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-rw-r--r--tools/perf/util/hist.c250
1 files changed, 136 insertions, 114 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index fa359180ebf8..0f30f843c566 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -9,6 +9,7 @@
#include "map_symbol.h"
#include "branch.h"
#include "mem-events.h"
+#include "mem-info.h"
#include "session.h"
#include "namespaces.h"
#include "cgroup.h"
@@ -31,6 +32,9 @@
#include <linux/time64.h>
#include <linux/zalloc.h>
+static int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
+static int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
+
static bool hists__filter_entry_by_dso(struct hists *hists,
struct hist_entry *he);
static bool hists__filter_entry_by_thread(struct hists *hists,
@@ -153,8 +157,8 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
}
if (h->mem_info) {
- if (h->mem_info->daddr.ms.sym) {
- symlen = (int)h->mem_info->daddr.ms.sym->namelen + 4
+ if (mem_info__daddr(h->mem_info)->ms.sym) {
+ symlen = (int)mem_info__daddr(h->mem_info)->ms.sym->namelen + 4
+ unresolved_col_width + 2;
hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL,
symlen);
@@ -168,8 +172,8 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
symlen);
}
- if (h->mem_info->iaddr.ms.sym) {
- symlen = (int)h->mem_info->iaddr.ms.sym->namelen + 4
+ if (mem_info__iaddr(h->mem_info)->ms.sym) {
+ symlen = (int)mem_info__iaddr(h->mem_info)->ms.sym->namelen + 4
+ unresolved_col_width + 2;
hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL,
symlen);
@@ -179,8 +183,8 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
symlen);
}
- if (h->mem_info->daddr.ms.map) {
- symlen = dso__name_len(map__dso(h->mem_info->daddr.ms.map));
+ if (mem_info__daddr(h->mem_info)->ms.map) {
+ symlen = dso__name_len(map__dso(mem_info__daddr(h->mem_info)->ms.map));
hists__new_col_len(hists, HISTC_MEM_DADDR_DSO,
symlen);
} else {
@@ -217,6 +221,9 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
hists__new_col_len(hists, HISTC_LOCAL_P_STAGE_CYC, 13);
hists__new_col_len(hists, HISTC_GLOBAL_P_STAGE_CYC, 13);
hists__new_col_len(hists, HISTC_ADDR, BITS_PER_LONG / 4 + 2);
+ hists__new_col_len(hists, HISTC_CALLCHAIN_BRANCH_PREDICTED, 9);
+ hists__new_col_len(hists, HISTC_CALLCHAIN_BRANCH_ABORT, 5);
+ hists__new_col_len(hists, HISTC_CALLCHAIN_BRANCH_CYCLES, 6);
if (symbol_conf.nanosecs)
hists__new_col_len(hists, HISTC_TIME, 16);
@@ -308,6 +315,9 @@ static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src)
dest->period_us += src->period_us;
dest->period_guest_sys += src->period_guest_sys;
dest->period_guest_us += src->period_guest_us;
+ dest->weight1 += src->weight1;
+ dest->weight2 += src->weight2;
+ dest->weight3 += src->weight3;
dest->nr_events += src->nr_events;
}
@@ -315,7 +325,9 @@ static void he_stat__decay(struct he_stat *he_stat)
{
he_stat->period = (he_stat->period * 7) / 8;
he_stat->nr_events = (he_stat->nr_events * 7) / 8;
- /* XXX need decay for weight too? */
+ he_stat->weight1 = (he_stat->weight1 * 7) / 8;
+ he_stat->weight2 = (he_stat->weight2 * 7) / 8;
+ he_stat->weight3 = (he_stat->weight3 * 7) / 8;
}
static void hists__delete_entry(struct hists *hists, struct hist_entry *he);
@@ -466,13 +478,16 @@ static int hist_entry__init(struct hist_entry *he,
memcpy(he->branch_info, template->branch_info,
sizeof(*he->branch_info));
+ he->branch_info->from.ms.maps = maps__get(he->branch_info->from.ms.maps);
he->branch_info->from.ms.map = map__get(he->branch_info->from.ms.map);
+ he->branch_info->to.ms.maps = maps__get(he->branch_info->to.ms.maps);
he->branch_info->to.ms.map = map__get(he->branch_info->to.ms.map);
}
if (he->mem_info) {
- he->mem_info->iaddr.ms.map = map__get(he->mem_info->iaddr.ms.map);
- he->mem_info->daddr.ms.map = map__get(he->mem_info->daddr.ms.map);
+ he->mem_info = mem_info__clone(template->mem_info);
+ if (he->mem_info == NULL)
+ goto err_infos;
}
if (hist_entry__has_callchains(he) && symbol_conf.use_callchain)
@@ -520,8 +535,8 @@ err_infos:
zfree(&he->branch_info);
}
if (he->mem_info) {
- map_symbol__exit(&he->mem_info->iaddr.ms);
- map_symbol__exit(&he->mem_info->daddr.ms);
+ map_symbol__exit(&mem_info__iaddr(he->mem_info)->ms);
+ map_symbol__exit(&mem_info__daddr(he->mem_info)->ms);
}
err:
map_symbol__exit(&he->ms);
@@ -566,7 +581,6 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template,
he = NULL;
}
}
-
return he;
}
@@ -614,19 +628,13 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists,
cmp = hist_entry__cmp(he, entry);
if (!cmp) {
if (sample_self) {
- he_stat__add_period(&he->stat, period);
+ he_stat__add_stat(&he->stat, &entry->stat);
hist_entry__add_callchain_period(he, period);
}
if (symbol_conf.cumulate_callchain)
he_stat__add_period(he->stat_acc, period);
- /*
- * This mem info was allocated from sample__resolve_mem
- * and will not be used anymore.
- */
- mem_info__zput(entry->mem_info);
-
- block_info__zput(entry->block_info);
+ block_info__delete(entry->block_info);
kvm_info__zput(entry->kvm_info);
@@ -636,7 +644,12 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists,
* mis-adjust symbol addresses when computing
* the history counter to increment.
*/
- if (he->ms.map != entry->ms.map) {
+ if (hists__has(hists, sym) && he->ms.map != entry->ms.map) {
+ if (he->ms.sym) {
+ u64 addr = he->ms.sym->start;
+ he->ms.sym = map__find_symbol(entry->ms.map, addr);
+ }
+
map__put(he->ms.map);
he->ms.map = map__get(entry->ms.map);
}
@@ -731,6 +744,9 @@ __hists__add_entry(struct hists *hists,
.stat = {
.nr_events = 1,
.period = sample->period,
+ .weight1 = sample->weight,
+ .weight2 = sample->ins_lat,
+ .weight3 = sample->p_stage_cyc,
},
.parent = sym_parent,
.filtered = symbol__parent_filter(sym_parent) | al->filtered,
@@ -825,7 +841,7 @@ iter_prepare_mem_entry(struct hist_entry_iter *iter, struct addr_location *al)
if (mi == NULL)
return -ENOMEM;
- iter->priv = mi;
+ iter->mi = mi;
return 0;
}
@@ -833,7 +849,7 @@ static int
iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al)
{
u64 cost;
- struct mem_info *mi = iter->priv;
+ struct mem_info *mi = iter->mi;
struct hists *hists = evsel__hists(iter->evsel);
struct perf_sample *sample = iter->sample;
struct hist_entry *he;
@@ -880,12 +896,7 @@ iter_finish_mem_entry(struct hist_entry_iter *iter,
err = hist_entry__append_callchain(he, iter->sample);
out:
- /*
- * We don't need to free iter->priv (mem_info) here since the mem info
- * was either already freed in hists__findnew_entry() or passed to a
- * new hist entry by hist_entry__new().
- */
- iter->priv = NULL;
+ mem_info__zput(iter->mi);
iter->he = NULL;
return err;
@@ -904,7 +915,7 @@ iter_prepare_branch_entry(struct hist_entry_iter *iter, struct addr_location *al
iter->curr = 0;
iter->total = sample->branch_stack->nr;
- iter->priv = bi;
+ iter->bi = bi;
return 0;
}
@@ -918,7 +929,7 @@ iter_add_single_branch_entry(struct hist_entry_iter *iter __maybe_unused,
static int
iter_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al)
{
- struct branch_info *bi = iter->priv;
+ struct branch_info *bi = iter->bi;
int i = iter->curr;
if (bi == NULL)
@@ -947,7 +958,7 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a
int i = iter->curr;
int err = 0;
- bi = iter->priv;
+ bi = iter->bi;
if (iter->hide_unresolved && !(bi[i].from.ms.sym && bi[i].to.ms.sym))
goto out;
@@ -972,11 +983,22 @@ out:
return err;
}
+static void branch_info__exit(struct branch_info *bi)
+{
+ map_symbol__exit(&bi->from.ms);
+ map_symbol__exit(&bi->to.ms);
+ zfree_srcline(&bi->srcline_from);
+ zfree_srcline(&bi->srcline_to);
+}
+
static int
iter_finish_branch_entry(struct hist_entry_iter *iter,
struct addr_location *al __maybe_unused)
{
- zfree(&iter->priv);
+ for (int i = 0; i < iter->total; i++)
+ branch_info__exit(&iter->bi[i]);
+
+ zfree(&iter->bi);
iter->he = NULL;
return iter->curr >= iter->total ? 0 : -1;
@@ -1044,7 +1066,7 @@ iter_prepare_cumulative_entry(struct hist_entry_iter *iter,
if (he_cache == NULL)
return -ENOMEM;
- iter->priv = he_cache;
+ iter->he_cache = he_cache;
iter->curr = 0;
return 0;
@@ -1057,7 +1079,7 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter,
struct evsel *evsel = iter->evsel;
struct hists *hists = evsel__hists(evsel);
struct perf_sample *sample = iter->sample;
- struct hist_entry **he_cache = iter->priv;
+ struct hist_entry **he_cache = iter->he_cache;
struct hist_entry *he;
int err = 0;
@@ -1115,7 +1137,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
{
struct evsel *evsel = iter->evsel;
struct perf_sample *sample = iter->sample;
- struct hist_entry **he_cache = iter->priv;
+ struct hist_entry **he_cache = iter->he_cache;
struct hist_entry *he;
struct hist_entry he_tmp = {
.hists = evsel__hists(evsel),
@@ -1181,7 +1203,9 @@ static int
iter_finish_cumulative_entry(struct hist_entry_iter *iter,
struct addr_location *al __maybe_unused)
{
- zfree(&iter->priv);
+ mem_info__zput(iter->mi);
+ zfree(&iter->bi);
+ zfree(&iter->he_cache);
iter->he = NULL;
return 0;
@@ -1271,19 +1295,35 @@ out:
return err;
}
-int64_t
-hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
+static int64_t
+hist_entry__cmp_impl(struct perf_hpp_list *hpp_list, struct hist_entry *left,
+ struct hist_entry *right, unsigned long fn_offset,
+ bool ignore_dynamic, bool ignore_skipped)
{
struct hists *hists = left->hists;
struct perf_hpp_fmt *fmt;
- int64_t cmp = 0;
+ perf_hpp_fmt_cmp_t *fn;
+ int64_t cmp;
- hists__for_each_sort_list(hists, fmt) {
- if (perf_hpp__is_dynamic_entry(fmt) &&
+ /*
+ * Never collapse filtered and non-filtered entries.
+ * Note this is not the same as having an extra (invisible) fmt
+ * that corresponds to the filtered status.
+ */
+ cmp = (int64_t)!!left->filtered - (int64_t)!!right->filtered;
+ if (cmp)
+ return cmp;
+
+ perf_hpp_list__for_each_sort_list(hpp_list, fmt) {
+ if (ignore_dynamic && perf_hpp__is_dynamic_entry(fmt) &&
!perf_hpp__defined_dynamic_entry(fmt, hists))
continue;
- cmp = fmt->cmp(fmt, left, right);
+ if (ignore_skipped && perf_hpp__should_skip(fmt, hists))
+ continue;
+
+ fn = (void *)fmt + fn_offset;
+ cmp = (*fn)(fmt, left, right);
if (cmp)
break;
}
@@ -1292,23 +1332,33 @@ hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
}
int64_t
-hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
+hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
{
- struct hists *hists = left->hists;
- struct perf_hpp_fmt *fmt;
- int64_t cmp = 0;
+ return hist_entry__cmp_impl(left->hists->hpp_list, left, right,
+ offsetof(struct perf_hpp_fmt, cmp), true, false);
+}
- hists__for_each_sort_list(hists, fmt) {
- if (perf_hpp__is_dynamic_entry(fmt) &&
- !perf_hpp__defined_dynamic_entry(fmt, hists))
- continue;
+static int64_t
+hist_entry__sort(struct hist_entry *left, struct hist_entry *right)
+{
+ return hist_entry__cmp_impl(left->hists->hpp_list, left, right,
+ offsetof(struct perf_hpp_fmt, sort), false, true);
+}
- cmp = fmt->collapse(fmt, left, right);
- if (cmp)
- break;
- }
+int64_t
+hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
+{
+ return hist_entry__cmp_impl(left->hists->hpp_list, left, right,
+ offsetof(struct perf_hpp_fmt, collapse), true, false);
+}
- return cmp;
+static int64_t
+hist_entry__collapse_hierarchy(struct perf_hpp_list *hpp_list,
+ struct hist_entry *left,
+ struct hist_entry *right)
+{
+ return hist_entry__cmp_impl(hpp_list, left, right,
+ offsetof(struct perf_hpp_fmt, collapse), false, false);
}
void hist_entry__delete(struct hist_entry *he)
@@ -1319,21 +1369,18 @@ void hist_entry__delete(struct hist_entry *he)
map_symbol__exit(&he->ms);
if (he->branch_info) {
- map_symbol__exit(&he->branch_info->from.ms);
- map_symbol__exit(&he->branch_info->to.ms);
- zfree_srcline(&he->branch_info->srcline_from);
- zfree_srcline(&he->branch_info->srcline_to);
+ branch_info__exit(he->branch_info);
zfree(&he->branch_info);
}
if (he->mem_info) {
- map_symbol__exit(&he->mem_info->iaddr.ms);
- map_symbol__exit(&he->mem_info->daddr.ms);
+ map_symbol__exit(&mem_info__iaddr(he->mem_info)->ms);
+ map_symbol__exit(&mem_info__daddr(he->mem_info)->ms);
mem_info__zput(he->mem_info);
}
if (he->block_info)
- block_info__zput(he->block_info);
+ block_info__delete(he->block_info);
if (he->kvm_info)
kvm_info__zput(he->kvm_info);
@@ -1485,14 +1532,7 @@ static struct hist_entry *hierarchy_insert_entry(struct hists *hists,
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node_in);
-
- cmp = 0;
- perf_hpp_list__for_each_sort_list(hpp_list, fmt) {
- cmp = fmt->collapse(fmt, iter, he);
- if (cmp)
- break;
- }
-
+ cmp = hist_entry__collapse_hierarchy(hpp_list, iter, he);
if (!cmp) {
he_stat__add_stat(&iter->stat, &he->stat);
return iter;
@@ -1712,24 +1752,6 @@ int hists__collapse_resort(struct hists *hists, struct ui_progress *prog)
return 0;
}
-static int64_t hist_entry__sort(struct hist_entry *a, struct hist_entry *b)
-{
- struct hists *hists = a->hists;
- struct perf_hpp_fmt *fmt;
- int64_t cmp = 0;
-
- hists__for_each_sort_list(hists, fmt) {
- if (perf_hpp__should_skip(fmt, a->hists))
- continue;
-
- cmp = fmt->sort(fmt, a, b);
- if (cmp)
- break;
- }
-
- return cmp;
-}
-
static void hists__reset_filter_stats(struct hists *hists)
{
hists->nr_non_filtered_entries = 0;
@@ -2128,7 +2150,7 @@ static bool hists__filter_entry_by_dso(struct hists *hists,
struct hist_entry *he)
{
if (hists->dso_filter != NULL &&
- (he->ms.map == NULL || map__dso(he->ms.map) != hists->dso_filter)) {
+ (he->ms.map == NULL || !RC_CHK_EQUAL(map__dso(he->ms.map), hists->dso_filter))) {
he->filtered |= (1 << HIST_FILTER__DSO);
return true;
}
@@ -2370,6 +2392,11 @@ void hists__inc_nr_lost_samples(struct hists *hists, u32 lost)
hists->stats.nr_lost_samples += lost;
}
+void hists__inc_nr_dropped_samples(struct hists *hists, u32 lost)
+{
+ hists->stats.nr_dropped_samples += lost;
+}
+
static struct hist_entry *hists__add_dummy_entry(struct hists *hists,
struct hist_entry *pair)
{
@@ -2426,21 +2453,15 @@ static struct hist_entry *add_dummy_hierarchy_entry(struct hists *hists,
struct rb_node **p;
struct rb_node *parent = NULL;
struct hist_entry *he;
- struct perf_hpp_fmt *fmt;
bool leftmost = true;
p = &root->rb_root.rb_node;
while (*p != NULL) {
- int64_t cmp = 0;
+ int64_t cmp;
parent = *p;
he = rb_entry(parent, struct hist_entry, rb_node_in);
-
- perf_hpp_list__for_each_sort_list(he->hpp_list, fmt) {
- cmp = fmt->collapse(fmt, he, pair);
- if (cmp)
- break;
- }
+ cmp = hist_entry__collapse_hierarchy(he->hpp_list, he, pair);
if (!cmp)
goto out;
@@ -2498,16 +2519,10 @@ static struct hist_entry *hists__find_hierarchy_entry(struct rb_root_cached *roo
while (n) {
struct hist_entry *iter;
- struct perf_hpp_fmt *fmt;
- int64_t cmp = 0;
+ int64_t cmp;
iter = rb_entry(n, struct hist_entry, rb_node_in);
- perf_hpp_list__for_each_sort_list(he->hpp_list, fmt) {
- cmp = fmt->collapse(fmt, iter, he);
- if (cmp)
- break;
- }
-
+ cmp = hist_entry__collapse_hierarchy(he->hpp_list, iter, he);
if (cmp < 0)
n = n->rb_left;
else if (cmp > 0)
@@ -2667,7 +2682,7 @@ int hists__unlink(struct hists *hists)
void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
struct perf_sample *sample, bool nonany_branch_mode,
- u64 *total_cycles)
+ u64 *total_cycles, struct evsel *evsel)
{
struct branch_info *bi;
struct branch_entry *entries = perf_sample__branch_entries(sample);
@@ -2691,7 +2706,8 @@ void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
for (int i = bs->nr - 1; i >= 0; i--) {
addr_map_symbol__account_cycles(&bi[i].from,
nonany_branch_mode ? NULL : prev,
- bi[i].flags.cycles);
+ bi[i].flags.cycles, evsel,
+ bi[i].branch_stack_cntr);
prev = &bi[i].to;
if (total_cycles)
@@ -2706,25 +2722,31 @@ void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
}
}
-size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp,
- bool skip_empty)
+size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp)
{
struct evsel *pos;
size_t ret = 0;
evlist__for_each_entry(evlist, pos) {
struct hists *hists = evsel__hists(pos);
+ u64 total_samples = hists->stats.nr_samples;
+
+ total_samples += hists->stats.nr_lost_samples;
+ total_samples += hists->stats.nr_dropped_samples;
- if (skip_empty && !hists->stats.nr_samples && !hists->stats.nr_lost_samples)
+ if (symbol_conf.skip_empty && total_samples == 0)
continue;
ret += fprintf(fp, "%s stats:\n", evsel__name(pos));
if (hists->stats.nr_samples)
- ret += fprintf(fp, "%16s events: %10d\n",
+ ret += fprintf(fp, "%20s events: %10d\n",
"SAMPLE", hists->stats.nr_samples);
if (hists->stats.nr_lost_samples)
- ret += fprintf(fp, "%16s events: %10d\n",
+ ret += fprintf(fp, "%20s events: %10d\n",
"LOST_SAMPLES", hists->stats.nr_lost_samples);
+ if (hists->stats.nr_dropped_samples)
+ ret += fprintf(fp, "%20s events: %10d\n",
+ "LOST_SAMPLES (BPF)", hists->stats.nr_dropped_samples);
}
return ret;
@@ -2808,7 +2830,7 @@ int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool sh
}
if (dso)
printed += scnprintf(bf + printed, size - printed,
- ", DSO: %s", dso->short_name);
+ ", DSO: %s", dso__short_name(dso));
if (socket_id > -1)
printed += scnprintf(bf + printed, size - printed,
", Processor Socket: %d", socket_id);