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From: Frederic Weisbecker <fweisbec@gmail.com>
To: Stephane Eranian <eranian@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org,
	davem@davemloft.net, robert.richter@amd.com,
	perfmon2-devel@lists.sf.net, eranian@gmail.com
Subject: Re: [PATCH] perf_events: fix bogus warn_on(_once) in perf_prepare_sample()
Date: Thu, 8 Apr 2010 23:17:29 +0200	[thread overview]
Message-ID: <20100408211727.GA7990@nowhere> (raw)
In-Reply-To: <g2rbd4cb8901004081414l505e6b04td902794f381224af@mail.gmail.com>

On Thu, Apr 08, 2010 at 11:14:15PM +0200, Stephane Eranian wrote:
> On Thu, Apr 8, 2010 at 11:11 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> > On Thu, 2010-04-08 at 23:08 +0200, Stephane Eranian wrote:
> >>
> >> Are you suggesting you add some padding the PEBS raw sample you
> >> return as PERF_SAMPLE_RAW? Then you need to define what RAW
> >> actually means? Seems here, it would mean more than what the
> >> HW returns.
> >
> > Well, RAW doesn't mean anything much at all, its really a fugly pass
> > some crap around thing.
> >
> > So yeah, adding padding seems just fine.
> >
> I would rather see size as u64. Who's using raw today anyway?


The trace events. Hence the size of the size shouldn't be touched, it
is an ABI now.


  reply	other threads:[~2010-04-08 21:17 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-08 20:45 [PATCH] perf_events: fix bogus warn_on(_once) in perf_prepare_sample() Stephane Eranian
2010-04-08 20:55 ` Peter Zijlstra
2010-04-08 21:03   ` Peter Zijlstra
2010-04-08 21:18     ` Stephane Eranian
2010-04-08 21:24       ` Peter Zijlstra
2010-04-08 21:33         ` Stephane Eranian
2010-04-08 21:08   ` Stephane Eranian
2010-04-08 21:11     ` Peter Zijlstra
2010-04-08 21:14       ` Stephane Eranian
2010-04-08 21:17         ` Frederic Weisbecker [this message]
2010-04-08 21:22           ` Stephane Eranian
2010-04-08 21:42             ` Frederic Weisbecker
2010-04-08 21:46             ` Frederic Weisbecker
2010-04-08 21:23         ` Peter Zijlstra
2010-04-08 21:12     ` Peter Zijlstra
2010-04-08 21:15     ` Peter Zijlstra
2010-04-08 21:29       ` Stephane Eranian
2010-04-08 21:42         ` Peter Zijlstra

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