From: Peter Zijlstra <peterz@infradead.org>
To: Tim Pepper <tpepper@gmail.com>
Cc: "Ingo Molnar" <mingo@elte.hu>,
linux-kernel <linux-kernel@vger.kernel.org>,
"Török Edwin" <edwintorok@gmail.com>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Bill Huey" <billh@gnuppy.monkey.org>,
"Arnaldo Carvalho de Melo" <acme@ghostprotocols.net>
Subject: Re: [PATCH] lockstat: contend with points
Date: Wed, 22 Oct 2008 09:04:56 +0200 [thread overview]
Message-ID: <1224659096.6724.9.camel@twins> (raw)
In-Reply-To: <eada2a070810211559u6a040d29y11d1235557ac44f3@mail.gmail.com>
On Tue, 2008-10-21 at 15:59 -0700, Tim Pepper wrote:
> On Fri, Oct 17, 2008 at 1:18 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> > +06 &mm->mmap_sem-W: 233 538 18446744073708 22924.27 607243.51 1342 45806 1.71 8595.89 1180582.34
> > +07 &mm->mmap_sem-R: 205 587 18446744073708 28403.36 731975.00 1940 412426 0.58 187825.45 6307502.88
> > +08 ---------------
> > +09 &mm->mmap_sem 487 [<ffffffff8053491f>] do_page_fault+0x466/0x928
> > +10 &mm->mmap_sem 179 [<ffffffff802a6200>] sys_mprotect+0xcd/0x21d
> > +11 &mm->mmap_sem 279 [<ffffffff80210a57>] sys_mmap+0x75/0xce
> > +12 &mm->mmap_sem 76 [<ffffffff802a490b>] sys_munmap+0x32/0x59
> > +13 ---------------
> > +14 &mm->mmap_sem 270 [<ffffffff80210a57>] sys_mmap+0x75/0xce
> > +15 &mm->mmap_sem 431 [<ffffffff8053491f>] do_page_fault+0x466/0x928
> > +16 &mm->mmap_sem 138 [<ffffffff802a490b>] sys_munmap+0x32/0x59
> > +17 &mm->mmap_sem 145 [<ffffffff802a6200>] sys_mprotect+0xcd/0x21d
> > +18
> > +19 ...............................................................................................................................................................................................
> > +20
> > +21 dcache_lock: 621 623 0.52 118.26 1053.02 6745 91930 0.29 316.29 118423.41
> > +22 -----------
> > +23 dcache_lock 179 [<ffffffff80378274>] _atomic_dec_and_lock+0x34/0x54
> > +24 dcache_lock 113 [<ffffffff802cc17b>] d_alloc+0x19a/0x1eb
> > +25 dcache_lock 99 [<ffffffff802ca0dc>] d_rehash+0x1b/0x44
> > +26 dcache_lock 104 [<ffffffff802cbca0>] d_instantiate+0x36/0x8a
> > +27 -----------
> > +28 dcache_lock 192 [<ffffffff80378274>] _atomic_dec_and_lock+0x34/0x54
> > +29 dcache_lock 98 [<ffffffff802ca0dc>] d_rehash+0x1b/0x44
> > +30 dcache_lock 72 [<ffffffff802cc17b>] d_alloc+0x19a/0x1eb
> > +31 dcache_lock 112 [<ffffffff802cbca0>] d_instantiate+0x36/0x8a
>
>
>
> Just out of curiousity...what was running as you collected these?
I think I just booted the machine, didn't run anything much.
prev parent reply other threads:[~2008-10-22 7:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-17 8:18 [PATCH] lockstat: contend with points Peter Zijlstra
2008-10-20 13:43 ` Ingo Molnar
2008-10-21 22:59 ` Tim Pepper
2008-10-22 7:04 ` Peter Zijlstra [this message]
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=1224659096.6724.9.camel@twins \
--to=peterz@infradead.org \
--cc=acme@ghostprotocols.net \
--cc=billh@gnuppy.monkey.org \
--cc=edwintorok@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=rostedt@goodmis.org \
--cc=tpepper@gmail.com \
/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.