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-rw-r--r--tools/perf/util/cpumap.c59
-rw-r--r--tools/perf/util/cpumap.h7
-rw-r--r--tools/perf/util/event.h9
-rw-r--r--tools/perf/util/hist.c50
-rw-r--r--tools/perf/util/hist.h12
-rw-r--r--tools/perf/util/probe-finder.c2
-rw-r--r--tools/perf/util/session.c1
-rw-r--r--tools/perf/util/session.h1
-rw-r--r--tools/perf/util/thread.c41
-rw-r--r--tools/perf/util/thread.h3
10 files changed, 151 insertions, 34 deletions
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
new file mode 100644
index 0000000..4e01490
--- /dev/null
+++ b/tools/perf/util/cpumap.c
@@ -0,0 +1,59 @@
+#include "util.h"
+#include "../perf.h"
+#include "cpumap.h"
+#include <assert.h>
+#include <stdio.h>
+
+int cpumap[MAX_NR_CPUS];
+
+static int default_cpu_map(void)
+{
+ int nr_cpus, i;
+
+ nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ assert(nr_cpus <= MAX_NR_CPUS);
+ assert((int)nr_cpus >= 0);
+
+ for (i = 0; i < nr_cpus; ++i)
+ cpumap[i] = i;
+
+ return nr_cpus;
+}
+
+int read_cpu_map(void)
+{
+ FILE *onlnf;
+ int nr_cpus = 0;
+ int n, cpu, prev;
+ char sep;
+
+ onlnf = fopen("/sys/devices/system/cpu/online", "r");
+ if (!onlnf)
+ return default_cpu_map();
+
+ sep = 0;
+ prev = -1;
+ for (;;) {
+ n = fscanf(onlnf, "%u%c", &cpu, &sep);
+ if (n <= 0)
+ break;
+ if (prev >= 0) {
+ assert(nr_cpus + cpu - prev - 1 < MAX_NR_CPUS);
+ while (++prev < cpu)
+ cpumap[nr_cpus++] = prev;
+ }
+ assert (nr_cpus < MAX_NR_CPUS);
+ cpumap[nr_cpus++] = cpu;
+ if (n == 2 && sep == '-')
+ prev = cpu;
+ else
+ prev = -1;
+ if (n == 1 || sep == '\n')
+ break;
+ }
+ fclose(onlnf);
+ if (nr_cpus > 0)
+ return nr_cpus;
+
+ return default_cpu_map();
+}
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
new file mode 100644
index 0000000..86c78bb
--- /dev/null
+++ b/tools/perf/util/cpumap.h
@@ -0,0 +1,7 @@
+#ifndef __PERF_CPUMAP_H
+#define __PERF_CPUMAP_H
+
+extern int read_cpu_map(void);
+extern int cpumap[];
+
+#endif /* __PERF_CPUMAP_H */
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 50a7132..a33b949 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -99,6 +99,15 @@ struct events_stats {
u64 lost;
};
+struct event_stat_id {
+ struct rb_node rb_node;
+ struct rb_root hists;
+ struct events_stats stats;
+ u64 config;
+ u64 event_stream;
+ u32 type;
+};
+
void event__print_totals(void);
struct perf_session;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 44408c2..2be33c7 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -12,12 +12,12 @@ struct callchain_param callchain_param = {
* histogram, sorted on item, collects counts
*/
-struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
+struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
struct addr_location *al,
struct symbol *sym_parent,
u64 count, bool *hit)
{
- struct rb_node **p = &self->hists.rb_node;
+ struct rb_node **p = &hists->rb_node;
struct rb_node *parent = NULL;
struct hist_entry *he;
struct hist_entry entry = {
@@ -53,7 +53,7 @@ struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
return NULL;
*he = entry;
rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &self->hists);
+ rb_insert_color(&he->rb_node, hists);
*hit = false;
return he;
}
@@ -130,7 +130,7 @@ static void collapse__insert_entry(struct rb_root *root, struct hist_entry *he)
rb_insert_color(&he->rb_node, root);
}
-void perf_session__collapse_resort(struct perf_session *self)
+void perf_session__collapse_resort(struct rb_root *hists)
{
struct rb_root tmp;
struct rb_node *next;
@@ -140,17 +140,17 @@ void perf_session__collapse_resort(struct perf_session *self)
return;
tmp = RB_ROOT;
- next = rb_first(&self->hists);
+ next = rb_first(hists);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
- rb_erase(&n->rb_node, &self->hists);
+ rb_erase(&n->rb_node, hists);
collapse__insert_entry(&tmp, n);
}
- self->hists = tmp;
+ *hists = tmp;
}
/*
@@ -183,7 +183,7 @@ static void perf_session__insert_output_hist_entry(struct rb_root *root,
rb_insert_color(&he->rb_node, root);
}
-void perf_session__output_resort(struct perf_session *self, u64 total_samples)
+void perf_session__output_resort(struct rb_root *hists, u64 total_samples)
{
struct rb_root tmp;
struct rb_node *next;
@@ -194,18 +194,18 @@ void perf_session__output_resort(struct perf_session *self, u64 total_samples)
total_samples * (callchain_param.min_percent / 100);
tmp = RB_ROOT;
- next = rb_first(&self->hists);
+ next = rb_first(hists);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
- rb_erase(&n->rb_node, &self->hists);
+ rb_erase(&n->rb_node, hists);
perf_session__insert_output_hist_entry(&tmp, n,
min_callchain_hits);
}
- self->hists = tmp;
+ *hists = tmp;
}
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
@@ -456,10 +456,10 @@ static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
}
static size_t hist_entry__fprintf(struct hist_entry *self,
- struct perf_session *session,
struct perf_session *pair_session,
bool show_displacement,
- long displacement, FILE *fp)
+ long displacement, FILE *fp,
+ u64 session_total)
{
struct sort_entry *se;
u64 count, total;
@@ -474,7 +474,7 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
total = pair_session->events_stats.total;
} else {
count = self->count;
- total = session->events_stats.total;
+ total = session_total;
}
if (total)
@@ -496,8 +496,8 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
if (total > 0)
old_percent = (count * 100.0) / total;
- if (session->events_stats.total > 0)
- new_percent = (self->count * 100.0) / session->events_stats.total;
+ if (session_total > 0)
+ new_percent = (self->count * 100.0) / session_total;
diff = new_percent - old_percent;
@@ -544,16 +544,17 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
left_margin -= thread__comm_len(self->thread);
}
- hist_entry_callchain__fprintf(fp, self, session->events_stats.total,
+ hist_entry_callchain__fprintf(fp, self, session_total,
left_margin);
}
return ret;
}
-size_t perf_session__fprintf_hists(struct perf_session *self,
+size_t perf_session__fprintf_hists(struct rb_root *hists,
struct perf_session *pair,
- bool show_displacement, FILE *fp)
+ bool show_displacement, FILE *fp,
+ u64 session_total)
{
struct sort_entry *se;
struct rb_node *nd;
@@ -641,7 +642,7 @@ size_t perf_session__fprintf_hists(struct perf_session *self,
fprintf(fp, "\n#\n");
print_entries:
- for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(hists); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (show_displacement) {
@@ -652,8 +653,13 @@ print_entries:
displacement = 0;
++position;
}
- ret += hist_entry__fprintf(h, self, pair, show_displacement,
- displacement, fp);
+ ret += hist_entry__fprintf(h, pair, show_displacement,
+ displacement, fp, session_total);
+ if (h->map == NULL && verbose > 1) {
+ __map_groups__fprintf_maps(&h->thread->mg,
+ MAP__FUNCTION, fp);
+ fprintf(fp, "%.10s end\n", graph_dotted_line);
+ }
}
free(rem_sq_bracket);
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index e5f99b2..16f360c 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -10,8 +10,9 @@ struct perf_session;
struct hist_entry;
struct addr_location;
struct symbol;
+struct rb_root;
-struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
+struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
struct addr_location *al,
struct symbol *parent,
u64 count, bool *hit);
@@ -19,9 +20,10 @@ extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
void hist_entry__free(struct hist_entry *);
-void perf_session__output_resort(struct perf_session *self, u64 total_samples);
-void perf_session__collapse_resort(struct perf_session *self);
-size_t perf_session__fprintf_hists(struct perf_session *self,
+void perf_session__output_resort(struct rb_root *hists, u64 total_samples);
+void perf_session__collapse_resort(struct rb_root *hists);
+size_t perf_session__fprintf_hists(struct rb_root *hists,
struct perf_session *pair,
- bool show_displacement, FILE *fp);
+ bool show_displacement, FILE *fp,
+ u64 session_total);
#endif /* __PERF_HIST_H */
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index e77dc88..1e6c65e 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -169,7 +169,7 @@ static const char *cu_find_realpath(Dwarf_Die *cu_die, const char *fname)
{
Dwarf_Files *files;
size_t nfiles, i;
- const char *src;
+ const char *src = NULL;
int ret;
if (!fname)
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 0de7258..eed1cb8 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -70,6 +70,7 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc
memcpy(self->filename, filename, len);
self->threads = RB_ROOT;
+ self->stats_by_id = RB_ROOT;
self->last_match = NULL;
self->mmap_window = 32;
self->cwd = NULL;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 31950fc..5c33417 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -20,6 +20,7 @@ struct perf_session {
struct thread *last_match;
struct map *vmlinux_maps[MAP__NR_TYPES];
struct events_stats events_stats;
+ struct rb_root stats_by_id;
unsigned long event_total[PERF_RECORD_MAX];
unsigned long unknown_events;
struct rb_root hists;
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 21b9216..fa96831 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -79,8 +79,8 @@ int thread__comm_len(struct thread *self)
return self->comm_len;
}
-static size_t __map_groups__fprintf_maps(struct map_groups *self,
- enum map_type type, FILE *fp)
+size_t __map_groups__fprintf_maps(struct map_groups *self,
+ enum map_type type, FILE *fp)
{
size_t printed = fprintf(fp, "%s:\n", map_type__name[type]);
struct rb_node *nd;
@@ -89,7 +89,7 @@ static size_t __map_groups__fprintf_maps(struct map_groups *self,
struct map *pos = rb_entry(nd, struct map, rb_node);
printed += fprintf(fp, "Map:");
printed += map__fprintf(pos, fp);
- if (verbose > 1) {
+ if (verbose > 2) {
printed += dso__fprintf(pos->dso, type, fp);
printed += fprintf(fp, "--\n");
}
@@ -183,8 +183,8 @@ struct thread *perf_session__findnew(struct perf_session *self, pid_t pid)
return th;
}
-static void map_groups__remove_overlappings(struct map_groups *self,
- struct map *map)
+static int map_groups__fixup_overlappings(struct map_groups *self,
+ struct map *map)
{
struct rb_root *root = &self->maps[map->type];
struct rb_node *next = rb_first(root);
@@ -209,7 +209,36 @@ static void map_groups__remove_overlappings(struct map_groups *self,
* list.
*/
list_add_tail(&pos->node, &self->removed_maps[map->type]);
+ /*
+ * Now check if we need to create new maps for areas not
+ * overlapped by the new map:
+ */
+ if (map->start > pos->start) {
+ struct map *before = map__clone(pos);
+
+ if (before == NULL)
+ return -ENOMEM;
+
+ before->end = map->start - 1;
+ map_groups__insert(self, before);
+ if (verbose >= 2)
+ map__fprintf(before, stderr);
+ }
+
+ if (map->end < pos->end) {
+ struct map *after = map__clone(pos);
+
+ if (after == NULL)
+ return -ENOMEM;
+
+ after->start = map->end + 1;
+ map_groups__insert(self, after);
+ if (verbose >= 2)
+ map__fprintf(after, stderr);
+ }
}
+
+ return 0;
}
void maps__insert(struct rb_root *maps, struct map *map)
@@ -254,7 +283,7 @@ struct map *maps__find(struct rb_root *maps, u64 ip)
void thread__insert_map(struct thread *self, struct map *map)
{
- map_groups__remove_overlappings(&self->mg, map);
+ map_groups__fixup_overlappings(&self->mg, map);
map_groups__insert(&self->mg, map);
}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 0a28f39..dcf7030 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -10,6 +10,9 @@ struct map_groups {
struct list_head removed_maps[MAP__NR_TYPES];
};
+size_t __map_groups__fprintf_maps(struct map_groups *self,
+ enum map_type type, FILE *fp);
+
struct thread {
struct rb_node rb_node;
struct map_groups mg;
generated by cgit v1.1 at 2024-12-25 18:55:04 +0000