linux-kernel - Re: [tip:perf/core] perf events, x86: Add SandyBridge stalled-cycles-frontend/backend events

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Date:	Fri, 06 May 2011 11:51:52 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	mingo@...hat.com, hpa@...or.com, acme@...hat.com,
	linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl,
	efault@....de, fweisbec@...il.com, ming.m.lin@...el.com,
	tglx@...utronix.de, mingo@...e.hu
Cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/core] perf events, x86: Add SandyBridge
 stalled-cycles-frontend/backend events

On Fri, 2011-05-06 at 07:40 +0000, tip-bot for Lin Ming wrote:
> Commit-ID:  e04d1b23f9706186187dcb0be1a752e48dcc540b
> Gitweb:     http://git.kernel.org/tip/e04d1b23f9706186187dcb0be1a752e48dcc540b
> Author:     Lin Ming <ming.m.lin@...el.com>
> AuthorDate: Fri, 6 May 2011 07:14:02 +0000
> Committer:  Ingo Molnar <mingo@...e.hu>
> CommitDate: Fri, 6 May 2011 09:37:03 +0200
> 
> perf events, x86: Add SandyBridge stalled-cycles-frontend/backend events
> 
> Extend the Intel SandyBridge PMU driver with definitions
> for generic front-end and back-end stall events.
> 
> ( As commit 3011203 "perf events, x86: Add Westmere stalled-cycles-frontend/backend
>   events" says, these are only approximations. )

I now get the following build error:

In file included from /home/rostedt/work/autotest/nobackup/linux-test.git/arch/x86/kernel/cpu/perf_event.c:1449:0:
/home/rostedt/work/autotest/nobackup/linux-test.git/arch/x86/kernel/cpu/perf_event_intel.c: In function 'intel_pmu_init':
/home/rostedt/work/autotest/nobackup/linux-test.git/arch/x86/kernel/cpu/perf_event_intel.c:1479:27: error: 'PERF_COUNT_HW_STALLED_CYCLES_FRONTEND' undeclared (first use in this fun
ction)
/home/rostedt/work/autotest/nobackup/linux-test.git/arch/x86/kernel/cpu/perf_event_intel.c:1479:27: note: each undeclared identifier is reported only once for each function it appe
ars in
/home/rostedt/work/autotest/nobackup/linux-test.git/arch/x86/kernel/cpu/perf_event_intel.c:1481:27: error: 'PERF_COUNT_HW_STALLED_CYCLES_BACKEND' undeclared (first use in this func
tion)

Config can be found here:

http://rostedt.homelinux.com/private/config-sandy-failed

-- Steve


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