From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Jaswinder Singh Rajput <jaswinderlinux@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, Lin Ming <ming.m.lin@intel.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: Performance Events hangs with Intel P4 system
Date: Fri, 14 May 2010 20:28:13 +0400 [thread overview]
Message-ID: <20100514162813.GB13509@lenovo> (raw)
In-Reply-To: <AANLkTik6rwpU665xKUWfaOhV-h3Xgm_xeSiXH0Ax-n2u@mail.gmail.com>
On Fri, May 14, 2010 at 09:52:28PM +0530, Jaswinder Singh Rajput wrote:
...
> Yes, this works for me. Now I am not getting general protection fault.
>
> It seems hardware events are not supported for P4 yet.
>
> $ ./perf stat -e
> cycles,instructions,cache-references,cache-misses,branches,branch-misses,bus-cycles
> ls > /dev/null
>
> Performance counter stats for 'ls':
>
> <not counted> cycles
> 601636 instructions # 0.000 IPC (scaled
> from 91.80%)
> <not counted> cache-references
> <not counted> cache-misses
> <not counted> branches
> <not counted> branch-misses
> <not counted> bus-cycles
>
> 0.003364910 seconds time elapsed
Thanks Jaswinder,
it means counters management somehow screwed at moment (it was working before).
I'm working on it.
-- Cyrill
next prev parent reply other threads:[~2010-05-14 16:28 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-13 22:17 Performance Events hangs with Intel P4 system Jaswinder Singh Rajput
2010-05-14 3:19 ` Cyrill Gorcunov
2010-05-14 4:25 ` Jaswinder Singh Rajput
2010-05-14 4:29 ` Cyrill Gorcunov
2010-05-14 6:23 ` Cyrill Gorcunov
2010-05-14 7:52 ` Jaswinder Singh Rajput
2010-05-14 8:41 ` Cyrill Gorcunov
2010-05-14 10:04 ` Cyrill Gorcunov
2010-05-14 10:46 ` Cyrill Gorcunov
2010-05-14 10:56 ` Lin Ming
2010-05-14 11:56 ` Ingo Molnar
2010-05-14 12:07 ` Cyrill Gorcunov
2010-05-14 13:52 ` Cyrill Gorcunov
2010-05-14 14:52 ` Cyrill Gorcunov
2010-05-14 16:22 ` Jaswinder Singh Rajput
2010-05-14 16:28 ` Cyrill Gorcunov [this message]
2010-05-14 16:36 ` Jaswinder Singh Rajput
2010-05-14 16:40 ` Cyrill Gorcunov
2010-05-14 17:48 ` Jaswinder Singh Rajput
2010-05-14 18:01 ` Cyrill Gorcunov
2010-05-14 18:33 ` Jaswinder Singh Rajput
2010-05-14 17:30 ` Cyrill Gorcunov
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