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From: Fengguang Wu <fengguang.wu@intel.com>
To: lkp@lists.01.org
Subject: [rcu] 7c66b15f870: +1.8% turbostat.Pkg_W
Date: Thu, 26 Jun 2014 09:33:08 +0800	[thread overview]
Message-ID: <20140626013308.GA12239@localhost> (raw)

[-- Attachment #1: Type: text/plain, Size: 7357 bytes --]

Hi Paul,

We noticed increased power consumption in our internal merge commit.
It's not a direct evidence, however in the hope you can see any
obvious clues. :)

git://internal_merge_and_test_tree devel-hourly-2014062315
commit 7c66b15f8704703f6861faa246387342f7a05108 ("Merge 'rcu/rcu_cond_resched.2014.06.20c' into devel-hourly-2014062315")

Merge sequence is:

7c66b15 Merge 'rcu/rcu_cond_resched.2014.06.20c' into devel-hourly-2014062315
db47b74 Merge 'ipvs-next/master' into devel-hourly-2014062315
ca8d737 Merge 'regulator/topic/ab8500' into devel-hourly-2014062315
aee9255 Merge 'renesas/devel' into devel-hourly-2014062315
af18816 Merge 'vireshk/tick/lowres-go-tickless' into devel-hourly-2014062315
3cf94bc1 Merge 'vireshk/tick/ONESHOT-STOPPED' into devel-hourly-2014062315
94ae897 Merge 'asoc/topic/tlv320aic32x4' into devel-hourly-2014062315
28ef1ff Merge 'tianyu/dep_support' into devel-hourly-2014062315
f04bc00 Merge 'robclark/msm-next' into devel-hourly-2014062315
03f1b1e Merge 'net/master' into devel-hourly-2014062315
a1a9b33 Merge 'spi/fix/qup' into devel-hourly-2014062315
45bf5db Merge 'renesas/next' into devel-hourly-2014062315
fb20fce Merge 'asoc/for-next' into devel-hourly-2014062315
a385be7 Merge 'asoc/topic/samsung' into devel-hourly-2014062315
1a9f804 0day base guard for 'devel-hourly-2014062315'
a497c3b Linux 3.16-rc2

test case: brickland3/vm-scalability/300s-anon-rx-seq-mt

db47b74b78e1623  7c66b15f8704703f6861faa24  
---------------  -------------------------  
      0.73 ~ 7%     -13.4%       0.64 ~ 6%  TOTAL turbostat.%c1
      1499 ~ 5%     +11.6%       1672 ~ 2%  TOTAL slabinfo.sock_inode_cache.num_objs
      1499 ~ 5%     +11.6%       1672 ~ 2%  TOTAL slabinfo.sock_inode_cache.active_objs
      4.36 ~ 1%      -8.1%       4.01 ~ 1%  TOTAL turbostat.%c6
     11782 ~ 1%      +8.0%      12726 ~ 2%  TOTAL time.involuntary_context_switches
      2848 ~ 0%      +4.8%       2983 ~ 0%  TOTAL time.user_time
     24.26 ~ 0%      +4.4%      25.33 ~ 0%  TOTAL time.elapsed_time
       402 ~ 0%      +2.0%        410 ~ 0%  TOTAL turbostat.Cor_W
       469 ~ 0%      +1.8%        477 ~ 0%  TOTAL turbostat.Pkg_W

c8bb7487275a9b7  7c66b15f8704703f6861faa24
---------------  -------------------------
 2.047e+08 ~ 0%      -5.2%  1.942e+08 ~ 0%  TOTAL vm-scalability.throughput
     58629 ~11%     +25.1%      73348 ~13%  TOTAL numa-numastat.node3.local_node
     58670 ~11%     +25.1%      73387 ~13%  TOTAL numa-numastat.node3.numa_hit
        41 ~ 6%     -12.6%         36 ~ 1%  TOTAL numa-numastat.node2.other_node
    493777 ~ 2%     -12.7%     431077 ~ 3%  TOTAL proc-vmstat.pgfault
    386476 ~ 1%     -10.1%     347456 ~ 2%  TOTAL proc-vmstat.pgalloc_normal
    366616 ~ 2%      -9.6%     331587 ~ 2%  TOTAL proc-vmstat.numa_hit
    366489 ~ 2%      -9.6%     331475 ~ 2%  TOTAL proc-vmstat.numa_local
     11970 ~ 2%      +6.3%      12726 ~ 2%  TOTAL time.involuntary_context_switches
      2829 ~ 0%      +5.5%       2983 ~ 0%  TOTAL time.user_time
     24.02 ~ 0%      +5.5%      25.33 ~ 0%  TOTAL time.elapsed_time
       402 ~ 0%      +2.0%        410 ~ 0%  TOTAL turbostat.Cor_W
       469 ~ 0%      +1.7%        477 ~ 0%  TOTAL turbostat.Pkg_W

Legend:
	~XX%    - stddev percent
	[+-]XX% - change percent


                                  time.user_time

  3000 ++-------------------------------------------------------------------+
  2980 ++O O O O     O   O   O O O O   O  O O                               |
       |         O O   O   O         O                                      |
  2960 O+                                                                   |
  2940 ++                                                                   |
       |                                                                    |
  2920 ++                                                                   |
  2900 ++                                                                   |
  2880 ++                                                                   |
       |                                                                    |
  2860 ++        *. .*.   .*.                                   *.   .*.    |
  2840 ++       +  *   *.*   *.                                +  *.*   *.  |
       *.   .*.*               *.*.*.*.*..*.*.*. .*.*.*.*.*.*.*           *.*
  2820 ++*.*                                    *                           |
  2800 ++-------------------------------------------------------------------+


                                 time.elapsed_time

    29 ++-------------------------------------------------------------------+
  28.5 O+                                                                   |
       |                                                                    |
    28 ++                                                                   |
  27.5 ++                                                                   |
    27 ++                                                                   |
  26.5 ++                                                                   |
       |                                                                    |
    26 ++                                                                   |
  25.5 ++O O O O O O O   O O O O O O O O  O O                               |
    25 ++              O                                                    |
  24.5 ++                                                                   |
       |    .*. .*.*.*.*.*.*.*.                                .*.*.*.*.*.  |
    24 *+*.*   *               *.*.*.*.*..*.*.*.*.*.*.*.*.*.*.*           *.*
  23.5 ++-------------------------------------------------------------------+


                               vm-scalability.throughput

  2.06e+08 ++*-*---------------------------------*--------------------------+
           *    +                 *.*.*.*.*.**.*   *.*.*.*.*.*.*          *.|
  2.04e+08 ++    *.*.            +                              +        +  *
           |         **.*.*.*.*.*                                **.*.*.*   |
  2.02e+08 ++                                                               |
           |                                                                |
     2e+08 ++                                                               |
           |                                                                |
  1.98e+08 ++                                                               |
           |                                                                |
  1.96e+08 O+                                                               |
           | O       OO   O                                                 |
  1.94e+08 ++  O O O    O   O O O O O O O O OO                              |
           |                                                                |
  1.92e+08 ++---------------------------------------------------------------+


	[*] 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

             reply	other threads:[~2014-06-26  1:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-26  1:33 Fengguang Wu [this message]
2014-06-26  2:10 ` [rcu] 7c66b15f870: +1.8% turbostat.Pkg_W Paul E. McKenney
2014-06-26  2:18   ` Fengguang Wu
2014-06-26  4:00     ` Paul E. McKenney

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