From: Borislav Petkov <bp@alien8.de>
To: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org,
torvalds@linux-foundation.org, a.p.zijlstra@chello.nl,
tytso@mit.edu, davem@davemloft.net, fweisbec@gmail.com,
oleg@redhat.com, tglx@linutronix.de,
linux-tip-commits@vger.kernel.org
Subject: Re: [tip:perf/core] perf/x86/intel/P4: Robistify P4 PMU types
Date: Fri, 26 Apr 2013 18:39:52 +0200 [thread overview]
Message-ID: <20130426163952.GC15361@pd.tnic> (raw)
In-Reply-To: <20130426162444.GC17430@moon>
On Fri, Apr 26, 2013 at 08:24:44PM +0400, Cyrill Gorcunov wrote:
> And if possible some branch instructions testing.
By that you mean, see whether it counts branches?
./perf stat sleep 0
Performance counter stats for 'sleep 0':
2.483869 task-clock # 0.463 CPUs utilized
1 context-switches # 0.403 K/sec
0 cpu-migrations # 0.000 K/sec
168 page-faults # 0.068 M/sec
3,435,630 cycles # 1.383 GHz
736,680 stalled-cycles-frontend # 21.44% frontend cycles idle
656,603 stalled-cycles-backend # 19.11% backend cycles idle
2,932,775 instructions # 0.85 insns per cycle
# 0.25 stalled cycles per insn
590,855 branches # 237.877 M/sec
12,882 branch-misses # 2.18% of all branches
^^^^^^^^^^^^^^^^^^^^
Those above?
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2013-04-26 16:40 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CA+55aFwpLu0qNms=hkQr43yqD0K9DgESNm91OEWKT1ZuT8MU6Q@mail.gmail.com>
2013-04-23 0:23 ` Unsigned widening casts of binary "not" operations Linus Torvalds
2013-04-23 8:59 ` David Laight
2013-04-23 8:59 ` David Laight
2013-04-23 14:29 ` Linus Torvalds
2013-04-23 15:24 ` David Laight
2013-04-23 15:24 ` David Laight
2013-04-23 15:42 ` Linus Torvalds
2013-04-23 15:52 ` Theodore Ts'o
2013-04-23 16:05 ` Linus Torvalds
2013-04-23 17:37 ` David Miller
2013-04-23 17:52 ` Linus Torvalds
2013-04-23 17:56 ` David Miller
2013-04-23 18:21 ` Linus Torvalds
2013-04-24 12:36 ` Geert Uytterhoeven
2013-04-23 0:32 ` H. Peter Anvin
2013-04-23 13:00 ` Theodore Ts'o
2013-04-24 7:26 ` Ingo Molnar
2013-04-24 7:47 ` Cyrill Gorcunov
2013-04-25 1:13 ` Lin Ming
2013-04-24 17:07 ` [PATCH] x86: make DR*_RESERVED unsigned long Oleg Nesterov
2013-04-24 18:45 ` H. Peter Anvin
2013-04-25 14:48 ` Oleg Nesterov
2013-04-26 16:38 ` [PATCH v2] " Oleg Nesterov
2013-04-26 16:44 ` H. Peter Anvin
2013-04-26 17:15 ` Oleg Nesterov
2013-04-27 14:45 ` Oleg Nesterov
2013-04-27 16:20 ` H. Peter Anvin
2013-04-28 0:58 ` Frederic Weisbecker
2013-04-28 17:27 ` Oleg Nesterov
2013-04-28 17:32 ` H. Peter Anvin
2013-04-28 17:39 ` Oleg Nesterov
2013-04-28 17:43 ` H. Peter Anvin
2013-04-24 22:48 ` [PATCH] " Frederic Weisbecker
2013-04-24 23:06 ` H. Peter Anvin
2013-04-24 23:31 ` Frederic Weisbecker
2013-04-25 1:20 ` H. Peter Anvin
2013-04-26 14:20 ` [tip:perf/core] perf/x86/intel/P4: Robistify P4 PMU types tip-bot for Ingo Molnar
2013-04-26 16:13 ` Borislav Petkov
2013-04-26 16:24 ` Cyrill Gorcunov
2013-04-26 16:39 ` Borislav Petkov [this message]
2013-04-26 16:46 ` Cyrill Gorcunov
2013-04-27 16:14 ` Borislav Petkov
2013-04-27 16:33 ` Cyrill Gorcunov
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