Current perf_event__synthesize_mmap_events() only deals with executable mappings. With recently added memory access sampling, non-executable data mappings are needed also.
Cc: Stephane Eranian <[email protected]> Signed-off-by: Namhyung Kim <[email protected]> --- tools/perf/util/event.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 3cf2c3e0605f..06e4d57a9e29 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -210,11 +210,15 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, &event->mmap.start, &event->mmap.len, prot, &event->mmap.pgoff, execname); - if (prot[2] != 'x') - continue; + if (prot[2] == 'x' && !strcmp(execname, "")) + strcpy(execname, anonstr); + /* ignore non-executable anon mappings */ if (!strcmp(execname, "")) - strcpy(execname, anonstr); + continue; + + if (prot[2] != 'x') + event->header.misc |= PERF_RECORD_MISC_MMAP_USER; size = strlen(execname) + 1; memcpy(event->mmap.filename, execname, size); -- 1.7.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
