linux-kernel - Re: [PATCH] perf: correct SNOOPX field offset

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Message-ID: <20200901173405.GI29142@worktop.programming.kicks-ass.net>
Date:   Tue, 1 Sep 2020 19:34:05 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Al Grant <al.grant@...s.arm.com>,
        Andi Kleen <ak@...ux.intel.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: correct SNOOPX field offset

On Tue, Sep 01, 2020 at 12:58:34PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Sep 01, 2020 at 05:12:04PM +0200, peterz@...radead.org escreveu:
> > On Tue, Sep 01, 2020 at 12:06:30PM -0300, Arnaldo Carvalho de Melo wrote:
> > 
> > > Also you mixed up tools/ with include/ things, the perf part of the
> > > kernel is maintained by Ingo, PeterZ.
> > 
> > Right, it helps if the right people are on Cc.
> > 
> > > Peter, the patch is the one below, I'll collect the
> > > tools/include/uapi/linux/perf_event.h bit as it fixes the tooling,
> > > please consider taking the kernel part.
> > 
> > Al, can you resend with the right people on Cc? Also see below.
> > 
> > > ---
> > > 
> > > From:   Al Grant <al.grant@...s.arm.com>
> > > Subject: [PATCH] perf: correct SNOOPX field offset
> > > Message-ID: <9974f2d0-bf7f-518e-d9f7-4520e5ff1bb0@...s.arm.com>
> > > Date:   Mon, 24 Aug 2020 10:28:34 +0100
> > > 
> > > perf_event.h has macros that define the field offsets in the
> > > data_src bitmask in perf records. The SNOOPX and REMOTE offsets
> > > were both 37. These are distinct fields, and the bitfield layout
> > > in perf_mem_data_src confirms that SNOOPX should be at offset 38.
> > > 
> > 
> > This needs a Fixes: tag.
> 
> He provided it in a later message, here it goes:
> 
>     Fixes: 52839e653b5629bd ("perf tools: Add support for printing new mem_info encodings")
> 
> Also Andi has provided this:
> 
>     Reviewed-by: Andi Kleen <ak@...ux.intel.com>

Have him send a new and complete patch, we're not an editing service.