From: Fengguang Wu <fengguang.wu@intel.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
lkp@01.org, Jet Chen <jet.chen@intel.com>
Subject: [rcu] e552592e038: +39.2% vm-scalability.throughput, +19.7% turbostat.Pkg_W
Date: Thu, 26 Jun 2014 09:42:19 +0800 [thread overview]
Message-ID: <20140626014219.GB12239@localhost> (raw)
Hi Paul,
We noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git urgent.2014.06.21a
commit e552592e0383bc72e35eb21a9fabd84ad873cff1 ("rcu: Reduce overhead of cond_resched() checks for RCU")
Test case: brickland3/vm-scalability/300s-anon-w-seq-mt-64G
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
89766370 ~ 6% +39.2% 1.25e+08 ~ 9% TOTAL vm-scalability.throughput
1.317e+09 ~ 8% -45.2% 7.21e+08 ~10% TOTAL cpuidle.C6-IVT-4S.time
9 ~ 6% +58.8% 15 ~ 5% TOTAL vmstat.procs.r
12.27 ~14% +44.7% 17.74 ~12% TOTAL turbostat.%c1
20538 ~ 4% -21.3% 16155 ~ 4% TOTAL cpuidle.C6-IVT-4S.usage
77.66 ~ 2% -15.0% 65.98 ~ 5% TOTAL turbostat.%c6
260 ~ 2% -16.4% 217 ~ 4% TOTAL vmstat.memory.buff
51920 ~ 7% -14.3% 44489 ~ 5% TOTAL numa-meminfo.node0.PageTables
53822 ~ 5% -15.6% 45404 ~ 6% TOTAL proc-vmstat.nr_page_table_pages
215196 ~ 5% -15.7% 181409 ~ 6% TOTAL meminfo.PageTables
52182 ~ 4% -15.2% 44271 ~ 6% TOTAL proc-vmstat.nr_anon_transparent_hugepages
12881 ~ 7% -13.4% 11150 ~ 5% TOTAL numa-vmstat.node0.nr_page_table_pages
1.068e+08 ~ 4% -15.2% 90492587 ~ 6% TOTAL meminfo.AnonHugePages
26983682 ~ 4% -14.5% 23071571 ~ 6% TOTAL proc-vmstat.nr_anon_pages
1.079e+08 ~ 4% -14.5% 92289854 ~ 6% TOTAL meminfo.AnonPages
1.083e+08 ~ 4% -14.2% 92897630 ~ 6% TOTAL meminfo.Active(anon)
1.084e+08 ~ 4% -14.2% 92970821 ~ 6% TOTAL meminfo.Active
27067517 ~ 4% -14.2% 23232055 ~ 6% TOTAL proc-vmstat.nr_active_anon
52565 ~ 3% -12.0% 46273 ~ 3% TOTAL proc-vmstat.nr_shmem
52499 ~ 3% -12.0% 46215 ~ 3% TOTAL proc-vmstat.nr_inactive_anon
214447 ~ 3% -10.5% 191862 ~ 2% TOTAL meminfo.Shmem
214197 ~ 3% -10.5% 191636 ~ 2% TOTAL meminfo.Inactive(anon)
2779 ~13% -53.5% 1291 ~19% TOTAL time.involuntary_context_switches
1156 ~ 8% +82.3% 2108 ~ 9% TOTAL time.percent_of_cpu_this_job_got
11.58 ~10% -44.4% 6.45 ~ 9% TOTAL time.elapsed_time
1008 ~ 5% +79.5% 1810 ~ 7% TOTAL time.voluntary_context_switches
9.23 ~ 8% +72.8% 15.95 ~ 8% TOTAL turbostat.%c0
12679 ~ 8% +70.8% 21659 ~ 9% TOTAL vmstat.system.in
145 ~ 7% +60.6% 234 ~ 8% TOTAL vmstat.io.bo
3721 ~ 7% +35.2% 5029 ~ 8% TOTAL vmstat.system.cs
~ 1% +26.7% ~ 5% TOTAL turbostat.Cor_W
~ 2% +21.2% ~ 3% TOTAL turbostat.RAM_W
~ 1% +19.7% ~ 4% TOTAL turbostat.Pkg_W
All test cases:
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
89766370 ~ 6% +39.2% 1.25e+08 ~ 9% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
89766370 ~ 6% +39.2% 1.25e+08 ~ 9% TOTAL vm-scalability.throughput
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
0.36 ~ 1% -9.8% 0.32 ~ 2% lkp-nex05/will-it-scale/open1
0.36 ~ 1% -9.8% 0.32 ~ 2% TOTAL will-it-scale.scalability
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
466616 ~ 1% -2.6% 454267 ~ 1% lkp-nex05/will-it-scale/open1
511556 ~ 0% -1.3% 504762 ~ 0% lkp-snb01/will-it-scale/signal1
978172 ~ 0% -2.0% 959029 ~ 0% TOTAL will-it-scale.per_process_ops
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1381706 ~ 1% +2.3% 1413190 ~ 0% lkp-snb01/will-it-scale/futex2
299558 ~ 0% -1.8% 294312 ~ 0% lkp-snb01/will-it-scale/signal1
1681264 ~ 1% +1.6% 1707503 ~ 0% TOTAL will-it-scale.per_thread_ops
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
84771 ~ 2% +575.2% 572390 ~ 1% lkp-nex05/will-it-scale/open1
84771 ~ 2% +575.2% 572390 ~ 1% TOTAL slabinfo.kmalloc-256.active_objs
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
2656 ~ 2% +573.8% 17896 ~ 1% lkp-nex05/will-it-scale/open1
2656 ~ 2% +573.8% 17896 ~ 1% TOTAL slabinfo.kmalloc-256.num_slabs
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
85011 ~ 2% +573.7% 572697 ~ 1% lkp-nex05/will-it-scale/open1
85011 ~ 2% +573.7% 572697 ~ 1% TOTAL slabinfo.kmalloc-256.num_objs
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
2656 ~ 2% +573.8% 17896 ~ 1% lkp-nex05/will-it-scale/open1
2656 ~ 2% +573.8% 17896 ~ 1% TOTAL slabinfo.kmalloc-256.active_slabs
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1533310 ~ 2% -83.7% 250652 ~ 1% lkp-nex05/will-it-scale/open1
289790 ~ 4% -67.2% 94913 ~ 4% lkp-snb01/will-it-scale/futex2
204559 ~ 4% -62.6% 76449 ~ 7% lkp-snb01/will-it-scale/signal1
2027660 ~ 3% -79.2% 422015 ~ 3% TOTAL softirqs.RCU
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
47388 ~ 5% +147.5% 117277 ~ 1% lkp-nex05/will-it-scale/open1
47388 ~ 5% +147.5% 117277 ~ 1% TOTAL numa-meminfo.node0.SUnreclaim
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
11836 ~ 5% +149.4% 29520 ~ 2% lkp-nex05/will-it-scale/open1
11836 ~ 5% +149.4% 29520 ~ 2% TOTAL numa-vmstat.node0.nr_slab_unreclaimable
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
97325 ~ 0% +125.2% 219188 ~ 1% lkp-nex05/will-it-scale/open1
97325 ~ 0% +125.2% 219188 ~ 1% TOTAL meminfo.SUnreclaim
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
24304 ~ 0% +125.0% 54686 ~ 0% lkp-nex05/will-it-scale/open1
24304 ~ 0% +125.0% 54686 ~ 0% TOTAL proc-vmstat.nr_slab_unreclaimable
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
6364 ~ 8% +117.8% 13864 ~ 3% lkp-nex05/will-it-scale/open1
6364 ~ 8% +117.8% 13864 ~ 3% TOTAL numa-vmstat.node1.nr_slab_unreclaimable
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
25487 ~ 8% +115.7% 54988 ~ 4% lkp-nex05/will-it-scale/open1
25487 ~ 8% +115.7% 54988 ~ 4% TOTAL numa-meminfo.node1.SUnreclaim
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
63365 ~ 5% +110.5% 133379 ~ 1% lkp-nex05/will-it-scale/open1
63365 ~ 5% +110.5% 133379 ~ 1% TOTAL numa-meminfo.node0.Slab
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
6335 ~11% +83.5% 11625 ~ 4% lkp-nex05/will-it-scale/open1
6335 ~11% +83.5% 11625 ~ 4% TOTAL numa-vmstat.node3.nr_slab_unreclaimable
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
25370 ~11% +82.1% 46193 ~ 5% lkp-nex05/will-it-scale/open1
25370 ~11% +82.1% 46193 ~ 5% TOTAL numa-meminfo.node3.SUnreclaim
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
140861 ~ 0% +86.5% 262647 ~ 1% lkp-nex05/will-it-scale/open1
140861 ~ 0% +86.5% 262647 ~ 1% TOTAL meminfo.Slab
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.317e+09 ~ 8% -45.2% 7.21e+08 ~10% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
1.317e+09 ~ 8% -45.2% 7.21e+08 ~10% TOTAL cpuidle.C6-IVT-4S.time
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
38627 ~ 5% +77.8% 68673 ~ 5% lkp-nex05/will-it-scale/open1
38627 ~ 5% +77.8% 68673 ~ 5% TOTAL numa-meminfo.node1.Slab
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.10 ~ 5% +70.3% 1.88 ~ 0% lkp-nex05/will-it-scale/open1
1.10 ~ 5% +70.3% 1.88 ~ 0% TOTAL perf-profile.cpu-cycles.setup_object.isra.47.__slab_alloc.kmem_cache_alloc.get_empty_filp.path_openat
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
2.54 ~ 6% -37.7% 1.58 ~ 5% lkp-snb01/will-it-scale/futex2
2.54 ~ 6% -37.7% 1.58 ~ 5% TOTAL perf-profile.cpu-cycles.get_futex_key.futex_wait_setup.futex_wait.do_futex.sys_futex
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
9 ~ 6% +58.8% 15 ~ 5% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
9 ~ 6% +58.8% 15 ~ 5% TOTAL vmstat.procs.r
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
12.27 ~14% +44.7% 17.74 ~12% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
12.27 ~14% +44.7% 17.74 ~12% TOTAL turbostat.%c1
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
661578 ~ 2% -33.4% 440676 ~ 0% lkp-nex05/will-it-scale/open1
661578 ~ 2% -33.4% 440676 ~ 0% TOTAL cpuidle.C3-NHM.usage
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
39783 ~ 9% +50.5% 59862 ~ 5% lkp-nex05/will-it-scale/open1
39783 ~ 9% +50.5% 59862 ~ 5% TOTAL numa-meminfo.node3.Slab
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
2.03 ~ 8% +34.1% 2.73 ~ 2% lkp-nex05/will-it-scale/open1
2.03 ~ 8% +34.1% 2.73 ~ 2% TOTAL perf-profile.cpu-cycles.rcu_nocb_kthread.kthread.ret_from_fork
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
20538 ~ 4% -21.3% 16155 ~ 4% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
20538 ~ 4% -21.3% 16155 ~ 4% TOTAL cpuidle.C6-IVT-4S.usage
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.07 ~ 4% -17.3% 0.88 ~ 8% lkp-nex05/will-it-scale/open1
1.07 ~ 4% -17.3% 0.88 ~ 8% TOTAL perf-profile.cpu-cycles.__alloc_fd.get_unused_fd_flags.do_sys_open.sys_open.system_call_fastpath
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
77.66 ~ 2% -15.0% 65.98 ~ 5% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
77.66 ~ 2% -15.0% 65.98 ~ 5% TOTAL turbostat.%c6
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
0.96 ~ 3% -14.8% 0.82 ~ 5% lkp-snb01/will-it-scale/futex2
0.96 ~ 3% -14.8% 0.82 ~ 5% TOTAL perf-profile.cpu-cycles.put_page.get_futex_key.futex_wait_setup.futex_wait.do_futex
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.08 ~ 4% +22.4% 1.33 ~ 2% lkp-nex05/will-it-scale/open1
1.08 ~ 4% +22.4% 1.33 ~ 2% TOTAL perf-profile.cpu-cycles.memset.get_empty_filp.path_openat.do_filp_open.do_sys_open
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
260 ~ 2% -16.4% 217 ~ 4% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
260 ~ 2% -16.4% 217 ~ 4% TOTAL vmstat.memory.buff
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
51920 ~ 7% -14.3% 44489 ~ 5% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
51920 ~ 7% -14.3% 44489 ~ 5% TOTAL numa-meminfo.node0.PageTables
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
53822 ~ 5% -15.6% 45404 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
53822 ~ 5% -15.6% 45404 ~ 6% TOTAL proc-vmstat.nr_page_table_pages
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
215196 ~ 5% -15.7% 181409 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
215196 ~ 5% -15.7% 181409 ~ 6% TOTAL meminfo.PageTables
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
52182 ~ 4% -15.2% 44271 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
52182 ~ 4% -15.2% 44271 ~ 6% TOTAL proc-vmstat.nr_anon_transparent_hugepages
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
12881 ~ 7% -13.4% 11150 ~ 5% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
12881 ~ 7% -13.4% 11150 ~ 5% TOTAL numa-vmstat.node0.nr_page_table_pages
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.068e+08 ~ 4% -15.2% 90492587 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
1.068e+08 ~ 4% -15.2% 90492587 ~ 6% TOTAL meminfo.AnonHugePages
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
26983682 ~ 4% -14.5% 23071571 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
26983682 ~ 4% -14.5% 23071571 ~ 6% TOTAL proc-vmstat.nr_anon_pages
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.83 ~ 6% +19.3% 2.18 ~ 5% lkp-nex05/will-it-scale/open1
1.83 ~ 6% +19.3% 2.18 ~ 5% TOTAL perf-profile.cpu-cycles.get_empty_filp.path_openat.do_filp_open.do_sys_open.sys_open
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.079e+08 ~ 4% -14.5% 92289854 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
1.079e+08 ~ 4% -14.5% 92289854 ~ 6% TOTAL meminfo.AnonPages
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
254457 ~ 2% -12.2% 223290 ~ 1% lkp-nex05/will-it-scale/open1
254457 ~ 2% -12.2% 223290 ~ 1% TOTAL softirqs.SCHED
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.083e+08 ~ 4% -14.2% 92897630 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
1.083e+08 ~ 4% -14.2% 92897630 ~ 6% TOTAL meminfo.Active(anon)
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1.084e+08 ~ 4% -14.2% 92970821 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
1.084e+08 ~ 4% -14.2% 92970821 ~ 6% TOTAL meminfo.Active
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
27067517 ~ 4% -14.2% 23232055 ~ 6% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
27067517 ~ 4% -14.2% 23232055 ~ 6% TOTAL proc-vmstat.nr_active_anon
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
52565 ~ 3% -12.0% 46273 ~ 3% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
52565 ~ 3% -12.0% 46273 ~ 3% TOTAL proc-vmstat.nr_shmem
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
52499 ~ 3% -12.0% 46215 ~ 3% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
52499 ~ 3% -12.0% 46215 ~ 3% TOTAL proc-vmstat.nr_inactive_anon
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
214447 ~ 3% -10.5% 191862 ~ 2% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
214447 ~ 3% -10.5% 191862 ~ 2% TOTAL meminfo.Shmem
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
214197 ~ 3% -10.5% 191636 ~ 2% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
214197 ~ 3% -10.5% 191636 ~ 2% TOTAL meminfo.Inactive(anon)
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
681017 ~ 0% +10.3% 751298 ~ 0% lkp-nex05/will-it-scale/open1
681017 ~ 0% +10.3% 751298 ~ 0% TOTAL numa-meminfo.node0.MemUsed
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
2779 ~13% -53.5% 1291 ~19% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
65403 ~ 4% -10.8% 58332 ~ 0% lkp-nex05/will-it-scale/open1
9638 ~ 2% +109.9% 20234 ~ 1% lkp-snb01/will-it-scale/futex2
10665 ~ 2% +103.8% 21733 ~ 2% lkp-snb01/will-it-scale/signal1
88486 ~ 4% +14.8% 101591 ~ 1% TOTAL time.involuntary_context_switches
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1156 ~ 8% +82.3% 2108 ~ 9% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
1156 ~ 8% +82.3% 2108 ~ 9% TOTAL time.percent_of_cpu_this_job_got
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
11.58 ~10% -44.4% 6.45 ~ 9% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
11.58 ~10% -44.4% 6.45 ~ 9% TOTAL time.elapsed_time
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
1008 ~ 5% +79.5% 1810 ~ 7% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
1008 ~ 5% +79.5% 1810 ~ 7% TOTAL time.voluntary_context_switches
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
9.23 ~ 8% +72.8% 15.95 ~ 8% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
9.23 ~ 8% +72.8% 15.95 ~ 8% TOTAL turbostat.%c0
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
12679 ~ 8% +70.8% 21659 ~ 9% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
12679 ~ 8% +70.8% 21659 ~ 9% TOTAL vmstat.system.in
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
145 ~ 7% +60.6% 234 ~ 8% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
145 ~ 7% +60.6% 234 ~ 8% TOTAL vmstat.io.bo
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
3721 ~ 7% +35.2% 5029 ~ 8% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
5805 ~ 2% -55.9% 2563 ~ 0% lkp-nex05/will-it-scale/open1
897 ~ 1% +10.8% 994 ~ 1% lkp-snb01/will-it-scale/futex2
908 ~ 0% +11.7% 1014 ~ 0% lkp-snb01/will-it-scale/signal1
11332 ~ 3% -15.3% 9601 ~ 4% TOTAL vmstat.system.cs
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
~ 1% +26.7% ~ 5% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
~ 1% +26.7% ~ 5% TOTAL turbostat.Cor_W
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
~ 2% +21.2% ~ 3% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
~ 2% +21.2% ~ 3% TOTAL turbostat.RAM_W
v3.16-rc1 e552592e0383bc72e35eb21a9
--------------- -------------------------
~ 1% +19.7% ~ 4% brickland3/vm-scalability/300s-anon-w-seq-mt-64G
~ 1% +19.7% ~ 4% TOTAL turbostat.Pkg_W
Legend:
~XX% - stddev percent
[+-]XX% - change percent
vmstat.system.cs
6000 *+-*------*--*-------------------------------------------------------+
| *. *... .*.. |
5500 ++ *. * |
| |
5000 ++ |
| |
4500 ++ |
| |
4000 ++ |
| |
3500 ++ |
| |
3000 ++ |
| |
2500 O+-O---O--O--O--O---O--O--O---O--O--O--O---O--O--O---O--O--O--O---O--O
[*] bisect-good sample
[O] bisect-bad sample
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.
Thanks,
Fengguang
next reply other threads:[~2014-06-26 1:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-26 1:42 Fengguang Wu [this message]
2014-06-26 2:18 ` [rcu] e552592e038: +39.2% vm-scalability.throughput, +19.7% turbostat.Pkg_W Paul E. McKenney
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--in-reply-to=20140626014219.GB12239@localhost \
--to=fengguang.wu@intel.com \
--cc=dave.hansen@intel.com \
--cc=jet.chen@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lkp@01.org \
--cc=paulmck@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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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.
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