[PATCH 6/6] perf tools: Add tracepoint support for parse_events_error

Jiri Olsa
2015-04-18T17:26:22Z

Allowing tracepoint events processing to report back error.

$ perf record -e 'sched:krava' ls
invalid or unsupported event: 'sched:krava'
\___ unknown tracepoint

Link: http://lkml.kernel.org/n/tip-xkbpn3j5of376ag7utcirt8w@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/parse-events.y | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 2dea32458536..d3f963d99e99 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -388,7 +388,13 @@ PE_NAME ':' PE_NAME
struct list_head *list;

ALLOC_LIST(list);
- ABORT_ON(parse_events_add_tracepoint(list, &data->idx, $1, $3));
+ if (parse_events_add_tracepoint(list, &data->idx, $1, $3)) {
+ struct parse_events_error *error = data->error;
+
+ error->idx = @1.first_column;
+ error->str = strdup("unknown tracepoint");
+ return -1;
+ }
$$ = list;
}

--
1.9.3