Orange Pi5 kernel

^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)  * Compare and figure out the top N hottest streams
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (c) 2020, Intel Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Author: Jin Yao
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/zalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include "debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include "hist.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include "sort.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include "stream.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include "evlist.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) static void evsel_streams__delete(struct evsel_streams *es, int nr_evsel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	for (int i = 0; i < nr_evsel; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 		zfree(&es[i].streams);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	free(es);
^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) void evlist_streams__delete(struct evlist_streams *els)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	evsel_streams__delete(els->ev_streams, els->nr_evsel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	free(els);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static struct evlist_streams *evlist_streams__new(int nr_evsel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 						  int nr_streams_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	struct evlist_streams *els;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct evsel_streams *es;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	els = zalloc(sizeof(*els));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	if (!els)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	es = calloc(nr_evsel, sizeof(struct evsel_streams));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	if (!es) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		free(els);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 		return NULL;
^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) 	for (int i = 0; i < nr_evsel; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		struct evsel_streams *s = &es[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		s->streams = calloc(nr_streams_max, sizeof(struct stream));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		if (!s->streams)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		s->nr_streams_max = nr_streams_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		s->evsel_idx = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	els->ev_streams = es;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	els->nr_evsel = nr_evsel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	return els;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	evsel_streams__delete(es, nr_evsel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) }
^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)  * The cnodes with high hit number are hot callchains.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) static void evsel_streams__set_hot_cnode(struct evsel_streams *es,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 					 struct callchain_node *cnode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	int i, idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	u64 hit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	if (es->nr_streams < es->nr_streams_max) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		i = es->nr_streams;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		es->streams[i].cnode = cnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		es->nr_streams++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	 * Considering a few number of hot streams, only use simple
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	 * way to find the cnode with smallest hit number and replace.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	hit = (es->streams[0].cnode)->hit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	for (i = 1; i < es->nr_streams; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		if ((es->streams[i].cnode)->hit < hit) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 			hit = (es->streams[i].cnode)->hit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 			idx = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		}
^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) 	if (cnode->hit > hit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		es->streams[idx].cnode = cnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) static void update_hot_callchain(struct hist_entry *he,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 				 struct evsel_streams *es)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	struct rb_root *root = &he->sorted_chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	struct rb_node *rb_node = rb_first(root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	struct callchain_node *cnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	while (rb_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		cnode = rb_entry(rb_node, struct callchain_node, rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		evsel_streams__set_hot_cnode(es, cnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		rb_node = rb_next(rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static void init_hot_callchain(struct hists *hists, struct evsel_streams *es)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	struct rb_node *next = rb_first_cached(&hists->entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	while (next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		struct hist_entry *he;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		he = rb_entry(next, struct hist_entry, rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		update_hot_callchain(he, es);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		next = rb_next(&he->rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	es->streams_hits = callchain_total_hits(hists);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static int evlist__init_callchain_streams(struct evlist *evlist,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 					  struct evlist_streams *els)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	struct evsel_streams *es = els->ev_streams;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	struct evsel *pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	BUG_ON(els->nr_evsel < evlist->core.nr_entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	evlist__for_each_entry(evlist, pos) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		struct hists *hists = evsel__hists(pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		hists__output_resort(hists, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		init_hot_callchain(hists, &es[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		es[i].evsel_idx = pos->idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	return 0;
^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) struct evlist_streams *evlist__create_streams(struct evlist *evlist,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 					      int nr_streams_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	int nr_evsel = evlist->core.nr_entries, ret = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	struct evlist_streams *els = evlist_streams__new(nr_evsel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 							 nr_streams_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	if (!els)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	ret = evlist__init_callchain_streams(evlist, els);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		evlist_streams__delete(els);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	return els;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct evsel_streams *evsel_streams__entry(struct evlist_streams *els,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 					   int evsel_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	struct evsel_streams *es = els->ev_streams;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	for (int i = 0; i < els->nr_evsel; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		if (es[i].evsel_idx == evsel_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 			return &es[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static struct stream *stream__callchain_match(struct stream *base_stream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 					      struct evsel_streams *es_pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	for (int i = 0; i < es_pair->nr_streams; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		struct stream *pair_stream = &es_pair->streams[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		if (callchain_cnode_matched(base_stream->cnode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 					    pair_stream->cnode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			return pair_stream;
^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) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static struct stream *stream__match(struct stream *base_stream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 				    struct evsel_streams *es_pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	return stream__callchain_match(base_stream, es_pair);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static void stream__link(struct stream *base_stream, struct stream *pair_stream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	base_stream->pair_cnode = pair_stream->cnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	pair_stream->pair_cnode = base_stream->cnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) void evsel_streams__match(struct evsel_streams *es_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 			  struct evsel_streams *es_pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	for (int i = 0; i < es_base->nr_streams; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		struct stream *base_stream = &es_base->streams[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		struct stream *pair_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		pair_stream = stream__match(base_stream, es_pair);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		if (pair_stream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 			stream__link(base_stream, pair_stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) static void print_callchain_pair(struct stream *base_stream, int idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 				 struct evsel_streams *es_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 				 struct evsel_streams *es_pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	struct callchain_node *base_cnode = base_stream->cnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	struct callchain_node *pair_cnode = base_stream->pair_cnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	struct callchain_list *base_chain, *pair_chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	char buf1[512], buf2[512], cbuf1[256], cbuf2[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	char *s1, *s2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	double pct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	printf("\nhot chain pair %d:\n", idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	pct = (double)base_cnode->hit / (double)es_base->streams_hits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	scnprintf(buf1, sizeof(buf1), "cycles: %ld, hits: %.2f%%",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		  callchain_avg_cycles(base_cnode), pct * 100.0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	pct = (double)pair_cnode->hit / (double)es_pair->streams_hits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	scnprintf(buf2, sizeof(buf2), "cycles: %ld, hits: %.2f%%",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		  callchain_avg_cycles(pair_cnode), pct * 100.0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	printf("%35s\t%35s\n", buf1, buf2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	printf("%35s\t%35s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	       "---------------------------",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	       "--------------------------");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	pair_chain = list_first_entry(&pair_cnode->val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 				      struct callchain_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 				      list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	list_for_each_entry(base_chain, &base_cnode->val, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		if (&pair_chain->list == &pair_cnode->val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		s1 = callchain_list__sym_name(base_chain, cbuf1, sizeof(cbuf1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 					      false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		s2 = callchain_list__sym_name(pair_chain, cbuf2, sizeof(cbuf2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 					      false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		scnprintf(buf1, sizeof(buf1), "%35s\t%35s", s1, s2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		printf("%s\n", buf1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 		pair_chain = list_next_entry(pair_chain, list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static void print_stream_callchain(struct stream *stream, int idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 				   struct evsel_streams *es, bool pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	struct callchain_node *cnode = stream->cnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	struct callchain_list *chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	char buf[512], cbuf[256], *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	double pct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	printf("\nhot chain %d:\n", idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	pct = (double)cnode->hit / (double)es->streams_hits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	scnprintf(buf, sizeof(buf), "cycles: %ld, hits: %.2f%%",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		  callchain_avg_cycles(cnode), pct * 100.0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	if (pair) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		printf("%35s\t%35s\n", "", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		printf("%35s\t%35s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 		       "", "--------------------------");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		printf("%35s\n", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		printf("%35s\n", "--------------------------");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	list_for_each_entry(chain, &cnode->val, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		s = callchain_list__sym_name(chain, cbuf, sizeof(cbuf), false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		if (pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 			scnprintf(buf, sizeof(buf), "%35s\t%35s", "", s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 			scnprintf(buf, sizeof(buf), "%35s", s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 		printf("%s\n", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) static void callchain_streams_report(struct evsel_streams *es_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 				     struct evsel_streams *es_pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	struct stream *base_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	int i, idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	printf("[ Matched hot streams ]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	for (i = 0; i < es_base->nr_streams; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		base_stream = &es_base->streams[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		if (base_stream->pair_cnode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 			print_callchain_pair(base_stream, ++idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 					     es_base, es_pair);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	printf("\n[ Hot streams in old perf data only ]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	for (i = 0; i < es_base->nr_streams; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		base_stream = &es_base->streams[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 		if (!base_stream->pair_cnode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 			print_stream_callchain(base_stream, ++idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 					       es_base, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	printf("\n[ Hot streams in new perf data only ]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	for (i = 0; i < es_pair->nr_streams; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 		base_stream = &es_pair->streams[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		if (!base_stream->pair_cnode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 			print_stream_callchain(base_stream, ++idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 					       es_pair, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) void evsel_streams__report(struct evsel_streams *es_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 			   struct evsel_streams *es_pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	return callchain_streams_report(es_base, es_pair);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }