diff options
| author | Stephane Eranian <[email protected]> | 2013-01-24 16:10:40 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2013-04-01 12:22:00 -0300 |
| commit | bad4091791b0bb8c2d7919ddefe2f0d109299b5a (patch) | |
| tree | b551d801c52d221b3d0f11037d70272388322797 | |
| parent | 028f12ee6beff0961781c5ed3f740e5f3b56f781 (diff) | |
perf machine: Detect data vs. text mappings
Leverages the PERF_RECORD_MISC_MMAP_DATA bit in the RECORD_MMAP record
header. When the bit is set then the mapping type is set to
MAP__VARIABLE.
Signed-off-by: Stephane Eranian <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/util/machine.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index d77ba869d7ed..b2ecad6ec46b 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -955,6 +955,7 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; struct thread *thread; struct map *map; + enum map_type type; int ret = 0; if (dump_trace) @@ -971,10 +972,17 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event thread = machine__findnew_thread(machine, event->mmap.pid); if (thread == NULL) goto out_problem; + + if (event->header.misc & PERF_RECORD_MISC_MMAP_DATA) + type = MAP__VARIABLE; + else + type = MAP__FUNCTION; + map = map__new(&machine->user_dsos, event->mmap.start, event->mmap.len, event->mmap.pgoff, event->mmap.pid, event->mmap.filename, - MAP__FUNCTION); + type); + if (map == NULL) goto out_problem; |