linux-kernel - [PATCH 2/5] tools lib traceevent: handle the '->' operator

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Date:	Mon, 17 Mar 2014 18:26:35 -0400
From:	Ramkumar Ramachandra <artagnon@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 2/5] tools lib traceevent: handle the '->' operator

perf test emits the following warning:

  $ perf test
   5: parse events tests
    ...
    Warning: unknown op '->'
    ...

Add the operator to the checks.

Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@...il.com>
---
 tools/lib/traceevent/event-parse.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 1587ea39..42bc571 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -1759,6 +1759,8 @@ static int get_op_prio(char *op)
 			return 14;
 		} else if (strcmp(op, "||") == 0) {
 			return 15;
+		} else if (strcmp(op, "->") == 0) {
+			return 17;
 		} else {
 			do_warning("unknown op '%s'", op);
 			return -1;
@@ -1858,7 +1860,8 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
 		   strcmp(token, "<=") == 0 ||
 		   strcmp(token, ">=") == 0 ||
 		   strcmp(token, "==") == 0 ||
-		   strcmp(token, "!=") == 0) {
+		   strcmp(token, "!=") == 0 ||
+		   strcmp(token, "->") == 0) {
 
 		left = alloc_arg();
 		if (!left)
-- 
1.9.0.431.g014438b

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