From: Jet Chen <jet.chen@intel.com>
To: lkp@lists.01.org
Subject: [uprobes/x86] 8ad8e9d3fd6: -7.5% aim7.2000.jobs-per-min, -45.7% turbostat.%c1
Date: Thu, 15 May 2014 11:56:51 +0800 [thread overview]
Message-ID: <53743B03.7030404@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 1807 bytes --]
Hi Oleg,
we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 8ad8e9d3fd64f101eed6652964670672d699e563 ("uprobes/x86: Introduce uprobe_xol_ops and arch_uprobe->ops")
Test case: lkp-snb01/aim7/signal_test
34e7317d6ae8f61 8ad8e9d3fd64f101eed665296
--------------- -------------------------
230689 ~ 0% -7.5% 213485 ~ 0% TOTAL aim7.2000.jobs-per-min
0.51 ~30% -45.7% 0.28 ~10% TOTAL turbostat.%c1
430 ~17% +27.8% 549 ~15% TOTAL vmstat.procs.r
0.83 ~14% +38.1% 1.15 ~12% TOTAL perf-profile.cpu-cycles.copy_pte_range.copy_page_range.copy_process.do_fork.sys_clone
106076 ~ 4% +22.4% 129816 ~ 3% TOTAL softirqs.RCU
12117 ~ 6% -9.9% 10914 ~ 6% TOTAL slabinfo.kmalloc-256.active_objs
32163 ~17% +39.4% 44824 ~12% TOTAL time.voluntary_context_switches
276487 ~ 1% +16.5% 322091 ~ 1% TOTAL time.involuntary_context_switches
83.14 ~ 0% +13.3% 94.21 ~ 0% TOTAL time.user_time
108800 ~ 2% +9.4% 119014 ~ 3% TOTAL time.minor_page_faults
1255 ~ 0% +9.9% 1379 ~ 0% TOTAL time.system_time
6774 ~ 1% +8.8% 7373 ~ 1% TOTAL vmstat.system.cs
52.15 ~ 0% +8.0% 56.34 ~ 0% TOTAL time.elapsed_time
25185 ~ 0% +2.4% 25784 ~ 0% TOTAL vmstat.system.in
79.23 ~ 0% +2.0% 80.80 ~ 0% TOTAL turbostat.%c0
2567 ~ 0% +1.9% 2615 ~ 0% TOTAL time.percent_of_cpu_this_job_got
112 ~ 0% +1.3% 113 ~ 0% TOTAL turbostat.Cor_W
138 ~ 0% +1.0% 139 ~ 0% TOTAL turbostat.Pkg_W
Legend:
~XX% - stddev percent
[+-]XX% - change percent
Thanks,
Jet
[-- Attachment #2: reproduce.ksh --]
[-- Type: text/plain, Size: 2360 bytes --]
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/cpu4/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
WARNING: multiple messages have this Message-ID (diff)
From: Jet Chen <jet.chen@intel.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
lkp@01.org
Subject: [uprobes/x86] 8ad8e9d3fd6: -7.5% aim7.2000.jobs-per-min, -45.7% turbostat.%c1
Date: Thu, 15 May 2014 11:56:51 +0800 [thread overview]
Message-ID: <53743B03.7030404@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 1767 bytes --]
Hi Oleg,
we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 8ad8e9d3fd64f101eed6652964670672d699e563 ("uprobes/x86: Introduce uprobe_xol_ops and arch_uprobe->ops")
Test case: lkp-snb01/aim7/signal_test
34e7317d6ae8f61 8ad8e9d3fd64f101eed665296
--------------- -------------------------
230689 ~ 0% -7.5% 213485 ~ 0% TOTAL aim7.2000.jobs-per-min
0.51 ~30% -45.7% 0.28 ~10% TOTAL turbostat.%c1
430 ~17% +27.8% 549 ~15% TOTAL vmstat.procs.r
0.83 ~14% +38.1% 1.15 ~12% TOTAL perf-profile.cpu-cycles.copy_pte_range.copy_page_range.copy_process.do_fork.sys_clone
106076 ~ 4% +22.4% 129816 ~ 3% TOTAL softirqs.RCU
12117 ~ 6% -9.9% 10914 ~ 6% TOTAL slabinfo.kmalloc-256.active_objs
32163 ~17% +39.4% 44824 ~12% TOTAL time.voluntary_context_switches
276487 ~ 1% +16.5% 322091 ~ 1% TOTAL time.involuntary_context_switches
83.14 ~ 0% +13.3% 94.21 ~ 0% TOTAL time.user_time
108800 ~ 2% +9.4% 119014 ~ 3% TOTAL time.minor_page_faults
1255 ~ 0% +9.9% 1379 ~ 0% TOTAL time.system_time
6774 ~ 1% +8.8% 7373 ~ 1% TOTAL vmstat.system.cs
52.15 ~ 0% +8.0% 56.34 ~ 0% TOTAL time.elapsed_time
25185 ~ 0% +2.4% 25784 ~ 0% TOTAL vmstat.system.in
79.23 ~ 0% +2.0% 80.80 ~ 0% TOTAL turbostat.%c0
2567 ~ 0% +1.9% 2615 ~ 0% TOTAL time.percent_of_cpu_this_job_got
112 ~ 0% +1.3% 113 ~ 0% TOTAL turbostat.Cor_W
138 ~ 0% +1.0% 139 ~ 0% TOTAL turbostat.Pkg_W
Legend:
~XX% - stddev percent
[+-]XX% - change percent
Thanks,
Jet
[-- Attachment #2: reproduce --]
[-- Type: text/plain, Size: 2360 bytes --]
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/cpu4/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
next reply other threads:[~2014-05-15 3:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-15 3:56 Jet Chen [this message]
2014-05-15 3:56 ` [uprobes/x86] 8ad8e9d3fd6: -7.5% aim7.2000.jobs-per-min, -45.7% turbostat.%c1 Jet Chen
2014-05-15 12:33 ` Oleg Nesterov
2014-05-15 12:33 ` Oleg Nesterov
2014-05-15 12:54 ` Fengguang Wu
2014-05-15 12:54 ` Fengguang Wu
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