diff options
| author | Anton Blanchard <anton@samba.org> | 2010-04-03 11:53:31 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-04-03 13:20:31 (GMT) |
| commit | 4af8b35db6634dd1e0d616de689582b6c93550af (patch) | |
| tree | d2b00ffa4df4e3080467347038b1ea65a2d4da8c /tools/perf | |
| parent | e206d556c5793ac5e28c0aaba2e07432e5f9a098 (diff) | |
| download | linux-4af8b35db6634dd1e0d616de689582b6c93550af.tar.xz | |
perf symbols: Fill in pgoff in mmap synthesized events
When we synthesize mmap events we need to fill in the pgoff field.
I wasn't able to test this completely since I couldn't find an
executable region with a non 0 offset. We will see it when we start
doing data profiling.
Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: David Miller <davem@davemloft.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20100403115331.GK5594@kryten>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/event.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 052eaec..571fb25 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -130,6 +130,7 @@ static int event__synthesize_mmap_events(pid_t pid, pid_t tgid, continue; pbf += n + 3; if (*pbf == 'x') { /* vm_exec */ + u64 vm_pgoff; char *execname = strchr(bf, '/'); /* Catch VDSO */ @@ -139,6 +140,14 @@ static int event__synthesize_mmap_events(pid_t pid, pid_t tgid, if (execname == NULL) continue; + pbf += 3; + n = hex2u64(pbf, &vm_pgoff); + /* pgoff is in bytes, not pages */ + if (n >= 0) + ev.mmap.pgoff = vm_pgoff << getpagesize(); + else + ev.mmap.pgoff = 0; + size = strlen(execname); execname[size - 1] = '\0'; /* Remove \n */ memcpy(ev.mmap.filename, execname, size); |