From: Andi Kleen <ak@muc.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] Latency Tracer, voluntary-preempt-2.6.8-rc4-O6
Date: Fri, 13 Aug 2004 14:08:17 +0200 [thread overview]
Message-ID: <m31xibtf4e.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <2sHu9-2EW-31@gated-at.bofh.it> (Ingo Molnar's message of "Fri, 13 Aug 2004 12:30:17 +0200")
Ingo Molnar <mingo@elte.hu> writes:
> * Lee Revell <rlrevell@joe-job.com> wrote:
>
>> Interesting results. One of the problems is kallsyms_lookup,
>> triggered by the printks:
>
> yeah - kallsyms_lookup does a linear search over thousands of symbols.
> Especially since /proc/latency_trace uses it too it would be worthwile
> to implement some sort of binary searching.
Or just stick some cond_sched()s in there. It was designed to be slow,
but there are no locking issues.
-Andi
next parent reply other threads:[~2004-08-13 12:08 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2m9bF-kH-13@gated-at.bofh.it>
[not found] ` <2m9EG-Js-5@gated-at.bofh.it>
[not found] ` <2md5B-36u-11@gated-at.bofh.it>
[not found] ` <2mkTt-BZ-11@gated-at.bofh.it>
[not found] ` <2nrJd-7Dx-19@gated-at.bofh.it>
[not found] ` <2ouFe-2vz-63@gated-at.bofh.it>
[not found] ` <2rfT9-5wi-17@gated-at.bofh.it>
[not found] ` <2rF1c-6Iy-7@gated-at.bofh.it>
[not found] ` <2sxEs-46P-1@gated-at.bofh.it>
[not found] ` <2sCkH-7i5-15@gated-at.bofh.it>
[not found] ` <2sHu9-2EW-31@gated-at.bofh.it>
2004-08-13 12:08 ` Andi Kleen [this message]
2004-08-13 12:15 ` [patch] Latency Tracer, voluntary-preempt-2.6.8-rc4-O6 Ingo Molnar
2004-08-13 12:16 ` Ingo Molnar
2004-08-13 12:18 ` Andi Kleen
2004-08-13 13:51 ` Ingo Molnar
2004-08-14 4:50 ` Paulo Marques
2004-08-14 5:01 ` Lee Revell
2004-08-14 13:35 ` Paulo Marques
2004-08-14 16:49 ` Lee Revell
2004-08-14 7:15 ` Ingo Molnar
2004-08-14 13:32 ` Paulo Marques
2004-08-14 12:17 ` Keith Owens
2004-08-15 0:21 ` Paulo Marques
2004-08-17 12:14 ` Paulo Marques
2004-08-17 13:05 ` Keith Owens
2004-08-17 14:02 ` Paulo Marques
2004-08-17 16:23 ` Sam Ravnborg
2004-08-17 17:55 ` Ingo Molnar
2004-08-17 18:17 ` Paulo Marques
2004-08-14 12:41 ` Andi Kleen
2004-08-14 13:45 ` Paulo Marques
2004-07-26 8:23 preempt-timing-2.6.8-rc1 Ingo Molnar
2004-07-26 8:29 ` preempt-timing-2.6.8-rc1 Lee Revell
2004-07-26 8:35 ` [patch] voluntary-preempt-2.6.8-rc2-J3 Ingo Molnar
2004-07-26 9:00 ` Lee Revell
2004-07-26 12:40 ` Ingo Molnar
2004-07-26 20:47 ` [patch] voluntary-preempt-2.6.8-rc2-J7 Ingo Molnar
2004-07-29 22:26 ` [patch] voluntary-preempt-2.6.8-rc2-M5 Ingo Molnar
2004-08-01 19:30 ` [patch] voluntary-preempt-2.6.8-rc2-O2 Ingo Molnar
2004-08-09 10:46 ` [patch] voluntary-preempt-2.6.8-rc3-O4 Ingo Molnar
2004-08-10 13:26 ` [patch] voluntary-preempt-2.6.8-rc3-O5 Ingo Molnar
2004-08-12 23:51 ` [patch] Latency Tracer, voluntary-preempt-2.6.8-rc4-O6 Ingo Molnar
2004-08-13 1:25 ` Lee Revell
2004-08-13 1:31 ` Lee Revell
2004-08-13 2:39 ` Lee Revell
2004-08-13 3:54 ` Lee Revell
2004-08-13 4:23 ` Lee Revell
2004-08-13 4:35 ` Roland Dreier
2004-08-13 4:41 ` Lee Revell
2004-08-13 4:46 ` Roland Dreier
2004-08-13 10:21 ` Ingo Molnar
2004-08-13 10:16 ` Ingo Molnar
2004-08-13 4:49 ` Matt Heler
2004-08-13 9:53 ` Peter Zijlstra
2004-08-13 10:19 ` Ingo Molnar
2004-08-13 10:23 ` Peter Zijlstra
2004-08-13 4:58 ` Lee Revell
2004-08-13 10:22 ` Ingo Molnar
2004-08-13 18:57 ` Lee Revell
2004-08-13 5:27 ` Lee Revell
2004-08-13 5:41 ` Lee Revell
2004-08-13 10:31 ` Ingo Molnar
2004-08-13 19:47 ` Lee Revell
2004-08-16 23:46 ` Lee Revell
2004-08-17 7:48 ` Ingo Molnar
2004-08-17 7:56 ` Lee Revell
2004-08-17 19:18 ` Theodore Ts'o
2004-08-19 10:54 ` Lee Revell
2004-08-19 11:19 ` Lee Revell
2004-08-19 19:30 ` Theodore Ts'o
2004-08-19 22:32 ` Lee Revell
2004-08-19 22:50 ` Lee Revell
2004-08-20 0:10 ` Lee Revell
2004-08-13 7:40 ` Lee Revell
2004-08-13 10:42 ` Florian Schmidt
2004-08-13 10:54 ` Ingo Molnar
2004-08-13 12:03 ` Florian Schmidt
2004-08-13 12:03 ` Ingo Molnar
[not found] ` <20040813145510.60e9e0f3@mango.fruits.de>
2004-08-14 8:57 ` Ingo Molnar
2004-08-14 11:28 ` James Courtier-Dutton
2004-08-14 11:51 ` Ingo Molnar
2004-08-14 12:19 ` James Courtier-Dutton
2004-08-14 12:32 ` Ingo Molnar
2004-08-14 16:52 ` James Courtier-Dutton
2004-08-19 9:10 ` Ingo Molnar
2004-08-19 9:07 ` Ingo Molnar
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=m31xibtf4e.fsf@averell.firstfloor.org \
--to=ak@muc.de \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/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.