab->deactivate_empty = get_obj("deactivate_empty");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) slab->deactivate_to_head = get_obj("deactivate_to_head");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) slab->deactivate_to_tail = get_obj("deactivate_to_tail");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) slab->deactivate_remote_frees = get_obj("deactivate_remote_frees");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) slab->order_fallback = get_obj("order_fallback");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) slab->cmpxchg_double_cpu_fail = get_obj("cmpxchg_double_cpu_fail");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) slab->cmpxchg_double_fail = get_obj("cmpxchg_double_fail");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) slab->cpu_partial_alloc = get_obj("cpu_partial_alloc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) slab->cpu_partial_free = get_obj("cpu_partial_free");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) slab->alloc_node_mismatch = get_obj("alloc_node_mismatch");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) slab->deactivate_bypass = get_obj("deactivate_bypass");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) chdir("..");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) if (slab->name[0] == ':')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) alias_targets++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) slab++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) default :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) fatal("Unknown file type %lx\n", de->d_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) closedir(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) slabs = slab - slabinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) actual_slabs = slabs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) aliases = alias - aliasinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) if (slabs > MAX_SLABS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) fatal("Too many slabs\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) if (aliases > MAX_ALIASES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) fatal("Too many aliases\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) static void output_slabs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) struct slabinfo *slab;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) int lines = output_lines;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) for (slab = slabinfo; (slab < slabinfo + slabs) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) lines != 0; slab++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) if (slab->alias)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) if (lines != -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) lines--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) if (show_numa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) slab_numa(slab, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) else if (show_track)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) show_tracking(slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) else if (validate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) slab_validate(slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) else if (shrink)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) slab_shrink(slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) else if (set_debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) slab_debug(slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) else if (show_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) ops(slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) else if (show_slab)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) slabcache(slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) else if (show_report)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) report(slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) static void _xtotals(char *heading, char *underline,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) int loss, int size, int partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) printf("%s%s", heading, underline);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) line = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) sort_loss = loss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) sort_size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) sort_partial = partial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) sort_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) output_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) static void xtotals(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) char *heading, *underline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) totals();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) link_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) rename_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) heading = "\nSlabs sorted by size\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) underline = "--------------------\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) _xtotals(heading, underline, 0, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) heading = "\nSlabs sorted by loss\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) underline = "--------------------\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) _xtotals(heading, underline, 1, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) heading = "\nSlabs sorted by number of partial slabs\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) underline = "---------------------------------------\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) _xtotals(heading, underline, 0, 0, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) struct option opts[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) { "aliases", no_argument, NULL, 'a' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) { "activity", no_argument, NULL, 'A' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) { "Bytes", no_argument, NULL, 'B'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) { "debug", optional_argument, NULL, 'd' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) { "display-activity", no_argument, NULL, 'D' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) { "empty", no_argument, NULL, 'e' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) { "first-alias", no_argument, NULL, 'f' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) { "help", no_argument, NULL, 'h' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) { "inverted", no_argument, NULL, 'i'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) { "slabs", no_argument, NULL, 'l' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) { "Loss", no_argument, NULL, 'L'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) { "numa", no_argument, NULL, 'n' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) { "lines", required_argument, NULL, 'N'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) { "ops", no_argument, NULL, 'o' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) { "partial", no_argument, NULL, 'p'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) { "report", no_argument, NULL, 'r' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) { "shrink", no_argument, NULL, 's' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) { "Size", no_argument, NULL, 'S'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) { "tracking", no_argument, NULL, 't'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) { "Totals", no_argument, NULL, 'T'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) { "Unreclaim", no_argument, NULL, 'U'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) { "validate", no_argument, NULL, 'v' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) { "Xtotals", no_argument, NULL, 'X'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) { "zero", no_argument, NULL, 'z' },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) { "1ref", no_argument, NULL, '1'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) { NULL, 0, NULL, 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) int main(int argc, char *argv[])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) int c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) char *pattern_source;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) page_size = getpagesize();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) while ((c = getopt_long(argc, argv, "aABd::DefhilLnN:oPrsStTUvXz1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) opts, NULL)) != -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) switch (c) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) case 'a':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) show_alias = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) case 'A':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) sort_active = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) case 'B':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) show_bytes = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) case 'd':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) set_debug = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) if (!debug_opt_scan(optarg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) fatal("Invalid debug option '%s'\n", optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) case 'D':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) show_activity = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) case 'e':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) show_empty = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) case 'f':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) show_first_alias = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) case 'h':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) case 'i':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) show_inverted = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) case 'l':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) show_slab = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) case 'L':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) sort_loss = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) case 'n':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) show_numa = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) case 'N':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) if (optarg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) output_lines = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) if (output_lines < 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) output_lines = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) case 'o':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) show_ops = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) case 'r':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) show_report = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) case 'P':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) sort_partial = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) case 's':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) shrink = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) case 'S':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) sort_size = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) case 't':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) show_track = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) case 'T':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) show_totals = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) case 'U':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) unreclaim_only = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) case 'v':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) validate = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) case 'X':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) if (output_lines == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) output_lines = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) extended_totals = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) show_bytes = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) case 'z':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) skip_zero = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) case '1':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) show_single_ref = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) fatal("%s: Invalid option '%c'\n", argv[0], optopt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) if (!show_slab && !show_alias && !show_track && !show_report
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) && !validate && !shrink && !set_debug && !show_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) show_slab = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) if (argc > optind)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) pattern_source = argv[optind];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) pattern_source = ".*";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) err = regcomp(&pattern, pattern_source, REG_ICASE|REG_NOSUB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) fatal("%s: Invalid pattern '%s' code %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) argv[0], pattern_source, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) read_slab_dir();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) if (show_alias) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) alias();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) } else if (extended_totals) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) xtotals();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) } else if (show_totals) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) totals();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) link_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) rename_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) sort_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) output_slabs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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