From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============7756075883363028532==" MIME-Version: 1.0 From: kernel test robot To: lkp@lists.01.org Subject: [mm] 81c72584a4: -4.3% will-it-scale.per_process_ops Date: Thu, 08 Oct 2015 10:37:25 +0800 Message-ID: <877fmyxeze.fsf@yhuang-dev.intel.com> List-Id: --===============7756075883363028532== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git master commit 81c72584a480c5a4b7eede527d0b990c83c2dcc9 ("mm: gup: make get_user_pa= ges_fast and __get_user_pages_fast latency conscious") =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: ivb42/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/perf= ormance/futex1 commit: = 4ae904c494e475048050994f669137c12274da85 81c72584a480c5a4b7eede527d0b990c83c2dcc9 4ae904c494e47504 81c72584a480c5a4b7eede527d = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 5375911 =C2=B1 0% -4.3% 5146855 =C2=B1 0% will-it-scale.per_p= rocess_ops 1605249 =C2=B1 1% -3.1% 1555950 =C2=B1 0% will-it-scale.per_t= hread_ops 0.60 =C2=B1 1% -4.2% 0.58 =C2=B1 0% will-it-scale.scala= bility 9957 =C2=B1 27% -28.6% 7114 =C2=B1 0% numa-meminfo.node0.= Mapped 1933 =C2=B1 17% +16.0% 2243 =C2=B1 6% numa-meminfo.node1.= PageTables 2488 =C2=B1 27% -28.6% 1777 =C2=B1 0% numa-vmstat.node0.n= r_mapped 483.00 =C2=B1 17% +16.0% 560.50 =C2=B1 6% numa-vmstat.node1.n= r_page_table_pages 42.00 =C2=B1 12% -31.5% 28.75 =C2=B1 11% sched_debug.cfs_rq[= 0]:/.load 2032736 =C2=B1 5% -12.5% 1779371 =C2=B1 7% sched_debug.cfs_rq[= 0]:/.min_vruntime -300090 =C2=B1-69% -103.1% 9378 =C2=B11396% sched_debug.cfs_rq= [10]:/.spread0 -235906 =C2=B1-47% -103.2% 7486 =C2=B11760% sched_debug.cfs_rq= [11]:/.spread0 -885383 =C2=B1-11% -29.4% -625333 =C2=B1-21% sched_debug.cfs_rq[= 13]:/.spread0 -883477 =C2=B1-12% -28.4% -632137 =C2=B1-19% sched_debug.cfs_rq[= 14]:/.spread0 -881069 =C2=B1-12% -28.6% -629181 =C2=B1-20% sched_debug.cfs_rq[= 15]:/.spread0 -888493 =C2=B1-12% -29.9% -622785 =C2=B1-19% sched_debug.cfs_rq[= 16]:/.spread0 -883314 =C2=B1-13% -28.9% -627753 =C2=B1-20% sched_debug.cfs_rq[= 17]:/.spread0 -1037778 =C2=B1-20% -39.9% -623972 =C2=B1-21% sched_debug.cfs_rq[= 18]:/.spread0 -882564 =C2=B1-12% -29.3% -623573 =C2=B1-20% sched_debug.cfs_rq[= 19]:/.spread0 -237868 =C2=B1-46% -106.0% 14369 =C2=B1854% sched_debug.cfs_rq[= 1]:/.spread0 -870685 =C2=B1-11% -29.7% -612118 =C2=B1-18% sched_debug.cfs_rq[= 20]:/.spread0 -879689 =C2=B1-12% -29.5% -620241 =C2=B1-20% sched_debug.cfs_rq[= 21]:/.spread0 -872185 =C2=B1-13% -27.7% -630771 =C2=B1-21% sched_debug.cfs_rq[= 22]:/.spread0 -882721 =C2=B1-12% -28.3% -633288 =C2=B1-21% sched_debug.cfs_rq[= 23]:/.spread0 13.25 =C2=B1 47% +98.1% 26.25 =C2=B1 29% sched_debug.cfs_rq[= 24]:/.tg_load_avg_contrib -198518 =C2=B1-57% -127.2% 53978 =C2=B1241% sched_debug.cfs_rq[= 25]:/.spread0 15.00 =C2=B1 33% -53.3% 7.00 =C2=B1 0% sched_debug.cfs_rq[= 26]:/.load_avg -166551 =C2=B1-60% -135.2% 58649 =C2=B1214% sched_debug.cfs_rq[= 26]:/.spread0 15.25 =C2=B1 34% -54.1% 7.00 =C2=B1 0% sched_debug.cfs_rq[= 26]:/.tg_load_avg_contrib -195491 =C2=B1-57% -128.4% 55586 =C2=B1227% sched_debug.cfs_rq[= 27]:/.spread0 -189456 =C2=B1-56% -130.0% 56778 =C2=B1222% sched_debug.cfs_rq[= 28]:/.spread0 -198122 =C2=B1-56% -131.1% 61555 =C2=B1202% sched_debug.cfs_rq[= 29]:/.spread0 -267573 =C2=B1-52% -105.6% 14934 =C2=B1816% sched_debug.cfs_rq[= 2]:/.spread0 -196299 =C2=B1-56% -129.7% 58206 =C2=B1217% sched_debug.cfs_rq[= 30]:/.spread0 -188828 =C2=B1-53% -130.7% 57930 =C2=B1219% sched_debug.cfs_rq[= 31]:/.spread0 -197148 =C2=B1-54% -131.1% 61392 =C2=B1204% sched_debug.cfs_rq[= 32]:/.spread0 -191912 =C2=B1-55% -130.1% 57741 =C2=B1218% sched_debug.cfs_rq[= 33]:/.spread0 -196722 =C2=B1-57% -129.5% 58104 =C2=B1215% sched_debug.cfs_rq[= 35]:/.spread0 -802782 =C2=B1-14% -31.0% -554283 =C2=B1-22% sched_debug.cfs_rq[= 37]:/.spread0 183.25 =C2=B1 7% -7.9% 168.75 =C2=B1 0% sched_debug.cfs_rq[= 37]:/.util_avg -798974 =C2=B1-14% -31.3% -548870 =C2=B1-24% sched_debug.cfs_rq[= 38]:/.spread0 -804061 =C2=B1-13% -31.9% -547569 =C2=B1-23% sched_debug.cfs_rq[= 39]:/.spread0 -241212 =C2=B1-46% -104.2% 10110 =C2=B11225% sched_debug.cfs_rq= [3]:/.spread0 -804833 =C2=B1-13% -32.5% -542990 =C2=B1-24% sched_debug.cfs_rq[= 40]:/.spread0 -802162 =C2=B1-13% -31.6% -548407 =C2=B1-23% sched_debug.cfs_rq[= 41]:/.spread0 -804352 =C2=B1-13% -33.8% -532778 =C2=B1-26% sched_debug.cfs_rq[= 43]:/.spread0 -803450 =C2=B1-13% -31.6% -549859 =C2=B1-22% sched_debug.cfs_rq[= 44]:/.spread0 -804660 =C2=B1-13% -32.2% -545711 =C2=B1-22% sched_debug.cfs_rq[= 45]:/.spread0 -803171 =C2=B1-14% -32.8% -540079 =C2=B1-22% sched_debug.cfs_rq[= 46]:/.spread0 -798603 =C2=B1-14% -32.2% -541575 =C2=B1-23% sched_debug.cfs_rq[= 47]:/.spread0 -236187 =C2=B1-45% -106.5% 15418 =C2=B1808% sched_debug.cfs_rq[= 4]:/.spread0 -240043 =C2=B1-46% -105.8% 13821 =C2=B1907% sched_debug.cfs_rq[= 5]:/.spread0 -241134 =C2=B1-45% -105.5% 13348 =C2=B1932% sched_debug.cfs_rq[= 6]:/.spread0 -232614 =C2=B1-43% -104.6% 10696 =C2=B11210% sched_debug.cfs_rq= [7]:/.spread0 -238112 =C2=B1-49% -104.9% 11721 =C2=B11075% sched_debug.cfs_rq= [8]:/.spread0 -239741 =C2=B1-47% -104.1% 9844 =C2=B11305% sched_debug.cfs_rq= [9]:/.spread0 42.00 =C2=B1 12% -31.5% 28.75 =C2=B1 11% sched_debug.cpu#0.l= oad 2239 =C2=B1 9% +14.0% 2553 =C2=B1 11% sched_debug.cpu#0.s= ched_goidle 12835 =C2=B1102% -75.7% 3118 =C2=B1 24% sched_debug.cpu#12.= ttwu_count 952259 =C2=B1 4% -10.0% 857091 =C2=B1 4% sched_debug.cpu#13.= avg_idle 3427 =C2=B1 0% +19.0% 4078 =C2=B1 10% sched_debug.cpu#15.= curr->pid 9061 =C2=B1 55% +132.5% 21068 =C2=B1 47% sched_debug.cpu#22.= nr_switches 10463 =C2=B1 43% +118.0% 22806 =C2=B1 46% sched_debug.cpu#22.= sched_count 1.00 =C2=B1 70% +75.0% 1.75 =C2=B1 93% sched_debug.cpu#28.= nr_uninterruptible 228.25 =C2=B1 18% +22.0% 278.50 =C2=B1 11% sched_debug.cpu#29.= sched_goidle 1880 =C2=B1 53% -62.9% 698.25 =C2=B1 21% sched_debug.cpu#31.= nr_switches 2007 =C2=B1 50% -58.3% 837.50 =C2=B1 17% sched_debug.cpu#31.= sched_count 422.50 =C2=B1 54% -42.1% 244.75 =C2=B1 28% sched_debug.cpu#31.= sched_goidle 1014 =C2=B1 79% -66.5% 340.00 =C2=B1 43% sched_debug.cpu#31.= ttwu_count 619.75 =C2=B1 70% -69.3% 190.50 =C2=B1 37% sched_debug.cpu#31.= ttwu_local 2.00 =C2=B1 86% -50.0% 1.00 =C2=B1 70% sched_debug.cpu#34.= nr_uninterruptible 0.50 =C2=B1300% +0.0% 0.50 =C2=B1100% sched_debug.cpu#35.= nr_uninterruptible 1520 =C2=B1 12% +47.8% 2247 =C2=B1 41% sched_debug.cpu#40.= curr->pid 5218 =C2=B1 20% -67.4% 1703 =C2=B1 15% sched_debug.cpu#41.= ttwu_count 3739 =C2=B1 56% +101.7% 7542 =C2=B1 32% sched_debug.cpu#42.= nr_switches 2.75 =C2=B1 30% -127.3% -0.75 =C2=B1-238% sched_debug.cpu#44= .nr_uninterruptible 1870 =C2=B1 31% +167.9% 5011 =C2=B1 56% sched_debug.cpu#44.= ttwu_count 1849 =C2=B1 27% -23.8% 1410 =C2=B1 0% sched_debug.cpu#46.= curr->pid =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: lkp-xbm/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/pe= rformance/futex2 commit: = 4ae904c494e475048050994f669137c12274da85 81c72584a480c5a4b7eede527d0b990c83c2dcc9 4ae904c494e47504 81c72584a480c5a4b7eede527d = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 3024654 =C2=B1 0% -5.0% 2872390 =C2=B1 0% will-it-scale.per_p= rocess_ops 2475333 =C2=B1 0% -4.8% 2355651 =C2=B1 0% will-it-scale.per_t= hread_ops 7738 =C2=B1 15% +205.2% 23616 =C2=B1 41% cpuidle.C1E-NHM.time 1484 =C2=B1 8% -25.2% 1110 =C2=B1 9% sched_debug.cpu#2.c= urr->pid 1254 =C2=B1 12% -15.1% 1064 =C2=B1 1% slabinfo.kmalloc-51= 2.active_objs 0.00 =C2=B1 -1% +Inf% 1437029 =C2=B1134% latency_stats.avg.n= fs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__gen= eric_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs= _write.SyS_write.entry_SYSCALL_64_fastpath 0.00 =C2=B1 -1% +Inf% 1588478 =C2=B1120% latency_stats.max.n= fs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__gen= eric_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs= _write.SyS_write.entry_SYSCALL_64_fastpath 0.00 =C2=B1 -1% +Inf% 1699671 =C2=B1113% latency_stats.sum.n= fs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__gen= eric_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs= _write.SyS_write.entry_SYSCALL_64_fastpath 0.66 =C2=B1 4% +47.1% 0.97 =C2=B1 6% perf-profile.cpu-cy= cles.___might_sleep.get_futex_key.futex_wait_setup.futex_wait.do_futex 0.00 =C2=B1 -1% +Inf% 2.16 =C2=B1 3% perf-profile.cpu-cy= cles.___might_sleep.get_user_pages_fast.get_futex_key.futex_wait_setup.fute= x_wait 3.68 =C2=B1 5% -6.3% 3.45 =C2=B1 1% perf-profile.cpu-cy= cles._raw_spin_lock.futex_wait_setup.futex_wait.do_futex.sys_futex 1.29 =C2=B1 23% -25.7% 0.96 =C2=B1 4% perf-profile.cpu-cy= cles.get_futex_value_locked.futex_wait_setup.futex_wait.do_futex.sys_futex 21.11 =C2=B1 0% +13.5% 23.95 =C2=B1 0% perf-profile.cpu-cy= cles.get_user_pages_fast.get_futex_key.futex_wait_setup.futex_wait.do_futex 16.09 =C2=B1 1% -10.0% 14.48 =C2=B1 0% perf-profile.cpu-cy= cles.gup_pud_range.get_user_pages_fast.get_futex_key.futex_wait_setup.futex= _wait ivb42: Ivytown Ivy Bridge-EP Memory: 64G lkp-xbm: Sandy Bridge Memory: 2G will-it-scale.per_process_ops 5.45e+06 ++--------------------------------------------------------------= -+ 5.4e+06 *+.*..*.*..*.. .*.. *.. .*.. *.. = | | *.. .* .. .*..*.. .*. + *.= .* 5.35e+06 ++ *..*. * *.. .* *. * = | 5.3e+06 ++ *. = | | = | 5.25e+06 ++ = | 5.2e+06 ++ = | 5.15e+06 ++ O O O = | | O = | 5.1e+06 ++ O O = | 5.05e+06 ++ O O O O O O O O O O O = | O O O O = | 5e+06 ++ O O = | 4.95e+06 ++--------------------------------------------------------------= -+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tes= ts.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provid= ed for informational purposes only. Any difference in system hardware or softw= are design or configuration may affect actual performance. 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7 Oct 2015 22:37:27 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,652,1437462000"; d="yaml'?scan'208";a="821929785" From: kernel test robot Subject: [lkp] [mm] 81c72584a4: -4.3% will-it-scale.per_process_ops CC: lkp@01.org CC: LKML TO: Andrea Arcangeli Date: Thu, 08 Oct 2015 10:37:25 +0800 Message-ID: <877fmyxeze.fsf@yhuang-dev.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git master commit 81c72584a480c5a4b7eede527d0b990c83c2dcc9 ("mm: gup: make get_user_pa= ges_fast and __get_user_pages_fast latency conscious") =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: ivb42/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/perf= ormance/futex1 commit:=20 4ae904c494e475048050994f669137c12274da85 81c72584a480c5a4b7eede527d0b990c83c2dcc9 4ae904c494e47504 81c72584a480c5a4b7eede527d=20 ---------------- --------------------------=20 %stddev %change %stddev \ | \=20=20 5375911 =B1 0% -4.3% 5146855 =B1 0% will-it-scale.per_process= _ops 1605249 =B1 1% -3.1% 1555950 =B1 0% will-it-scale.per_thread_= ops 0.60 =B1 1% -4.2% 0.58 =B1 0% will-it-scale.scalability 9957 =B1 27% -28.6% 7114 =B1 0% numa-meminfo.node0.Mapped 1933 =B1 17% +16.0% 2243 =B1 6% numa-meminfo.node1.PageTa= bles 2488 =B1 27% -28.6% 1777 =B1 0% numa-vmstat.node0.nr_mapp= ed 483.00 =B1 17% +16.0% 560.50 =B1 6% numa-vmstat.node1.nr_page= _table_pages 42.00 =B1 12% -31.5% 28.75 =B1 11% sched_debug.cfs_rq[0]:/.l= oad 2032736 =B1 5% -12.5% 1779371 =B1 7% sched_debug.cfs_rq[0]:/.m= in_vruntime -300090 =B1-69% -103.1% 9378 =B11396% sched_debug.cfs_rq[10]:/= .spread0 -235906 =B1-47% -103.2% 7486 =B11760% sched_debug.cfs_rq[11]:/= .spread0 -885383 =B1-11% -29.4% -625333 =B1-21% sched_debug.cfs_rq[13]:/.= spread0 -883477 =B1-12% -28.4% -632137 =B1-19% sched_debug.cfs_rq[14]:/.= spread0 -881069 =B1-12% -28.6% -629181 =B1-20% sched_debug.cfs_rq[15]:/.= spread0 -888493 =B1-12% -29.9% -622785 =B1-19% sched_debug.cfs_rq[16]:/.= spread0 -883314 =B1-13% -28.9% -627753 =B1-20% sched_debug.cfs_rq[17]:/.= spread0 -1037778 =B1-20% -39.9% -623972 =B1-21% sched_debug.cfs_rq[18]:/.= spread0 -882564 =B1-12% -29.3% -623573 =B1-20% sched_debug.cfs_rq[19]:/.= spread0 -237868 =B1-46% -106.0% 14369 =B1854% sched_debug.cfs_rq[1]:/.s= pread0 -870685 =B1-11% -29.7% -612118 =B1-18% sched_debug.cfs_rq[20]:/.= spread0 -879689 =B1-12% -29.5% -620241 =B1-20% sched_debug.cfs_rq[21]:/.= spread0 -872185 =B1-13% -27.7% -630771 =B1-21% sched_debug.cfs_rq[22]:/.= spread0 -882721 =B1-12% -28.3% -633288 =B1-21% sched_debug.cfs_rq[23]:/.= spread0 13.25 =B1 47% +98.1% 26.25 =B1 29% sched_debug.cfs_rq[24]:/.= tg_load_avg_contrib -198518 =B1-57% -127.2% 53978 =B1241% sched_debug.cfs_rq[25]:/.= spread0 15.00 =B1 33% -53.3% 7.00 =B1 0% sched_debug.cfs_rq[26]:/.= load_avg -166551 =B1-60% -135.2% 58649 =B1214% sched_debug.cfs_rq[26]:/.= spread0 15.25 =B1 34% -54.1% 7.00 =B1 0% sched_debug.cfs_rq[26]:/.= tg_load_avg_contrib -195491 =B1-57% -128.4% 55586 =B1227% sched_debug.cfs_rq[27]:/.= spread0 -189456 =B1-56% -130.0% 56778 =B1222% sched_debug.cfs_rq[28]:/.= spread0 -198122 =B1-56% -131.1% 61555 =B1202% sched_debug.cfs_rq[29]:/.= spread0 -267573 =B1-52% -105.6% 14934 =B1816% sched_debug.cfs_rq[2]:/.s= pread0 -196299 =B1-56% -129.7% 58206 =B1217% sched_debug.cfs_rq[30]:/.= spread0 -188828 =B1-53% -130.7% 57930 =B1219% sched_debug.cfs_rq[31]:/.= spread0 -197148 =B1-54% -131.1% 61392 =B1204% sched_debug.cfs_rq[32]:/.= spread0 -191912 =B1-55% -130.1% 57741 =B1218% sched_debug.cfs_rq[33]:/.= spread0 -196722 =B1-57% -129.5% 58104 =B1215% sched_debug.cfs_rq[35]:/.= spread0 -802782 =B1-14% -31.0% -554283 =B1-22% sched_debug.cfs_rq[37]:/.= spread0 183.25 =B1 7% -7.9% 168.75 =B1 0% sched_debug.cfs_rq[37]:/.= util_avg -798974 =B1-14% -31.3% -548870 =B1-24% sched_debug.cfs_rq[38]:/.= spread0 -804061 =B1-13% -31.9% -547569 =B1-23% sched_debug.cfs_rq[39]:/.= spread0 -241212 =B1-46% -104.2% 10110 =B11225% sched_debug.cfs_rq[3]:/.= spread0 -804833 =B1-13% -32.5% -542990 =B1-24% sched_debug.cfs_rq[40]:/.= spread0 -802162 =B1-13% -31.6% -548407 =B1-23% sched_debug.cfs_rq[41]:/.= spread0 -804352 =B1-13% -33.8% -532778 =B1-26% sched_debug.cfs_rq[43]:/.= spread0 -803450 =B1-13% -31.6% -549859 =B1-22% sched_debug.cfs_rq[44]:/.= spread0 -804660 =B1-13% -32.2% -545711 =B1-22% sched_debug.cfs_rq[45]:/.= spread0 -803171 =B1-14% -32.8% -540079 =B1-22% sched_debug.cfs_rq[46]:/.= spread0 -798603 =B1-14% -32.2% -541575 =B1-23% sched_debug.cfs_rq[47]:/.= spread0 -236187 =B1-45% -106.5% 15418 =B1808% sched_debug.cfs_rq[4]:/.s= pread0 -240043 =B1-46% -105.8% 13821 =B1907% sched_debug.cfs_rq[5]:/.s= pread0 -241134 =B1-45% -105.5% 13348 =B1932% sched_debug.cfs_rq[6]:/.s= pread0 -232614 =B1-43% -104.6% 10696 =B11210% sched_debug.cfs_rq[7]:/.= spread0 -238112 =B1-49% -104.9% 11721 =B11075% sched_debug.cfs_rq[8]:/.= spread0 -239741 =B1-47% -104.1% 9844 =B11305% sched_debug.cfs_rq[9]:/.= spread0 42.00 =B1 12% -31.5% 28.75 =B1 11% sched_debug.cpu#0.load 2239 =B1 9% +14.0% 2553 =B1 11% sched_debug.cpu#0.sched_g= oidle 12835 =B1102% -75.7% 3118 =B1 24% sched_debug.cpu#12.ttwu_c= ount 952259 =B1 4% -10.0% 857091 =B1 4% sched_debug.cpu#13.avg_id= le 3427 =B1 0% +19.0% 4078 =B1 10% sched_debug.cpu#15.curr->= pid 9061 =B1 55% +132.5% 21068 =B1 47% sched_debug.cpu#22.nr_swi= tches 10463 =B1 43% +118.0% 22806 =B1 46% sched_debug.cpu#22.sched_= count 1.00 =B1 70% +75.0% 1.75 =B1 93% sched_debug.cpu#28.nr_uni= nterruptible 228.25 =B1 18% +22.0% 278.50 =B1 11% sched_debug.cpu#29.sched_= goidle 1880 =B1 53% -62.9% 698.25 =B1 21% sched_debug.cpu#31.nr_swi= tches 2007 =B1 50% -58.3% 837.50 =B1 17% sched_debug.cpu#31.sched_= count 422.50 =B1 54% -42.1% 244.75 =B1 28% sched_debug.cpu#31.sched_= goidle 1014 =B1 79% -66.5% 340.00 =B1 43% sched_debug.cpu#31.ttwu_c= ount 619.75 =B1 70% -69.3% 190.50 =B1 37% sched_debug.cpu#31.ttwu_l= ocal 2.00 =B1 86% -50.0% 1.00 =B1 70% sched_debug.cpu#34.nr_uni= nterruptible 0.50 =B1300% +0.0% 0.50 =B1100% sched_debug.cpu#35.nr_uni= nterruptible 1520 =B1 12% +47.8% 2247 =B1 41% sched_debug.cpu#40.curr->= pid 5218 =B1 20% -67.4% 1703 =B1 15% sched_debug.cpu#41.ttwu_c= ount 3739 =B1 56% +101.7% 7542 =B1 32% sched_debug.cpu#42.nr_swi= tches 2.75 =B1 30% -127.3% -0.75 =B1-238% sched_debug.cpu#44.nr_un= interruptible 1870 =B1 31% +167.9% 5011 =B1 56% sched_debug.cpu#44.ttwu_c= ount 1849 =B1 27% -23.8% 1410 =B1 0% sched_debug.cpu#46.curr->= pid =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: lkp-xbm/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/pe= rformance/futex2 commit:=20 4ae904c494e475048050994f669137c12274da85 81c72584a480c5a4b7eede527d0b990c83c2dcc9 4ae904c494e47504 81c72584a480c5a4b7eede527d=20 ---------------- --------------------------=20 %stddev %change %stddev \ | \=20=20 3024654 =B1 0% -5.0% 2872390 =B1 0% will-it-scale.per_process= _ops 2475333 =B1 0% -4.8% 2355651 =B1 0% will-it-scale.per_thread_= ops 7738 =B1 15% +205.2% 23616 =B1 41% cpuidle.C1E-NHM.time 1484 =B1 8% -25.2% 1110 =B1 9% sched_debug.cpu#2.curr->p= id 1254 =B1 12% -15.1% 1064 =B1 1% slabinfo.kmalloc-512.acti= ve_objs 0.00 =B1 -1% +Inf% 1437029 =B1134% latency_stats.avg.nfs_wai= t_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_f= ile_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write= .SyS_write.entry_SYSCALL_64_fastpath 0.00 =B1 -1% +Inf% 1588478 =B1120% latency_stats.max.nfs_wai= t_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_f= ile_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write= .SyS_write.entry_SYSCALL_64_fastpath 0.00 =B1 -1% +Inf% 1699671 =B1113% latency_stats.sum.nfs_wai= t_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_f= ile_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write= .SyS_write.entry_SYSCALL_64_fastpath 0.66 =B1 4% +47.1% 0.97 =B1 6% perf-profile.cpu-cycles._= __might_sleep.get_futex_key.futex_wait_setup.futex_wait.do_futex 0.00 =B1 -1% +Inf% 2.16 =B1 3% perf-profile.cpu-cycles._= __might_sleep.get_user_pages_fast.get_futex_key.futex_wait_setup.futex_wait 3.68 =B1 5% -6.3% 3.45 =B1 1% perf-profile.cpu-cycles._= raw_spin_lock.futex_wait_setup.futex_wait.do_futex.sys_futex 1.29 =B1 23% -25.7% 0.96 =B1 4% perf-profile.cpu-cycles.g= et_futex_value_locked.futex_wait_setup.futex_wait.do_futex.sys_futex 21.11 =B1 0% +13.5% 23.95 =B1 0% perf-profile.cpu-cycles.g= et_user_pages_fast.get_futex_key.futex_wait_setup.futex_wait.do_futex 16.09 =B1 1% -10.0% 14.48 =B1 0% perf-profile.cpu-cycles.g= up_pud_range.get_user_pages_fast.get_futex_key.futex_wait_setup.futex_wait ivb42: Ivytown Ivy Bridge-EP Memory: 64G lkp-xbm: Sandy Bridge Memory: 2G will-it-scale.per_process_ops 5.45e+06 ++--------------------------------------------------------------= -+ 5.4e+06 *+.*..*.*..*.. .*.. *.. .*.. *.. = | | *.. .* .. .*..*.. .*. + *.= .* 5.35e+06 ++ *..*. * *.. .* *. * = | 5.3e+06 ++ *. = | | = | 5.25e+06 ++ = | 5.2e+06 ++ = | 5.15e+06 ++ O O O = | | O = | 5.1e+06 ++ O O = | 5.05e+06 ++ O O O O O O O O O O O = | O O O O = | 5e+06 ++ O O = | 4.95e+06 ++--------------------------------------------------------------= -+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tes= ts.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provid= ed for informational purposes only. Any difference in system hardware or softw= are design or configuration may affect actual performance. Thanks, Ying Huang --=-=-= Content-Type: text/plain; charset=ascii Content-Disposition: attachment; filename=job.yaml --- LKP_SERVER: inn LKP_CGI_PORT: 80 LKP_CIFS_PORT: 139 testcase: will-it-scale default-monitors: wait: activate-monitor kmsg: uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: interval: 10 meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 60 cpufreq_governor: performance default-watchdogs: oom-killer: watchdog: commit: 2467d35aecc439fb2513b2c0bd5d9f84c4160b33 model: Ivytown Ivy Bridge-EP nr_cpu: 48 memory: 64G swap_partitions: LABEL=SWAP rootfs_partition: LABEL=LKP-ROOTFS category: benchmark perf-profile: freq: 800 will-it-scale: test: futex1 queue: cyclic testbox: ivb42 tbox_group: ivb42 kconfig: x86_64-rhel enqueue_time: 2015-10-02 17:16:06.962440531 +08:00 id: e51188816935e4c607ffadca6db032aba1223368 user: lkp compiler: gcc-4.9 head_commit: 2467d35aecc439fb2513b2c0bd5d9f84c4160b33 base_commit: 9ffecb10283508260936b96022d4ee43a7798b4c branch: linux-devel/devel-hourly-2015100216 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/2467d35aecc439fb2513b2c0bd5d9f84c4160b33/vmlinuz-4.3.0-rc3-wl-ath-05763-g2467d35" rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/will-it-scale/performance-futex1/ivb42/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/2467d35aecc439fb2513b2c0bd5d9f84c4160b33/0" job_file: "/lkp/scheduled/ivb42/cyclic_will-it-scale-performance-futex1-x86_64-rhel-CYCLIC_HEAD-2467d35aecc439fb2513b2c0bd5d9f84c4160b33-20151002-32531-1jfkft4-0.yaml" dequeue_time: 2015-10-03 02:18:39.906705839 +08:00 max_uptime: 1500 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/ivb42/cyclic_will-it-scale-performance-futex1-x86_64-rhel-CYCLIC_HEAD-2467d35aecc439fb2513b2c0bd5d9f84c4160b33-20151002-32531-1jfkft4-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2015100216 - commit=2467d35aecc439fb2513b2c0bd5d9f84c4160b33 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/2467d35aecc439fb2513b2c0bd5d9f84c4160b33/vmlinuz-4.3.0-rc3-wl-ath-05763-g2467d35 - max_uptime=1500 - RESULT_ROOT=/result/will-it-scale/performance-futex1/ivb42/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/2467d35aecc439fb2513b2c0bd5d9f84c4160b33/0 - LKP_SERVER=inn - |2- earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz" modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/2467d35aecc439fb2513b2c0bd5d9f84c4160b33/modules.cgz" bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/lkp/benchmarks/will-it-scale.cgz" job_state: finished loadavg: 41.86 18.81 7.34 1/493 9291 start_time: '1443809957' end_time: '1443810267' version: "/lkp/lkp/.src-20151001-230432" --=-=-= Content-Type: text/plain; charset=ascii Content-Disposition: attachment; filename=reproduce echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor ./runtest.py futex1 25 both 1 12 24 36 48 --=-=-=--