From: Lee Revell <rlrevell@joe-job.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "K.R. Foley" <kr@cybsft.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Mark_H_Johnson@Raytheon.com
Subject: Re: [patch] voluntary-preempt-2.6.9-rc2-mm1-S3
Date: Wed, 22 Sep 2004 15:08:01 -0400 [thread overview]
Message-ID: <1095880080.1758.2.camel@krustophenia.net> (raw)
In-Reply-To: <20040922103340.GA9683@elte.hu>
On Wed, 2004-09-22 at 06:33, Ingo Molnar wrote:
> http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc2-mm1-S3
The rt_garbage_collect latency is back:
preemption latency trace v1.0.7 on 2.6.9-rc2-mm1-VP-S3
-------------------------------------------------------
latency: 2040 us, entries: 2321 (2321) | [VP:1 KP:1 SP:1 HP:1 #CPUS:1]
-----------------
| task: ksoftirqd/0/2, uid:0 nice:0 policy:0 rt_prio:0
-----------------
=> started at: netif_receive_skb+0x6a/0x1d0
=> ended at: netif_receive_skb+0x125/0x1d0
=======>
00000001 0.000ms (+0.001ms): netif_receive_skb (process_backlog)
00000001 0.001ms (+0.000ms): packet_rcv_spkt (netif_receive_skb)
00000001 0.002ms (+0.000ms): skb_clone (packet_rcv_spkt)
00000001 0.002ms (+0.001ms): kmem_cache_alloc (skb_clone)
00000001 0.004ms (+0.001ms): memcpy (skb_clone)
00000001 0.006ms (+0.001ms): strlcpy (packet_rcv_spkt)
00000002 0.007ms (+0.003ms): sk_run_filter (packet_rcv_spkt)
00000001 0.011ms (+0.000ms): __kfree_skb (packet_rcv_spkt)
00000001 0.012ms (+0.000ms): kfree_skbmem (__kfree_skb)
00000001 0.012ms (+0.000ms): skb_release_data (kfree_skbmem)
00000001 0.012ms (+0.000ms): kmem_cache_free (kfree_skbmem)
00000001 0.013ms (+0.001ms): ip_rcv (netif_receive_skb)
00000001 0.015ms (+0.000ms): ip_route_input (ip_rcv)
00000001 0.015ms (+0.003ms): rt_hash_code (ip_route_input)
00000001 0.019ms (+0.001ms): ip_route_input_slow (ip_rcv)
00000001 0.021ms (+0.001ms): rt_hash_code (ip_route_input_slow)
00000001 0.022ms (+0.002ms): fn_hash_lookup (ip_route_input_slow)
00000002 0.024ms (+0.002ms): fib_semantic_match (fn_hash_lookup)
00000001 0.027ms (+0.000ms): fib_validate_source (ip_route_input_slow)
00000001 0.028ms (+0.001ms): fn_hash_lookup (fib_validate_source)
00000001 0.029ms (+0.001ms): fn_hash_lookup (fib_validate_source)
00000002 0.031ms (+0.001ms): fib_semantic_match (fn_hash_lookup)
00000001 0.032ms (+0.000ms): __fib_res_prefsrc (fib_validate_source)
00000001 0.033ms (+0.002ms): inet_select_addr (__fib_res_prefsrc)
00000001 0.035ms (+0.000ms): dst_alloc (ip_route_input_slow)
00000001 0.036ms (+0.002ms): rt_garbage_collect (dst_alloc)
00000102 0.039ms (+0.001ms): rt_may_expire (rt_garbage_collect)
00000101 0.040ms (+0.000ms): local_bh_enable (rt_garbage_collect)
00000102 0.041ms (+0.001ms): rt_may_expire (rt_garbage_collect)
00000101 0.042ms (+0.000ms): local_bh_enable (rt_garbage_collect)
00000102 0.043ms (+0.000ms): rt_may_expire (rt_garbage_collect)
00000101 0.044ms (+0.000ms): local_bh_enable (rt_garbage_collect)
00000102 0.045ms (+0.001ms): rt_may_expire (rt_garbage_collect)
00000102 0.046ms (+0.001ms): rt_may_expire (rt_garbage_collect)
00000101 0.047ms (+0.000ms): local_bh_enable (rt_garbage_collect)
00000102 0.048ms (+0.001ms): rt_may_expire (rt_garbage_collect)
[these 2 repeat hundreds of times]
00000101 1.875ms (+0.000ms): local_bh_enable (rt_garbage_collect)
00000102 1.876ms (+0.000ms): rt_may_expire (rt_garbage_collect)
00000102 1.877ms (+0.000ms): rt_may_expire (rt_garbage_collect)
00000101 1.877ms (+0.000ms): local_bh_enable (rt_garbage_collect)
00000102 1.878ms (+0.000ms): rt_may_expire (rt_garbage_collect)
00000102 1.879ms (+0.000ms): rt_may_expire (rt_garbage_collect)
00000101 1.880ms (+0.001ms): local_bh_enable (rt_garbage_collect)
00000001 1.881ms (+0.001ms): kmem_cache_alloc (dst_alloc)
00000001 1.882ms (+0.003ms): cache_alloc_refill (kmem_cache_alloc)
[some other stuff]
Lee
next prev parent reply other threads:[~2004-09-22 19:08 UTC|newest]
Thread overview: 223+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20040903120957.00665413@mango.fruits.de>
[not found] ` <20040903100946.GA22819@elte.hu>
[not found] ` <20040903123139.565c806b@mango.fruits.de>
2004-09-03 10:32 ` lockup with voluntary preempt R0 and VP, KP, etc, disabled Ingo Molnar
2004-09-03 11:59 ` Florian Schmidt
2004-09-03 11:55 ` Ingo Molnar
2004-09-03 13:01 ` Florian Schmidt
2004-09-03 12:04 ` Florian Schmidt
2004-09-03 12:08 ` Florian Schmidt
2004-09-03 18:28 ` Lee Revell
2004-09-03 18:54 ` Florian Schmidt
2004-09-03 18:52 ` Lee Revell
2004-09-03 19:06 ` K.R. Foley
2004-09-04 19:51 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R4 Ingo Molnar
2004-09-05 14:02 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R5 Ingo Molnar
2004-09-05 16:07 ` Matt Heler
2004-09-05 18:16 ` Lee Revell
2004-09-05 19:12 ` Ingo Molnar
2004-09-05 21:03 ` Lee Revell
2004-09-06 6:30 ` Ingo Molnar
2004-09-06 7:44 ` Lee Revell
2004-09-07 3:17 ` K.R. Foley
2004-09-06 11:06 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R6 Ingo Molnar
2004-09-06 11:48 ` Rafael J. Wysocki
2004-09-06 12:25 ` Alexander Nyberg
2004-09-06 12:29 ` Ingo Molnar
2004-09-07 9:26 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R7 Ingo Molnar
2004-09-07 11:57 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R8 Ingo Molnar
2004-09-07 14:50 ` Alexander Nyberg
2004-09-07 15:04 ` Ingo Molnar
2004-09-07 15:29 ` Alexander Nyberg
2004-09-07 19:56 ` Rafael J. Wysocki
2004-09-07 22:59 ` Lee Revell
2004-09-08 8:20 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R9 Ingo Molnar
2004-09-08 9:46 ` Rafael J. Wysocki
2004-09-08 9:56 ` Ingo Molnar
2004-09-08 22:37 ` Lee Revell
2004-09-09 6:17 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-S0 Ingo Molnar
2004-09-09 19:30 ` Lee Revell
2004-09-09 20:23 ` Lee Revell
2004-09-19 12:26 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S1 Ingo Molnar
2004-09-19 17:05 ` Felipe Alfaro Solana
2004-09-20 17:14 ` K.R. Foley
2004-09-20 19:48 ` Ingo Molnar
2004-09-21 2:25 ` K.R. Foley
2004-09-20 19:47 ` Magnus Määttä
2004-09-21 2:07 ` BKL backtraces - was: " K.R. Foley
2004-09-21 7:18 ` Ingo Molnar
2004-09-21 7:44 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S2 Ingo Molnar
2004-09-21 18:51 ` K.R. Foley
2004-09-22 10:33 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S3 Ingo Molnar
2004-09-22 15:07 ` K.R. Foley
2004-09-22 17:16 ` Lee Revell
2004-09-22 17:40 ` K.R. Foley
2004-09-22 19:45 ` Ingo Molnar
2004-09-22 17:09 ` K.R. Foley
2004-09-22 19:08 ` Lee Revell [this message]
2004-09-23 1:13 ` Lee Revell
2004-09-23 12:28 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S4 Ingo Molnar
2004-09-23 12:57 ` Norberto Bensa
2004-09-23 13:01 ` Ingo Molnar
2004-09-23 13:07 ` Ingo Molnar
2004-09-23 13:09 ` Ingo Molnar
2004-09-23 16:46 ` Norberto Bensa
2004-09-23 17:13 ` Norberto Bensa
2004-09-23 18:20 ` Ingo Molnar
2004-09-23 13:35 ` Rui Nuno Capela
2004-09-23 13:40 ` Ingo Molnar
2004-09-23 16:23 ` Rui Nuno Capela
2004-09-23 18:07 ` Rui Nuno Capela
2004-09-24 12:43 ` OHCI_QUIRK_INITRESET (was: 2.6.9-rc2-mm2 ohci_hcd doesn't work) Rui Nuno Capela
2004-09-24 12:55 ` Ingo Molnar
2004-09-24 14:00 ` Rui Nuno Capela
2004-09-24 16:16 ` Bjorn Helgaas
2004-09-25 23:37 ` David Brownell
2004-09-26 13:09 ` Rui Nuno Capela
2004-09-27 15:11 ` Bjorn Helgaas
2004-09-23 21:12 ` [patch] voluntary-preempt-2.6.9-rc2-mm3-S5 Ingo Molnar
2004-09-24 0:32 ` Rui Nuno Capela
2004-09-24 2:22 ` K.R. Foley
2004-09-24 3:30 ` K.R. Foley
2004-09-24 7:40 ` Ingo Molnar
2004-09-24 11:05 ` K.R. Foley
2004-09-24 11:45 ` Ingo Molnar
2004-09-24 7:44 ` [patch] voluntary-preempt-2.6.9-rc2-mm3-S6 Ingo Molnar
2004-09-28 0:05 ` [patch] voluntary-preempt-2.6.9-rc2-mm4-S7 Ingo Molnar
2004-09-28 20:17 ` Rui Nuno Capela
2004-09-28 21:03 ` Rui Nuno Capela
2004-09-28 21:46 ` Rui Nuno Capela
2004-09-28 22:01 ` Matt Heler
2004-09-29 17:43 ` Lee Revell
2004-09-29 18:40 ` Lee Revell
2004-09-29 20:30 ` Ingo Molnar
2004-09-29 20:34 ` Lee Revell
2004-10-02 3:02 ` Lee Revell
2004-10-02 9:50 ` Ingo Molnar
2004-10-03 2:01 ` Lee Revell
2004-10-03 2:14 ` Lee Revell
2004-10-03 2:19 ` Lee Revell
2004-10-03 20:08 ` Ingo Molnar
2004-10-03 6:37 ` Lee Revell
2004-10-03 6:50 ` Lee Revell
2004-10-03 7:06 ` Lee Revell
2004-10-03 19:57 ` Ingo Molnar
2004-10-04 0:53 ` Lee Revell
2004-10-04 10:17 ` Ingo Molnar
2004-10-04 17:20 ` Lee Revell
2004-10-03 20:05 ` Ingo Molnar
2004-10-03 21:09 ` [patch] voluntary-preempt-2.6.9-rc3-mm1-S8 Ingo Molnar
2004-10-04 21:53 ` [patch] voluntary-preempt-2.6.9-rc3-mm1-S9 Ingo Molnar
2004-10-05 0:31 ` Lee Revell
2004-10-05 0:56 ` Florian Schmidt
2004-10-05 0:45 ` Lee Revell
2004-10-05 0:38 ` Andrew Rodland
2004-10-05 1:19 ` Rui Nuno Capela
2004-10-05 5:32 ` Peter Williams
2004-10-05 6:38 ` Ingo Molnar
2004-10-05 1:42 ` Florian Schmidt
2004-10-05 2:05 ` Florian Schmidt
2004-10-05 3:09 ` Andrew Rodland
2004-10-05 10:24 ` Florian Schmidt
2004-10-05 7:02 ` [patch] voluntary-preempt-2.6.9-rc3-mm2-T0 Ingo Molnar
2004-10-05 11:11 ` Rui Nuno Capela
2004-10-05 11:17 ` Ingo Molnar
2004-10-05 12:07 ` Hugh Dickins
2004-10-05 11:12 ` Florian Schmidt
2004-10-05 11:03 ` Ingo Molnar
2004-10-05 11:14 ` Rui Nuno Capela
2004-10-05 11:16 ` Ingo Molnar
2004-10-05 13:47 ` [patch] voluntary-preempt-2.6.9-rc3-mm2-T1 Ingo Molnar
2004-10-05 16:37 ` Rui Nuno Capela
2004-10-05 18:42 ` Ingo Molnar
2004-10-05 19:38 ` Rui Nuno Capela
2004-10-05 19:44 ` Ingo Molnar
2004-10-05 20:01 ` Rui Nuno Capela
2004-10-06 0:12 ` Lee Revell
2004-10-06 7:51 ` Ingo Molnar
2004-10-07 10:52 ` [patch] voluntary-preempt-2.6.9-rc3-mm3-T3 Ingo Molnar
[not found] ` <20041007134116.3e53b239.h.mth@web.de>
2004-10-07 11:44 ` Ingo Molnar
2004-10-07 12:08 ` Hanno Meyer-Thurow
2004-10-07 12:16 ` Rui Nuno Capela
2004-10-07 13:53 ` Rui Nuno Capela
2004-10-07 14:13 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Con Kolivas
2004-10-07 23:26 ` [patch] voluntary-preempt-2.6.9-rc3-mm3-T3 Rui Nuno Capela
2004-10-08 5:36 ` Lee Revell
2004-10-08 6:49 ` Con Kolivas
2004-10-08 18:05 ` Lee Revell
2004-10-08 7:06 ` Ingo Molnar
2004-10-08 7:36 ` Peter Williams
2004-10-08 17:27 ` Lee Revell
2004-10-07 17:55 ` K.R. Foley
2004-10-07 20:29 ` K.R. Foley
2004-10-07 21:55 ` Ingo Molnar
2004-10-08 1:41 ` K.R. Foley
2004-10-08 7:02 ` Ingo Molnar
2004-10-08 14:03 ` K.R. Foley
2004-10-08 14:28 ` Ingo Molnar
2004-10-08 21:14 ` Lee Revell
2004-10-08 23:11 ` Lee Revell
2004-10-09 4:16 ` Lee Revell
2004-10-09 4:57 ` Lee Revell
2004-10-09 5:09 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Con Kolivas
2004-10-09 5:21 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Lee Revell
2004-10-09 5:23 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Con Kolivas
2004-10-09 5:31 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Lee Revell
2004-10-09 5:34 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Con Kolivas
2004-10-09 5:50 ` Preemption model (was Re: voluntary-preempt-2.6.9-rc3-mm3-T3) Lee Revell
2004-10-09 5:53 ` Con Kolivas
2004-10-09 10:46 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Ingo Molnar
2004-10-09 13:21 ` voluntary-preempt-2.6.9-rc3-mm3-T3 K.R. Foley
2004-10-09 18:16 ` [patch] voluntary-preempt-2.6.9-rc3-mm3-T3 Florian Schmidt
2004-10-11 14:29 ` [patch] CONFIG_PREEMPT_REALTIME, 'Fully Preemptible Kernel', VP-2.6.9-rc4-mm1-T4 Ingo Molnar
2004-10-11 17:48 ` Florian Schmidt
2004-10-11 21:22 ` Rui Nuno Capela
2004-10-11 21:37 ` Lee Revell
2004-10-12 4:30 ` [patch] voluntary-preempt-2.6.9-rc3-mm3-T3 Lee Revell
2004-10-12 9:17 ` Ingo Molnar
2004-10-13 16:52 ` Lee Revell
2004-10-13 16:48 ` Lee Revell
2004-10-08 11:16 ` [patch] voluntary-preempt-2.6.9-rc3-mm2-T1 William Lee Irwin III
2004-09-22 17:30 ` Oops in __posix_lock_file was:Re: [patch] voluntary-preempt-2.6.9-rc2-mm1-S2 K.R. Foley
2004-09-22 19:43 ` Ingo Molnar
2004-09-21 18:24 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S1 K.R. Foley
2004-09-21 19:21 ` Ingo Molnar
2004-09-21 19:37 ` K.R. Foley
2004-09-08 6:56 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R6 Lee Revell
2004-09-09 19:29 ` Ingo Molnar
2004-09-09 19:33 ` Lee Revell
2004-09-09 20:43 ` Lee Revell
2004-09-09 20:51 ` Ingo Molnar
2004-09-09 21:03 ` Scott Wood
2004-09-09 20:05 ` Andrew Morton
2004-09-09 20:09 ` Alan Cox
2004-09-09 21:28 ` Andrew Morton
2004-09-09 22:45 ` William Lee Irwin III
2004-09-09 22:11 ` Alan Cox
2004-09-09 23:20 ` William Lee Irwin III
2004-09-10 13:28 ` Ingo Molnar
2004-09-10 14:28 ` Paolo Ciarrocchi
2004-09-10 16:45 ` Lee Revell
2004-09-10 22:54 ` Lee Revell
2004-09-11 0:21 ` K.R. Foley
2004-09-09 20:13 ` Lee Revell
2004-09-22 0:17 ` William Lee Irwin III
2004-09-07 22:55 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R5 Lee Revell
2004-09-07 23:13 ` Lee Revell
2004-09-07 23:58 ` Rui Nuno Capela
2004-09-08 8:23 ` Ingo Molnar
2004-09-08 8:31 ` Ingo Molnar
2004-09-09 11:09 ` Rui Nuno Capela
2004-09-15 1:16 ` Lee Revell
2004-09-15 9:29 ` Rui Nuno Capela
2004-09-15 9:38 ` Ingo Molnar
2004-09-15 9:53 ` Rui Nuno Capela
2004-09-15 10:00 ` Ingo Molnar
2004-09-15 10:35 ` Rui Nuno Capela
2004-09-25 19:26 ` Lee Revell
2004-09-25 20:38 ` Ingo Molnar
2004-09-25 20:40 ` Lee Revell
2004-09-25 20:50 ` Duncan Sands
2004-09-25 23:54 ` Lee Revell
2004-09-26 13:42 ` Rui Nuno Capela
2004-09-08 8:46 ` Rui Nuno Capela
2004-09-08 8:52 ` Ingo Molnar
2004-09-05 14:49 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R4 Florian Schmidt
2004-09-05 14:53 ` K.R. Foley
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