linux-kernel - Re: [PATCH 3/7] perf_counter: ioctl(PERF_COUNTER_IOC

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Date:	Tue, 05 May 2009 11:31:24 -0700
From:	Corey Ashford <cjashfor@...ux.vnet.ibm.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/7] perf_counter: ioctl(PERF_COUNTER_IOC_RESET)

Hi Peter,

Peter Zijlstra wrote:

> +static void perf_counter_reset(struct perf_counter *counter)
> +{
> +	atomic_set(&counter->count, 0);
> +}
> +


Thanks for posting a patch for this issue.

As Ingo said, I think the hardware counter needs to be reset as well as 
the value saved in the perf_counter struct.


Regards,

- Corey

Corey Ashford
Software Engineer
IBM Linux Technology Center, Linux Toolchain
cjashfor@...ibm.com


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