Commit-ID: bad4091791b0bb8c2d7919ddefe2f0d109299b5a Gitweb: http://git.kernel.org/tip/bad4091791b0bb8c2d7919ddefe2f0d109299b5a Author: Stephane Eranian <eranian@xxxxxxxxxx> AuthorDate: Thu, 24 Jan 2013 16:10:40 +0100 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitDate: Mon, 1 Apr 2013 12:22:00 -0300 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 <eranian@xxxxxxxxxx> Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Namhyung Kim <namhyung.kim@xxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/1359040242-8269-17-git-send-email-eranian@xxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- 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 d77ba86..b2ecad6 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; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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