From: Huang Ying <ying.huang@intel.com>
To: lkp@lists.01.org
Subject: Re: [sched] a15b12ac36a: -46.9% time.voluntary_context_switches +1.5% will-it-scale.per_process_ops
Date: Sun, 04 Jan 2015 08:39:34 +0800 [thread overview]
Message-ID: <1420331974.8652.2.camel@intel.com> (raw)
In-Reply-To: <4750651419325033@web14h.yandex.ru>
[-- Attachment #1: Type: text/plain, Size: 15632 bytes --]
Hi, Kirill,
Sorry for late.
On Tue, 2014-12-23 at 11:57 +0300, Kirill Tkhai wrote:
> Hi, Huang,
>
> what do these digits mean? What test does?
>
> 23.12.2014, 08:16, "Huang Ying" <ying.huang@intel.com>:
> > FYI, we noticed the below changes on
> >
> > commit a15b12ac36ad4e7b856a4ae54937ae26a51aebad ("sched: Do not stop cpu in set_cpus_allowed_ptr() if task is not running")
> >
> > testbox/testcase/testparams: lkp-g5/will-it-scale/performance-lock1
> >
> > 1ba93d42727c4400 a15b12ac36ad4e7b856a4ae549
> > ---------------- --------------------------
Above is the good commit and the bad commit.
> > %stddev %change %stddev
> > \ | \
> > 1517261 ± 0% +1.5% 1539994 ± 0% will-it-scale.per_process_ops
We have basic description of data above, where %stddev is standard
deviation.
What's more do you want?
Best Regards,
Huang, Ying
> > 247 ± 30% +131.8% 573 ± 49% sched_debug.cpu#61.ttwu_count
> > 225 ± 22% +142.8% 546 ± 34% sched_debug.cpu#81.ttwu_local
> > 15115 ± 44% +37.3% 20746 ± 40% numa-meminfo.node7.Active
> > 1028 ± 38% +115.3% 2214 ± 36% sched_debug.cpu#16.ttwu_local
> > 2 ± 19% +133.3% 5 ± 43% sched_debug.cpu#89.cpu_load[3]
> > 21 ± 45% +88.2% 40 ± 23% sched_debug.cfs_rq[99]:/.tg_load_contrib
> > 414 ± 33% +98.6% 823 ± 28% sched_debug.cpu#81.ttwu_count
> > 4 ± 10% +88.2% 8 ± 12% sched_debug.cfs_rq[33]:/.runnable_load_avg
> > 22 ± 26% +80.9% 40 ± 24% sched_debug.cfs_rq[103]:/.tg_load_contrib
> > 7 ± 17% -41.4% 4 ± 25% sched_debug.cfs_rq[41]:/.load
> > 7 ± 17% -37.9% 4 ± 19% sched_debug.cpu#41.load
> > 3 ± 22% +106.7% 7 ± 10% sched_debug.cfs_rq[36]:/.runnable_load_avg
> > 174 ± 13% +48.7% 259 ± 31% sched_debug.cpu#112.ttwu_count
> > 4 ± 19% +88.9% 8 ± 5% sched_debug.cfs_rq[35]:/.runnable_load_avg
> > 260 ± 10% +55.6% 405 ± 26% numa-vmstat.node3.nr_anon_pages
> > 1042 ± 10% +56.0% 1626 ± 26% numa-meminfo.node3.AnonPages
> > 26 ± 22% +74.3% 45 ± 16% sched_debug.cfs_rq[65]:/.tg_load_contrib
> > 21 ± 43% +71.3% 37 ± 26% sched_debug.cfs_rq[100]:/.tg_load_contrib
> > 3686 ± 21% +40.2% 5167 ± 19% sched_debug.cpu#16.ttwu_count
> > 142 ± 9% +34.4% 191 ± 24% sched_debug.cpu#112.ttwu_local
> > 5 ± 18% +69.6% 9 ± 15% sched_debug.cfs_rq[35]:/.load
> > 2 ± 30% +100.0% 5 ± 37% sched_debug.cpu#106.cpu_load[1]
> > 3 ± 23% +100.0% 6 ± 48% sched_debug.cpu#106.cpu_load[2]
> > 5 ± 18% +69.6% 9 ± 15% sched_debug.cpu#35.load
> > 9 ± 20% +48.6% 13 ± 16% sched_debug.cfs_rq[7]:/.runnable_load_avg
> > 1727 ± 15% +43.9% 2484 ± 30% sched_debug.cpu#34.ttwu_local
> > 10 ± 17% -40.5% 6 ± 13% sched_debug.cpu#41.cpu_load[0]
> > 10 ± 14% -29.3% 7 ± 5% sched_debug.cpu#45.cpu_load[4]
> > 10 ± 17% -33.3% 7 ± 10% sched_debug.cpu#41.cpu_load[1]
> > 6121 ± 8% +56.7% 9595 ± 30% sched_debug.cpu#13.sched_goidle
> > 13 ± 8% -25.9% 10 ± 17% sched_debug.cpu#39.cpu_load[2]
> > 12 ± 16% -24.0% 9 ± 15% sched_debug.cpu#37.cpu_load[2]
> > 492 ± 17% -21.3% 387 ± 24% sched_debug.cpu#46.ttwu_count
> > 3761 ± 11% -23.9% 2863 ± 15% sched_debug.cpu#93.curr->pid
> > 570 ± 19% +43.2% 816 ± 17% sched_debug.cpu#86.ttwu_count
> > 5279 ± 8% +63.5% 8631 ± 33% sched_debug.cpu#13.ttwu_count
> > 377 ± 22% -28.6% 269 ± 14% sched_debug.cpu#46.ttwu_local
> > 5396 ± 10% +29.9% 7007 ± 14% sched_debug.cpu#16.sched_goidle
> > 1959 ± 12% +36.9% 2683 ± 15% numa-vmstat.node2.nr_slab_reclaimable
> > 7839 ± 12% +37.0% 10736 ± 15% numa-meminfo.node2.SReclaimable
> > 5 ± 15% +66.7% 8 ± 9% sched_debug.cfs_rq[33]:/.load
> > 5 ± 25% +47.8% 8 ± 10% sched_debug.cfs_rq[37]:/.load
> > 2 ± 0% +87.5% 3 ± 34% sched_debug.cpu#89.cpu_load[4]
> > 5 ± 15% +66.7% 8 ± 9% sched_debug.cpu#33.load
> > 6 ± 23% +41.7% 8 ± 10% sched_debug.cpu#37.load
> > 8 ± 10% -26.5% 6 ± 6% sched_debug.cpu#51.cpu_load[1]
> > 7300 ± 37% +63.6% 11943 ± 16% softirqs.TASKLET
> > 2984 ± 6% +43.1% 4271 ± 23% sched_debug.cpu#20.ttwu_count
> > 328 ± 4% +40.5% 462 ± 25% sched_debug.cpu#26.ttwu_local
> > 10 ± 7% -27.5% 7 ± 5% sched_debug.cpu#43.cpu_load[3]
> > 9 ± 8% -30.8% 6 ± 6% sched_debug.cpu#41.cpu_load[3]
> > 9 ± 8% -27.0% 6 ± 6% sched_debug.cpu#41.cpu_load[4]
> > 10 ± 14% -32.5% 6 ± 6% sched_debug.cpu#41.cpu_load[2]
> > 16292 ± 6% +42.8% 23260 ± 25% sched_debug.cpu#13.nr_switches
> > 14 ± 28% +55.9% 23 ± 8% sched_debug.cpu#99.cpu_load[0]
> > 5 ± 8% +28.6% 6 ± 12% sched_debug.cpu#17.load
> > 13 ± 7% -23.1% 10 ± 12% sched_debug.cpu#39.cpu_load[3]
> > 7 ± 10% -35.7% 4 ± 11% sched_debug.cfs_rq[45]:/.runnable_load_avg
> > 5076 ± 13% -21.8% 3970 ± 11% numa-vmstat.node0.nr_slab_unreclaimable
> > 20306 ± 13% -21.8% 15886 ± 11% numa-meminfo.node0.SUnreclaim
> > 10 ± 10% -28.6% 7 ± 6% sched_debug.cpu#45.cpu_load[3]
> > 11 ± 11% -29.5% 7 ± 14% sched_debug.cpu#45.cpu_load[1]
> > 10 ± 12% -26.8% 7 ± 6% sched_debug.cpu#44.cpu_load[1]
> > 10 ± 10% -28.6% 7 ± 6% sched_debug.cpu#44.cpu_load[0]
> > 7 ± 17% +48.3% 10 ± 7% sched_debug.cfs_rq[11]:/.runnable_load_avg
> > 11 ± 12% -34.1% 7 ± 11% sched_debug.cpu#47.cpu_load[0]
> > 10 ± 10% -27.9% 7 ± 5% sched_debug.cpu#47.cpu_load[1]
> > 10 ± 8% -26.8% 7 ± 11% sched_debug.cpu#47.cpu_load[2]
> > 10 ± 8% -28.6% 7 ± 14% sched_debug.cpu#43.cpu_load[0]
> > 10 ± 10% -27.9% 7 ± 10% sched_debug.cpu#43.cpu_load[1]
> > 10 ± 10% -28.6% 7 ± 6% sched_debug.cpu#43.cpu_load[2]
> > 12940 ± 3% +49.8% 19387 ± 35% numa-meminfo.node2.Active(anon)
> > 3235 ± 2% +49.8% 4844 ± 35% numa-vmstat.node2.nr_active_anon
> > 17 ± 17% +36.6% 24 ± 9% sched_debug.cpu#97.cpu_load[2]
> > 14725 ± 8% +21.8% 17928 ± 11% sched_debug.cpu#16.nr_switches
> > 667 ± 10% +45.3% 969 ± 22% sched_debug.cpu#17.ttwu_local
> > 3257 ± 5% +22.4% 3988 ± 11% sched_debug.cpu#118.curr->pid
> > 3144 ± 15% -20.7% 2493 ± 8% sched_debug.cpu#95.curr->pid
> > 2192 ± 11% +50.9% 3308 ± 37% sched_debug.cpu#18.ttwu_count
> > 6 ± 11% +37.5% 8 ± 19% sched_debug.cfs_rq[22]:/.load
> > 12 ± 5% +27.1% 15 ± 8% sched_debug.cpu#5.cpu_load[1]
> > 11 ± 12% -23.4% 9 ± 13% sched_debug.cpu#37.cpu_load[3]
> > 6 ± 11% +37.5% 8 ± 19% sched_debug.cpu#22.load
> > 8 ± 8% -25.0% 6 ± 0% sched_debug.cpu#51.cpu_load[2]
> > 7 ± 6% -20.0% 6 ± 11% sched_debug.cpu#55.cpu_load[3]
> > 11 ± 9% -17.4% 9 ± 9% sched_debug.cpu#39.cpu_load[4]
> > 12 ± 5% -22.9% 9 ± 11% sched_debug.cpu#38.cpu_load[3]
> > 420 ± 13% +43.0% 601 ± 9% sched_debug.cpu#30.ttwu_local
> > 1682 ± 14% +38.5% 2329 ± 17% numa-meminfo.node7.AnonPages
> > 423 ± 13% +37.0% 579 ± 16% numa-vmstat.node7.nr_anon_pages
> > 15 ± 13% +41.9% 22 ± 5% sched_debug.cpu#99.cpu_load[1]
> > 6 ± 20% +44.0% 9 ± 13% sched_debug.cfs_rq[19]:/.runnable_load_avg
> > 9 ± 4% -24.3% 7 ± 0% sched_debug.cpu#43.cpu_load[4]
> > 6341 ± 7% -19.6% 5100 ± 16% sched_debug.cpu#43.curr->pid
> > 2577 ± 11% -11.9% 2270 ± 10% sched_debug.cpu#33.ttwu_count
> > 13 ± 6% -18.5% 11 ± 12% sched_debug.cpu#40.cpu_load[2]
> > 4828 ± 6% +23.8% 5979 ± 6% sched_debug.cpu#34.curr->pid
> > 4351 ± 12% +33.9% 5824 ± 12% sched_debug.cpu#36.curr->pid
> > 10 ± 8% -23.8% 8 ± 8% sched_debug.cpu#37.cpu_load[4]
> > 10 ± 14% -28.6% 7 ± 6% sched_debug.cpu#45.cpu_load[2]
> > 17 ± 22% +40.6% 24 ± 7% sched_debug.cpu#97.cpu_load[1]
> > 11 ± 9% +21.3% 14 ± 5% sched_debug.cpu#7.cpu_load[2]
> > 10 ± 8% -26.2% 7 ± 10% sched_debug.cpu#36.cpu_load[4]
> > 12853 ± 2% +20.0% 15429 ± 11% numa-meminfo.node2.AnonPages
> > 4744 ± 8% +30.8% 6204 ± 11% sched_debug.cpu#35.curr->pid
> > 3214 ± 2% +20.0% 3856 ± 11% numa-vmstat.node2.nr_anon_pages
> > 6181 ± 6% +24.9% 7718 ± 9% sched_debug.cpu#13.curr->pid
> > 6675 ± 23% +27.5% 8510 ± 10% sched_debug.cfs_rq[91]:/.tg_load_avg
> > 171261 ± 5% -22.2% 133177 ± 15% numa-numastat.node0.local_node
> > 6589 ± 21% +29.3% 8522 ± 11% sched_debug.cfs_rq[89]:/.tg_load_avg
> > 6508 ± 20% +28.0% 8331 ± 8% sched_debug.cfs_rq[88]:/.tg_load_avg
> > 6598 ± 22% +29.2% 8525 ± 11% sched_debug.cfs_rq[90]:/.tg_load_avg
> > 590 ± 13% -21.4% 464 ± 7% sched_debug.cpu#105.ttwu_local
> > 175392 ± 5% -21.7% 137308 ± 14% numa-numastat.node0.numa_hit
> > 11 ± 6% -18.2% 9 ± 7% sched_debug.cpu#38.cpu_load[4]
> > 6643 ± 23% +27.4% 8465 ± 10% sched_debug.cfs_rq[94]:/.tg_load_avg
> > 6764 ± 7% +13.8% 7695 ± 7% sched_debug.cpu#12.curr->pid
> > 29 ± 28% +34.5% 39 ± 5% sched_debug.cfs_rq[98]:/.tg_load_contrib
> > 1776 ± 7% +29.4% 2298 ± 13% sched_debug.cpu#11.ttwu_local
> > 13 ± 0% -19.2% 10 ± 8% sched_debug.cpu#40.cpu_load[3]
> > 7 ± 5% -17.2% 6 ± 0% sched_debug.cpu#51.cpu_load[3]
> > 7371 ± 20% -18.0% 6045 ± 3% sched_debug.cpu#1.sched_goidle
> > 26560 ± 2% +14.0% 30287 ± 7% numa-meminfo.node2.Slab
> > 16161 ± 6% -9.4% 14646 ± 1% sched_debug.cfs_rq[27]:/.avg->runnable_avg_sum
> > 351 ± 6% -9.3% 318 ± 1% sched_debug.cfs_rq[27]:/.tg_runnable_contrib
> > 7753 ± 27% -22.9% 5976 ± 5% sched_debug.cpu#2.sched_goidle
> > 3828 ± 9% +17.3% 4490 ± 6% sched_debug.cpu#23.sched_goidle
> > 23925 ± 2% +23.0% 29419 ± 23% numa-meminfo.node2.Active
> > 47 ± 6% -15.8% 40 ± 19% sched_debug.cpu#42.cpu_load[1]
> > 282 ± 5% -9.7% 254 ± 7% sched_debug.cfs_rq[109]:/.tg_runnable_contrib
> > 349 ± 5% -9.3% 317 ± 1% sched_debug.cfs_rq[26]:/.tg_runnable_contrib
> > 6941 ± 3% +8.9% 7558 ± 7% sched_debug.cpu#61.nr_switches
> > 16051 ± 5% -8.9% 14618 ± 1% sched_debug.cfs_rq[26]:/.avg->runnable_avg_sum
> > 238944 ± 3% +9.2% 260958 ± 5% numa-vmstat.node2.numa_local
> > 12966 ± 5% -9.5% 11732 ± 6% sched_debug.cfs_rq[109]:/.avg->runnable_avg_sum
> > 1004 ± 3% +8.2% 1086 ± 4% sched_debug.cpu#118.sched_goidle
> > 20746 ± 4% -8.4% 19000 ± 1% sched_debug.cfs_rq[45]:/.avg->runnable_avg_sum
> > 451 ± 4% -8.3% 413 ± 1% sched_debug.cfs_rq[45]:/.tg_runnable_contrib
> > 3538 ± 4% +17.2% 4147 ± 8% sched_debug.cpu#26.ttwu_count
> > 16 ± 9% +13.8% 18 ± 2% sched_debug.cpu#99.cpu_load[3]
> > 1531 ± 0% +11.3% 1704 ± 1% numa-meminfo.node7.KernelStack
> > 3569 ± 3% +17.2% 4182 ± 10% sched_debug.cpu#24.sched_goidle
> > 1820 ± 3% -12.5% 1594 ± 8% slabinfo.taskstats.num_objs
> > 1819 ± 3% -12.4% 1594 ± 8% slabinfo.taskstats.active_objs
> > 4006 ± 5% +19.1% 4769 ± 8% sched_debug.cpu#17.sched_goidle
> > 21412 ± 19% -17.0% 17779 ± 3% sched_debug.cpu#2.nr_switches
> > 16 ± 9% +24.2% 20 ± 4% sched_debug.cpu#99.cpu_load[2]
> > 10493 ± 7% +13.3% 11890 ± 4% sched_debug.cpu#23.nr_switches
> > 1207 ± 2% -46.9% 640 ± 4% time.voluntary_context_switches
> >
> > time.voluntary_context_switches
> >
> > 1300 ++-----------*--*--------------------*-------------------------------+
> > *..*.*..*.. + *.*..*..*.*..*..* .*..*..*. .*..*.*..*.. |
> > 1200 ++ * * *. *.*..*
> > 1100 ++ |
> > | |
> > 1000 ++ |
> > | |
> > 900 ++ |
> > | |
> > 800 ++ |
> > 700 ++ |
> > O O O O O O O O O O O O O |
> > 600 ++ O O O O O O O O O |
> > | O |
> > 500 ++-------------------------------------------------------------------+
> >
> > [*] 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.
> >
>
> Regards,
> Kirill
WARNING: multiple messages have this Message-ID (diff)
From: Huang Ying <ying.huang@intel.com>
To: Kirill Tkhai <tkhai@yandex.ru>
Cc: Kirill Tkhai <ktkhai@parallels.com>,
Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>, LKP ML <lkp@01.org>,
Wu Fengguang <fengguang.wu@intel.com>
Subject: Re: [LKP] [sched] a15b12ac36a: -46.9% time.voluntary_context_switches +1.5% will-it-scale.per_process_ops
Date: Sun, 04 Jan 2015 08:39:34 +0800 [thread overview]
Message-ID: <1420331974.8652.2.camel@intel.com> (raw)
In-Reply-To: <4750651419325033@web14h.yandex.ru>
Hi, Kirill,
Sorry for late.
On Tue, 2014-12-23 at 11:57 +0300, Kirill Tkhai wrote:
> Hi, Huang,
>
> what do these digits mean? What test does?
>
> 23.12.2014, 08:16, "Huang Ying" <ying.huang@intel.com>:
> > FYI, we noticed the below changes on
> >
> > commit a15b12ac36ad4e7b856a4ae54937ae26a51aebad ("sched: Do not stop cpu in set_cpus_allowed_ptr() if task is not running")
> >
> > testbox/testcase/testparams: lkp-g5/will-it-scale/performance-lock1
> >
> > 1ba93d42727c4400 a15b12ac36ad4e7b856a4ae549
> > ---------------- --------------------------
Above is the good commit and the bad commit.
> > %stddev %change %stddev
> > \ | \
> > 1517261 ± 0% +1.5% 1539994 ± 0% will-it-scale.per_process_ops
We have basic description of data above, where %stddev is standard
deviation.
What's more do you want?
Best Regards,
Huang, Ying
> > 247 ± 30% +131.8% 573 ± 49% sched_debug.cpu#61.ttwu_count
> > 225 ± 22% +142.8% 546 ± 34% sched_debug.cpu#81.ttwu_local
> > 15115 ± 44% +37.3% 20746 ± 40% numa-meminfo.node7.Active
> > 1028 ± 38% +115.3% 2214 ± 36% sched_debug.cpu#16.ttwu_local
> > 2 ± 19% +133.3% 5 ± 43% sched_debug.cpu#89.cpu_load[3]
> > 21 ± 45% +88.2% 40 ± 23% sched_debug.cfs_rq[99]:/.tg_load_contrib
> > 414 ± 33% +98.6% 823 ± 28% sched_debug.cpu#81.ttwu_count
> > 4 ± 10% +88.2% 8 ± 12% sched_debug.cfs_rq[33]:/.runnable_load_avg
> > 22 ± 26% +80.9% 40 ± 24% sched_debug.cfs_rq[103]:/.tg_load_contrib
> > 7 ± 17% -41.4% 4 ± 25% sched_debug.cfs_rq[41]:/.load
> > 7 ± 17% -37.9% 4 ± 19% sched_debug.cpu#41.load
> > 3 ± 22% +106.7% 7 ± 10% sched_debug.cfs_rq[36]:/.runnable_load_avg
> > 174 ± 13% +48.7% 259 ± 31% sched_debug.cpu#112.ttwu_count
> > 4 ± 19% +88.9% 8 ± 5% sched_debug.cfs_rq[35]:/.runnable_load_avg
> > 260 ± 10% +55.6% 405 ± 26% numa-vmstat.node3.nr_anon_pages
> > 1042 ± 10% +56.0% 1626 ± 26% numa-meminfo.node3.AnonPages
> > 26 ± 22% +74.3% 45 ± 16% sched_debug.cfs_rq[65]:/.tg_load_contrib
> > 21 ± 43% +71.3% 37 ± 26% sched_debug.cfs_rq[100]:/.tg_load_contrib
> > 3686 ± 21% +40.2% 5167 ± 19% sched_debug.cpu#16.ttwu_count
> > 142 ± 9% +34.4% 191 ± 24% sched_debug.cpu#112.ttwu_local
> > 5 ± 18% +69.6% 9 ± 15% sched_debug.cfs_rq[35]:/.load
> > 2 ± 30% +100.0% 5 ± 37% sched_debug.cpu#106.cpu_load[1]
> > 3 ± 23% +100.0% 6 ± 48% sched_debug.cpu#106.cpu_load[2]
> > 5 ± 18% +69.6% 9 ± 15% sched_debug.cpu#35.load
> > 9 ± 20% +48.6% 13 ± 16% sched_debug.cfs_rq[7]:/.runnable_load_avg
> > 1727 ± 15% +43.9% 2484 ± 30% sched_debug.cpu#34.ttwu_local
> > 10 ± 17% -40.5% 6 ± 13% sched_debug.cpu#41.cpu_load[0]
> > 10 ± 14% -29.3% 7 ± 5% sched_debug.cpu#45.cpu_load[4]
> > 10 ± 17% -33.3% 7 ± 10% sched_debug.cpu#41.cpu_load[1]
> > 6121 ± 8% +56.7% 9595 ± 30% sched_debug.cpu#13.sched_goidle
> > 13 ± 8% -25.9% 10 ± 17% sched_debug.cpu#39.cpu_load[2]
> > 12 ± 16% -24.0% 9 ± 15% sched_debug.cpu#37.cpu_load[2]
> > 492 ± 17% -21.3% 387 ± 24% sched_debug.cpu#46.ttwu_count
> > 3761 ± 11% -23.9% 2863 ± 15% sched_debug.cpu#93.curr->pid
> > 570 ± 19% +43.2% 816 ± 17% sched_debug.cpu#86.ttwu_count
> > 5279 ± 8% +63.5% 8631 ± 33% sched_debug.cpu#13.ttwu_count
> > 377 ± 22% -28.6% 269 ± 14% sched_debug.cpu#46.ttwu_local
> > 5396 ± 10% +29.9% 7007 ± 14% sched_debug.cpu#16.sched_goidle
> > 1959 ± 12% +36.9% 2683 ± 15% numa-vmstat.node2.nr_slab_reclaimable
> > 7839 ± 12% +37.0% 10736 ± 15% numa-meminfo.node2.SReclaimable
> > 5 ± 15% +66.7% 8 ± 9% sched_debug.cfs_rq[33]:/.load
> > 5 ± 25% +47.8% 8 ± 10% sched_debug.cfs_rq[37]:/.load
> > 2 ± 0% +87.5% 3 ± 34% sched_debug.cpu#89.cpu_load[4]
> > 5 ± 15% +66.7% 8 ± 9% sched_debug.cpu#33.load
> > 6 ± 23% +41.7% 8 ± 10% sched_debug.cpu#37.load
> > 8 ± 10% -26.5% 6 ± 6% sched_debug.cpu#51.cpu_load[1]
> > 7300 ± 37% +63.6% 11943 ± 16% softirqs.TASKLET
> > 2984 ± 6% +43.1% 4271 ± 23% sched_debug.cpu#20.ttwu_count
> > 328 ± 4% +40.5% 462 ± 25% sched_debug.cpu#26.ttwu_local
> > 10 ± 7% -27.5% 7 ± 5% sched_debug.cpu#43.cpu_load[3]
> > 9 ± 8% -30.8% 6 ± 6% sched_debug.cpu#41.cpu_load[3]
> > 9 ± 8% -27.0% 6 ± 6% sched_debug.cpu#41.cpu_load[4]
> > 10 ± 14% -32.5% 6 ± 6% sched_debug.cpu#41.cpu_load[2]
> > 16292 ± 6% +42.8% 23260 ± 25% sched_debug.cpu#13.nr_switches
> > 14 ± 28% +55.9% 23 ± 8% sched_debug.cpu#99.cpu_load[0]
> > 5 ± 8% +28.6% 6 ± 12% sched_debug.cpu#17.load
> > 13 ± 7% -23.1% 10 ± 12% sched_debug.cpu#39.cpu_load[3]
> > 7 ± 10% -35.7% 4 ± 11% sched_debug.cfs_rq[45]:/.runnable_load_avg
> > 5076 ± 13% -21.8% 3970 ± 11% numa-vmstat.node0.nr_slab_unreclaimable
> > 20306 ± 13% -21.8% 15886 ± 11% numa-meminfo.node0.SUnreclaim
> > 10 ± 10% -28.6% 7 ± 6% sched_debug.cpu#45.cpu_load[3]
> > 11 ± 11% -29.5% 7 ± 14% sched_debug.cpu#45.cpu_load[1]
> > 10 ± 12% -26.8% 7 ± 6% sched_debug.cpu#44.cpu_load[1]
> > 10 ± 10% -28.6% 7 ± 6% sched_debug.cpu#44.cpu_load[0]
> > 7 ± 17% +48.3% 10 ± 7% sched_debug.cfs_rq[11]:/.runnable_load_avg
> > 11 ± 12% -34.1% 7 ± 11% sched_debug.cpu#47.cpu_load[0]
> > 10 ± 10% -27.9% 7 ± 5% sched_debug.cpu#47.cpu_load[1]
> > 10 ± 8% -26.8% 7 ± 11% sched_debug.cpu#47.cpu_load[2]
> > 10 ± 8% -28.6% 7 ± 14% sched_debug.cpu#43.cpu_load[0]
> > 10 ± 10% -27.9% 7 ± 10% sched_debug.cpu#43.cpu_load[1]
> > 10 ± 10% -28.6% 7 ± 6% sched_debug.cpu#43.cpu_load[2]
> > 12940 ± 3% +49.8% 19387 ± 35% numa-meminfo.node2.Active(anon)
> > 3235 ± 2% +49.8% 4844 ± 35% numa-vmstat.node2.nr_active_anon
> > 17 ± 17% +36.6% 24 ± 9% sched_debug.cpu#97.cpu_load[2]
> > 14725 ± 8% +21.8% 17928 ± 11% sched_debug.cpu#16.nr_switches
> > 667 ± 10% +45.3% 969 ± 22% sched_debug.cpu#17.ttwu_local
> > 3257 ± 5% +22.4% 3988 ± 11% sched_debug.cpu#118.curr->pid
> > 3144 ± 15% -20.7% 2493 ± 8% sched_debug.cpu#95.curr->pid
> > 2192 ± 11% +50.9% 3308 ± 37% sched_debug.cpu#18.ttwu_count
> > 6 ± 11% +37.5% 8 ± 19% sched_debug.cfs_rq[22]:/.load
> > 12 ± 5% +27.1% 15 ± 8% sched_debug.cpu#5.cpu_load[1]
> > 11 ± 12% -23.4% 9 ± 13% sched_debug.cpu#37.cpu_load[3]
> > 6 ± 11% +37.5% 8 ± 19% sched_debug.cpu#22.load
> > 8 ± 8% -25.0% 6 ± 0% sched_debug.cpu#51.cpu_load[2]
> > 7 ± 6% -20.0% 6 ± 11% sched_debug.cpu#55.cpu_load[3]
> > 11 ± 9% -17.4% 9 ± 9% sched_debug.cpu#39.cpu_load[4]
> > 12 ± 5% -22.9% 9 ± 11% sched_debug.cpu#38.cpu_load[3]
> > 420 ± 13% +43.0% 601 ± 9% sched_debug.cpu#30.ttwu_local
> > 1682 ± 14% +38.5% 2329 ± 17% numa-meminfo.node7.AnonPages
> > 423 ± 13% +37.0% 579 ± 16% numa-vmstat.node7.nr_anon_pages
> > 15 ± 13% +41.9% 22 ± 5% sched_debug.cpu#99.cpu_load[1]
> > 6 ± 20% +44.0% 9 ± 13% sched_debug.cfs_rq[19]:/.runnable_load_avg
> > 9 ± 4% -24.3% 7 ± 0% sched_debug.cpu#43.cpu_load[4]
> > 6341 ± 7% -19.6% 5100 ± 16% sched_debug.cpu#43.curr->pid
> > 2577 ± 11% -11.9% 2270 ± 10% sched_debug.cpu#33.ttwu_count
> > 13 ± 6% -18.5% 11 ± 12% sched_debug.cpu#40.cpu_load[2]
> > 4828 ± 6% +23.8% 5979 ± 6% sched_debug.cpu#34.curr->pid
> > 4351 ± 12% +33.9% 5824 ± 12% sched_debug.cpu#36.curr->pid
> > 10 ± 8% -23.8% 8 ± 8% sched_debug.cpu#37.cpu_load[4]
> > 10 ± 14% -28.6% 7 ± 6% sched_debug.cpu#45.cpu_load[2]
> > 17 ± 22% +40.6% 24 ± 7% sched_debug.cpu#97.cpu_load[1]
> > 11 ± 9% +21.3% 14 ± 5% sched_debug.cpu#7.cpu_load[2]
> > 10 ± 8% -26.2% 7 ± 10% sched_debug.cpu#36.cpu_load[4]
> > 12853 ± 2% +20.0% 15429 ± 11% numa-meminfo.node2.AnonPages
> > 4744 ± 8% +30.8% 6204 ± 11% sched_debug.cpu#35.curr->pid
> > 3214 ± 2% +20.0% 3856 ± 11% numa-vmstat.node2.nr_anon_pages
> > 6181 ± 6% +24.9% 7718 ± 9% sched_debug.cpu#13.curr->pid
> > 6675 ± 23% +27.5% 8510 ± 10% sched_debug.cfs_rq[91]:/.tg_load_avg
> > 171261 ± 5% -22.2% 133177 ± 15% numa-numastat.node0.local_node
> > 6589 ± 21% +29.3% 8522 ± 11% sched_debug.cfs_rq[89]:/.tg_load_avg
> > 6508 ± 20% +28.0% 8331 ± 8% sched_debug.cfs_rq[88]:/.tg_load_avg
> > 6598 ± 22% +29.2% 8525 ± 11% sched_debug.cfs_rq[90]:/.tg_load_avg
> > 590 ± 13% -21.4% 464 ± 7% sched_debug.cpu#105.ttwu_local
> > 175392 ± 5% -21.7% 137308 ± 14% numa-numastat.node0.numa_hit
> > 11 ± 6% -18.2% 9 ± 7% sched_debug.cpu#38.cpu_load[4]
> > 6643 ± 23% +27.4% 8465 ± 10% sched_debug.cfs_rq[94]:/.tg_load_avg
> > 6764 ± 7% +13.8% 7695 ± 7% sched_debug.cpu#12.curr->pid
> > 29 ± 28% +34.5% 39 ± 5% sched_debug.cfs_rq[98]:/.tg_load_contrib
> > 1776 ± 7% +29.4% 2298 ± 13% sched_debug.cpu#11.ttwu_local
> > 13 ± 0% -19.2% 10 ± 8% sched_debug.cpu#40.cpu_load[3]
> > 7 ± 5% -17.2% 6 ± 0% sched_debug.cpu#51.cpu_load[3]
> > 7371 ± 20% -18.0% 6045 ± 3% sched_debug.cpu#1.sched_goidle
> > 26560 ± 2% +14.0% 30287 ± 7% numa-meminfo.node2.Slab
> > 16161 ± 6% -9.4% 14646 ± 1% sched_debug.cfs_rq[27]:/.avg->runnable_avg_sum
> > 351 ± 6% -9.3% 318 ± 1% sched_debug.cfs_rq[27]:/.tg_runnable_contrib
> > 7753 ± 27% -22.9% 5976 ± 5% sched_debug.cpu#2.sched_goidle
> > 3828 ± 9% +17.3% 4490 ± 6% sched_debug.cpu#23.sched_goidle
> > 23925 ± 2% +23.0% 29419 ± 23% numa-meminfo.node2.Active
> > 47 ± 6% -15.8% 40 ± 19% sched_debug.cpu#42.cpu_load[1]
> > 282 ± 5% -9.7% 254 ± 7% sched_debug.cfs_rq[109]:/.tg_runnable_contrib
> > 349 ± 5% -9.3% 317 ± 1% sched_debug.cfs_rq[26]:/.tg_runnable_contrib
> > 6941 ± 3% +8.9% 7558 ± 7% sched_debug.cpu#61.nr_switches
> > 16051 ± 5% -8.9% 14618 ± 1% sched_debug.cfs_rq[26]:/.avg->runnable_avg_sum
> > 238944 ± 3% +9.2% 260958 ± 5% numa-vmstat.node2.numa_local
> > 12966 ± 5% -9.5% 11732 ± 6% sched_debug.cfs_rq[109]:/.avg->runnable_avg_sum
> > 1004 ± 3% +8.2% 1086 ± 4% sched_debug.cpu#118.sched_goidle
> > 20746 ± 4% -8.4% 19000 ± 1% sched_debug.cfs_rq[45]:/.avg->runnable_avg_sum
> > 451 ± 4% -8.3% 413 ± 1% sched_debug.cfs_rq[45]:/.tg_runnable_contrib
> > 3538 ± 4% +17.2% 4147 ± 8% sched_debug.cpu#26.ttwu_count
> > 16 ± 9% +13.8% 18 ± 2% sched_debug.cpu#99.cpu_load[3]
> > 1531 ± 0% +11.3% 1704 ± 1% numa-meminfo.node7.KernelStack
> > 3569 ± 3% +17.2% 4182 ± 10% sched_debug.cpu#24.sched_goidle
> > 1820 ± 3% -12.5% 1594 ± 8% slabinfo.taskstats.num_objs
> > 1819 ± 3% -12.4% 1594 ± 8% slabinfo.taskstats.active_objs
> > 4006 ± 5% +19.1% 4769 ± 8% sched_debug.cpu#17.sched_goidle
> > 21412 ± 19% -17.0% 17779 ± 3% sched_debug.cpu#2.nr_switches
> > 16 ± 9% +24.2% 20 ± 4% sched_debug.cpu#99.cpu_load[2]
> > 10493 ± 7% +13.3% 11890 ± 4% sched_debug.cpu#23.nr_switches
> > 1207 ± 2% -46.9% 640 ± 4% time.voluntary_context_switches
> >
> > time.voluntary_context_switches
> >
> > 1300 ++-----------*--*--------------------*-------------------------------+
> > *..*.*..*.. + *.*..*..*.*..*..* .*..*..*. .*..*.*..*.. |
> > 1200 ++ * * *. *.*..*
> > 1100 ++ |
> > | |
> > 1000 ++ |
> > | |
> > 900 ++ |
> > | |
> > 800 ++ |
> > 700 ++ |
> > O O O O O O O O O O O O O |
> > 600 ++ O O O O O O O O O |
> > | O |
> > 500 ++-------------------------------------------------------------------+
> >
> > [*] 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.
> >
>
> Regards,
> Kirill
next prev parent reply other threads:[~2015-01-04 0:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-23 5:15 [sched] a15b12ac36a: -46.9% time.voluntary_context_switches +1.5% will-it-scale.per_process_ops Huang Ying
2014-12-23 5:15 ` [LKP] " Huang Ying
2014-12-23 8:57 ` Kirill Tkhai
2014-12-23 8:57 ` [LKP] " Kirill Tkhai
2015-01-04 0:39 ` Huang Ying [this message]
2015-01-04 0:39 ` Huang Ying
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1420331974.8652.2.camel@intel.com \
--to=ying.huang@intel.com \
--cc=lkp@lists.01.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.