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authorArnaldo Carvalho de Melo <acme@redhat.com>2010-03-09 15:58:17 -0300
committerIngo Molnar <mingo@elte.hu>2010-03-10 13:53:52 +0100
commit65f2ed2b2fa6034ef9890b60c8fd39fbe76b9d37 (patch)
tree18cfb92b6c1dd22fbd960a7d10304fc99b898b97 /tools
parentcbbc79a53278b83bf7f834127751459f9299e402 (diff)
downloadlinux-2.6.34-ux500-65f2ed2b2fa6034ef9890b60c8fd39fbe76b9d37.tar.gz
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 73ebb6fb34a..bdcfd6190b2 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -655,6 +655,11 @@ print_entries:
}
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/thread.c b/tools/perf/util/thread.c
index 9024fa1ff5c..fa968312ee7 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");
}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 0a28f39de54..dcf70303e58 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;