linux-kernel - [RFC PATCH -tip 1/5] perf tools: handle '-' and '*' in trace parsing

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Message-ID: <4E24A699.4070300@bx.jp.nec.com>
Date:	Mon, 18 Jul 2011 17:33:13 -0400
From:	Keiichi KII <k-keiichi@...jp.nec.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	Keiichi KII <k-keiichi@...jp.nec.com>, Ingo Molnar <mingo@...e.hu>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	Tom Zanussi <tzanussi@...il.com>,
	"riel@...hat.com" <riel@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	"BA, Moussa" <Moussa.BA@...onyx.com>
Subject: [RFC PATCH -tip 1/5] perf tools: handle '-' and '*' in trace parsing

From: Keiichi Kii <k-keiichi@...jp.nec.com>

add '-' and '*' to parsing in trace parsing.

Signed-off-by: Keiichi Kii <k-keiichi@...jp.nec.com>
---

 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 0a7ed5b..447f7c0 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -2162,6 +2162,12 @@ static unsigned long long eval_num_arg(void *data, int size,
 		case '+':
 			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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