Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Alex Shi
On 11/22/2013 02:37 PM, Alex Shi wrote: > latest kernel 527d1511310a89+ this patchset > hackbench -T -g 10 -f 40 > 23.25" 21.7" > 23.16" 19.99" > 24.24" 21.53" >

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Alex Shi
On 11/26/2013 09:01 PM, Daniel Lezcano wrote: > > Ok, bad copy-paste, the third test run results with the patchset is wrong. > > hackbench -P -s 4096 -l 1000 -g 10 -f 40 > 38.938 39.585 > 39.363 39.008 > 39.340 38.954 >

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Daniel Lezcano
On 11/26/2013 01:52 PM, Alex Shi wrote: On 11/26/2013 08:35 PM, Daniel Lezcano wrote: Here the new results with your patchset + patch #5 I have some issues with perf for the moment, so I will fix it up and send the result after. Thanks a lot, Daniel! The result is pretty good!, thread/pipe

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Daniel Lezcano
On 11/26/2013 01:52 PM, Alex Shi wrote: On 11/26/2013 08:35 PM, Daniel Lezcano wrote: Here the new results with your patchset + patch #5 I have some issues with perf for the moment, so I will fix it up and send the result after. Thanks a lot, Daniel! The result is pretty good!, thread/pipe

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Alex Shi
On 11/26/2013 08:35 PM, Daniel Lezcano wrote: > > > Here the new results with your patchset + patch #5 > > I have some issues with perf for the moment, so I will fix it up and > send the result after. Thanks a lot, Daniel! The result is pretty good!, thread/pipe performance has a slight little

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Daniel Lezcano
On 11/24/2013 06:29 AM, Alex Shi wrote: On 11/22/2013 08:13 PM, Daniel Lezcano wrote: Hi Alex, I tried on my Xeon server (2 x 4 cores) your patchset and got the following result: kernel a5d6e63323fe7799eb0e6 / + patchset hackbench -T -s 4096 -l 1000 -g 10 -f 40 27.604

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Daniel Lezcano
On 11/24/2013 06:29 AM, Alex Shi wrote: On 11/22/2013 08:13 PM, Daniel Lezcano wrote: Hi Alex, I tried on my Xeon server (2 x 4 cores) your patchset and got the following result: kernel a5d6e63323fe7799eb0e6 / + patchset hackbench -T -s 4096 -l 1000 -g 10 -f 40 27.604

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Alex Shi
On 11/26/2013 08:35 PM, Daniel Lezcano wrote: Here the new results with your patchset + patch #5 I have some issues with perf for the moment, so I will fix it up and send the result after. Thanks a lot, Daniel! The result is pretty good!, thread/pipe performance has a slight little drop,

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Daniel Lezcano
On 11/26/2013 01:52 PM, Alex Shi wrote: On 11/26/2013 08:35 PM, Daniel Lezcano wrote: Here the new results with your patchset + patch #5 I have some issues with perf for the moment, so I will fix it up and send the result after. Thanks a lot, Daniel! The result is pretty good!, thread/pipe

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Daniel Lezcano
On 11/26/2013 01:52 PM, Alex Shi wrote: On 11/26/2013 08:35 PM, Daniel Lezcano wrote: Here the new results with your patchset + patch #5 I have some issues with perf for the moment, so I will fix it up and send the result after. Thanks a lot, Daniel! The result is pretty good!, thread/pipe

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Alex Shi
On 11/26/2013 09:01 PM, Daniel Lezcano wrote: Ok, bad copy-paste, the third test run results with the patchset is wrong. hackbench -P -s 4096 -l 1000 -g 10 -f 40 38.938 39.585 39.363 39.008 39.340 38.954 38.909

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-26 Thread Alex Shi
On 11/22/2013 02:37 PM, Alex Shi wrote: latest kernel 527d1511310a89+ this patchset hackbench -T -g 10 -f 40 23.25 21.7 23.16 19.99 24.24 21.53 hackbench -p

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-25 Thread Alex Shi
On 11/25/2013 04:36 PM, Daniel Lezcano wrote: > On 11/25/2013 01:58 AM, Alex Shi wrote: >> On 11/22/2013 08:13 PM, Daniel Lezcano wrote: >>> >>> Hi Alex, >>> >>> I tried on my Xeon server (2 x 4 cores) your patchset and got the >>> following result: >>> >>> kernel a5d6e63323fe7799eb0e6 / +

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-25 Thread Daniel Lezcano
On 11/25/2013 01:58 AM, Alex Shi wrote: On 11/22/2013 08:13 PM, Daniel Lezcano wrote: Hi Alex, I tried on my Xeon server (2 x 4 cores) your patchset and got the following result: kernel a5d6e63323fe7799eb0e6 / + patchset hackbench -T -s 4096 -l 1000 -g 10 -f 40 27.604

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-25 Thread Daniel Lezcano
On 11/25/2013 01:58 AM, Alex Shi wrote: On 11/22/2013 08:13 PM, Daniel Lezcano wrote: Hi Alex, I tried on my Xeon server (2 x 4 cores) your patchset and got the following result: kernel a5d6e63323fe7799eb0e6 / + patchset hackbench -T -s 4096 -l 1000 -g 10 -f 40 27.604

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-25 Thread Alex Shi
On 11/25/2013 04:36 PM, Daniel Lezcano wrote: On 11/25/2013 01:58 AM, Alex Shi wrote: On 11/22/2013 08:13 PM, Daniel Lezcano wrote: Hi Alex, I tried on my Xeon server (2 x 4 cores) your patchset and got the following result: kernel a5d6e63323fe7799eb0e6 / + patchset hackbench -T -s

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-24 Thread Alex Shi
On 11/22/2013 08:13 PM, Daniel Lezcano wrote: > > Hi Alex, > > I tried on my Xeon server (2 x 4 cores) your patchset and got the > following result: > > kernel a5d6e63323fe7799eb0e6 / + patchset > > hackbench -T -s 4096 -l 1000 -g 10 -f 40 > 27.604 38.556 Hi Daniel, would

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-24 Thread Alex Shi
On 11/22/2013 08:13 PM, Daniel Lezcano wrote: Hi Alex, I tried on my Xeon server (2 x 4 cores) your patchset and got the following result: kernel a5d6e63323fe7799eb0e6 / + patchset hackbench -T -s 4096 -l 1000 -g 10 -f 40 27.604 38.556 Hi Daniel, would you like

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-23 Thread Alex Shi
On 11/22/2013 08:13 PM, Daniel Lezcano wrote: > > Hi Alex, > > I tried on my Xeon server (2 x 4 cores) your patchset and got the > following result: > > kernel a5d6e63323fe7799eb0e6 / + patchset > > hackbench -T -s 4096 -l 1000 -g 10 -f 40 > 27.604 38.556 Wondering if the

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-23 Thread Alex Shi
On 11/22/2013 08:13 PM, Daniel Lezcano wrote: >> >> The git tree for this patchset at: >> g...@github.com:alexshi/power-scheduling.git no-load-idx >> Since Fengguang had included this tree into his kernel testing system. >> and I haven't get a regression report until now. I suppose it is fine >>

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-23 Thread Alex Shi
On 11/22/2013 08:13 PM, Daniel Lezcano wrote: The git tree for this patchset at: g...@github.com:alexshi/power-scheduling.git no-load-idx Since Fengguang had included this tree into his kernel testing system. and I haven't get a regression report until now. I suppose it is fine for x86

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-23 Thread Alex Shi
On 11/22/2013 08:13 PM, Daniel Lezcano wrote: Hi Alex, I tried on my Xeon server (2 x 4 cores) your patchset and got the following result: kernel a5d6e63323fe7799eb0e6 / + patchset hackbench -T -s 4096 -l 1000 -g 10 -f 40 27.604 38.556 Wondering if the following

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-22 Thread Daniel Lezcano
On 11/22/2013 07:37 AM, Alex Shi wrote: The cpu_load decays on time according past cpu load of rq. New sched_avg decays on tasks' load of time. Now we has 2 kind decay for cpu_load. That is a kind of redundancy. And increase the system load in sched_tick etc. This patch trying to remove the

Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-22 Thread Daniel Lezcano
On 11/22/2013 07:37 AM, Alex Shi wrote: The cpu_load decays on time according past cpu load of rq. New sched_avg decays on tasks' load of time. Now we has 2 kind decay for cpu_load. That is a kind of redundancy. And increase the system load in sched_tick etc. This patch trying to remove the

[RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-21 Thread Alex Shi
The cpu_load decays on time according past cpu load of rq. New sched_avg decays on tasks' load of time. Now we has 2 kind decay for cpu_load. That is a kind of redundancy. And increase the system load in sched_tick etc. This patch trying to remove the cpu_load decay. And fixed a nohz_full bug

[RFC PATCH 0/4] sched: remove cpu_load decay.

2013-11-21 Thread Alex Shi
The cpu_load decays on time according past cpu load of rq. New sched_avg decays on tasks' load of time. Now we has 2 kind decay for cpu_load. That is a kind of redundancy. And increase the system load in sched_tick etc. This patch trying to remove the cpu_load decay. And fixed a nohz_full bug