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Message-ID: <20160321071345.GB897@yexl-desktop>
Date: Mon, 21 Mar 2016 15:13:45 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Rik van Riel <riel@...hat.com>
Cc: 0day robot <fengguang.wu@...el.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [cpuidle] 664ef5b861: No primary result change, +13.7%
turbostat.PkgWatt
FYI, we noticed that turbostat.PkgWatt +13.7% change with your commit.
https://github.com/0day-ci/linux Rik-van-Riel/cpuidle-break-out-of-idle-polling-loop-after-HLT-threshold/20160319-053854
commit 664ef5b8615ff12b03b46988408b4c0a15eab07c ("cpuidle: use high confidence factors only when considering polling")
=========================================================================================
cluster/compiler/cpufreq_governor/ip/kconfig/nr_threads/rootfs/runtime/tbox_group/test/testcase:
cs-localhost/gcc-4.9/performance/ipv4/x86_64-rhel/1/debian-x86_64-2015-02-07.cgz/300s/lkp-hsw-d01/SCTP_RR/netperf
commit:
38497f04cd3604396327ba1810dde0ac239989f4
664ef5b8615ff12b03b46988408b4c0a15eab07c
38497f04cd360439 664ef5b8615ff12b03b4698840
---------------- --------------------------
%stddev %change %stddev
\ | \
67771 ± 1% +2.8% 69694 ± 1% netperf.Throughput_tps
77.00 ± 0% +1.3% 78.00 ± 0% netperf.time.percent_of_cpu_this_job_got
226.75 ± 0% +3.3% 234.16 ± 0% netperf.time.system_time
20330477 ± 1% +2.8% 20907309 ± 1% netperf.time.voluntary_context_switches
9.29 ± 10% -42.2% 5.38 ± 6% time.user_time
266114 ± 1% +2.8% 273497 ± 1% vmstat.system.cs
1929 ± 1% +374.1% 9148 ± 23% vmstat.system.in
1.622e+08 ± 6% -64.3% 57961470 ± 6% cpuidle.C1-HSW.time
33127115 ± 3% -96.7% 1109711 ± 50% cpuidle.C1-HSW.usage
5649502 ± 10% +16.0% 6551668 ± 2% cpuidle.C3-HSW.time
63535957 ± 10% +117.7% 1.383e+08 ± 1% cpuidle.POLL.time
7659494 ± 10% +1097.5% 91718696 ± 3% cpuidle.POLL.usage
21.06 ± 1% +16.3% 24.50 ± 0% turbostat.%Busy
794.00 ± 2% +19.7% 950.33 ± 0% turbostat.Avg_MHz
20.14 ± 12% -20.2% 16.06 ± 10% turbostat.CPU%c1
0.38 ± 5% +18.5% 0.45 ± 3% turbostat.CPU%c3
17.24 ± 0% +21.0% 20.85 ± 2% turbostat.CorWatt
25.77 ± 0% +13.7% 29.31 ± 1% turbostat.PkgWatt
0.51 ± 39% +164.7% 1.36 ± 36% perf-profile.cycles-pp._raw_spin_lock_bh.lock_sock_nested.sctp_skb_recv_datagram.sctp_recvmsg.sock_common_recvmsg
0.51 ± 34% +142.9% 1.23 ± 27% perf-profile.cycles-pp.cpuidle_select.cpu_startup_entry.start_secondary
1.34 ± 7% +11.8% 1.50 ± 5% perf-profile.cycles-pp.dequeue_entity.dequeue_task_fair.deactivate_task.__schedule.schedule
14.74 ± 14% -78.4% 3.18 ± 68% perf-profile.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry
1.32 ± 12% -28.5% 0.94 ± 18% perf-profile.cycles-pp.is_ftrace_trampoline.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency
1.16 ± 17% -21.3% 0.91 ± 19% perf-profile.cycles-pp.kfree_skb.sctp_ulpevent_free.sctp_recvmsg.sock_common_recvmsg.sock_recvmsg
0.00 ± -1% +Inf% 17.25 ± 4% perf-profile.cycles-pp.ktime_get.poll_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle
0.68 ± 31% +126.6% 1.55 ± 33% perf-profile.cycles-pp.lock_sock_nested.sctp_skb_recv_datagram.sctp_recvmsg.sock_common_recvmsg.sock_recvmsg
0.38 ± 41% +178.9% 1.06 ± 28% perf-profile.cycles-pp.menu_select.cpuidle_select.cpu_startup_entry.start_secondary
0.30 ± 82% +304.4% 1.22 ± 42% perf-profile.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_bh.lock_sock_nested.sctp_skb_recv_datagram.sctp_recvmsg
9.13 ± 35% +165.1% 24.19 ± 3% perf-profile.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry
0.00 ± -1% +Inf% 10.46 ± 2% perf-profile.cycles-pp.read_tsc.ktime_get.poll_idle.cpuidle_enter_state.cpuidle_enter
1.14 ± 14% -16.2% 0.95 ± 8% perf-profile.cycles-pp.sctp_make_control.sctp_make_sack.sctp_packet_append_chunk.sctp_packet_transmit_chunk.sctp_outq_flush
1.71 ± 10% -16.3% 1.43 ± 5% perf-profile.cycles-pp.sctp_make_sack.sctp_packet_append_chunk.sctp_packet_transmit_chunk.sctp_outq_flush.sctp_outq_uncork
3.00 ± 8% -12.8% 2.62 ± 4% perf-profile.cycles-pp.sctp_packet_transmit_chunk.sctp_outq_flush.sctp_outq_uncork.sctp_cmd_interpreter.sctp_do_sm
1.40 ± 7% -23.9% 1.06 ± 11% perf-profile.cycles-pp.sctp_transport_reset_timers.sctp_outq_flush.sctp_outq_uncork.sctp_cmd_interpreter.sctp_do_sm
1.59 ± 20% -24.9% 1.19 ± 24% perf-profile.cycles-pp.sctp_ulpevent_free.sctp_recvmsg.sock_common_recvmsg.sock_recvmsg.___sys_recvmsg
lkp-hsw-d01: Haswell
Memory: 8G
turbostat.PkgWatt
35 ++---------------------------------------------------------------------+
| O |
30 OOO OO O OOO O O |
| O * * |
25 ** ******.*****.******.* ***.*** *.******.** **.******.*****.* ** *.***
|: : : : : : : : |
20 ++ : : : : : : : |
|: : : : : : : : |
15 ++ : : : : : : : |
| :: :: :: :: |
10 ++:: : : : |
| :: : : : |
5 ++: : : : |
| : : : : |
0 ++*------O----O----------*-------*-----------*-------------------------+
[*] bisect-good sample
[O] bisect-bad sample
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.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 provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
Thanks,
Xiaolong Ye.
View attachment "job.yaml" of type "text/plain" (3619 bytes)
View attachment "reproduce" of type "text/plain" (848 bytes)
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