From: Peter Zijlstra <peterz@infradead.org>
To: eranian@gmail.com
Cc: LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Robert Richter <robert.richter@amd.com>,
Paul Mackerras <paulus@samba.org>,
Andi Kleen <andi@firstfloor.org>,
Maynard Johnson <mpjohn@us.ibm.com>, Carl Love <cel@us.ibm.com>,
Corey J Ashford <cjashfor@us.ibm.com>,
Philip Mucci <mucci@eecs.utk.edu>,
Dan Terpstra <terpstra@eecs.utk.edu>,
perfmon2-devel <perfmon2-devel@lists.sourceforge.net>
Subject: Re: comments on Performance Counters for Linux (PCL)
Date: Thu, 28 May 2009 18:47:36 +0200 [thread overview]
Message-ID: <1243529256.6645.78.camel@laptop> (raw)
In-Reply-To: <1243527919.6645.75.camel@laptop>
On Thu, 2009-05-28 at 18:25 +0200, Peter Zijlstra wrote:
> > - uint64_t exclude_*
> >
> > It seems those fields were added to support the generic HW events. But
> > I think they are confusing and their semantic is not quite clear.
> >
> > Furthermore, aren't they irrelevant for the SW events?
>
> They are.
It seems I can't read. They are _not_ irrelevant, sw events do honour
them. We can for instance distinguish between the kernel causing a
pagefualt and userspace doing so.
next prev parent reply other threads:[~2009-05-28 16:47 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-28 14:58 comments on Performance Counters for Linux (PCL) stephane eranian
2009-05-28 16:25 ` Peter Zijlstra
2009-05-28 16:47 ` Peter Zijlstra [this message]
2009-05-28 21:06 ` [perfmon2] " Corey Ashford
2009-05-28 21:35 ` Ingo Molnar
2009-05-28 23:24 ` Paul Mackerras
2009-05-29 7:19 ` Ingo Molnar
2009-05-29 8:21 ` Geert Uytterhoeven
2009-05-29 14:42 ` Carl Love
2009-05-30 19:16 ` Ingo Molnar
2009-05-29 10:50 ` stephane eranian
2009-05-29 10:53 ` stephane eranian
2009-05-29 6:51 ` Andi Kleen
2009-05-29 8:19 ` Peter Zijlstra
2009-05-29 8:53 ` Andi Kleen
2009-05-29 16:13 ` [perfmon2] " Luck, Tony
2009-05-29 10:43 ` stephane eranian
2009-05-29 15:02 ` Peter Zijlstra
2009-05-29 15:59 ` stephane eranian
2009-05-29 20:32 ` Peter Zijlstra
2009-05-29 20:49 ` stephane eranian
-- strict thread matches above, loose matches on Subject: below --
2009-05-28 14:53 eranian
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