Re: [PATCH 3/5] perf trace: Add mmap2 handler

From: David Ahern
Date: Mon Sep 23 2013 - 20:22:44 EST


Arnaldo:

I see this is you perf core tree; the problem exists in Linus' tree so it is needed in your urgent tree as well.

David

On 9/22/13 7:44 PM, David Ahern wrote:
5c5e854b changed perf_event__synthesize_mmap_events to generate MMAP2
events. Since perf-trace does not have a handler for it it dies with a
segfault when trying to process files:

perf trace -i /tmp/perf.data
Segmentation fault

Signed-off-by: David Ahern <dsahern@xxxxxxxxx>
---
tools/perf/builtin-trace.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 9c7f017..f61c968 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1383,6 +1383,7 @@ static int trace__replay(struct trace *trace)

trace->tool.sample = trace__process_sample;
trace->tool.mmap = perf_event__process_mmap;
+ trace->tool.mmap2 = perf_event__process_mmap2;
trace->tool.comm = perf_event__process_comm;
trace->tool.exit = perf_event__process_exit;
trace->tool.fork = perf_event__process_fork;


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