[tip:perf/core] perf scripting perl: Do not die() when not founding event for a type

From: tip-bot for Arnaldo Carvalho de Melo
Date: Thu Jan 26 2017 - 10:32:09 EST


Commit-ID: 0a87e7bc6c55dd248270ee0ab4212cd0ef8ea04a
Gitweb: http://git.kernel.org/tip/0a87e7bc6c55dd248270ee0ab4212cd0ef8ea04a
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 24 Jan 2017 13:19:06 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 26 Jan 2017 11:42:59 -0300

perf scripting perl: Do not die() when not founding event for a type

Do just like handling other cases i.e. print some debug message and
ignore the sample.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-t7kzlm3cxyvbd7d9n9554ai9@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/scripting-engines/trace-event-perl.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index e55a132..014ecd6 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -350,8 +350,10 @@ static void perl_process_tracepoint(struct perf_sample *sample,
if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
return;

- if (!event)
- die("ug! no event found for type %" PRIu64, (u64)evsel->attr.config);
+ if (!event) {
+ pr_debug("ug! no event found for type %" PRIu64, (u64)evsel->attr.config);
+ return;
+ }

pid = raw_field_value(event, "common_pid", data);