linux-kernel - [PATCH] perf trace: remove redundant ')'

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Date:   Tue, 13 Mar 2018 18:40:01 +0800
From:   changbin.du@...el.com
To:     acme@...nel.org, jolsa@...hat.com
Cc:     peterz@...radead.org, mingo@...hat.com, namhyung@...nel.org,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Changbin Du <changbin.du@...el.com>
Subject: [PATCH] perf trace: remove redundant ')'

From: Changbin Du <changbin.du@...el.com>

There is a redundant ')' at the tail of each event. So remove it.
$ sudo perf trace --no-syscalls -e 'kmem:*' -a
   899.342 kmem:kfree:(vfs_writev+0xb9) call_site=ffffffff9c453979 ptr=(nil))
   899.344 kmem:kfree:(___sys_recvmsg+0x188) call_site=ffffffff9c9b8b88 ptr=(nil))

Signed-off-by: Changbin Du <changbin.du@...el.com>
---
 tools/perf/builtin-trace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index e7f1b18..7273f5f 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1959,7 +1959,7 @@ static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel,
 				      trace->output);
 	}
 
-	fprintf(trace->output, ")\n");
+	fprintf(trace->output, "\n");
 
 	if (callchain_ret > 0)
 		trace__fprintf_callchain(trace, sample);
-- 
2.7.4