From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Johannes Stezenbach" <js@sig21.net>,
linux-kernel@vger.kernel.org,
"Steven Rostedt" <rostedt@goodmis.org>,
"Frédéric Weisbecker" <fweisbec@gmail.com>,
"Thomas Gleixner" <tglx@linutronix.de>
Subject: Re: [patch] cache-miss and cache-refs events on P6-mobile CPUs
Date: Tue, 11 Aug 2009 11:39:39 +0200 [thread overview]
Message-ID: <1249983579.17467.156.camel@twins> (raw)
In-Reply-To: <20090811093405.GA13004@elte.hu>
On Tue, 2009-08-11 at 11:34 +0200, Ingo Molnar wrote:
> @@ -116,8 +116,8 @@ static const u64 p6_perfmon_event_map[]
> {
> [PERF_COUNT_HW_CPU_CYCLES] = 0x0079,
> [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
> - [PERF_COUNT_HW_CACHE_REFERENCES] = 0x0000,
> - [PERF_COUNT_HW_CACHE_MISSES] = 0x0000,
> + [PERF_COUNT_HW_CACHE_REFERENCES] = 0x0f2e,
> + [PERF_COUNT_HW_CACHE_MISSES] = 0x012e,
2e is total numer of L2 events,
0f is all mesi states
01 is invalid states
Yes they are numbers, but no they are not full cache refs and misses.
I don't think this is a good patch.
next prev parent reply other threads:[~2009-08-11 12:05 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-07 17:09 2.6.31-rc5 regression: x86 MCE malfunction on Thinkpad T42p Johannes Stezenbach
2009-08-09 10:03 ` Johannes Stezenbach
2009-08-09 10:34 ` Bartlomiej Zolnierkiewicz
2009-08-09 16:47 ` Johannes Stezenbach
2009-08-10 10:31 ` Andi Kleen
2009-08-10 12:27 ` Johannes Stezenbach
2009-08-10 12:32 ` Andi Kleen
2009-08-10 12:56 ` Johannes Stezenbach
2009-08-10 13:29 ` Ingo Molnar
2009-08-10 19:26 ` Johannes Stezenbach
2009-08-10 19:44 ` Andi Kleen
2009-08-10 20:05 ` Robert Richter
2009-08-10 20:14 ` Ingo Molnar
2009-08-10 20:37 ` Johannes Stezenbach
2009-08-10 21:31 ` Ingo Molnar
2009-08-10 22:13 ` Johannes Stezenbach
2009-08-11 9:34 ` [patch] cache-miss and cache-refs events on P6-mobile CPUs Ingo Molnar
2009-08-11 9:39 ` Peter Zijlstra [this message]
2009-08-11 11:06 ` Ingo Molnar
2009-08-11 11:21 ` Peter Zijlstra
2009-08-11 15:50 ` Johannes Stezenbach
2009-08-11 16:56 ` Ingo Molnar
2009-08-11 15:40 ` 2.6.31-rc5 regression: x86 MCE malfunction on Thinkpad T42p Johannes Stezenbach
2009-08-17 14:49 ` Steven Rostedt
2009-08-12 11:59 ` *PING* [PATCH]: x86: mce: fix mce warning with disabled lapic Ingo Molnar
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