From: Max Kellermann <max-hDT0AjmEH7RAfugRpC6u6w@public.gmane.org>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: Re: High load in 2.6.27, NFS / rpcauth_lookup_credcache()?
Date: Thu, 20 Nov 2008 15:08:30 +0100 [thread overview]
Message-ID: <20081120140830.GA23697@squirrel.roonstrasse.net> (raw)
In-Reply-To: <1227133861.28898.26.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
On 2008/11/19 23:31, Trond Myklebust <trond.myklebust@fys.uio.no> wrote:
> Looking at the above, it seems that you're spending an inordinate amount
> of time in generic_match too.
> Could you see if the following patch helps?
That fixes the problem. The first kernel symbol in oprofile is the
tg3 network driver at 2%.
Max
WARNING: multiple messages have this Message-ID (diff)
From: Max Kellermann <max@duempel.org>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: Re: High load in 2.6.27, NFS / rpcauth_lookup_credcache()?
Date: Thu, 20 Nov 2008 15:08:30 +0100 [thread overview]
Message-ID: <20081120140830.GA23697@squirrel.roonstrasse.net> (raw)
In-Reply-To: <1227133861.28898.26.camel@heimdal.trondhjem.org>
On 2008/11/19 23:31, Trond Myklebust <trond.myklebust@fys.uio.no> wrote:
> Looking at the above, it seems that you're spending an inordinate amount
> of time in generic_match too.
> Could you see if the following patch helps?
That fixes the problem. The first kernel symbol in oprofile is the
tg3 network driver at 2%.
Max
next prev parent reply other threads:[~2008-11-20 14:08 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-22 9:12 High load in 2.6.27, NFS / rpcauth_lookup_credcache()? Max Kellermann
2008-10-22 9:12 ` Max Kellermann
[not found] ` <20081022091207.GA12996-2pNSKKP3PSJxEiad3KpGLI/oZP4lHnOC@public.gmane.org>
2008-10-22 17:56 ` J. Bruce Fields
2008-10-22 17:56 ` J. Bruce Fields
2008-10-23 12:36 ` Max Kellermann
2008-10-23 12:36 ` Max Kellermann
2008-10-23 14:55 ` Trond Myklebust
2008-10-24 8:39 ` Max Kellermann
2008-10-24 8:39 ` Max Kellermann
[not found] ` <20081024083913.GA15197-2pNSKKP3PSJxEiad3KpGLI/oZP4lHnOC@public.gmane.org>
2008-10-24 18:09 ` Trond Myklebust
2008-10-24 18:09 ` Trond Myklebust
2008-10-27 9:58 ` Max Kellermann
2008-10-27 9:58 ` Max Kellermann
[not found] ` <20081027095843.GA10937-2pNSKKP3PSJxEiad3KpGLI/oZP4lHnOC@public.gmane.org>
2008-10-27 15:48 ` Trond Myklebust
2008-10-27 15:48 ` Trond Myklebust
[not found] ` <1225122503.14242.12.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-11-17 12:35 ` Max Kellermann
2008-11-17 12:35 ` Max Kellermann
[not found] ` <20081117123536.GA16539-2pNSKKP3PSJxEiad3KpGLI/oZP4lHnOC@public.gmane.org>
2008-11-19 22:31 ` Trond Myklebust
2008-11-19 22:31 ` Trond Myklebust
[not found] ` <1227133861.28898.26.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-11-20 14:08 ` Max Kellermann [this message]
2008-11-20 14:08 ` Max Kellermann
2008-12-15 23:44 ` Harry Edmon
2008-12-15 23:44 ` Harry Edmon
[not found] ` <4946EBFA.60700-qmPYOCrcNLLyFCzt5hm0YvZ8FUJU4vz8@public.gmane.org>
2008-12-16 13:02 ` Trond Myklebust
2008-12-16 13:02 ` Trond Myklebust
[not found] ` <1229432553.7257.4.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-16 21:21 ` Willy Tarreau
2008-12-16 21:21 ` Willy Tarreau
[not found] ` <20081216212155.GA581-K+wRfnb2/UA@public.gmane.org>
2008-12-16 23:21 ` [stable] " Greg KH
2008-12-16 23:21 ` Greg KH
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