public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
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.
--

  reply	other threads:[~2013-04-26 16:40 UTC|newest]

Thread overview: 41+ 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 14:29     ` Linus Torvalds
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130426163952.GC15361@pd.tnic \
    --to=bp@alien8.de \
    --cc=a.p.zijlstra@chello.nl \
    --cc=davem@davemloft.net \
    --cc=fweisbec@gmail.com \
    --cc=gorcunov@openvz.org \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tip-commits@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=oleg@redhat.com \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --cc=tytso@mit.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox