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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 12:30:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 12:30:52 -0400
commit4aed2fd8e3181fea7c09ba79cf64e7e3f4413bf9 (patch)
tree1f69733e5daab4915a76a41de0e4d1dc61e12cfb /tools/perf/util/build-id.c
parent3a3527b6461b1298cc53ce72f336346739297ac8 (diff)
parentfc9ea5a1e53ee54f681e226d735008e2a6f8f470 (diff)
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits) tracing/kprobes: unregister_trace_probe needs to be called under mutex perf: expose event__process function perf events: Fix mmap offset determination perf, powerpc: fsl_emb: Restore setting perf_sample_data.period perf, powerpc: Convert the FSL driver to use local64_t perf tools: Don't keep unreferenced maps when unmaps are detected perf session: Invalidate last_match when removing threads from rb_tree perf session: Free the ref_reloc_sym memory at the right place x86,mmiotrace: Add support for tracing STOS instruction perf, sched migration: Librarize task states and event headers helpers perf, sched migration: Librarize the GUI class perf, sched migration: Make the GUI class client agnostic perf, sched migration: Make it vertically scrollable perf, sched migration: Parameterize cpu height and spacing perf, sched migration: Fix key bindings perf, sched migration: Ignore unhandled task states perf, sched migration: Handle ignored migrate out events perf: New migration tool overview tracing: Drop cpparg() macro perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call ... Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c
Diffstat (limited to 'tools/perf/util/build-id.c')
-rw-r--r--tools/perf/util/build-id.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 70c5cf87d020..e437edb72417 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -12,6 +12,7 @@
12#include "event.h" 12#include "event.h"
13#include "symbol.h" 13#include "symbol.h"
14#include <linux/kernel.h> 14#include <linux/kernel.h>
15#include "debug.h"
15 16
16static int build_id__mark_dso_hit(event_t *event, struct perf_session *session) 17static int build_id__mark_dso_hit(event_t *event, struct perf_session *session)
17{ 18{
@@ -34,28 +35,43 @@ static int build_id__mark_dso_hit(event_t *event, struct perf_session *session)
34 return 0; 35 return 0;
35} 36}
36 37
38static int event__exit_del_thread(event_t *self, struct perf_session *session)
39{
40 struct thread *thread = perf_session__findnew(session, self->fork.tid);
41
42 dump_printf("(%d:%d):(%d:%d)\n", self->fork.pid, self->fork.tid,
43 self->fork.ppid, self->fork.ptid);
44
45 if (thread) {
46 rb_erase(&thread->rb_node, &session->threads);
47 session->last_match = NULL;
48 thread__delete(thread);
49 }
50
51 return 0;
52}
53
37struct perf_event_ops build_id__mark_dso_hit_ops = { 54struct perf_event_ops build_id__mark_dso_hit_ops = {
38 .sample = build_id__mark_dso_hit, 55 .sample = build_id__mark_dso_hit,
39 .mmap = event__process_mmap, 56 .mmap = event__process_mmap,
40 .fork = event__process_task, 57 .fork = event__process_task,
58 .exit = event__exit_del_thread,
41}; 59};
42 60
43char *dso__build_id_filename(struct dso *self, char *bf, size_t size) 61char *dso__build_id_filename(struct dso *self, char *bf, size_t size)
44{ 62{
45 char build_id_hex[BUILD_ID_SIZE * 2 + 1]; 63 char build_id_hex[BUILD_ID_SIZE * 2 + 1];
46 const char *home;
47 64
48 if (!self->has_build_id) 65 if (!self->has_build_id)
49 return NULL; 66 return NULL;
50 67
51 build_id__sprintf(self->build_id, sizeof(self->build_id), build_id_hex); 68 build_id__sprintf(self->build_id, sizeof(self->build_id), build_id_hex);
52 home = getenv("HOME");
53 if (bf == NULL) { 69 if (bf == NULL) {
54 if (asprintf(&bf, "%s/%s/.build-id/%.2s/%s", home, 70 if (asprintf(&bf, "%s/.build-id/%.2s/%s", buildid_dir,
55 DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2) < 0) 71 build_id_hex, build_id_hex + 2) < 0)
56 return NULL; 72 return NULL;
57 } else 73 } else
58 snprintf(bf, size, "%s/%s/.build-id/%.2s/%s", home, 74 snprintf(bf, size, "%s/.build-id/%.2s/%s", buildid_dir,
59 DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2); 75 build_id_hex, build_id_hex + 2);
60 return bf; 76 return bf;
61} 77}