On 02/07/2014 04:33 AM, Fengguang Wu wrote:
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
These two tests show an improvement in power :-)
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
I am investigating where the aim benchmark went south.
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