From: george anzinger <george@mvista.com>
To: Roger Larsson <roger.larsson@skelleftea.mail.telia.com>
Cc: linux-kernel@vger.kernel.org, Robert Love <rml@tech9.net>
Subject: Re: [PATCH] latency-profiling
Date: Thu, 20 Sep 2001 12:55:33 -0700 [thread overview]
Message-ID: <3BAA49B5.E02FA5E7@mvista.com> (raw)
In-Reply-To: <200109200609.f8K69uQ26778@mailc.telia.com>
Roger Larsson wrote:
>
> Hi,
>
> I ported my old latency-profiling patch to 2.4.10-pre10 with
> the reschedulable kernel patch. (I have not checked that it is
> preemption safe itself...)
>
> This patch works a little different from Robert Loves.
> Since it samples the execution location at ticks.
> It is possible to instrument an ordinary kernel too...
It gives experienced latencies rather than potential latencies, but more
important from the developer/maintainers point of view, "Robert Loves"
patch provides information on the bad guys, i.e. the reason for the long
latency, which, hopefully, will allow them to be addressed by competent
maintainers.
George
next prev parent reply other threads:[~2001-09-20 19:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-20 6:05 [PATCH] latency-profiling Roger Larsson
2001-09-20 19:55 ` george anzinger [this message]
2001-09-20 20:31 ` Roger Larsson
2001-09-20 20:17 ` Karim Yaghmour
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=3BAA49B5.E02FA5E7@mvista.com \
--to=george@mvista.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rml@tech9.net \
--cc=roger.larsson@skelleftea.mail.telia.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox