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Message-ID: <20140207123315.GA3448@localhost>
Date: Fri, 7 Feb 2014 20:33:15 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Dirk Brandewie <dirk.j.brandewie@...el.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [intel_pstate] fcb6a15c: -34.4% aim7 jobs-per-min and -17.0%
will-it-scale/page_fault1 Pkg_W
Hi Dirk,
FYI, we notice dropped power and performance numbers on commit
fcb6a15c2e7e76d493e6f91ea889ab40e1c643a4 ("intel_pstate: Take core C0
time into account for core busy calculation").
v3.14-rc1 fcb6a15c2e7e76d493e6f91ea
--------------- -------------------------
6.53 ~ 4% -12.0% 5.75 ~ 2% lkp-sb03/micro/netperf/120s-200%-SCTP_STREAM
147.93 ~ 0% -23.3% 113.40 ~ 0% lkp-sbx04/micro/will-it-scale/page_fault1
154.46 ~ 0% -22.9% 119.15 ~ 0% TOTAL turbostat.Cor_W
v3.14-rc1 fcb6a15c2e7e76d493e6f91ea
--------------- -------------------------
203 ~ 0% -17.0% 169 ~ 0% lkp-sbx04/micro/will-it-scale/page_fault1
203 ~ 0% -17.0% 169 ~ 0% TOTAL turbostat.Pkg_W
v3.14-rc1 fcb6a15c2e7e76d493e6f91ea
--------------- -------------------------
572540 ~ 1% -30.2% 399351 ~ 1% grantley/micro/aim7/disk_src
317151 ~ 1% -42.0% 183863 ~ 0% grantley/micro/aim7/shell_rtns_1
889692 ~ 1% -34.4% 583214 ~ 1% TOTAL aim7.2000.jobs-per-min
More details are attached.
time.user_time
600 ++-------------------------------------------------------------------+
O O O O O |
500 ++O O O O O O O O O O O O O O O O O O O O O O O O
| |
| |
400 ++ |
| |
300 ++ |
| |
200 ++ |
| |
| |
100 ++ |
| |
0 *+*--*-*--*-*--*-*--*-*--*-*--*-*--*-*-*--*--------------------------+
time.system_time
1200 ++------------------------------------------------------------------+
| |
1000 O+O O O O O O O O O O O O O O O O O O O O O O O O O O O O
| |
| |
800 ++ |
| |
600 ++ |
| |
400 ++ |
| |
| |
200 ++ |
*.*..*.*..*.*..*.*.*..*.*..*.*..*.*.*..*.* |
0 ++------------------------------------------------------------------+
time.percent_of_cpu_this_job_got
2500 O+O--O-O--O------O------O--O----O-O-O--O-O--O-O-----------O---------+
| O O O O O O O O O O O O O
| |
2000 ++ |
| |
| |
1500 ++ |
| |
1000 ++ |
| |
| |
500 ++ |
| |
*.*..*.*..*.*..*.*.*..*.*..*.*..*.*.*..*.* |
0 ++------------------------------------------------------------------+
time.elapsed_time
70 ++----------------------------O---------------------------------------+
| O O |
65 O+ O O O O O O O O O O O O O O O O O O O O O O
| O O O |
60 ++ |
| |
55 ++ |
| |
50 ++ |
| |
45 ++ |
| |
40 ++ .*. .*. .*. |
*..*.*. *..*.*..*.*. *..*.*..*.*. *..* |
35 ++--------------------------------------------------------------------+
aim7.2000.jobs-per-min
340000 ++----------------------------------------------------------------+
|.*.. .*.. .*.. .* *.* |
320000 *+ *. .*..* *.*. .*.* * + .. |
300000 ++ * *. * |
| |
280000 ++ |
| |
260000 ++ |
| |
240000 ++ |
220000 ++ |
| |
200000 ++ |
O O O O O O O O O |
180000 ++-------O--O-O----O-O----O----O-O-O--O------O-O--O-O-O--O-O-O--O-O
Thanks,
Fengguang
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