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Re: [PATCH v7 0/6] MIPS performance event support v7

To: Matt Fleming <>
Subject: Re: [PATCH v7 0/6] MIPS performance event support v7
From: Deng-Cheng Zhu <>
Date: Tue, 5 Oct 2010 08:06:26 +0800
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I have a question about your "generalise" patchset: Do you see any issues
or needed changes for the existing x86 (or sparc) Perf and Oprofile code by
merging your patchset?


2010/10/5 Matt Fleming <>:
> On Thu, Sep 30, 2010 at 05:09:14PM +0800, Deng-Cheng Zhu wrote:
>> o Remove function code from pmu.h, keep them duplicated in Oprofile and
>> Perf-events. The duplication would be resolved by the idea of using
>> Perf-events as the Oprofile backend. I'll submit a separate patchset to
>> do this after this one gets merged.
> I dunno if you're aware of this but I've been working on a perf
> backend for OProfile. Currently only ARM and SH are making use of it,
> It would be trivial to add MIPS support but I suspect that would
> require you to rework this patch series. However, what we should try
> to avoid is duplicating any effort of getting perf and OProfile
> working together.
> Would you mind waiting for my patch series to be merged before
> starting work on your perf-OProfile patchset for MIPS? Alternatively,
> you can base your work on,
> git:// 
> perf-oprofile

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