From: "Styner, Douglas W" <douglas.w.styner@intel.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "Tripathi, Sharad C" <sharad.c.tripathi@intel.com>,
"arjan@linux.intel.com" <arjan@linux.intel.com>,
"Wilcox, Matthew R" <matthew.r.wilcox@intel.com>,
"Kleen, Andi" <andi.kleen@intel.com>,
"Siddha, Suresh B" <suresh.b.siddha@intel.com>,
"Ma, Chinang" <chinang.ma@intel.com>,
"Styner, Douglas W" <douglas.w.styner@intel.com>,
"Wang, Peter Xihong" <peter.xihong.wang@intel.com>,
"Nueckel, Hubert" <hubert.nueckel@intel.com>,
"Recalde, Luis F" <luis.f.recalde@intel.com>,
"Nelson, Doug" <doug.nelson@intel.com>,
"Cheng, Wu-sun" <wu-sun.cheng@intel.com>,
"Prickett, Terry O" <terry.o.prickett@intel.com>,
"Shunmuganathan,
Rajalakshmi" <rajalakshmi.shunmuganathan@intel.com>,
"Garg, Anil K" <anil.k.garg@intel.com>,
"Chilukuri, Harita" <harita.chilukuri@intel.com>,
"chris.mason@oracle.com" <chris.mason@oracle.com>
Subject: Mainline kernel OLTP performance update
Date: Tue, 28 Apr 2009 10:22:28 -0700 [thread overview]
Message-ID: <D7C42C27E6CB1E4D8CBDF2F81EA92A2603459F3DD5@azsmsx501.amr.corp.intel.com> (raw)
Summary: Measured the mainline kernel from kernel.org (2.6.29.2).
The regression for 2.6.29.2 against the baseline, 2.6.24.2 is 2.07% (2.6.29.1 regression was 2.35%). Oprofile reports 70.419% user, 29.5709% system. 2.6.29.1 -> 2.6.29.2 comparison is below.
Linux OLTP Performance summary
Kernel# Speedup(x) Intr/s CtxSw/s us% sys% idle% iowait%
2.6.24.2 1.000 22106 43709 75 24 0 0
2.6.29.2 0.979 30509 43139 75 25 0 0
Server configurations:
Intel Xeon Quad-core 2.0GHz 2 cpus/8 cores/8 threads
64GB memory, 3 qle2462 FC HBA, 450 spindles (30 logical units)
======oprofile CPU_CLK_UNHALTED for top 30 functions
Cycles% 2.6.24.2 Cycles% 2.6.29.2
74.8578 <database> 67.7080 <database>
1.0500 qla24xx_start_scsi 0.9487 qla24xx_intr_handler
0.8089 schedule 0.8117 schedule
0.5864 kmem_cache_alloc 0.6215 qla24xx_wrt_req_reg
0.4989 __blockdev_direct_IO 0.5439 kmem_cache_alloc
0.4357 __sigsetjmp 0.4784 qla24xx_start_scsi
0.4152 copy_user_generic_string 0.4703 __blockdev_direct_IO
0.3953 qla24xx_intr_handler 0.4416 try_to_wake_up
0.3850 memcpy 0.4253 __sigsetjmp
0.3596 scsi_request_fn 0.3803 scsi_request_fn
0.3188 __switch_to 0.3701 __switch_to
0.2889 lock_timer_base 0.3619 copy_user_generic_string
0.2750 memmove 0.3476 rb_get_reader_page
0.2519 task_rq_lock 0.3149 symbols)
0.2474 aio_complete 0.3006 aio_complete
0.2460 scsi_alloc_sgtable 0.2903 memset_c
0.2445 generic_make_request 0.2883 ring_buffer_consume
0.2263 qla2x00_process_completed_re0.2719 lock_timer_base
0.2118 blk_queue_end_tag 0.2699 __list_add
0.2085 dio_bio_complete 0.2474 blk_queue_end_tag
0.2021 e1000_xmit_frame 0.2453 memmove
0.2006 __end_that_request_first 0.2392 e1000_xmit_frame
0.1954 generic_file_aio_read 0.2290 ipc_lock
0.1949 kfree 0.2290 task_rq_lock
0.1915 tcp_sendmsg 0.2249 generic_make_request
0.1901 try_to_wake_up 0.2167 kref_get
0.1895 kref_get 0.2147 tcp_sendmsg
0.1864 __mod_timer 0.2045 qla2x00_process_completed_re
0.1863 thread_return 0.2045 pick_next_highest_task_rt
-- 2.6.29.1 vs. 2.6.29.2
Linux OLTP Performance summary
Kernel# Speedup(x) Intr/s CtxSw/s us% sys% idle% iowait%
2.6.29.1 1.000 30570 42818 74 25 0 0
2.6.29.2 1.003 30509 43139 75 25 0 0
Server configurations:
Intel Xeon Quad-core 2.0GHz 2 cpus/8 cores/8 threads
64GB memory, 3 qle2462 FC HBA, 450 spindles (30 logical units)
======oprofile CPU_CLK_UNHALTED for top 30 functions
Cycles% 2.6.29.1 Cycles% 2.6.29.2
64.5424 <database> 67.7080 <database>
1.1571 qla24xx_intr_handler 0.9487 qla24xx_intr_handler
0.9209 schedule 0.8117 schedule
0.6533 kmem_cache_alloc 0.6215 qla24xx_wrt_req_reg
0.5456 qla24xx_wrt_req_reg 0.5439 kmem_cache_alloc
0.5247 try_to_wake_up 0.4784 qla24xx_start_scsi
0.4858 qla24xx_start_scsi 0.4703 __blockdev_direct_IO
0.4485 __sigsetjmp 0.4416 try_to_wake_up
0.3976 __blockdev_direct_IO 0.4253 __sigsetjmp
0.3857 __switch_to 0.3803 scsi_request_fn
0.3692 copy_user_generic_string 0.3701 __switch_to
0.3648 aio_complete 0.3619 copy_user_generic_string
0.3633 scsi_request_fn 0.3476 rb_get_reader_page
0.3259 rb_get_reader_page 0.3149 symbols)
0.3109 ring_buffer_consume 0.3006 aio_complete
0.3050 memset_c 0.2903 memset_c
0.2900 pick_next_highest_task_rt 0.2883 ring_buffer_consume
0.2885 page_fault 0.2719 lock_timer_base
0.2855 task_rq_lock 0.2699 __list_add
0.2691 mwait_idle 0.2474 blk_queue_end_tag
0.2661 lock_timer_base 0.2453 memmove
0.2616 symbols) 0.2392 e1000_xmit_frame
0.2616 __list_add 0.2290 ipc_lock
0.2541 tcp_sendmsg 0.2290 task_rq_lock
0.2302 blk_queue_end_tag 0.2249 generic_make_request
0.2242 e1000_xmit_frame 0.2167 kref_get
0.2198 scsi_softirq_done 0.2147 tcp_sendmsg
0.2183 qla2x00_process_completed_re0.2045 qla2x00_process_completed_re
0.2168 memmove 0.2045 pick_next_highest_task_rt
0.2138 cpupri_set 0.2024 __mod_timer
0.2078 qla24xx_process_response_que0.2004 kmem_cache_free
next reply other threads:[~2009-04-28 17:22 UTC|newest]
Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 17:22 Styner, Douglas W [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-01-25 18:26 Mainline kernel OLTP performance update Ma, Chinang
2009-05-04 15:54 Styner, Douglas W
2009-05-06 6:29 ` Anirban Chakraborty
2009-05-06 15:53 ` Wilcox, Matthew R
2009-05-06 18:05 ` Styner, Douglas W
2009-05-06 18:12 ` Wilcox, Matthew R
2009-05-06 18:24 ` Anirban Chakraborty
2009-05-06 19:25 ` Wilcox, Matthew R
2009-05-06 18:19 ` Styner, Douglas W
2009-04-28 17:08 Styner, Douglas W
2009-04-29 7:29 ` Andrew Morton
2009-04-29 8:28 ` Andi Kleen
2009-04-29 16:00 ` Styner, Douglas W
2009-04-29 16:06 ` Wilcox, Matthew R
2009-04-29 16:19 ` Andi Kleen
2009-04-29 15:48 ` Styner, Douglas W
2009-04-29 16:07 ` Andrew Morton
2009-04-29 16:25 ` Peter Zijlstra
2009-04-29 17:46 ` Chris Mason
2009-04-29 18:06 ` Pallipadi, Venkatesh
2009-04-29 18:25 ` Styner, Douglas W
2009-04-29 17:52 ` Styner, Douglas W
2009-04-23 16:49 Styner, Douglas W
2009-04-27 7:02 ` Andi Kleen
2009-04-28 16:57 ` Chuck Ebbert
2009-04-28 17:15 ` James Bottomley
2009-04-28 17:17 ` Styner, Douglas W
2009-01-13 21:10 Ma, Chinang
2009-01-13 22:44 ` Wilcox, Matthew R
2009-01-15 0:35 ` Andrew Morton
2009-01-15 1:21 ` Matthew Wilcox
2009-01-15 2:04 ` Andrew Morton
2009-01-15 2:27 ` Steven Rostedt
2009-01-15 7:11 ` Ma, Chinang
2009-01-19 18:04 ` Chris Mason
2009-01-19 18:37 ` Steven Rostedt
2009-01-19 18:55 ` Chris Mason
2009-01-19 19:07 ` Steven Rostedt
2009-01-19 23:40 ` Ingo Molnar
2009-01-15 2:39 ` Andi Kleen
2009-01-15 2:47 ` Matthew Wilcox
2009-01-15 3:36 ` Andi Kleen
2009-01-20 13:27 ` Jens Axboe
[not found] ` <588992150B702C48B3312184F1B810AD03A497632C@azsmsx501.amr.corp.intel.com>
2009-01-22 11:29 ` Jens Axboe
[not found] ` <588992150B702C48B3312184F1B810AD03A4F59632@azsmsx501.amr.corp.intel.com>
2009-01-27 8:28 ` Jens Axboe
2009-01-15 7:24 ` Nick Piggin
2009-01-15 9:46 ` Pekka Enberg
2009-01-15 13:52 ` Matthew Wilcox
2009-01-15 14:42 ` Pekka Enberg
2009-01-16 10:16 ` Pekka Enberg
2009-01-16 10:21 ` Nick Piggin
2009-01-16 10:31 ` Pekka Enberg
2009-01-16 10:42 ` Nick Piggin
2009-01-16 10:55 ` Pekka Enberg
2009-01-19 7:13 ` Nick Piggin
2009-01-19 8:05 ` Pekka Enberg
2009-01-19 8:33 ` Nick Piggin
2009-01-19 8:42 ` Nick Piggin
2009-01-19 8:47 ` Pekka Enberg
2009-01-19 8:57 ` Nick Piggin
2009-01-19 9:48 ` Pekka Enberg
2009-01-19 10:03 ` Nick Piggin
2009-01-16 20:59 ` Christoph Lameter
2009-01-16 0:27 ` Andrew Morton
2009-01-16 4:03 ` Nick Piggin
2009-01-16 4:12 ` Andrew Morton
2009-01-16 6:46 ` Nick Piggin
2009-01-16 6:55 ` Matthew Wilcox
2009-01-16 7:06 ` Nick Piggin
2009-01-16 7:53 ` Zhang, Yanmin
2009-01-16 10:20 ` Andi Kleen
2009-01-20 5:16 ` Zhang, Yanmin
2009-01-21 23:58 ` Christoph Lameter
2009-01-22 8:36 ` Zhang, Yanmin
2009-01-22 9:15 ` Pekka Enberg
2009-01-22 9:28 ` Zhang, Yanmin
2009-01-22 9:47 ` Pekka Enberg
2009-01-23 3:02 ` Zhang, Yanmin
2009-01-23 6:52 ` Pekka Enberg
2009-01-23 8:06 ` Pekka Enberg
2009-01-23 8:30 ` Zhang, Yanmin
2009-01-23 8:40 ` Pekka Enberg
2009-01-23 9:46 ` Pekka Enberg
2009-01-23 15:22 ` Christoph Lameter
2009-01-23 15:31 ` Pekka Enberg
2009-01-23 15:55 ` Christoph Lameter
2009-01-23 16:01 ` Pekka Enberg
2009-01-24 2:55 ` Zhang, Yanmin
2009-01-24 7:36 ` Pekka Enberg
2009-02-12 5:22 ` Zhang, Yanmin
2009-02-12 5:47 ` Zhang, Yanmin
2009-02-12 15:25 ` Christoph Lameter
2009-02-12 16:07 ` Pekka Enberg
2009-02-12 16:03 ` Pekka Enberg
2009-01-26 17:36 ` Christoph Lameter
2009-02-01 2:52 ` Zhang, Yanmin
2009-01-23 8:33 ` Nick Piggin
2009-01-23 9:02 ` Zhang, Yanmin
2009-01-16 7:00 ` Andrew Morton
2009-01-16 7:25 ` Nick Piggin
2009-01-16 8:59 ` Nick Piggin
2009-01-16 18:11 ` Rick Jones
2009-01-19 7:43 ` Nick Piggin
2009-01-19 22:19 ` Rick Jones
2009-01-15 14:12 ` James Bottomley
2009-01-15 17:44 ` Andrew Morton
2009-01-15 18:00 ` Matthew Wilcox
2009-01-15 18:14 ` Steven Rostedt
2009-01-15 18:44 ` Gregory Haskins
2009-01-15 18:46 ` Wilcox, Matthew R
2009-01-15 19:44 ` Ma, Chinang
2009-01-16 18:14 ` Gregory Haskins
2009-01-16 19:09 ` Steven Rostedt
2009-01-20 12:45 ` Gregory Haskins
2009-01-15 19:28 ` Ma, Chinang
2009-01-15 16:48 ` Ma, Chinang
2009-01-12 18:30 Ma, Chinang
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