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authorArnaldo Carvalho de Melo <acme@redhat.com>2010-03-09 13:58:17 -0500
committerIngo Molnar <mingo@elte.hu>2010-03-10 07:53:52 -0500
commit65f2ed2b2fa6034ef9890b60c8fd39fbe76b9d37 (patch)
tree18cfb92b6c1dd22fbd960a7d10304fc99b898b97 /tools
parentcbbc79a53278b83bf7f834127751459f9299e402 (diff)
perf report: Print the map table just after samples for which no map was found
If -vv is used just the map table will be printed, -vvv will print the symbol table too, with it we can see that we have a bug where some samples are not being resolved to a map when we get them in the perf.data stream, but after we have it all processed, we can find the right map, some reordering probably is happening. Upcoming patches will provide ways to ask for most PERF_SAMPLE_ conditional samples to be taken for !PERF_RECORD_SAMPLE events too, then we'll be able to ask for PERF_SAMPLE_TIME and PERF_SAMPLE_CPU to help diagnose this. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1268161097-17761-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/hist.c5
-rw-r--r--tools/perf/util/thread.c6
-rw-r--r--tools/perf/util/thread.h3
3 files changed, 11 insertions, 3 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 73ebb6fb34ac..bdcfd6190b21 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -655,6 +655,11 @@ print_entries:
655 } 655 }
656 ret += hist_entry__fprintf(h, pair, show_displacement, 656 ret += hist_entry__fprintf(h, pair, show_displacement,
657 displacement, fp, session_total); 657 displacement, fp, session_total);
658 if (h->map == NULL && verbose > 1) {
659 __map_groups__fprintf_maps(&h->thread->mg,
660 MAP__FUNCTION, fp);
661 fprintf(fp, "%.10s end\n", graph_dotted_line);
662 }
658 } 663 }
659 664
660 free(rem_sq_bracket); 665 free(rem_sq_bracket);
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 9024fa1ff5c2..fa968312ee7d 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -79,8 +79,8 @@ int thread__comm_len(struct thread *self)
79 return self->comm_len; 79 return self->comm_len;
80} 80}
81 81
82static size_t __map_groups__fprintf_maps(struct map_groups *self, 82size_t __map_groups__fprintf_maps(struct map_groups *self,
83 enum map_type type, FILE *fp) 83 enum map_type type, FILE *fp)
84{ 84{
85 size_t printed = fprintf(fp, "%s:\n", map_type__name[type]); 85 size_t printed = fprintf(fp, "%s:\n", map_type__name[type]);
86 struct rb_node *nd; 86 struct rb_node *nd;
@@ -89,7 +89,7 @@ static size_t __map_groups__fprintf_maps(struct map_groups *self,
89 struct map *pos = rb_entry(nd, struct map, rb_node); 89 struct map *pos = rb_entry(nd, struct map, rb_node);
90 printed += fprintf(fp, "Map:"); 90 printed += fprintf(fp, "Map:");
91 printed += map__fprintf(pos, fp); 91 printed += map__fprintf(pos, fp);
92 if (verbose > 1) { 92 if (verbose > 2) {
93 printed += dso__fprintf(pos->dso, type, fp); 93 printed += dso__fprintf(pos->dso, type, fp);
94 printed += fprintf(fp, "--\n"); 94 printed += fprintf(fp, "--\n");
95 } 95 }
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 0a28f39de545..dcf70303e58e 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -10,6 +10,9 @@ struct map_groups {
10 struct list_head removed_maps[MAP__NR_TYPES]; 10 struct list_head removed_maps[MAP__NR_TYPES];
11}; 11};
12 12
13size_t __map_groups__fprintf_maps(struct map_groups *self,
14 enum map_type type, FILE *fp);
15
13struct thread { 16struct thread {
14 struct rb_node rb_node; 17 struct rb_node rb_node;
15 struct map_groups mg; 18 struct map_groups mg;