[PATCH 40/64] perf tools: Add tracepoint support for parse_events_error

From: Arnaldo Carvalho de Melo
Date: Tue Apr 28 2015 - 09:43:31 EST


From: Jiri Olsa <jolsa@xxxxxxxxxx>

Allowing tracepoint events processing to report back error.

$ perf record -e 'sched:krava' ls
event syntax error: 'sched:krava'
\___ unknown tracepoint
...

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Tested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1429729824-13932-9-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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 486247739a39..38a0f21fc433 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

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