Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755847AbZAMVLU (ORCPT ); Tue, 13 Jan 2009 16:11:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751791AbZAMVLH (ORCPT ); Tue, 13 Jan 2009 16:11:07 -0500 Received: from mga11.intel.com ([192.55.52.93]:34173 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751710AbZAMVLG convert rfc822-to-8bit (ORCPT ); Tue, 13 Jan 2009 16:11:06 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.37,261,1231142400"; d="scan'208";a="656843055" From: "Ma, Chinang" To: "linux-kernel@vger.kernel.org" CC: "Tripathi, Sharad C" , "arjan@linux.intel.com" , "Wilcox, Matthew R" , "Kleen, Andi" , "Siddha, Suresh B" , "Chilukuri, Harita" , "Styner, Douglas W" , "Wang, Peter Xihong" , "Nueckel, Hubert" , Chris Mason Date: Tue, 13 Jan 2009 14:10:40 -0700 Subject: Mainline kernel OLTP performance update Thread-Topic: Mainline kernel OLTP performance update Thread-Index: Acl1w2OfuFLxEdRzT8eQTXKBx3R4Sg== Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4569 Lines: 83 This is latest 2.6.29-rc1 kernel OLTP performance result. Compare to 2.6.24.2 the regression is around 3.5%. Linux OLTP Performance summary Kernel# Speedup(x) Intr/s CtxSw/s us% sys% idle% iowait% 2.6.24.2 1.000 21969 43425 76 24 0 0 2.6.27.2 0.973 30402 43523 74 25 0 1 2.6.29-rc1 0.965 30331 41970 74 26 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% 2.6.27.2 1.0500 qla24xx_start_scsi 1.2125 qla24xx_start_scsi 0.8089 schedule 0.6962 kmem_cache_alloc 0.5864 kmem_cache_alloc 0.6209 qla24xx_intr_handler 0.4989 __blockdev_direct_IO 0.4895 copy_user_generic_string 0.4152 copy_user_generic_string 0.4591 __blockdev_direct_IO 0.3953 qla24xx_intr_handler 0.4409 __end_that_request_first 0.3596 scsi_request_fn 0.3729 __switch_to 0.3188 __switch_to 0.3716 try_to_wake_up 0.2889 lock_timer_base 0.3531 lock_timer_base 0.2519 task_rq_lock 0.3393 scsi_request_fn 0.2474 aio_complete 0.3038 aio_complete 0.2460 scsi_alloc_sgtable 0.2989 memset_c 0.2445 generic_make_request 0.2633 qla2x00_process_completed_re 0.2263 qla2x00_process_completed_re0.2583 pick_next_highest_task_rt 0.2118 blk_queue_end_tag 0.2578 generic_make_request 0.2085 dio_bio_complete 0.2510 __list_add 0.2021 e1000_xmit_frame 0.2459 task_rq_lock 0.2006 __end_that_request_first 0.2322 kmem_cache_free 0.1954 generic_file_aio_read 0.2206 blk_queue_end_tag 0.1949 kfree 0.2205 __mod_timer 0.1915 tcp_sendmsg 0.2179 update_curr_rt 0.1901 try_to_wake_up 0.2164 sd_prep_fn 0.1895 kref_get 0.2130 kref_get 0.1864 __mod_timer 0.2075 dio_bio_complete 0.1863 thread_return 0.2066 push_rt_task 0.1854 math_state_restore 0.1974 qla24xx_msix_default 0.1775 __list_add 0.1935 generic_file_aio_read 0.1721 memset_c 0.1870 scsi_device_unbusy 0.1706 find_vma 0.1861 tcp_sendmsg 0.1688 read_tsc 0.1843 e1000_xmit_frame ======oprofile CPU_CLK_UNHALTED for top 30 functions Cycles% 2.6.24.2 Cycles% 2.6.29-rc1 1.0500 qla24xx_start_scsi 1.0691 qla24xx_intr_handler 0.8089 schedule 0.7701 copy_user_generic_string 0.5864 kmem_cache_alloc 0.7339 qla24xx_wrt_req_reg 0.4989 __blockdev_direct_IO 0.6458 kmem_cache_alloc 0.4152 copy_user_generic_string 0.5794 qla24xx_start_scsi 0.3953 qla24xx_intr_handler 0.5505 unmap_vmas 0.3596 scsi_request_fn 0.4869 __blockdev_direct_IO 0.3188 __switch_to 0.4493 try_to_wake_up 0.2889 lock_timer_base 0.4291 scsi_request_fn 0.2519 task_rq_lock 0.4118 clear_page_c 0.2474 aio_complete 0.4002 __switch_to 0.2460 scsi_alloc_sgtable 0.3381 ring_buffer_consume 0.2445 generic_make_request 0.3366 rb_get_reader_page 0.2263 qla2x00_process_completed_re0.3222 aio_complete 0.2118 blk_queue_end_tag 0.3135 memset_c 0.2085 dio_bio_complete 0.2875 __list_add 0.2021 e1000_xmit_frame 0.2673 task_rq_lock 0.2006 __end_that_request_first 0.2658 __end_that_request_first 0.1954 generic_file_aio_read 0.2615 qla2x00_process_completed_re 0.1949 kfree 0.2615 lock_timer_base 0.1915 tcp_sendmsg 0.2456 disk_map_sector_rcu 0.1901 try_to_wake_up 0.2427 tcp_sendmsg 0.1895 kref_get 0.2413 e1000_xmit_frame 0.1864 __mod_timer 0.2398 kmem_cache_free 0.1863 thread_return 0.2384 pick_next_highest_task_rt 0.1854 math_state_restore 0.2225 blk_queue_end_tag 0.1775 __list_add 0.2211 sd_prep_fn 0.1721 memset_c 0.2167 qla24xx_queuecommand 0.1706 find_vma 0.2109 scsi_device_unbusy 0.1688 read_tsc 0.2095 kref_get -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/