summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorAnton Blanchard <anton@samba.org>2009-07-16 13:44:29 (GMT)
committerIngo Molnar <mingo@elte.hu>2009-07-18 09:21:30 (GMT)
commit11b5f81e1b0ea0bc84fe32f0a27054e052b2bf84 (patch)
tree709942202e3f5f345a66b162cd627bc1bf97dad9 /tools
parent413ee3b48ab582ffea33e7e140c7a2c5ea657e9a (diff)
downloadlinux-11b5f81e1b0ea0bc84fe32f0a27054e052b2bf84.tar.xz
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>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-record.c4
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;