All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
	ktkhai@parallels.com
Subject: Re: sched_setscheduler() vs idle_balance() race
Date: Fri, 29 May 2015 20:48:56 +0200	[thread overview]
Message-ID: <1432925336.8727.29.camel@gmail.com> (raw)
In-Reply-To: <1432924227.8727.23.camel@gmail.com>


P.S. intel_idle is not all that wonderful on this box.

-   78.31%  [kernel]       [k] _raw_spin_lock                                                                                                                                                                                              ▒
   - _raw_spin_lock                                                                                                                                                                                                                        ▒
      - 94.91% tick_broadcast_oneshot_control                                                                                                                                                                                              ▒
           intel_idle                                                                                                                                                                                                                      ▒
           cpuidle_enter_state                                                                                                                                                                                                             ▒
           cpuidle_enter                                                                                                                                                                                                                   ▒
         + cpu_startup_entry                                                                                                                                                                                                               ▒
      + 1.63% pull_rt_task                                                                                                                                                                                                                 ▒
      + 1.35% __sched_setscheduler                                                                                                                                                                                                         ▒
      + 1.11% push_rt_task.part.46                                                                                                                                                                                                         ▒
+    2.44%  [kernel]       [k] native_write_msr_safe




  reply	other threads:[~2015-05-29 18:49 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-28  7:43 sched_setscheduler() vs idle_balance() race Mike Galbraith
2015-05-28 11:51 ` Peter Zijlstra
2015-05-28 12:04   ` Mike Galbraith
2015-05-28 12:06     ` Peter Zijlstra
2015-05-28 12:32       ` Mike Galbraith
2015-05-28 13:53 ` Peter Zijlstra
2015-05-28 14:54   ` Mike Galbraith
2015-05-28 15:24     ` Peter Zijlstra
2015-05-29 18:30       ` Mike Galbraith
2015-05-29 18:48         ` Mike Galbraith [this message]
2015-06-01  8:14           ` Peter Zijlstra
2015-06-01  8:16         ` Peter Zijlstra
2015-06-01 10:00           ` Mike Galbraith
2015-05-28 16:59   ` Kirill Tkhai
2015-05-30 13:08   ` Mike Galbraith
2015-05-31  6:39     ` Mike Galbraith
2015-06-01  8:24       ` Peter Zijlstra
2015-06-01  8:19     ` Peter Zijlstra

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=1432925336.8727.29.camel@gmail.com \
    --to=umgwanakikbuti@gmail.com \
    --cc=ktkhai@parallels.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=peterz@infradead.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.