perf script: Check if evsel has callchains before trying to use it
We were checking just if callchain processing was asked for by the
user, not if the evsel itself has callchains, and since we can have
some evsels with callchains and others without, check that.
Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 48e940e..b3bf355 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -606,7 +606,7 @@ static int perf_sample__fprintf_start(struct perf_sample *sample,
if (PRINT_FIELD(COMM)) {
if (latency_format)
printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
- else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
+ else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
printed += fprintf(fp, "%s ", thread__comm_str(thread));
else
printed += fprintf(fp, "%16s ", thread__comm_str(thread));
