From: Thomas Charbonnel <thomas@undata.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Lee Revell <rlrevell@joe-job.com>,
Free Ekanayaka <free@agnula.org>,
Eric St-Laurent <ericstl34@sympatico.ca>,
linux-kernel <linux-kernel@vger.kernel.org>,
"K.R. Foley" <kr@cybsft.com>,
Felipe Alfaro Solana <lkml@felipe-alfaro.com>,
Daniel Schmitt <pnambic@unu.nu>,
Mark_H_Johnson@raytheon.com,
"P.O. Gaillard" <pierre-olivier.gaillard@fr.thalesgroup.com>,
nando@ccrma.stanford.edu, luke@audioslack.com, free78@tin.it
Subject: Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-R1
Date: Fri, 03 Sep 2004 13:33:38 +0200 [thread overview]
Message-ID: <1094211218.5453.3.camel@localhost> (raw)
In-Reply-To: <20040903092547.GA18594@elte.hu>
Ingo Molnar wrote :
> Florian Schmidt reported a minor bug that prevents a successful build if
> !CONFIG_LATENCY_TRACE - i've uploaded -R1 that fixes this:
>
> http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc1-bk4-R1
>
I still get > 170 us latency from rtl8139 :
http://www.undata.org/~thomas/R1_rtl8139.trace
And again this one :
preemption latency trace v1.0.5 on 2.6.9-rc1-VP-R1
--------------------------------------------------
latency: 597 us, entries: 12 (12)
-----------------
| task: swapper/0, uid:0 nice:0 policy:0 rt_prio:0
-----------------
=> started at: smp_apic_timer_interrupt+0x32/0xd0
=> ended at: smp_apic_timer_interrupt+0x86/0xd0
=======>
00010000 0.000ms (+0.000ms): smp_apic_timer_interrupt
(apic_timer_interrupt)
00010000 0.000ms (+0.000ms): profile_tick (smp_apic_timer_interrupt)
00010000 0.000ms (+0.000ms): profile_hook (profile_tick)
00010001 0.000ms (+0.595ms): notifier_call_chain (profile_hook)
00010000 0.595ms (+0.000ms): do_nmi (mcount)
00020000 0.596ms (+0.000ms): profile_tick (nmi_watchdog_tick)
00020000 0.596ms (+0.000ms): profile_hook (profile_tick)
00020001 0.597ms (+0.000ms): notifier_call_chain (profile_hook)
00020000 0.597ms (+689953.444ms): profile_hit (nmi_watchdog_tick)
00010001 689954.042ms (+1.141ms): update_process_times (do_timer)
00000001 0.597ms (+0.000ms): sub_preempt_count
(smp_apic_timer_interrupt)
00000001 0.598ms (+0.000ms): update_max_trace (check_preempt_timing)
Thomas
next prev parent reply other threads:[~2004-09-03 11:34 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-30 19:13 [patch] voluntary-preempt-2.6.9-rc1-bk4-Q5 Mark_H_Johnson
2004-08-30 19:21 ` Ingo Molnar
2004-09-01 12:31 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-Q5 - netdev_max_back_log is too small P.O. Gaillard
2004-09-01 13:05 ` Ingo Molnar
2004-09-02 11:24 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-Q6 - network is no longer smooth P.O. Gaillard
2004-09-02 11:28 ` Ingo Molnar
2004-09-02 15:26 ` P.O. Gaillard
2004-08-31 8:49 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-Q5 Ingo Molnar
2004-09-02 6:33 ` Ingo Molnar
2004-09-02 6:55 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-Q8 Ingo Molnar
2004-09-02 7:04 ` Lee Revell
2004-09-02 7:15 ` Ingo Molnar
2004-09-02 7:31 ` Lee Revell
2004-09-02 7:46 ` Ingo Molnar
2004-09-03 1:10 ` Rusty Russell
2004-09-02 23:25 ` Lee Revell
2004-09-02 23:28 ` Ingo Molnar
2004-09-02 23:32 ` Lee Revell
2004-09-02 7:17 ` Ingo Molnar
2004-09-02 8:23 ` Ingo Molnar
2004-09-02 11:10 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-Q9 Ingo Molnar
2004-09-02 12:14 ` Thomas Charbonnel
2004-09-02 13:16 ` Thomas Charbonnel
2004-09-02 13:23 ` Ingo Molnar
2004-09-02 14:38 ` Thomas Charbonnel
2004-09-02 21:57 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R0 Ingo Molnar
2004-09-02 22:06 ` Lee Revell
2004-09-02 22:14 ` Ingo Molnar
2004-09-02 22:15 ` Lee Revell
2004-09-03 0:24 ` Lee Revell
2004-09-03 3:17 ` Eric St-Laurent
2004-09-03 6:26 ` Lee Revell
2004-09-03 6:36 ` Ingo Molnar
2004-09-03 6:49 ` Lee Revell
2004-09-03 7:01 ` Ingo Molnar
2004-09-03 7:05 ` Ingo Molnar
2004-09-03 7:40 ` Lee Revell
2004-09-03 7:50 ` Free Ekanayaka
2004-09-03 8:05 ` Lee Revell
2004-09-03 9:05 ` Free Ekanayaka
2004-09-03 9:25 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R1 Ingo Molnar
2004-09-03 9:50 ` Luke Yelavich
2004-09-03 10:29 ` Ingo Molnar
2004-09-03 10:43 ` Luke Yelavich
2004-09-03 11:33 ` Thomas Charbonnel [this message]
2004-09-03 11:49 ` Ingo Molnar
2004-09-03 12:05 ` Thomas Charbonnel
2004-09-03 16:14 ` Thomas Charbonnel
2004-09-03 17:36 ` Thomas Charbonnel
2004-09-03 11:36 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R2 Ingo Molnar
2004-09-03 8:09 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R0 Luke Yelavich
2004-09-03 8:13 ` Lee Revell
2004-09-03 8:21 ` Luke Yelavich
2004-09-03 12:52 ` Luke Yelavich
2004-09-03 18:09 ` K.R. Foley
2004-09-03 11:04 ` K.R. Foley
2004-09-03 17:02 ` K.R. Foley
2004-09-03 20:40 ` Lee Revell
2004-09-03 17:10 ` K.R. Foley
2004-09-03 18:17 ` Ingo Molnar
2004-09-03 18:36 ` K.R. Foley
2004-09-03 19:30 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R3 Ingo Molnar
2004-09-03 19:49 ` K.R. Foley
2004-09-04 3:39 ` K.R. Foley
2004-09-04 3:43 ` K.R. Foley
2004-09-04 6:41 ` Ingo Molnar
2004-09-04 12:28 ` K.R. Foley
2004-09-04 8:57 ` Ingo Molnar
2004-09-04 10:16 ` Lee Revell
2004-09-04 14:35 ` K.R. Foley
2004-09-04 20:05 ` Ingo Molnar
2004-09-03 18:39 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R0 Ingo Molnar
2004-09-03 18:41 ` K.R. Foley
-- strict thread matches above, loose matches on Subject: below --
2004-09-07 16:54 [patch] voluntary-preempt-2.6.9-rc1-bk4-R1 Mark_H_Johnson
2004-09-08 18:42 ` Ingo Molnar
2004-09-10 2:31 ` K.R. Foley
2004-09-10 17:56 ` K.R. Foley
2004-09-10 19:26 ` Ingo Molnar
2004-09-10 19:28 ` K.R. Foley
2004-09-09 16:02 ` Ingo Molnar
2004-09-08 20:33 Mark_H_Johnson
2004-09-08 22:31 ` Alan Cox
2004-09-09 16:44 ` Thomas Charbonnel
2004-09-09 6:27 ` Ingo Molnar
2004-09-09 15:12 ` Ingo Molnar
2004-09-09 15:33 ` Ingo Molnar
2004-09-09 18:31 Mark_H_Johnson
2004-09-09 19:23 Mark_H_Johnson
2004-09-09 19:47 ` Ingo Molnar
2004-09-09 19:02 ` Alan Cox
2004-09-09 22:41 Mark_H_Johnson
2004-09-09 22:56 Mark_H_Johnson
2004-09-10 12:42 ` Ingo Molnar
2004-09-10 12:57 Mark_H_Johnson
2004-09-10 13:10 ` Ingo Molnar
2004-09-10 14:28 Mark_H_Johnson
2004-09-10 19:29 ` Ingo Molnar
2004-09-13 14:44 Mark_H_Johnson
2004-09-14 18:32 ` Ingo Molnar
2004-09-15 15:26 ` Stephen Smalley
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