summaryrefslogtreecommitdiff
path: root/tools/perf/builtin-annotate.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/builtin-annotate.c')
-rw-r--r--tools/perf/builtin-annotate.c351
1 files changed, 88 insertions, 263 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 8879463807e4..695de4b5ae63 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -9,6 +9,7 @@
#include "util/util.h"
+#include "util/util.h"
#include "util/color.h"
#include <linux/list.h>
#include "util/cache.h"
@@ -18,6 +19,9 @@
#include "perf.h"
#include "util/debug.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include "util/annotate.h"
#include "util/event.h"
#include "util/parse-options.h"
#include "util/parse-events.h"
@@ -36,9 +40,13 @@ static bool print_line;
static const char *sym_hist_filter;
-static int hists__add_entry(struct hists *self, struct addr_location *al)
+static int perf_evlist__add_sample(struct perf_evlist *evlist,
+ struct perf_sample *sample,
+ struct addr_location *al)
{
+ struct perf_evsel *evsel;
struct hist_entry *he;
+ int ret;
if (sym_hist_filter != NULL &&
(al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) {
@@ -51,25 +59,51 @@ static int hists__add_entry(struct hists *self, struct addr_location *al)
return 0;
}
- he = __hists__add_entry(self, al, NULL, 1);
+ evsel = perf_evlist__id2evsel(evlist, sample->id);
+ if (evsel == NULL) {
+ /*
+ * FIXME: Propagate this back, but at least we're in a builtin,
+ * where exit() is allowed. ;-)
+ */
+ ui__warning("Invalid %s file, contains samples with id not in "
+ "its header!\n", input_name);
+ exit_browser(0);
+ exit(1);
+ }
+
+ he = __hists__add_entry(&evsel->hists, al, NULL, 1);
if (he == NULL)
return -ENOMEM;
- return hist_entry__inc_addr_samples(he, al->addr);
+ ret = 0;
+ if (he->ms.sym != NULL) {
+ struct annotation *notes = symbol__annotation(he->ms.sym);
+ if (notes->src == NULL &&
+ symbol__alloc_hist(he->ms.sym, evlist->nr_entries) < 0)
+ return -ENOMEM;
+
+ ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
+ }
+
+ evsel->hists.stats.total_period += sample->period;
+ hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
+ return ret;
}
-static int process_sample_event(event_t *event, struct sample_data *sample,
+static int process_sample_event(union perf_event *event,
+ struct perf_sample *sample,
struct perf_session *session)
{
struct addr_location al;
- if (event__preprocess_sample(event, session, &al, sample, NULL) < 0) {
+ if (perf_event__preprocess_sample(event, session, &al, sample,
+ symbol__annotate_init) < 0) {
pr_warning("problem processing %d event, skipping it.\n",
event->header.type);
return -1;
}
- if (!al.filtered && hists__add_entry(&session->hists, &al)) {
+ if (!al.filtered && perf_evlist__add_sample(session->evlist, sample, &al)) {
pr_warning("problem incrementing symbol count, "
"skipping event\n");
return -1;
@@ -78,261 +112,26 @@ static int process_sample_event(event_t *event, struct sample_data *sample,
return 0;
}
-static int objdump_line__print(struct objdump_line *self,
- struct list_head *head,
- struct hist_entry *he, u64 len)
-{
- struct symbol *sym = he->ms.sym;
- static const char *prev_line;
- static const char *prev_color;
-
- if (self->offset != -1) {
- const char *path = NULL;
- unsigned int hits = 0;
- double percent = 0.0;
- const char *color;
- struct sym_priv *priv = symbol__priv(sym);
- struct sym_ext *sym_ext = priv->ext;
- struct sym_hist *h = priv->hist;
- s64 offset = self->offset;
- struct objdump_line *next = objdump__get_next_ip_line(head, self);
-
- while (offset < (s64)len &&
- (next == NULL || offset < next->offset)) {
- if (sym_ext) {
- if (path == NULL)
- path = sym_ext[offset].path;
- percent += sym_ext[offset].percent;
- } else
- hits += h->ip[offset];
-
- ++offset;
- }
-
- if (sym_ext == NULL && h->sum)
- percent = 100.0 * hits / h->sum;
-
- color = get_percent_color(percent);
-
- /*
- * Also color the filename and line if needed, with
- * the same color than the percentage. Don't print it
- * twice for close colored ip with the same filename:line
- */
- if (path) {
- if (!prev_line || strcmp(prev_line, path)
- || color != prev_color) {
- color_fprintf(stdout, color, " %s", path);
- prev_line = path;
- prev_color = color;
- }
- }
-
- color_fprintf(stdout, color, " %7.2f", percent);
- printf(" : ");
- color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line);
- } else {
- if (!*self->line)
- printf(" :\n");
- else
- printf(" : %s\n", self->line);
- }
-
- return 0;
-}
-
-static struct rb_root root_sym_ext;
-
-static void insert_source_line(struct sym_ext *sym_ext)
-{
- struct sym_ext *iter;
- struct rb_node **p = &root_sym_ext.rb_node;
- struct rb_node *parent = NULL;
-
- while (*p != NULL) {
- parent = *p;
- iter = rb_entry(parent, struct sym_ext, node);
-
- if (sym_ext->percent > iter->percent)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
- }
-
- rb_link_node(&sym_ext->node, parent, p);
- rb_insert_color(&sym_ext->node, &root_sym_ext);
-}
-
-static void free_source_line(struct hist_entry *he, int len)
-{
- struct sym_priv *priv = symbol__priv(he->ms.sym);
- struct sym_ext *sym_ext = priv->ext;
- int i;
-
- if (!sym_ext)
- return;
-
- for (i = 0; i < len; i++)
- free(sym_ext[i].path);
- free(sym_ext);
-
- priv->ext = NULL;
- root_sym_ext = RB_ROOT;
-}
-
-/* Get the filename:line for the colored entries */
-static void
-get_source_line(struct hist_entry *he, int len, const char *filename)
-{
- struct symbol *sym = he->ms.sym;
- u64 start;
- int i;
- char cmd[PATH_MAX * 2];
- struct sym_ext *sym_ext;
- struct sym_priv *priv = symbol__priv(sym);
- struct sym_hist *h = priv->hist;
-
- if (!h->sum)
- return;
-
- sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext));
- if (!priv->ext)
- return;
-
- start = he->ms.map->unmap_ip(he->ms.map, sym->start);
-
- for (i = 0; i < len; i++) {
- char *path = NULL;
- size_t line_len;
- u64 offset;
- FILE *fp;
-
- sym_ext[i].percent = 100.0 * h->ip[i] / h->sum;
- if (sym_ext[i].percent <= 0.5)
- continue;
-
- offset = start + i;
- sprintf(cmd, "addr2line -e %s %016" PRIx64, filename, offset);
- fp = popen(cmd, "r");
- if (!fp)
- continue;
-
- if (getline(&path, &line_len, fp) < 0 || !line_len)
- goto next;
-
- sym_ext[i].path = malloc(sizeof(char) * line_len + 1);
- if (!sym_ext[i].path)
- goto next;
-
- strcpy(sym_ext[i].path, path);
- insert_source_line(&sym_ext[i]);
-
- next:
- pclose(fp);
- }
-}
-
-static void print_summary(const char *filename)
-{
- struct sym_ext *sym_ext;
- struct rb_node *node;
-
- printf("\nSorted summary for file %s\n", filename);
- printf("----------------------------------------------\n\n");
-
- if (RB_EMPTY_ROOT(&root_sym_ext)) {
- printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
- return;
- }
-
- node = rb_first(&root_sym_ext);
- while (node) {
- double percent;
- const char *color;
- char *path;
-
- sym_ext = rb_entry(node, struct sym_ext, node);
- percent = sym_ext->percent;
- color = get_percent_color(percent);
- path = sym_ext->path;
-
- color_fprintf(stdout, color, " %7.2f %s", percent, path);
- node = rb_next(node);
- }
-}
-
-static void hist_entry__print_hits(struct hist_entry *self)
-{
- struct symbol *sym = self->ms.sym;
- struct sym_priv *priv = symbol__priv(sym);
- struct sym_hist *h = priv->hist;
- u64 len = sym->end - sym->start, offset;
-
- for (offset = 0; offset < len; ++offset)
- if (h->ip[offset] != 0)
- printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
- sym->start + offset, h->ip[offset]);
- printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
-}
-
-static int hist_entry__tty_annotate(struct hist_entry *he)
+static int hist_entry__tty_annotate(struct hist_entry *he, int evidx)
{
- struct map *map = he->ms.map;
- struct dso *dso = map->dso;
- struct symbol *sym = he->ms.sym;
- const char *filename = dso->long_name, *d_filename;
- u64 len;
- LIST_HEAD(head);
- struct objdump_line *pos, *n;
-
- if (hist_entry__annotate(he, &head, 0) < 0)
- return -1;
-
- if (full_paths)
- d_filename = filename;
- else
- d_filename = basename(filename);
-
- len = sym->end - sym->start;
-
- if (print_line) {
- get_source_line(he, len, filename);
- print_summary(filename);
- }
-
- printf("\n\n------------------------------------------------\n");
- printf(" Percent | Source code & Disassembly of %s\n", d_filename);
- printf("------------------------------------------------\n");
-
- if (verbose)
- hist_entry__print_hits(he);
-
- list_for_each_entry_safe(pos, n, &head, node) {
- objdump_line__print(pos, &head, he, len);
- list_del(&pos->node);
- objdump_line__free(pos);
- }
-
- if (print_line)
- free_source_line(he, len);
-
- return 0;
+ return symbol__tty_annotate(he->ms.sym, he->ms.map, evidx,
+ print_line, full_paths, 0, 0);
}
-static void hists__find_annotations(struct hists *self)
+static void hists__find_annotations(struct hists *self, int evidx)
{
struct rb_node *nd = rb_first(&self->entries), *next;
int key = KEY_RIGHT;
while (nd) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
- struct sym_priv *priv;
+ struct annotation *notes;
if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned)
goto find_next;
- priv = symbol__priv(he->ms.sym);
- if (priv->hist == NULL) {
+ notes = symbol__annotation(he->ms.sym);
+ if (notes->src == NULL) {
find_next:
if (key == KEY_LEFT)
nd = rb_prev(nd);
@@ -342,7 +141,7 @@ find_next:
}
if (use_browser > 0) {
- key = hist_entry__tui_annotate(he);
+ key = hist_entry__tui_annotate(he, evidx);
switch (key) {
case KEY_RIGHT:
next = rb_next(nd);
@@ -357,24 +156,24 @@ find_next:
if (next != NULL)
nd = next;
} else {
- hist_entry__tty_annotate(he);
+ hist_entry__tty_annotate(he, evidx);
nd = rb_next(nd);
/*
* Since we have a hist_entry per IP for the same
- * symbol, free he->ms.sym->hist to signal we already
+ * symbol, free he->ms.sym->src to signal we already
* processed this symbol.
*/
- free(priv->hist);
- priv->hist = NULL;
+ free(notes->src);
+ notes->src = NULL;
}
}
}
static struct perf_event_ops event_ops = {
.sample = process_sample_event,
- .mmap = event__process_mmap,
- .comm = event__process_comm,
- .fork = event__process_task,
+ .mmap = perf_event__process_mmap,
+ .comm = perf_event__process_comm,
+ .fork = perf_event__process_task,
.ordered_samples = true,
.ordering_requires_timestamps = true,
};
@@ -383,6 +182,8 @@ static int __cmd_annotate(void)
{
int ret;
struct perf_session *session;
+ struct perf_evsel *pos;
+ u64 total_nr_samples;
session = perf_session__new(input_name, O_RDONLY, force, false, &event_ops);
if (session == NULL)
@@ -403,12 +204,36 @@ static int __cmd_annotate(void)
if (verbose > 2)
perf_session__fprintf_dsos(session, stdout);
- hists__collapse_resort(&session->hists);
- hists__output_resort(&session->hists);
- hists__find_annotations(&session->hists);
-out_delete:
- perf_session__delete(session);
+ total_nr_samples = 0;
+ list_for_each_entry(pos, &session->evlist->entries, node) {
+ struct hists *hists = &pos->hists;
+ u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
+
+ if (nr_samples > 0) {
+ total_nr_samples += nr_samples;
+ hists__collapse_resort(hists);
+ hists__output_resort(hists);
+ hists__find_annotations(hists, pos->idx);
+ }
+ }
+ if (total_nr_samples == 0) {
+ ui__warning("The %s file has no samples!\n", input_name);
+ goto out_delete;
+ }
+out_delete:
+ /*
+ * Speed up the exit process, for large files this can
+ * take quite a while.
+ *
+ * XXX Enable this when using valgrind or if we ever
+ * librarize this command.
+ *
+ * Also experiment with obstacks to see how much speed
+ * up we'll get here.
+ *
+ * perf_session__delete(session);
+ */
return ret;
}
@@ -451,9 +276,9 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
else if (use_tui)
use_browser = 1;
- setup_browser();
+ setup_browser(true);
- symbol_conf.priv_size = sizeof(struct sym_priv);
+ symbol_conf.priv_size = sizeof(struct annotation);
symbol_conf.try_vmlinux_path = true;
if (symbol__init() < 0)
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-05 01:01:42 +0000