lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 24 Nov 2014 10:51:41 +0800 From: Yuanhan Liu <yuanhan.liu@...ux.intel.com> To: Jiang Liu <jiang.liu@...ux.intel.com> Cc: Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>, lkp@...org, Yuanhan Liu <yuanhan.liu@...ux.intel.com> Subject: [LKP] [x86, irq, ACPI] 5fcb864ef90: -3.3%(vm-scalability.throughput) +12.9%(turbostat.%c0) Hi, We noticed the below changes on(NOTE: I'm not sure the bisect is correct or not, here I report it out JFYI). git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 5fcb864ef90df093d964171539c87ffa0ab49f0f ("x86, irq, ACPI: Implement interfaces to support ACPI based IOAPIC hot-removal") testbox/testcase/testparams: lkp-nex06/vm-scalability/performance-300s-small-allocs-mt ff6213974cd90e1e 5fcb864ef90df093d964171539 ---------------- -------------------------- fail:runs %reproduction fail:runs | | | :5 20% 1:5 kmsg.CE:hpet_increased_min_delta_ns_to#nsec %stddev %change %stddev \ | \ 315326 ± 0% -3.3% 304841 ± 0% vm-scalability.throughput 11.82 ± 0% +12.9% 13.34 ± 0% turbostat.%c0 1.34 ± 0% +9.4% 1.46 ± 0% turbostat.GHz 12 ± 47% +78.7% 21 ± 32% sched_debug.cfs_rq[29]:/.load 113 ± 26% +86.3% 212 ± 28% sched_debug.cfs_rq[39]:/.tg_load_contrib 106 ± 28% +89.5% 202 ± 30% sched_debug.cfs_rq[39]:/.blocked_load_avg 66 ± 23% +120.6% 145 ± 29% sched_debug.cfs_rq[40]:/.blocked_load_avg 70 ± 23% +113.0% 150 ± 29% sched_debug.cfs_rq[40]:/.tg_load_contrib 10145 ± 23% -38.3% 6255 ± 35% numa-meminfo.node1.AnonPages 2535 ± 23% -38.3% 1564 ± 35% numa-vmstat.node1.nr_anon_pages 605 ± 16% -22.0% 471 ± 5% sched_debug.cpu#58.nr_uninterruptible 58904 ± 7% -13.8% 50762 ± 7% sched_debug.cfs_rq[0]:/.min_vruntime 481299 ± 8% -13.4% 416975 ± 7% sched_debug.cpu#0.sched_count 409009 ± 11% -15.7% 344638 ± 2% sched_debug.cpu#4.sched_count 52022 ± 10% -16.1% 43623 ± 2% sched_debug.cfs_rq[4]:/.min_vruntime 68 ± 3% -12.2% 60 ± 3% sched_debug.cfs_rq[4]:/.tg_runnable_contrib 3175 ± 3% -12.1% 2791 ± 3% sched_debug.cfs_rq[4]:/.avg->runnable_avg_sum 50060 ± 6% -12.3% 43914 ± 4% sched_debug.cfs_rq[29]:/.min_vruntime 1751 ± 12% -15.5% 1480 ± 6% sched_debug.cpu#63.nr_uninterruptible 2967 ± 6% -13.7% 2562 ± 4% sched_debug.cfs_rq[37]:/.avg->runnable_avg_sum 63 ± 6% -13.8% 55 ± 4% sched_debug.cfs_rq[37]:/.tg_runnable_contrib 1.07 ± 2% -10.9% 0.95 ± 3% perf-profile.cpu-cycles.tick_nohz_restart.tick_nohz_idle_exit.cpu_startup_entry.start_secondary 1.64 ± 2% -8.4% 1.50 ± 4% perf-profile.cpu-cycles.__tick_nohz_idle_enter.tick_nohz_idle_enter.cpu_startup_entry.start_secondary 35173 ± 5% -9.1% 31983 ± 3% sched_debug.cfs_rq[56]:/.min_vruntime 1.41 ± 2% -8.3% 1.29 ± 4% perf-profile.cpu-cycles.tick_nohz_stop_sched_tick.__tick_nohz_idle_enter.tick_nohz_idle_enter.cpu_startup_entry.start_secondary 1.63 ± 1% -9.3% 1.48 ± 3% perf-profile.cpu-cycles.tick_nohz_idle_exit.cpu_startup_entry.start_secondary 45161 ± 11% -12.8% 39358 ± 4% sched_debug.cfs_rq[25]:/.min_vruntime 39201 ± 5% +17.3% 45969 ± 18% sched_debug.cfs_rq[8]:/.min_vruntime 21071502 ± 0% -3.3% 20379730 ± 0% time.minor_page_faults 299 ± 0% -3.1% 290 ± 0% time.user_time 21763267 ± 0% -3.3% 21055329 ± 0% time.voluntary_context_switches 142199 ± 0% -3.1% 137732 ± 0% vmstat.system.cs 737 ± 0% -2.1% 721 ± 1% time.system_time 341 ± 0% -2.5% 333 ± 0% time.percent_of_cpu_this_job_got lkp-nex06: Nehalem-EX Memory: 64G turbostat.%c0 14 ++-------------------------------------------------------------------+ | O | | O O O O O | 13.5 O+ O O O O O O O | | O O O O O | | O O O 13 ++ | | | 12.5 ++ | | | | | 12 *+.*...*.. .*... | | *..*. *.. .*...*..*..*..*... .*..* | | *. *. | 11.5 ++-------------------------------------------------------------------+ turbostat.GHz 1.48 ++-------------------------------------------------------------------+ O O O O O O O O O O O O | 1.46 ++ O O O O O O O O O O 1.44 ++ | | | 1.42 ++ | | | 1.4 ++ | | | 1.38 ++ | 1.36 ++ | | | 1.34 ++ .*...*.. .*..*... .*.. | *..*...*..*..*. *..*...*..*. *. * | 1.32 ++-------------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. --yliu View attachment "job.yaml" of type "text/plain" (1611 bytes) View attachment "reproduce" of type "text/plain" (5113 bytes)
Powered by blists - more mailing lists