linux-kernel - [RFC][PATCH 9/9] perf top: set perf_event_attr->pmu

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Message-Id: <1273483760.15998.63.camel@minggr.sh.intel.com>
Date:	Mon, 10 May 2010 17:29:20 +0800
From:	Lin Ming <ming.m.lin@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	"eranian@...il.com" <eranian@...il.com>,
	"Gary.Mohr@...l.com" <Gary.Mohr@...l.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	"arjan@...ux.intel.com" <arjan@...ux.intel.com>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Paul Mackerras <paulus@...ba.org>,
	"David S. Miller" <davem@...emloft.net>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Paul Mundt <lethal@...ux-sh.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: [RFC][PATCH 9/9] perf top: set perf_event_attr->pmu_id

This is just a temporary patch to show the setting of
perf_event_attr->pmu_id. 

Signed-off-by: Lin Ming <ming.m.lin@...el.com>
---
 tools/perf/builtin-top.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index ed9b5b6..f775393 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1213,6 +1213,11 @@ static void start_counter(int i, int counter)
 
 	attr = attrs + counter;
 
+	/*
+	 * TBD: in the future, may read /sys/devices/system/cpu/pmus/<pmu_id> 
+	 * to get the pmu id
+	 */
+	attr.pmu_id = 0;
 	attr->sample_type	= PERF_SAMPLE_IP | PERF_SAMPLE_TID;
 
 	if (freq) {


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