linux-kernel - [tip:perf/core] perf tools: Handle - and + in parsing trace print format

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Date:	Thu, 15 Oct 2009 08:50:54 GMT
From:	tip-bot for Steven Rostedt <srostedt@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, hpa@...or.com,
	mingo@...hat.com, peterz@...radead.org, fweisbec@...il.com,
	srostedt@...hat.com, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/core] perf tools: Handle - and + in parsing trace print format

Commit-ID:  afdf1a404eed236d6f762ee44cc0f1dcc97206e0
Gitweb:     http://git.kernel.org/tip/afdf1a404eed236d6f762ee44cc0f1dcc97206e0
Author:     Steven Rostedt <srostedt@...hat.com>
AuthorDate: Wed, 14 Oct 2009 15:43:43 -0400
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 15 Oct 2009 10:42:40 +0200

perf tools: Handle - and + in parsing trace print format

The opterators '-' and '+' are not handled in the trace print
format.

To do: '++' and '--'.

Signed-off-by: Steven Rostedt <srostedt@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
LKML-Reference: <20091014194400.330843045@...dmis.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 tools/perf/util/trace-event-parse.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index fde1a43..2d424ff 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -2106,6 +2106,12 @@ static unsigned long long eval_num_arg(void *data, int size,
 				die("unknown op '%s'", arg->op.op);
 			val = left == right;
 			break;
+		case '-':
+			val = left - right;
+			break;
+		case '+':
+			val = left + right;
+			break;
 		default:
 			die("unknown op '%s'", arg->op.op);
 		}
--
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