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Date: Sat, 08 Jun 2013 23:31:37 +0300
From: Stratos Karafotis <stratosk@...aphore.gr>
To: "Rafael J. Wysocki" <rjw@...k.pl>
CC: Borislav Petkov <bp@...e.de>,
Viresh Kumar <viresh.kumar@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, linux-pm@...r.kernel.org,
cpufreq@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] cpufreq: ondemand: Change the calculation of target
frequency
On 06/08/2013 05:05 PM, Rafael J. Wysocki wrote:
> On Saturday, June 08, 2013 03:34:29 PM Stratos Karafotis wrote:
>> I also did the test with the way you mentioned. But I thought to run turbostat for 100 sec as I did with powertop.
>
> Ah, OK.
>
>> Actually benchmark lasts about 96 secs.
>>
>> I think that we use almost the same energy for 100 sec to run the same load a little bit faster. I think this means also a reduce to power consumption.
>>
>> I will also send the results running the test as you said.
>
> Cool, thanks!
More results running:
./turbostat phoronix-test-suite benchmark pts/build-linux-kernel
Measurement steps with and without this patch:
1) Reboot system
2) Run twice the command above without taking measurement
3) Wait few minutes
4) Run the command and take measurement
Thanks,
Stratos
--------------------------------------------------------------
Test WITHOUT this patch:
Phoronix Test Suite v4.6.0
Installed: pts/build-linux-kernel-1.3.0
System Information
Hardware:
Processor: Intel Core i7-3770 @ 3.40GHz (8 Cores), Motherboard: ASUS CM6870, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 2 x 4096 MB DDR3-1600MHz HY64C1C1624ZY, Disk: 1000GB Seagate ST1000DM003-9YN1, Graphics: NVIDIA GeForce GT 640 3072MB, Audio: Realtek ALC892, Monitor: S23B350, Network: Realtek RTL8111/8168 + Ralink RT3090 Wireless 802.11n 1T/1R
Software:
OS: Fedora 18, Kernel: 3.10.0-rc3v+ (x86_64), Desktop: KDE 4.10.3, Display Server: X Server 1.13.3, Display Driver: nouveau 1.0.7, File-System: ext4, Screen Resolution: 1920x1080
Would you like to save these test results (Y/n):
Timed Linux Kernel Compilation 3.1:
pts/build-linux-kernel-1.3.0
Test 1 of 1
Estimated Trial Run Count: 3
Estimated Time To Completion: 2 Minutes
Running Pre-Test Script @ 22:59:35
Started Run 1 @ 22:59:46
Running Interim Test Script @ 23:00:00
Started Run 2 @ 23:00:04
Running Interim Test Script @ 23:00:13
Started Run 3 @ 23:00:17
Running Interim Test Script @ 23:00:26 [Std. Dev: 10.04%]
Started Run 4 @ 23:00:30
Running Interim Test Script @ 23:00:39 [Std. Dev: 8.98%]
Started Run 5 @ 23:00:43
Running Interim Test Script @ 23:00:53 [Std. Dev: 7.80%]
Started Run 6 @ 23:00:56 [Std. Dev: 7.21%]
Running Post-Test Script @ 23:01:06
Test Results:
11.121481895447
9.3301539421082
9.4521908760071
9.3115320205688
9.720575094223
9.396096944809
Average: 9.72 Seconds
cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 %c7 CTMP PTMP %pc2 %pc3 %pc6 %pc7 Pkg_W Cor_W GFX_W
40.96 3.57 3.39 0 9.83 3.36 45.85 0.00 46 46 0.00 0.00 0.00 0.00 27.25 21.27 0.00
0 0 37.65 3.67 3.39 0 20.53 3.18 38.64 0.00 46 46 0.00 0.00 0.00 0.00 27.25 21.27 0.00
0 4 52.10 3.54 3.39 0 6.08
1 1 35.21 3.66 3.39 0 11.45 3.80 49.54 0.00 41
1 5 41.99 3.45 3.39 0 4.66
2 2 35.46 3.66 3.39 0 10.97 3.60 49.97 0.00 38
2 6 41.90 3.48 3.39 0 4.53
3 3 39.44 3.69 3.39 0 12.46 2.86 45.24 0.00 41
3 7 43.90 3.45 3.39 0 7.99
94.876210 sec
---------------------------------------------------------------------
Test WITH this patch:
Phoronix Test Suite v4.6.0
Installed: pts/build-linux-kernel-1.3.0
System Information
Hardware:
Processor: Intel Core i7-3770 @ 3.40GHz (8 Cores), Motherboard: ASUS CM6870, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 2 x 4096 MB DDR3-1600MHz HY64C1C1624ZY, Disk: 1000GB Seagate ST1000DM003-9YN1, Graphics: NVIDIA GeForce GT 640 3072MB, Audio: Realtek ALC892, Monitor: S23B350, Network: Realtek RTL8111/8168 + Ralink RT3090 Wireless 802.11n 1T/1R
Software:
OS: Fedora 18, Kernel: 3.10.0-rc3+ (x86_64), Desktop: KDE 4.10.3, Display Server: X Server 1.13.3, Display Driver: nouveau 1.0.7, File-System: ext4, Screen Resolution: 1920x1080
Would you like to save these test results (Y/n):
Timed Linux Kernel Compilation 3.1:
pts/build-linux-kernel-1.3.0
Test 1 of 1
Estimated Trial Run Count: 3
Estimated Time To Completion: 2 Minutes
Running Pre-Test Script @ 22:48:20
Started Run 1 @ 22:48:30
Running Interim Test Script @ 22:48:44
Started Run 2 @ 22:48:47
Running Interim Test Script @ 22:48:56
Started Run 3 @ 22:49:00
Running Interim Test Script @ 22:49:10 [Std. Dev: 4.68%]
Started Run 4 @ 22:49:13
Running Interim Test Script @ 22:49:23 [Std. Dev: 4.72%]
Started Run 5 @ 22:49:26
Running Interim Test Script @ 22:49:35 [Std. Dev: 4.25%]
Started Run 6 @ 22:49:39 [Std. Dev: 3.98%]
Running Post-Test Script @ 22:49:48
Test Results:
10.205597162247
9.2953701019287
9.8262219429016
9.2547709941864
9.4089620113373
9.3398430347443
Average: 9.56 Seconds
cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 %c7 CTMP PTMP %pc2 %pc3 %pc6 %pc7 Pkg_W Cor_W GFX_W
41.50 3.59 3.39 0 9.76 3.10 45.64 0.00 46 46 0.00 0.00 0.00 0.00 27.66 21.69 0.00
0 0 35.70 3.66 3.39 0 13.02 3.74 47.55 0.00 46 46 0.00 0.00 0.00 0.00 27.66 21.69 0.00
0 4 44.02 3.49 3.39 0 4.69
1 1 37.20 3.67 3.39 0 12.29 2.90 47.62 0.00 39
1 5 44.49 3.54 3.39 0 4.99
2 2 35.62 3.66 3.39 0 20.04 2.53 41.81 0.00 40
2 6 52.39 3.55 3.39 0 3.27
3 3 37.65 3.67 3.39 0 13.53 3.24 45.58 0.00 40
3 7 44.94 3.55 3.39 0 6.25
92.544695 sec
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