From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============2950280708678263069==" MIME-Version: 1.0 From: kernel test robot To: lkp@lists.01.org Subject: [futex] 65d8fc777f: +25.6% will-it-scale.per_process_ops Date: Mon, 29 Feb 2016 16:36:38 +0800 Message-ID: <871t7vzze1.fsf@yhuang-dev.intel.com> List-Id: --===============2950280708678263069== 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/next/linux-next.git master commit 65d8fc777f6dcfee12785c057a6b57f679641c90 ("futex: Remove requirement= for lock_page() in get_futex_key()") =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase: gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/lkp-sbx04/fu= tex1/will-it-scale commit: = 8ad7b378d0d016309014cae0f640434bca7b5e11 65d8fc777f6dcfee12785c057a6b57f679641c90 8ad7b378d0d01630 65d8fc777f6dcfee12785c057a = ---------------- -------------------------- = %stddev %change %stddev \ | \ = 5076304 =C2=B1 0% +25.6% 6374220 =C2=B1 0% will-it-scale.per_p= rocess_ops 1194117 =C2=B1 0% +14.4% 1366153 =C2=B1 1% will-it-scale.per_t= hread_ops 0.58 =C2=B1 0% -2.0% 0.57 =C2=B1 0% will-it-scale.scala= bility 6820 =C2=B1 0% -19.6% 5483 =C2=B1 15% meminfo.AnonHugePag= es 2652 =C2=B1 5% -10.4% 2375 =C2=B1 2% vmstat.system.cs 2848 =C2=B1 32% +141.2% 6870 =C2=B1 65% numa-meminfo.node1.= Active(anon) 2832 =C2=B1 31% +57.6% 4465 =C2=B1 27% numa-meminfo.node1.= AnonPages 15018 =C2=B1 12% -23.3% 11515 =C2=B1 15% numa-meminfo.node2.= AnonPages 1214 =C2=B1 14% -22.8% 936.75 =C2=B1 20% numa-meminfo.node3.= PageTables 712.25 =C2=B1 32% +141.2% 1718 =C2=B1 65% numa-vmstat.node1.n= r_active_anon 708.25 =C2=B1 31% +57.7% 1116 =C2=B1 27% numa-vmstat.node1.n= r_anon_pages 3754 =C2=B1 12% -23.3% 2879 =C2=B1 15% numa-vmstat.node2.n= r_anon_pages 304.75 =C2=B1 14% -23.1% 234.50 =C2=B1 20% numa-vmstat.node3.n= r_page_table_pages 3.53 =C2=B1 1% -100.0% 0.00 =C2=B1 -1% perf-profile.cycles= .___might_sleep.__might_sleep.get_futex_key.futex_wake.do_futex 4.34 =C2=B1 1% -100.0% 0.00 =C2=B1 -1% perf-profile.cycles= .__might_sleep.get_futex_key.futex_wake.do_futex.sys_futex 1.27 =C2=B1 3% -100.0% 0.00 =C2=B1 -1% perf-profile.cycles= .__wake_up_bit.unlock_page.get_futex_key.futex_wake.do_futex 4.36 =C2=B1 1% +29.6% 5.65 =C2=B1 1% perf-profile.cycles= .drop_futex_key_refs.isra.12.futex_wake.do_futex.sys_futex.entry_SYSCALL_64= _fastpath 6.69 =C2=B1 1% +28.1% 8.57 =C2=B1 0% perf-profile.cycles= .entry_SYSCALL_64 6.73 =C2=B1 0% +30.6% 8.79 =C2=B1 0% perf-profile.cycles= .entry_SYSCALL_64_after_swapgs 74.21 =C2=B1 0% -11.0% 66.06 =C2=B1 0% perf-profile.cycles= .futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath 59.05 =C2=B1 0% -21.4% 46.40 =C2=B1 0% perf-profile.cycles= .get_futex_key.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath 4.12 =C2=B1 0% +78.5% 7.36 =C2=B1 1% perf-profile.cycles= .get_futex_key_refs.isra.11.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_= fastpath 2.27 =C2=B1 3% +24.1% 2.82 =C2=B1 4% perf-profile.cycles= .get_user_pages_fast.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath 26.95 =C2=B1 0% +30.0% 35.04 =C2=B1 1% perf-profile.cycles= .get_user_pages_fast.get_futex_key.futex_wake.do_futex.sys_futex 13.43 =C2=B1 0% +27.2% 17.09 =C2=B1 1% perf-profile.cycles= .gup_pte_range.gup_pud_range.get_user_pages_fast.get_futex_key.futex_wake 19.66 =C2=B1 1% +28.4% 25.24 =C2=B1 0% perf-profile.cycles= .gup_pud_range.get_user_pages_fast.get_futex_key.futex_wake.do_futex 4.33 =C2=B1 1% +37.0% 5.93 =C2=B1 4% perf-profile.cycles= .hash_futex.do_futex.sys_futex.entry_SYSCALL_64_fastpath 13.59 =C2=B1 0% -100.0% 0.00 =C2=B1 -1% perf-profile.cycles= .unlock_page.get_futex_key.futex_wake.do_futex.sys_futex 15160 =C2=B1 19% -34.8% 9883 =C2=B1 0% sched_debug.cfs_rq:= /.exec_clock.min 27.25 =C2=B1 15% -37.6% 17.00 =C2=B1 8% sched_debug.cfs_rq:= /.load_avg.7 21.00 =C2=B1 38% -27.4% 15.25 =C2=B1 2% sched_debug.cpu.cpu= _load[2].1 21.00 =C2=B1 38% -27.4% 15.25 =C2=B1 2% sched_debug.cpu.cpu= _load[3].1 21.00 =C2=B1 38% -27.4% 15.25 =C2=B1 2% sched_debug.cpu.cpu= _load[4].1 1790 =C2=B1 0% +42.4% 2549 =C2=B1 45% sched_debug.cpu.cur= r->pid.21 50033 =C2=B1 4% -6.8% 46622 =C2=B1 4% sched_debug.cpu.nr_= load_updates.29 4398 =C2=B1 42% +103.5% 8949 =C2=B1 23% sched_debug.cpu.nr_= switches.11 7452 =C2=B1 34% +111.3% 15744 =C2=B1 54% sched_debug.cpu.nr_= switches.20 3739 =C2=B1 13% +213.5% 11723 =C2=B1 40% sched_debug.cpu.nr_= switches.23 1648 =C2=B1 53% +96.5% 3239 =C2=B1 63% sched_debug.cpu.nr_= switches.51 0.25 =C2=B1519% -1300.0% -3.00 =C2=B1-52% sched_debug.cpu.nr_= uninterruptible.24 8632 =C2=B1 16% -32.5% 5823 =C2=B1 19% sched_debug.cpu.sch= ed_count.1 5091 =C2=B1 36% +137.5% 12092 =C2=B1 31% sched_debug.cpu.sch= ed_count.11 12453 =C2=B1 90% -74.6% 3159 =C2=B1 24% sched_debug.cpu.sch= ed_count.2 7782 =C2=B1 32% +118.2% 16977 =C2=B1 46% sched_debug.cpu.sch= ed_count.20 2665 =C2=B1 48% -49.8% 1337 =C2=B1 30% sched_debug.cpu.sch= ed_count.32 1365 =C2=B1 11% -14.0% 1174 =C2=B1 3% sched_debug.cpu.sch= ed_count.45 1693 =C2=B1 51% +147.7% 4193 =C2=B1 42% sched_debug.cpu.sch= ed_count.51 5023 =C2=B1 57% -51.5% 2434 =C2=B1 43% sched_debug.cpu.sch= ed_count.57 1705 =C2=B1 16% +129.6% 3915 =C2=B1 48% sched_debug.cpu.sch= ed_goidle.23 536.25 =C2=B1 14% -18.7% 435.75 =C2=B1 2% sched_debug.cpu.sch= ed_goidle.45 1228 =C2=B1 19% -27.3% 892.50 =C2=B1 17% sched_debug.cpu.sch= ed_goidle.5 1919 =C2=B1 55% +88.5% 3617 =C2=B1 37% sched_debug.cpu.ttw= u_count.11 7699 =C2=B1 35% -43.7% 4335 =C2=B1 43% sched_debug.cpu.ttw= u_count.24 5380 =C2=B1 36% -45.6% 2926 =C2=B1 18% sched_debug.cpu.ttw= u_count.30 563.25 =C2=B1 20% +140.3% 1353 =C2=B1 38% sched_debug.cpu.ttw= u_local.11 4297 =C2=B1 46% -49.1% 2186 =C2=B1 39% sched_debug.cpu.ttw= u_local.24 2828 =C2=B1 47% -47.8% 1475 =C2=B1 34% sched_debug.cpu.ttw= u_local.27 3243 =C2=B1 36% -54.3% 1482 =C2=B1 32% sched_debug.cpu.ttw= u_local.30 199.25 =C2=B1 6% +100.6% 399.75 =C2=B1 32% sched_debug.cpu.ttw= u_local.44 1158 =C2=B1 64% -67.3% 379.00 =C2=B1 46% sched_debug.cpu.ttw= u_local.54 242.25 =C2=B1 21% +51.0% 365.75 =C2=B1 19% sched_debug.cpu.ttw= u_local.55 1009 =C2=B1 26% -50.8% 496.50 =C2=B1 44% sched_debug.cpu.ttw= u_local.59 1736 =C2=B1 53% -67.8% 559.25 =C2=B1 22% sched_debug.cpu.ttw= u_local.9 lkp-sbx04: Sandy Bridge-EX Memory: 64G perf-profile.cycles.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastp= ath 76 ++--------------------------------------------------------------------= -+ | = | 74 ++ .*.. .*..*..*.. .*.. .*.. .*.. .*.. .*..*..*..* = | *..*. *..*..*. *..*. *.*. *. *. *. = | | = | 72 ++ = | | = | 70 ++ = | | = | 68 ++ = | | = | | O O O O O O O O O O O = | 66 O+ O O O O = O | O O O O O O O = | 64 ++-------------O------------------------------------------------------= -+ will-it-scale.per_process_ops 6.6e+06 O+----O-O--O-----------------------------------------------------= -+ | O O O O O = | 6.4e+06 ++ O O O O O O O O O O O O O O O = O | = | 6.2e+06 ++ = | 6e+06 ++ = | | = | 5.8e+06 ++ = | | = | 5.6e+06 ++ = | 5.4e+06 ++ = | | = | 5.2e+06 ++ = | *..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.* = | 5e+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 --===============2950280708678263069== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="job.yaml" LS0tCkxLUF9TRVJWRVI6IGlubgpMS1BfQ0dJX1BPUlQ6IDgwCkxLUF9DSUZTX1BPUlQ6IDEzOQp0 ZXN0Y2FzZTogd2lsbC1pdC1zY2FsZQpkZWZhdWx0LW1vbml0b3JzOgogIHdhaXQ6IGFjdGl2YXRl LW1vbml0b3IKICBrbXNnOiAKICB1cHRpbWU6IAogIGlvc3RhdDogCiAgaGVhcnRiZWF0OiAKICB2 bXN0YXQ6IAogIG51bWEtbnVtYXN0YXQ6IAogIG51bWEtdm1zdGF0OiAKICBudW1hLW1lbWluZm86 IAogIHByb2Mtdm1zdGF0OiAKICBwcm9jLXN0YXQ6CiAgICBpbnRlcnZhbDogMTAKICBtZW1pbmZv OiAKICBzbGFiaW5mbzogCiAgaW50ZXJydXB0czogCiAgbG9ja19zdGF0OiAKICBsYXRlbmN5X3N0 YXRzOiAKICBzb2Z0aXJxczogCiAgYmRpX2Rldl9tYXBwaW5nOiAKICBkaXNrc3RhdHM6IAogIG5m c3N0YXQ6IAogIGNwdWlkbGU6IAogIGNwdWZyZXEtc3RhdHM6IAogIHR1cmJvc3RhdDogCiAgcG1l dGVyOiAKICBzY2hlZF9kZWJ1ZzoKICAgIGludGVydmFsOiA2MApjcHVmcmVxX2dvdmVybm9yOiBw ZXJmb3JtYW5jZQpkZWZhdWx0LXdhdGNoZG9nczoKICBvb20ta2lsbGVyOiAKICB3YXRjaGRvZzog CmNvbW1pdDogNjVkOGZjNzc3ZjZkY2ZlZTEyNzg1YzA1N2E2YjU3ZjY3OTY0MWM5MAptb2RlbDog U2FuZHkgQnJpZGdlLUVYCm5yX2NwdTogNjQKbWVtb3J5OiA2NEcKbnJfc3NkX3BhcnRpdGlvbnM6 IDcKc3NkX3BhcnRpdGlvbnM6ICIvZGV2L2Rpc2svYnktaWQvYXRhLUlOVEVMX1NTRFNDMiotcGFy dDEiCnN3YXBfcGFydGl0aW9uczogCmNhdGVnb3J5OiBiZW5jaG1hcmsKcGVyZi1wcm9maWxlOgog IGZyZXE6IDgwMAp3aWxsLWl0LXNjYWxlOgogIHRlc3Q6IGZ1dGV4MQpxdWV1ZTogYmlzZWN0CnRl c3Rib3g6IGxrcC1zYngwNAp0Ym94X2dyb3VwOiBsa3Atc2J4MDQKa2NvbmZpZzogeDg2XzY0LXJo ZWwKZW5xdWV1ZV90aW1lOiAyMDE2LTAyLTI4IDIzOjQ1OjUyLjE5OTE2NTU2MyArMDg6MDAKY29t cGlsZXI6IGdjYy00LjkKcm9vdGZzOiBkZWJpYW4teDg2XzY0LTIwMTUtMDItMDcuY2d6CmlkOiA2 YjJjMmJkNzQ0ZGQ4OTgwMDk2NDhjYjgyZGU3ZTBiYTc3ZGUzM2YxCnVzZXI6IGxrcApoZWFkX2Nv bW1pdDogZWQ1MjBjMzI3YzQyNTllYzA4YjE2NzcwMjMwODdmNjU4MzI5Yjk2MQpiYXNlX2NvbW1p dDogODFmNzBiYTIzM2Q1ZjY2MGUxZWE1ZmUyMzI2MGVlMzIzYWY1ZDUzYQpicmFuY2g6IGxpbnV4 LWRldmVsL2RldmVsLWhvdXJseS0yMDE2MDIyODExCnJlc3VsdF9yb290OiAiL3Jlc3VsdC93aWxs LWl0LXNjYWxlL3BlcmZvcm1hbmNlLWZ1dGV4MS9sa3Atc2J4MDQvZGViaWFuLXg4Nl82NC0yMDE1 LTAyLTA3LmNnei94ODZfNjQtcmhlbC9nY2MtNC45LzY1ZDhmYzc3N2Y2ZGNmZWUxMjc4NWMwNTdh NmI1N2Y2Nzk2NDFjOTAvMCIKam9iX2ZpbGU6ICIvbGtwL3NjaGVkdWxlZC9sa3Atc2J4MDQvYmlz ZWN0X3dpbGwtaXQtc2NhbGUtcGVyZm9ybWFuY2UtZnV0ZXgxLWRlYmlhbi14ODZfNjQtMjAxNS0w Mi0wNy5jZ3oteDg2XzY0LXJoZWwtNjVkOGZjNzc3ZjZkY2ZlZTEyNzg1YzA1N2E2YjU3ZjY3OTY0 MWM5MC0yMDE2MDIyOC0yMzY1MC0xN2M0cWMxLTAueWFtbCIKbWF4X3VwdGltZTogMTUwMAppbml0 cmQ6ICIvb3NpbWFnZS9kZWJpYW4vZGViaWFuLXg4Nl82NC0yMDE1LTAyLTA3LmNneiIKYm9vdGxv YWRlcl9hcHBlbmQ6Ci0gcm9vdD0vZGV2L3JhbTAKLSB1c2VyPWxrcAotIGpvYj0vbGtwL3NjaGVk dWxlZC9sa3Atc2J4MDQvYmlzZWN0X3dpbGwtaXQtc2NhbGUtcGVyZm9ybWFuY2UtZnV0ZXgxLWRl Ymlhbi14ODZfNjQtMjAxNS0wMi0wNy5jZ3oteDg2XzY0LXJoZWwtNjVkOGZjNzc3ZjZkY2ZlZTEy Nzg1YzA1N2E2YjU3ZjY3OTY0MWM5MC0yMDE2MDIyOC0yMzY1MC0xN2M0cWMxLTAueWFtbAotIEFS Q0g9eDg2XzY0Ci0ga2NvbmZpZz14ODZfNjQtcmhlbAotIGJyYW5jaD1saW51eC1kZXZlbC9kZXZl bC1ob3VybHktMjAxNjAyMjgxMQotIGNvbW1pdD02NWQ4ZmM3NzdmNmRjZmVlMTI3ODVjMDU3YTZi NTdmNjc5NjQxYzkwCi0gQk9PVF9JTUFHRT0vcGtnL2xpbnV4L3g4Nl82NC1yaGVsL2djYy00Ljkv NjVkOGZjNzc3ZjZkY2ZlZTEyNzg1YzA1N2E2YjU3ZjY3OTY0MWM5MC92bWxpbnV6LTQuNS4wLXJj My0wMDIzNS1nNjVkOGZjNwotIG1heF91cHRpbWU9MTUwMAotIFJFU1VMVF9ST09UPS9yZXN1bHQv d2lsbC1pdC1zY2FsZS9wZXJmb3JtYW5jZS1mdXRleDEvbGtwLXNieDA0L2RlYmlhbi14ODZfNjQt MjAxNS0wMi0wNy5jZ3oveDg2XzY0LXJoZWwvZ2NjLTQuOS82NWQ4ZmM3NzdmNmRjZmVlMTI3ODVj MDU3YTZiNTdmNjc5NjQxYzkwLzAKLSBMS1BfU0VSVkVSPWlubgotIHwyLQoKCiAgZWFybHlwcmlu dGs9dHR5UzAsMTE1MjAwIHN5c3RlbWQubG9nX2xldmVsPWVycgogIGRlYnVnIGFwaWM9ZGVidWcg c3lzcnFfYWx3YXlzX2VuYWJsZWQgcmN1cGRhdGUucmN1X2NwdV9zdGFsbF90aW1lb3V0PTEwMAog IHBhbmljPS0xIHNvZnRsb2NrdXBfcGFuaWM9MSBubWlfd2F0Y2hkb2c9cGFuaWMgb29wcz1wYW5p YyBsb2FkX3JhbWRpc2s9MiBwcm9tcHRfcmFtZGlzaz0wCiAgY29uc29sZT10dHlTMCwxMTUyMDAg Y29uc29sZT10dHkwIHZnYT1ub3JtYWwKCiAgcncKbGtwX2luaXRyZDogIi9sa3AvbGtwL2xrcC14 ODZfNjQuY2d6Igptb2R1bGVzX2luaXRyZDogIi9wa2cvbGludXgveDg2XzY0LXJoZWwvZ2NjLTQu OS82NWQ4ZmM3NzdmNmRjZmVlMTI3ODVjMDU3YTZiNTdmNjc5NjQxYzkwL21vZHVsZXMuY2d6Igpi bV9pbml0cmQ6ICIvb3NpbWFnZS9kZXBzL2RlYmlhbi14ODZfNjQtMjAxNS0wMi0wNy5jZ3ovbGtw LmNneiwvb3NpbWFnZS9kZXBzL2RlYmlhbi14ODZfNjQtMjAxNS0wMi0wNy5jZ3ovcnVuLWlwY29u ZmlnLmNneiwvb3NpbWFnZS9kZXBzL2RlYmlhbi14ODZfNjQtMjAxNS0wMi0wNy5jZ3ovdHVyYm9z dGF0LmNneiwvbGtwL2JlbmNobWFya3MvdHVyYm9zdGF0LmNneiwvb3NpbWFnZS9kZXBzL2RlYmlh bi14ODZfNjQtMjAxNS0wMi0wNy5jZ3ovd2lsbC1pdC1zY2FsZS5jZ3osL2xrcC9iZW5jaG1hcmtz L3dpbGwtaXQtc2NhbGUuY2d6LC9sa3AvYmVuY2htYXJrcy93aWxsLWl0LXNjYWxlLXg4Nl82NC5j Z3oiCmxpbnV4X2hlYWRlcnNfaW5pdHJkOiAiL3BrZy9saW51eC94ODZfNjQtcmhlbC9nY2MtNC45 LzY1ZDhmYzc3N2Y2ZGNmZWUxMjc4NWMwNTdhNmI1N2Y2Nzk2NDFjOTAvbGludXgtaGVhZGVycy5j Z3oiCnJlcGVhdF90bzogMgprZXJuZWw6ICIvcGtnL2xpbnV4L3g4Nl82NC1yaGVsL2djYy00Ljkv NjVkOGZjNzc3ZjZkY2ZlZTEyNzg1YzA1N2E2YjU3ZjY3OTY0MWM5MC92bWxpbnV6LTQuNS4wLXJj My0wMDIzNS1nNjVkOGZjNyIKZGVxdWV1ZV90aW1lOiAyMDE2LTAyLTI4IDIzOjQ2OjMzLjkzODkx NTE3OCArMDg6MDAKam9iX3N0YXRlOiBmaW5pc2hlZApsb2FkYXZnOiA0NS4yNyAyMC4xMiA3Ljg0 IDIvNjQ5IDExNTU5CnN0YXJ0X3RpbWU6ICcxNDU2Njc0NDQ1JwplbmRfdGltZTogJzE0NTY2NzQ3 NTQnCnZlcnNpb246ICIvbGtwL2xrcC8uc3JjLTIwMTYwMjI2LTE5NDkwOCIK --===============2950280708678263069== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce.ksh" MjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3Rl bS9jcHUvY3B1MC9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBl Y2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MS9jcHVmcmVxL3Nj YWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5 cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MTAvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYt MDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1 L2NwdTExL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8g cGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUxMi9jcHVmcmVxL3NjYWxp bmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9k ZXZpY2VzL3N5c3RlbS9jcHUvY3B1MTMvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDIt MjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2Nw dTE0L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVy Zm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUxNS9jcHVmcmVxL3NjYWxpbmdf Z292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZp Y2VzL3N5c3RlbS9jcHUvY3B1MTYvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjgg MjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTE3 L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9y bWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUxOC9jcHVmcmVxL3NjYWxpbmdfZ292 ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2Vz L3N5c3RlbS9jcHUvY3B1MTkvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6 NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTIvY3B1 ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5j ZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTIwL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5v cgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lz dGVtL2NwdS9jcHUyMS9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0Nzoy NCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MjIvY3B1ZnJl cS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+ IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTIzL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoy MDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVt L2NwdS9jcHUyNC9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBl Y2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MjUvY3B1ZnJlcS9z Y2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9z eXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTI2L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2 LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2Nw dS9jcHUyNy9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hv IHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MjgvY3B1ZnJlcS9zY2Fs aW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMv ZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTI5L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAy LTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9j cHUzL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVy Zm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUzMC9jcHVmcmVxL3NjYWxpbmdf Z292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZp Y2VzL3N5c3RlbS9jcHUvY3B1MzEvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjgg MjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTMy L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9y bWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUzMy9jcHVmcmVxL3NjYWxpbmdfZ292 ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2Vz L3N5c3RlbS9jcHUvY3B1MzQvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6 NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTM1L2Nw dWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFu Y2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUzNi9jcHVmcmVxL3NjYWxpbmdfZ292ZXJu b3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5 c3RlbS9jcHUvY3B1MzcvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6 MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTM4L2NwdWZy ZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2Ug PiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUzOS9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IK MjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3Rl bS9jcHUvY3B1NC9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBl Y2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1NDAvY3B1ZnJlcS9z Y2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9z eXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTQxL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2 LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2Nw dS9jcHU0Mi9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hv IHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1NDMvY3B1ZnJlcS9zY2Fs aW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMv ZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTQ0L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAy LTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9j cHU0NS9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBl cmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1NDYvY3B1ZnJlcS9zY2FsaW5n X2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2 aWNlcy9zeXN0ZW0vY3B1L2NwdTQ3L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4 IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHU0 OC9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZv cm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1NDkvY3B1ZnJlcS9zY2FsaW5nX2dv dmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNl cy9zeXN0ZW0vY3B1L2NwdTUvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6 NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTUwL2Nw dWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFu Y2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHU1MS9jcHVmcmVxL3NjYWxpbmdfZ292ZXJu b3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5 c3RlbS9jcHUvY3B1NTIvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6 MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTUzL2NwdWZy ZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2Ug PiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHU1NC9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IK MjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3Rl bS9jcHUvY3B1NTUvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQg ZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTU2L2NwdWZyZXEv c2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAv c3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHU1Ny9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAx Ni0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9j cHUvY3B1NTgvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNo byBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTU5L2NwdWZyZXEvc2Nh bGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lz L2RldmljZXMvc3lzdGVtL2NwdS9jcHU2L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAy LTI4IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9j cHU2MC9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBl cmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1NjEvY3B1ZnJlcS9zY2FsaW5n X2dvdmVybm9yCjIwMTYtMDItMjggMjM6NDc6MjQgZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2 aWNlcy9zeXN0ZW0vY3B1L2NwdTYyL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgoyMDE2LTAyLTI4 IDIzOjQ3OjI0IGVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHU2 My9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZv cm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1Ny9jcHVmcmVxL3NjYWxpbmdfZ292 ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2Vz L3N5c3RlbS9jcHUvY3B1OC9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0 NzoyNCBlY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1OS9jcHVm cmVxL3NjYWxpbmdfZ292ZXJub3IKMjAxNi0wMi0yOCAyMzo0NzoyNSAuL3J1bnRlc3QucHkgZnV0 ZXgxIDE2IGJvdGggMSA4IDE2IDI0IDMyIDQ4IDY0Cg== --===============2950280708678263069==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752506AbcB2Igw (ORCPT ); Mon, 29 Feb 2016 03:36:52 -0500 Received: from mga11.intel.com ([192.55.52.93]:33308 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752026AbcB2Igt (ORCPT ); Mon, 29 Feb 2016 03:36:49 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,520,1449561600"; d="yaml'?scan'208";a="897264226" From: kernel test robot Subject: [lkp] [futex] 65d8fc777f: +25.6% will-it-scale.per_process_ops CC: lkp@01.org CC: LKML CC: Sebastian Andrzej Siewior CC: Peter Zijlstra CC: Mel Gorman CC: Linus Torvalds CC: Hugh Dickins CC: Darren Hart CC: Chris Mason CC: Thomas Gleixner CC: Davidlohr Bueso CC: Ingo Molnar TO: Mel Gorman Date: Mon, 29 Feb 2016 16:36:38 +0800 Message-ID: <871t7vzze1.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/next/linux-next.git master commit 65d8fc777f6dcfee12785c057a6b57f679641c90 ("futex: Remove requirement= for lock_page() in get_futex_key()") =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase: gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/lkp-sbx04/fu= tex1/will-it-scale commit:=20 8ad7b378d0d016309014cae0f640434bca7b5e11 65d8fc777f6dcfee12785c057a6b57f679641c90 8ad7b378d0d01630 65d8fc777f6dcfee12785c057a=20 ---------------- --------------------------=20 %stddev %change %stddev \ | \=20=20 5076304 =B1 0% +25.6% 6374220 =B1 0% will-it-scale.per_process= _ops 1194117 =B1 0% +14.4% 1366153 =B1 1% will-it-scale.per_thread_= ops 0.58 =B1 0% -2.0% 0.57 =B1 0% will-it-scale.scalability 6820 =B1 0% -19.6% 5483 =B1 15% meminfo.AnonHugePages 2652 =B1 5% -10.4% 2375 =B1 2% vmstat.system.cs 2848 =B1 32% +141.2% 6870 =B1 65% numa-meminfo.node1.Active= (anon) 2832 =B1 31% +57.6% 4465 =B1 27% numa-meminfo.node1.AnonPa= ges 15018 =B1 12% -23.3% 11515 =B1 15% numa-meminfo.node2.AnonPa= ges 1214 =B1 14% -22.8% 936.75 =B1 20% numa-meminfo.node3.PageTa= bles 712.25 =B1 32% +141.2% 1718 =B1 65% numa-vmstat.node1.nr_acti= ve_anon 708.25 =B1 31% +57.7% 1116 =B1 27% numa-vmstat.node1.nr_anon= _pages 3754 =B1 12% -23.3% 2879 =B1 15% numa-vmstat.node2.nr_anon= _pages 304.75 =B1 14% -23.1% 234.50 =B1 20% numa-vmstat.node3.nr_page= _table_pages 3.53 =B1 1% -100.0% 0.00 =B1 -1% perf-profile.cycles.___mi= ght_sleep.__might_sleep.get_futex_key.futex_wake.do_futex 4.34 =B1 1% -100.0% 0.00 =B1 -1% perf-profile.cycles.__mig= ht_sleep.get_futex_key.futex_wake.do_futex.sys_futex 1.27 =B1 3% -100.0% 0.00 =B1 -1% perf-profile.cycles.__wak= e_up_bit.unlock_page.get_futex_key.futex_wake.do_futex 4.36 =B1 1% +29.6% 5.65 =B1 1% perf-profile.cycles.drop_= futex_key_refs.isra.12.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastp= ath 6.69 =B1 1% +28.1% 8.57 =B1 0% perf-profile.cycles.entry= _SYSCALL_64 6.73 =B1 0% +30.6% 8.79 =B1 0% perf-profile.cycles.entry= _SYSCALL_64_after_swapgs 74.21 =B1 0% -11.0% 66.06 =B1 0% perf-profile.cycles.futex= _wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath 59.05 =B1 0% -21.4% 46.40 =B1 0% perf-profile.cycles.get_f= utex_key.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath 4.12 =B1 0% +78.5% 7.36 =B1 1% perf-profile.cycles.get_f= utex_key_refs.isra.11.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpa= th 2.27 =B1 3% +24.1% 2.82 =B1 4% perf-profile.cycles.get_u= ser_pages_fast.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath 26.95 =B1 0% +30.0% 35.04 =B1 1% perf-profile.cycles.get_u= ser_pages_fast.get_futex_key.futex_wake.do_futex.sys_futex 13.43 =B1 0% +27.2% 17.09 =B1 1% perf-profile.cycles.gup_p= te_range.gup_pud_range.get_user_pages_fast.get_futex_key.futex_wake 19.66 =B1 1% +28.4% 25.24 =B1 0% perf-profile.cycles.gup_p= ud_range.get_user_pages_fast.get_futex_key.futex_wake.do_futex 4.33 =B1 1% +37.0% 5.93 =B1 4% perf-profile.cycles.hash_= futex.do_futex.sys_futex.entry_SYSCALL_64_fastpath 13.59 =B1 0% -100.0% 0.00 =B1 -1% perf-profile.cycles.unloc= k_page.get_futex_key.futex_wake.do_futex.sys_futex 15160 =B1 19% -34.8% 9883 =B1 0% sched_debug.cfs_rq:/.exec= _clock.min 27.25 =B1 15% -37.6% 17.00 =B1 8% sched_debug.cfs_rq:/.load= _avg.7 21.00 =B1 38% -27.4% 15.25 =B1 2% sched_debug.cpu.cpu_load[= 2].1 21.00 =B1 38% -27.4% 15.25 =B1 2% sched_debug.cpu.cpu_load[= 3].1 21.00 =B1 38% -27.4% 15.25 =B1 2% sched_debug.cpu.cpu_load[= 4].1 1790 =B1 0% +42.4% 2549 =B1 45% sched_debug.cpu.curr->pid= .21 50033 =B1 4% -6.8% 46622 =B1 4% sched_debug.cpu.nr_load_u= pdates.29 4398 =B1 42% +103.5% 8949 =B1 23% sched_debug.cpu.nr_switch= es.11 7452 =B1 34% +111.3% 15744 =B1 54% sched_debug.cpu.nr_switch= es.20 3739 =B1 13% +213.5% 11723 =B1 40% sched_debug.cpu.nr_switch= es.23 1648 =B1 53% +96.5% 3239 =B1 63% sched_debug.cpu.nr_switch= es.51 0.25 =B1519% -1300.0% -3.00 =B1-52% sched_debug.cpu.nr_uninte= rruptible.24 8632 =B1 16% -32.5% 5823 =B1 19% sched_debug.cpu.sched_cou= nt.1 5091 =B1 36% +137.5% 12092 =B1 31% sched_debug.cpu.sched_cou= nt.11 12453 =B1 90% -74.6% 3159 =B1 24% sched_debug.cpu.sched_cou= nt.2 7782 =B1 32% +118.2% 16977 =B1 46% sched_debug.cpu.sched_cou= nt.20 2665 =B1 48% -49.8% 1337 =B1 30% sched_debug.cpu.sched_cou= nt.32 1365 =B1 11% -14.0% 1174 =B1 3% sched_debug.cpu.sched_cou= nt.45 1693 =B1 51% +147.7% 4193 =B1 42% sched_debug.cpu.sched_cou= nt.51 5023 =B1 57% -51.5% 2434 =B1 43% sched_debug.cpu.sched_cou= nt.57 1705 =B1 16% +129.6% 3915 =B1 48% sched_debug.cpu.sched_goi= dle.23 536.25 =B1 14% -18.7% 435.75 =B1 2% sched_debug.cpu.sched_goi= dle.45 1228 =B1 19% -27.3% 892.50 =B1 17% sched_debug.cpu.sched_goi= dle.5 1919 =B1 55% +88.5% 3617 =B1 37% sched_debug.cpu.ttwu_coun= t.11 7699 =B1 35% -43.7% 4335 =B1 43% sched_debug.cpu.ttwu_coun= t.24 5380 =B1 36% -45.6% 2926 =B1 18% sched_debug.cpu.ttwu_coun= t.30 563.25 =B1 20% +140.3% 1353 =B1 38% sched_debug.cpu.ttwu_loca= l.11 4297 =B1 46% -49.1% 2186 =B1 39% sched_debug.cpu.ttwu_loca= l.24 2828 =B1 47% -47.8% 1475 =B1 34% sched_debug.cpu.ttwu_loca= l.27 3243 =B1 36% -54.3% 1482 =B1 32% sched_debug.cpu.ttwu_loca= l.30 199.25 =B1 6% +100.6% 399.75 =B1 32% sched_debug.cpu.ttwu_loca= l.44 1158 =B1 64% -67.3% 379.00 =B1 46% sched_debug.cpu.ttwu_loca= l.54 242.25 =B1 21% +51.0% 365.75 =B1 19% sched_debug.cpu.ttwu_loca= l.55 1009 =B1 26% -50.8% 496.50 =B1 44% sched_debug.cpu.ttwu_loca= l.59 1736 =B1 53% -67.8% 559.25 =B1 22% sched_debug.cpu.ttwu_loca= l.9 lkp-sbx04: Sandy Bridge-EX Memory: 64G perf-profile.cycles.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastp= ath 76 ++--------------------------------------------------------------------= -+ | = | 74 ++ .*.. .*..*..*.. .*.. .*.. .*.. .*.. .*..*..*..* = | *..*. *..*..*. *..*. *.*. *. *. *. = | | = | 72 ++ = | | = | 70 ++ = | | = | 68 ++ = | | = | | O O O O O O O O O O O = | 66 O+ O O O O = O | O O O O O O O = | 64 ++-------------O------------------------------------------------------= -+ will-it-scale.per_process_ops 6.6e+06 O+----O-O--O-----------------------------------------------------= -+ | O O O O O = | 6.4e+06 ++ O O O O O O O O O O O O O O O = O | = | 6.2e+06 ++ = | 6e+06 ++ = | | = | 5.8e+06 ++ = | | = | 5.6e+06 ++ = | 5.4e+06 ++ = | | = | 5.2e+06 ++ = | *..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.* = | 5e+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: heartbeat: 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: 65d8fc777f6dcfee12785c057a6b57f679641c90 model: Sandy Bridge-EX nr_cpu: 64 memory: 64G nr_ssd_partitions: 7 ssd_partitions: "/dev/disk/by-id/ata-INTEL_SSDSC2*-part1" swap_partitions: category: benchmark perf-profile: freq: 800 will-it-scale: test: futex1 queue: bisect testbox: lkp-sbx04 tbox_group: lkp-sbx04 kconfig: x86_64-rhel enqueue_time: 2016-02-28 23:45:52.199165563 +08:00 compiler: gcc-4.9 rootfs: debian-x86_64-2015-02-07.cgz id: 6b2c2bd744dd898009648cb82de7e0ba77de33f1 user: lkp head_commit: ed520c327c4259ec08b1677023087f658329b961 base_commit: 81f70ba233d5f660e1ea5fe23260ee323af5d53a branch: linux-devel/devel-hourly-2016022811 result_root: "/result/will-it-scale/performance-futex1/lkp-sbx04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/0" job_file: "/lkp/scheduled/lkp-sbx04/bisect_will-it-scale-performance-futex1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-65d8fc777f6dcfee12785c057a6b57f679641c90-20160228-23650-17c4qc1-0.yaml" max_uptime: 1500 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/lkp-sbx04/bisect_will-it-scale-performance-futex1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-65d8fc777f6dcfee12785c057a6b57f679641c90-20160228-23650-17c4qc1-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2016022811 - commit=65d8fc777f6dcfee12785c057a6b57f679641c90 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/vmlinuz-4.5.0-rc3-00235-g65d8fc7 - max_uptime=1500 - RESULT_ROOT=/result/will-it-scale/performance-futex1/lkp-sbx04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/0 - 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-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/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,/osimage/deps/debian-x86_64-2015-02-07.cgz/will-it-scale.cgz,/lkp/benchmarks/will-it-scale.cgz,/lkp/benchmarks/will-it-scale-x86_64.cgz" linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/linux-headers.cgz" repeat_to: 2 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/vmlinuz-4.5.0-rc3-00235-g65d8fc7" dequeue_time: 2016-02-28 23:46:33.938915178 +08:00 job_state: finished loadavg: 45.27 20.12 7.84 2/649 11559 start_time: '1456674445' end_time: '1456674754' version: "/lkp/lkp/.src-20160226-194908" --=-=-= Content-Type: text/plain; charset=ascii Content-Disposition: attachment; filename=reproduce 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor 2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor 2016-02-28 23:47:25 ./runtest.py futex1 16 both 1 8 16 24 32 48 64 --=-=-=--