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| author | Anton Blanchard <anton@samba.org> | 2009-07-16 15:44:29 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-07-18 11:21:30 +0200 |
| commit | 11b5f81e1b0ea0bc84fe32f0a27054e052b2bf84 (patch) | |
| tree | 709942202e3f5f345a66b162cd627bc1bf97dad9 | |
| parent | 413ee3b48ab582ffea33e7e140c7a2c5ea657e9a (diff) | |
| download | op-kernel-dev-11b5f81e1b0ea0bc84fe32f0a27054e052b2bf84.zip op-kernel-dev-11b5f81e1b0ea0bc84fe32f0a27054e052b2bf84.tar.gz | |
perf_counter: Synthesize VDSO mmap event
perf record synthesizes mmap events for the running process.
Right now it just catches file mappings, but we can check for
the vdso symbol and add that too.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090716104817.517264409@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | tools/perf/builtin-record.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4ef78a5..072aaf0 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -313,6 +313,10 @@ static void pid_synthesize_mmap_samples(pid_t pid) if (*pbf == 'x') { /* vm_exec */ char *execname = strchr(bf, '/'); + /* Catch VDSO */ + if (execname == NULL) + execname = strstr(bf, "[vdso]"); + if (execname == NULL) continue; |
