^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) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include "util/debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include "util/dso.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include "util/event.h" // struct perf_sample
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include "util/map.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include "util/symbol.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "util/sort.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "util/evsel.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "util/machine.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "util/thread.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "tests/hists_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/perf_event.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) u32 pid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) const char *comm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) } fake_threads[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) { FAKE_PID_PERF1, "perf" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) { FAKE_PID_PERF2, "perf" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) { FAKE_PID_BASH, "bash" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) u32 pid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) u64 start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) const char *filename;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) } fake_mmap_info[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) { FAKE_PID_PERF1, FAKE_MAP_PERF, "perf" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) { FAKE_PID_PERF1, FAKE_MAP_LIBC, "libc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) { FAKE_PID_PERF1, FAKE_MAP_KERNEL, "[kernel]" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) { FAKE_PID_PERF2, FAKE_MAP_PERF, "perf" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) { FAKE_PID_PERF2, FAKE_MAP_LIBC, "libc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) { FAKE_PID_PERF2, FAKE_MAP_KERNEL, "[kernel]" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) { FAKE_PID_BASH, FAKE_MAP_BASH, "bash" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) { FAKE_PID_BASH, FAKE_MAP_LIBC, "libc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) { FAKE_PID_BASH, FAKE_MAP_KERNEL, "[kernel]" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct fake_sym {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) u64 start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) u64 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static struct fake_sym perf_syms[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "run_command" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "cmd_record" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static struct fake_sym bash_syms[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "xmalloc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "xfree" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static struct fake_sym libc_syms[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) { 700, 100, "malloc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) { 800, 100, "free" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) { 900, 100, "realloc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "malloc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "free" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "realloc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static struct fake_sym kernel_syms[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "schedule" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "page_fault" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "sys_perf_event_open" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) const char *dso_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct fake_sym *syms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) size_t nr_syms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) } fake_symbols[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) { "perf", perf_syms, ARRAY_SIZE(perf_syms) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) { "bash", bash_syms, ARRAY_SIZE(bash_syms) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) { "libc", libc_syms, ARRAY_SIZE(libc_syms) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) { "[kernel]", kernel_syms, ARRAY_SIZE(kernel_syms) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct machine *setup_fake_machine(struct machines *machines)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct machine *machine = machines__find(machines, HOST_KERNEL_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) size_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (machine == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) pr_debug("Not enough memory for machine setup\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) for (i = 0; i < ARRAY_SIZE(fake_threads); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct thread *thread;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) thread = machine__findnew_thread(machine, fake_threads[i].pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) fake_threads[i].pid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (thread == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) thread__set_comm(thread, fake_threads[i].comm, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) thread__put(thread);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) for (i = 0; i < ARRAY_SIZE(fake_mmap_info); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct perf_sample sample = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .cpumode = PERF_RECORD_MISC_USER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) union perf_event fake_mmap_event = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .mmap = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .pid = fake_mmap_info[i].pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .tid = fake_mmap_info[i].pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .start = fake_mmap_info[i].start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .len = FAKE_MAP_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .pgoff = 0ULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) strcpy(fake_mmap_event.mmap.filename,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) fake_mmap_info[i].filename);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) machine__process_mmap_event(machine, &fake_mmap_event, &sample);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) for (i = 0; i < ARRAY_SIZE(fake_symbols); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) size_t k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct dso *dso;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) dso = machine__findnew_dso(machine, fake_symbols[i].dso_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (dso == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) /* emulate dso__load() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) dso__set_loaded(dso);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) for (k = 0; k < fake_symbols[i].nr_syms; k++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct fake_sym *fsym = &fake_symbols[i].syms[k];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) sym = symbol__new(fsym->start, fsym->length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) STB_GLOBAL, STT_FUNC, fsym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (sym == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) dso__put(dso);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) symbols__insert(&dso->symbols, sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) dso__put(dso);
^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) return machine;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) pr_debug("Not enough memory for machine setup\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) machine__delete_threads(machine);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) void print_hists_in(struct hists *hists)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct rb_root_cached *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct rb_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (hists__has(hists, need_collapse))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) root = &hists->entries_collapsed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) root = hists->entries_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) pr_info("----- %s --------\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) node = rb_first_cached(root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) while (node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct hist_entry *he;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) he = rb_entry(node, struct hist_entry, rb_node_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (!he->filtered) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) pr_info("%2d: entry: %-8s [%-8s] %20s: period = %"PRIu64"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) i, thread__comm_str(he->thread),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) he->ms.map->dso->short_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) he->ms.sym->name, he->stat.period);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) node = rb_next(node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) void print_hists_out(struct hists *hists)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) struct rb_root_cached *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) struct rb_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) root = &hists->entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) pr_info("----- %s --------\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) node = rb_first_cached(root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) while (node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct hist_entry *he;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) he = rb_entry(node, struct hist_entry, rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (!he->filtered) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) pr_info("%2d: entry: %8s:%5d [%-8s] %20s: period = %"PRIu64"/%"PRIu64"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) i, thread__comm_str(he->thread), he->thread->tid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) he->ms.map->dso->short_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) he->ms.sym->name, he->stat.period,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) he->stat_acc ? he->stat_acc->period : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) node = rb_next(node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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