From: Dipankar Sarma <dipankar@in.ibm.com>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Andrew Morton <akpm@digeo.com>,
lkml <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: 2.5.38-mm3
Date: Sat, 28 Sep 2002 10:59:40 +0530 [thread overview]
Message-ID: <20020928105940.A32125@in.ibm.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0209280053590.32347-100000@montezuma.mastecende.com>; from zwane@linuxpower.ca on Sat, Sep 28, 2002 at 12:54:39AM -0400
On Sat, Sep 28, 2002 at 12:54:39AM -0400, Zwane Mwaikambo wrote:
> On Fri, 27 Sep 2002, William Lee Irwin III wrote:
>
> > On Sat, Sep 28, 2002 at 12:35:30AM -0400, Zwane Mwaikambo wrote:
> > > Mine is a UP box not an SMP kernel, although preempt is enabled;
> > > 0xc013d370 <fget>: push %ebx
> > > 0xc013d371 <fget+1>: mov %eax,%ecx
> > > 0xc013d373 <fget+3>: mov $0xffffe000,%edx
> > > 0xc013d378 <fget+8>: and %esp,%edx
> > > 0xc013d37a <fget+10>: incl 0x4(%edx)
> >
> > Do you have instruction-level profiles to show where the cost is on UP?
>
> Unfortunately no, i was lucky to remember to even be running profile=n on
> this box.
That is sufficient to get instruction level profile. Just use
the hacked readprofile by tridge (it's available somewhere in his
samba.org webpage).
I suspect that inlining fget() will help, not sure whether that is
clean code-wise.
Thanks
--
Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net
Linux Technology Center, IBM Software Lab, Bangalore, India.
WARNING: multiple messages have this Message-ID (diff)
From: Dipankar Sarma <dipankar@in.ibm.com>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Andrew Morton <akpm@digeo.com>,
lkml <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: 2.5.38-mm3
Date: Sat, 28 Sep 2002 10:59:40 +0530 [thread overview]
Message-ID: <20020928105940.A32125@in.ibm.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0209280053590.32347-100000@montezuma.mastecende.com>; from zwane@linuxpower.ca on Sat, Sep 28, 2002 at 12:54:39AM -0400
On Sat, Sep 28, 2002 at 12:54:39AM -0400, Zwane Mwaikambo wrote:
> On Fri, 27 Sep 2002, William Lee Irwin III wrote:
>
> > On Sat, Sep 28, 2002 at 12:35:30AM -0400, Zwane Mwaikambo wrote:
> > > Mine is a UP box not an SMP kernel, although preempt is enabled;
> > > 0xc013d370 <fget>: push %ebx
> > > 0xc013d371 <fget+1>: mov %eax,%ecx
> > > 0xc013d373 <fget+3>: mov $0xffffe000,%edx
> > > 0xc013d378 <fget+8>: and %esp,%edx
> > > 0xc013d37a <fget+10>: incl 0x4(%edx)
> >
> > Do you have instruction-level profiles to show where the cost is on UP?
>
> Unfortunately no, i was lucky to remember to even be running profile=n on
> this box.
That is sufficient to get instruction level profile. Just use
the hacked readprofile by tridge (it's available somewhere in his
samba.org webpage).
I suspect that inlining fget() will help, not sure whether that is
clean code-wise.
Thanks
--
Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net
Linux Technology Center, IBM Software Lab, Bangalore, India.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
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next prev parent reply other threads:[~2002-09-28 5:18 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-26 7:57 2.5.38-mm3 Andrew Morton
2002-09-26 7:57 ` 2.5.38-mm3 Andrew Morton
2002-09-26 12:24 ` 2.5.38-mm3 Dipankar Sarma
2002-09-26 12:24 ` 2.5.38-mm3 Dipankar Sarma
2002-09-26 12:29 ` 2.5.38-mm3 William Lee Irwin III
2002-09-26 12:29 ` 2.5.38-mm3 William Lee Irwin III
2002-09-26 12:40 ` 2.5.38-mm3 Dipankar Sarma
2002-09-26 12:40 ` 2.5.38-mm3 Dipankar Sarma
2002-09-26 12:42 ` 2.5.38-mm3 William Lee Irwin III
2002-09-26 12:42 ` 2.5.38-mm3 William Lee Irwin III
2002-09-26 13:05 ` 2.5.38-mm3 Dipankar Sarma
2002-09-26 13:05 ` 2.5.38-mm3 Dipankar Sarma
2002-09-26 13:17 ` 2.5.38-mm3 William Lee Irwin III
2002-09-26 13:17 ` 2.5.38-mm3 William Lee Irwin III
2002-09-26 13:29 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-26 13:29 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-26 13:39 ` 2.5.38-mm3 William Lee Irwin III
2002-09-26 13:39 ` 2.5.38-mm3 William Lee Irwin III
2002-09-26 13:46 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-26 13:46 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-27 8:27 ` 2.5.38-mm3 Dipankar Sarma
2002-09-27 8:27 ` 2.5.38-mm3 Dipankar Sarma
2002-09-27 9:20 ` 2.5.38-mm3 William Lee Irwin III
2002-09-27 9:20 ` 2.5.38-mm3 William Lee Irwin III
2002-09-27 9:58 ` 2.5.38-mm3 Dipankar Sarma
2002-09-27 9:58 ` 2.5.38-mm3 Dipankar Sarma
2002-09-27 15:04 ` 2.5.38-mm3 Martin J. Bligh
2002-09-27 15:04 ` 2.5.38-mm3 Martin J. Bligh
2002-09-27 17:14 ` 2.5.38-mm3 Dipankar Sarma
2002-09-27 17:14 ` 2.5.38-mm3 Dipankar Sarma
2002-09-27 22:54 ` 2.5.38-mm3 William Lee Irwin III
2002-09-27 22:54 ` 2.5.38-mm3 William Lee Irwin III
2002-09-28 5:41 ` 2.5.38-mm3 Dipankar Sarma
2002-09-28 5:41 ` 2.5.38-mm3 Dipankar Sarma
2002-09-28 4:35 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-28 4:35 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-28 4:36 ` 2.5.38-mm3 William Lee Irwin III
2002-09-28 4:36 ` 2.5.38-mm3 William Lee Irwin III
2002-09-28 4:54 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-28 4:54 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-28 5:29 ` Dipankar Sarma [this message]
2002-09-28 5:29 ` 2.5.38-mm3 Dipankar Sarma
2002-09-28 4:30 ` 2.5.38-mm3 Zwane Mwaikambo
2002-09-28 4:30 ` 2.5.38-mm3 Zwane Mwaikambo
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