Hi Yoshihiro,

FYI, we noticed the below changes on

commit 939c7a4f04fcd2162109744e8bf88194948a6e65 ("tracing: Introduce saved_cmdlines_size file")

test case: brickland3/aim7/3000-brk_test

beba4bb096201ce  939c7a4f04fcd2162109744e8
---------------  -------------------------
     352643 ~40%     -46.4%     189136 ~15%  TOTAL cpuidle.C3-IVT.time
        750 ~ 2%     -13.3%        650 ~ 2%  TOTAL vmstat.procs.b
     362016 ~ 3%      -6.0%     340296 ~ 3%  TOTAL proc-vmstat.pgmigrate_success
     362016 ~ 3%      -6.0%     340296 ~ 3%  TOTAL proc-vmstat.numa_pages_migrated
    1642328 ~ 3%     +13.3%    1860721 ~ 2%  TOTAL softirqs.RCU
    2278829 ~ 2%     -14.0%    1959647 ~ 2%  TOTAL time.voluntary_context_switches
        207 ~ 0%     -10.4%        185 ~ 0%  TOTAL time.user_time
      	   ~ 0%      +8.5%            ~ 0%  TOTAL turbostat.RAM_W
    4418246 ~ 3%      -6.4%    4136447 ~ 1%  TOTAL time.minor_page_faults
            ~ 0%      +3.4%            ~ 0%  TOTAL turbostat.Cor_W
            ~ 0%      +3.0%            ~ 0%  TOTAL turbostat.Pkg_W
   11354889 ~ 0%      +2.0%   11579897 ~ 0%  TOTAL time.involuntary_context_switches

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


                             time.voluntary_context_switches

   2.4e+06 ++---------------------------------------------------*------------+
           *..                         *..                    ..  ..         |
   2.3e+06 ++      .*..          *.. ..                      *               |
           |  *..*.    .  .*.. ..   *     *..               +       *..   *..*
           |            *.    *              .     .*..*.. +            ..   |
   2.2e+06 ++                                 *..*.       *            *     |
           |                                                                 |
   2.1e+06 ++                                                                |
           |                                                                 |
     2e+06 O+                                 O           O            O     |
           |                     O     O                     O      O        |
           |        O   O  O  O                  O                           |
   1.9e+06 ++ O  O                                  O           O            |
           |                        O     O            O                     |
   1.8e+06 ++----------------------------------------------------------------+


                                   turbostat.Pkg_W

    ++--------------------------------------------------------------------+
    O+ O   O     O      O                O                                |
    |         O      O     O   O  O  O      O      O     O   O  O  O      |
    ++                                         O      O                   |
    ++                                                                    |
    ++                                                                    |
    ++                                                                    |
    |                                                                     |
    ++                                                                    |
    ++                                                                    |
    ++        *..      .*..                                               |
    *+.*... ..   *...*.    *...*..*..*...*..*..  ..*..   *...*..*..*...*..*
    |      *                                   *.      ..                 |
    ++                                                *                   |
    ++--------------------------------------------------------------------+


                                   turbostat.Cor_W

    ++--------------------------------------------------------------------+
    O+ O   O  O  O   O  O                O  O                      O      |
    |                      O   O  O  O         O   O  O  O   O  O         |
    ++                                                                    |
    ++                                                                    |
    |                                                                     |
    ++                                                                    |
    ++                                                                    |
    ++                                                                    |
    |                                                                     |
    ++        *..                                                         |
    *+.*... ..   *...*..*..*...*..*..*...*..*..  ..*..   *...  .*..*...*..*
    |      *                                   *.      ..    *.           |
    ++                                                *                   |
    ++--------------------------------------------------------------------+


                                  turbostat.RAM_W

   ++---------------------------------------------------------------------+
   |  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,
Jet