summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--tools/perf/util/evsel.c1
-rw-r--r--tools/perf/util/hist.c111
-rw-r--r--tools/perf/util/hist.h9
-rw-r--r--tools/perf/util/sort.h1
4 files changed, 92 insertions, 30 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index e389815078d..b46f6e4bff3 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -39,6 +39,7 @@ void perf_evsel__init(struct perf_evsel *evsel,
evsel->idx = idx;
evsel->attr = *attr;
INIT_LIST_HEAD(&evsel->node);
+ hists__init(&evsel->hists);
}
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx)
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 32c90865940..80fe30d90d7 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -118,6 +118,7 @@ static void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h)
if (!h->filtered) {
hists__calc_col_len(hists, h);
++hists->nr_entries;
+ hists->stats.total_period += h->period;
}
}
@@ -132,7 +133,7 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
struct addr_location *al,
struct symbol *sym_parent, u64 period)
{
- struct rb_node **p = &hists->entries.rb_node;
+ struct rb_node **p;
struct rb_node *parent = NULL;
struct hist_entry *he;
struct hist_entry entry = {
@@ -150,9 +151,13 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
};
int cmp;
+ pthread_mutex_lock(&hists->lock);
+
+ p = &hists->entries_in->rb_node;
+
while (*p != NULL) {
parent = *p;
- he = rb_entry(parent, struct hist_entry, rb_node);
+ he = rb_entry(parent, struct hist_entry, rb_node_in);
cmp = hist_entry__cmp(&entry, he);
@@ -170,12 +175,14 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
he = hist_entry__new(&entry);
if (!he)
- return NULL;
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &hists->entries);
- hists__inc_nr_entries(hists, he);
+ goto out_unlock;
+
+ rb_link_node(&he->rb_node_in, parent, p);
+ rb_insert_color(&he->rb_node_in, hists->entries_in);
out:
hist_entry__add_cpumode_period(he, al->cpumode, period);
+out_unlock:
+ pthread_mutex_unlock(&hists->lock);
return he;
}
@@ -233,7 +240,7 @@ static bool hists__collapse_insert_entry(struct hists *hists,
while (*p != NULL) {
parent = *p;
- iter = rb_entry(parent, struct hist_entry, rb_node);
+ iter = rb_entry(parent, struct hist_entry, rb_node_in);
cmp = hist_entry__collapse(iter, he);
@@ -254,35 +261,57 @@ static bool hists__collapse_insert_entry(struct hists *hists,
p = &(*p)->rb_right;
}
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, root);
+ rb_link_node(&he->rb_node_in, parent, p);
+ rb_insert_color(&he->rb_node_in, root);
return true;
}
-void hists__collapse_resort(struct hists *hists)
+static struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
{
- struct rb_root tmp;
+ struct rb_root *root;
+
+ pthread_mutex_lock(&hists->lock);
+
+ root = hists->entries_in;
+ if (++hists->entries_in > &hists->entries_in_array[1])
+ hists->entries_in = &hists->entries_in_array[0];
+
+ pthread_mutex_unlock(&hists->lock);
+
+ return root;
+}
+
+static void __hists__collapse_resort(struct hists *hists, bool threaded)
+{
+ struct rb_root *root;
struct rb_node *next;
struct hist_entry *n;
- if (!sort__need_collapse)
+ if (!sort__need_collapse && !threaded)
return;
- tmp = RB_ROOT;
- next = rb_first(&hists->entries);
- hists->nr_entries = 0;
- hists__reset_col_len(hists);
+ root = hists__get_rotate_entries_in(hists);
+ next = rb_first(root);
+ hists->stats.total_period = 0;
while (next) {
- n = rb_entry(next, struct hist_entry, rb_node);
- next = rb_next(&n->rb_node);
+ n = rb_entry(next, struct hist_entry, rb_node_in);
+ next = rb_next(&n->rb_node_in);
- rb_erase(&n->rb_node, &hists->entries);
- if (hists__collapse_insert_entry(hists, &tmp, n))
+ rb_erase(&n->rb_node_in, root);
+ if (hists__collapse_insert_entry(hists, &hists->entries_collapsed, n))
hists__inc_nr_entries(hists, n);
}
+}
- hists->entries = tmp;
+void hists__collapse_resort(struct hists *hists)
+{
+ return __hists__collapse_resort(hists, false);
+}
+
+void hists__collapse_resort_threaded(struct hists *hists)
+{
+ return __hists__collapse_resort(hists, true);
}
/*
@@ -315,31 +344,43 @@ static void __hists__insert_output_entry(struct rb_root *entries,
rb_insert_color(&he->rb_node, entries);
}
-void hists__output_resort(struct hists *hists)
+static void __hists__output_resort(struct hists *hists, bool threaded)
{
- struct rb_root tmp;
+ struct rb_root *root;
struct rb_node *next;
struct hist_entry *n;
u64 min_callchain_hits;
min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100);
- tmp = RB_ROOT;
- next = rb_first(&hists->entries);
+ if (sort__need_collapse || threaded)
+ root = &hists->entries_collapsed;
+ else
+ root = hists->entries_in;
+
+ next = rb_first(root);
+ hists->entries = RB_ROOT;
hists->nr_entries = 0;
hists__reset_col_len(hists);
while (next) {
- n = rb_entry(next, struct hist_entry, rb_node);
- next = rb_next(&n->rb_node);
+ n = rb_entry(next, struct hist_entry, rb_node_in);
+ next = rb_next(&n->rb_node_in);
- rb_erase(&n->rb_node, &hists->entries);
- __hists__insert_output_entry(&tmp, n, min_callchain_hits);
+ __hists__insert_output_entry(&hists->entries, n, min_callchain_hits);
hists__inc_nr_entries(hists, n);
}
+}
- hists->entries = tmp;
+void hists__output_resort(struct hists *hists)
+{
+ return __hists__output_resort(hists, false);
+}
+
+void hists__output_resort_threaded(struct hists *hists)
+{
+ return __hists__output_resort(hists, true);
}
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
@@ -1043,3 +1084,13 @@ size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
return ret;
}
+
+void hists__init(struct hists *hists)
+{
+ memset(hists, 0, sizeof(*hists));
+ hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
+ hists->entries_in = &hists->entries_in_array[0];
+ hists->entries_collapsed = RB_ROOT;
+ hists->entries = RB_ROOT;
+ pthread_mutex_init(&hists->lock, NULL);
+}
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 861ffc31db9..d3f976cc7c5 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -2,6 +2,7 @@
#define __PERF_HIST_H
#include <linux/types.h>
+#include <pthread.h>
#include "callchain.h"
extern struct callchain_param callchain_param;
@@ -43,8 +44,12 @@ enum hist_column {
};
struct hists {
+ struct rb_root entries_in_array[2];
+ struct rb_root *entries_in;
struct rb_root entries;
+ struct rb_root entries_collapsed;
u64 nr_entries;
+ pthread_mutex_t lock;
struct events_stats stats;
u64 event_stream;
u16 col_len[HISTC_NR_COLS];
@@ -52,6 +57,8 @@ struct hists {
struct callchain_cursor callchain_cursor;
};
+void hists__init(struct hists *hists);
+
struct hist_entry *__hists__add_entry(struct hists *self,
struct addr_location *al,
struct symbol *parent, u64 period);
@@ -67,7 +74,9 @@ int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size,
void hist_entry__free(struct hist_entry *);
void hists__output_resort(struct hists *self);
+void hists__output_resort_threaded(struct hists *hists);
void hists__collapse_resort(struct hists *self);
+void hists__collapse_resort_threaded(struct hists *hists);
void hists__inc_nr_events(struct hists *self, u32 type);
size_t hists__fprintf_nr_events(struct hists *self, FILE *fp);
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 77d0388ad41..03851e30172 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -45,6 +45,7 @@ extern enum sort_type sort__first_dimension;
* @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
*/
struct hist_entry {
+ struct rb_node rb_node_in;
struct rb_node rb_node;
u64 period;
u64 period_sys;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-22 01:05:18 +0000