Messages in this thread Patch in this message |  | | From | Stephane Eranian <> | Subject | [PATCH v4 16/18] perf tools: detect data vs. text mappings | Date | Thu, 20 Dec 2012 16:41:46 +0100 |
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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 <eranian@google.com> --- tools/perf/util/machine.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 1f09d05..d1c3e48 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -379,6 +379,7 @@ 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) @@ -395,10 +396,17 @@ 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; -- 1.7.9.5
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