Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757177AbZDWQuk (ORCPT ); Thu, 23 Apr 2009 12:50:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756463AbZDWQuI (ORCPT ); Thu, 23 Apr 2009 12:50:08 -0400 Received: from mga02.intel.com ([134.134.136.20]:1541 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756041AbZDWQuH convert rfc822-to-8bit (ORCPT ); Thu, 23 Apr 2009 12:50:07 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.40,236,1239001200"; d="scan'208";a="406196770" From: "Styner, Douglas W" To: "linux-kernel@vger.kernel.org" Date: Thu, 23 Apr 2009 09:49:57 -0700 Subject: Mainline kernel OLTP performance update Thread-Topic: Mainline kernel OLTP performance update Thread-Index: AcnEM4iJo5nISKgQTiy+YVInIUdN7A== 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: 2714 Lines: 55 Summary: Measured the mainline kernel from kernel.org (2.6.30-rc2). The regression for 2.6.30-rc2 against the baseline, 2.6.24.2 is 1.95%. Note the dip in cycles for database compared to us% in summary. 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 2.6.30-rc2 0.981 30755 43072 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 0.9.3 CPU_CLK_UNHALTED for top 30 functions Cycles% 2.6.24.2 Cycles% 2.6.30-rc2 74.8578 67.6966 1.0500 qla24xx_start_scsi 1.1724 qla24xx_start_scsi 0.8089 schedule 1.0578 qla24xx_intr_handler 0.5864 kmem_cache_alloc 0.8259 __schedule 0.4989 __blockdev_direct_IO 0.7451 kmem_cache_alloc 0.4357 __sigsetjmp 0.4872 __blockdev_direct_IO 0.4152 copy_user_generic_string 0.4390 task_rq_lock 0.3953 qla24xx_intr_handler 0.4338 __sigsetjmp 0.3850 memcpy 0.4195 __switch_to 0.3596 scsi_request_fn 0.3713 copy_user_generic_string 0.3188 __switch_to 0.3608 __list_add 0.2889 lock_timer_base 0.3595 rb_get_reader_page 0.2750 memmove 0.3309 ring_buffer_consume 0.2519 task_rq_lock 0.3152 scsi_request_fn 0.2474 aio_complete 0.3048 try_to_wake_up 0.2460 scsi_alloc_sgtable 0.2983 tcp_sendmsg 0.2445 generic_make_request 0.2931 lock_timer_base 0.2263 qla2x00_process_completed_re0.2840 aio_complete 0.2118 blk_queue_end_tag 0.2697 memset_c 0.2085 dio_bio_complete 0.2527 mod_timer 0.2021 e1000_xmit_frame 0.2462 qla2x00_process_completed_re 0.2006 __end_that_request_first 0.2449 memmove 0.1954 generic_file_aio_read 0.2358 blk_queue_end_tag 0.1949 kfree 0.2241 generic_make_request 0.1915 tcp_sendmsg 0.2215 scsi_device_unbusy 0.1901 try_to_wake_up 0.2162 mempool_free 0.1895 kref_get 0.2097 e1000_xmit_frame 0.1864 __mod_timer 0.2097 kmem_cache_free 0.1863 thread_return 0.2058 kfree 0.1854 math_state_restore 0.1993 sched_clock_cpu Thanks, Doug -- 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/