perf tools: Add default handler for mmap2 events

Commands that do not implement an mmap2 handler should at least not die
with a segfault when processing files with MMAP2 events.

Signed-off-by: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1379900700-5186-5-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 70ffa41518f34a1bbfaa82e67c46a8a22b133f67..37c4718f6be1f3f4db43325b99dab1a01d54bc97 100644 (file)
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -256,6 +256,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool)
                tool->sample = process_event_sample_stub;
        if (tool->mmap == NULL)
                tool->mmap = process_event_stub;
+       if (tool->mmap2 == NULL)
+               tool->mmap2 = process_event_stub;
        if (tool->comm == NULL)
                tool->comm = process_event_stub;
        if (tool->fork == NULL)