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Message-ID: <tip-d1cae34d6fda59391e1b06ac1642ef4a740ba3ef@git.kernel.org>
Date:	Thu, 10 May 2012 23:48:46 -0700
From:	tip-bot for David Ahern <dsahern@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com,
	mingo@...nel.org, dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf record:
  Reset event name when falling back to cpu-clock

Commit-ID:  d1cae34d6fda59391e1b06ac1642ef4a740ba3ef
Gitweb:     http://git.kernel.org/tip/d1cae34d6fda59391e1b06ac1642ef4a740ba3ef
Author:     David Ahern <dsahern@...il.com>
AuthorDate: Tue, 8 May 2012 10:50:11 -0600
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 9 May 2012 12:02:10 -0300

perf record: Reset event name when falling back to cpu-clock

perf-record defaults to the H/W cycles event and if it is not supported
falls back to cpu-clock. Reset the event name as well.

Signed-off-by: David Ahern <dsahern@...il.com>
Link: http://lkml.kernel.org/r/1336495811-58461-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-record.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 1a9098c..d19058a 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -256,6 +256,10 @@ try_again:
 						    "trying to fall back to cpu-clock-ticks\n");
 				attr->type = PERF_TYPE_SOFTWARE;
 				attr->config = PERF_COUNT_SW_CPU_CLOCK;
+				if (pos->name) {
+					free(pos->name);
+					pos->name = NULL;
+				}
 				goto try_again;
 			}
 
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