From: Andi Kleen <ak@suse.de>
To: "David S. Miller" <davem@davemloft.net>
Cc: herbert@gondor.apana.org.au, niv@us.ibm.com,
andy.grover@gmail.com, anton@samba.org, netdev@oss.sgi.com
Subject: Re: bad TSO performance in 2.6.9-rc2-BK
Date: Wed, 29 Sep 2004 01:55:34 +0200 [thread overview]
Message-ID: <20040929015534.3b39b720.ak@suse.de> (raw)
In-Reply-To: <20040928163509.624a748b.davem@davemloft.net>
On Tue, 28 Sep 2004 16:35:09 -0700
"David S. Miller" <davem@davemloft.net> wrote:
> On Wed, 29 Sep 2004 01:27:57 +0200
> Andi Kleen <ak@suse.de> wrote:
>
> > I tried to re-test it but I didn't get very far because the kernel
> > with your patch crashes regularly during netperf. No serial console,
> > but the backtrace is {tcp_ack+877} {tcp_rcv_established+350} ...
> > Before that there are a few "retrans out leaked" messages.
>
> You might be missing the topmost part of the backtrace which is probably
> in tcp_clean_rtx_queue() or even more likely tcp_tso_acked() where there
> are several assertions present.
>
> I guess your compiler is auto-inlining those functions for you,
> can you reproduce the crash with perhaps the noinline attribute
> added to those two functions I mention above so we can get a
> precise backtrace?
Hmpf, it stopped crashing after I recompiled without -funit-at-a-time
Maybe it is some compiler issue.
-Andi
next prev parent reply other threads:[~2004-09-28 23:55 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-20 6:30 bad TSO performance in 2.6.9-rc2-BK Anton Blanchard
2004-09-20 15:54 ` Nivedita Singhvi
2004-09-21 15:55 ` Anton Blanchard
2004-09-20 20:30 ` Andi Kleen
2004-09-21 22:58 ` David S. Miller
2004-09-22 14:00 ` Andi Kleen
2004-09-22 18:12 ` David S. Miller
2004-09-22 19:55 ` Andi Kleen
2004-09-22 20:07 ` Nivedita Singhvi
2004-09-22 20:30 ` David S. Miller
2004-09-22 20:56 ` Nivedita Singhvi
2004-09-22 21:56 ` Andi Kleen
2004-09-22 22:04 ` David S. Miller
2004-09-22 20:12 ` Andrew Grover
2004-09-22 20:39 ` David S. Miller
2004-09-22 22:06 ` Andi Kleen
2004-09-22 22:25 ` David S. Miller
2004-09-22 22:47 ` Andi Kleen
2004-09-22 22:50 ` David S. Miller
2004-09-23 23:11 ` David S. Miller
2004-09-23 23:41 ` Herbert Xu
2004-09-23 23:41 ` David S. Miller
2004-09-24 0:12 ` Herbert Xu
2004-09-24 0:40 ` Herbert Xu
2004-09-24 1:07 ` Herbert Xu
2004-09-24 1:17 ` David S. Miller
2004-09-27 1:27 ` Herbert Xu
2004-09-27 2:50 ` Herbert Xu
2004-09-27 4:00 ` David S. Miller
2004-09-27 5:45 ` Herbert Xu
2004-09-27 19:01 ` David S. Miller
2004-09-27 21:32 ` Herbert Xu
2004-09-28 21:10 ` David S. Miller
2004-09-28 21:34 ` Andi Kleen
2004-09-28 21:53 ` David S. Miller
2004-09-28 22:33 ` Andi Kleen
2004-09-28 22:57 ` David S. Miller
2004-09-28 23:27 ` Andi Kleen
2004-09-28 23:35 ` David S. Miller
2004-09-28 23:55 ` Andi Kleen [this message]
2004-09-29 0:04 ` David S. Miller
2004-09-29 20:58 ` John Heffner
2004-09-29 21:10 ` Nivedita Singhvi
2004-09-29 21:50 ` David S. Miller
2004-09-29 21:56 ` Andi Kleen
2004-09-29 23:29 ` David S. Miller
2004-09-29 23:51 ` John Heffner
2004-09-30 0:03 ` David S. Miller
2004-09-30 0:10 ` Herbert Xu
2004-10-01 0:34 ` David S. Miller
2004-10-01 1:12 ` David S. Miller
2004-10-01 3:40 ` David S. Miller
2004-10-01 10:35 ` Andi Kleen
2004-10-01 10:23 ` Andi Kleen
2004-09-30 0:10 ` John Heffner
2004-09-30 17:25 ` John Heffner
2004-09-30 20:23 ` David S. Miller
2004-09-30 0:05 ` Herbert Xu
2004-09-30 4:33 ` David S. Miller
2004-09-30 5:47 ` Herbert Xu
2004-09-30 7:39 ` David S. Miller
2004-09-30 8:09 ` Herbert Xu
2004-09-30 9:29 ` Andi Kleen
2004-09-30 20:20 ` David S. Miller
2004-09-29 3:27 ` John Heffner
2004-09-29 9:01 ` Andi Kleen
2004-09-29 19:56 ` David S. Miller
2004-09-29 20:56 ` Andi Kleen
2004-09-29 21:17 ` David S. Miller
2004-09-29 21:00 ` David S. Miller
2004-09-29 21:16 ` Nivedita Singhvi
2004-09-29 21:22 ` David S. Miller
2004-09-29 21:43 ` Andi Kleen
2004-09-29 21:51 ` John Heffner
2004-09-29 21:52 ` David S. Miller
2004-09-24 8:30 ` Andi Kleen
2004-09-27 22:38 ` John Heffner
2004-09-27 23:04 ` David S. Miller
2004-09-27 23:25 ` Andi Kleen
2004-09-27 23:37 ` David S. Miller
2004-09-27 23:51 ` Andi Kleen
2004-09-28 0:15 ` David S. Miller
2004-09-27 23:36 ` Herbert Xu
2004-09-28 0:13 ` David S. Miller
2004-09-28 0:34 ` Herbert Xu
2004-09-28 4:59 ` David S. Miller
2004-09-28 5:15 ` Herbert Xu
2004-09-28 5:58 ` David S. Miller
2004-09-28 6:45 ` Nivedita Singhvi
2004-09-28 7:20 ` Nivedita Singhvi
2004-09-28 20:38 ` David S. Miller
2004-09-28 7:23 ` Nivedita Singhvi
2004-09-28 8:23 ` Herbert Xu
2004-09-28 12:53 ` John Heffner
2004-09-22 20:28 ` David S. Miller
[not found] <Pine.NEB.4.33.0409301625560.13549-100000@dexter.psc.edu>
2004-10-02 1:32 ` John Heffner
2004-10-04 20:07 ` David S. Miller
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=20040929015534.3b39b720.ak@suse.de \
--to=ak@suse.de \
--cc=andy.grover@gmail.com \
--cc=anton@samba.org \
--cc=davem@davemloft.net \
--cc=herbert@gondor.apana.org.au \
--cc=netdev@oss.sgi.com \
--cc=niv@us.ibm.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.