[PATCH 1/5] perf tools: Fix segfault when using -s trace_fields

[Namhyung Kim]

When the 'trace_fields' sort key is used explicitly for non-tracepoint
events, it'll get segfault since it assumed evsel->tp_format was set.
Skip those events in add_all_dynamic_fields().

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
 tools/perf/util/sort.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index e558e87cafaf..59c4c8586d79 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1955,6 +1955,9 @@ static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace)
 	struct perf_evsel *evsel;
 
 	evlist__for_each(evlist, evsel) {
+		if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
+			continue;
+
 		ret = add_evsel_fields(evsel, raw_trace);
 		if (ret < 0)
 			return ret;
-- 
2.6.4

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