Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752770Ab3FHUbo (ORCPT ); Sat, 8 Jun 2013 16:31:44 -0400 Received: from sema.semaphore.gr ([78.46.194.137]:50789 "EHLO sema.semaphore.gr" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752694Ab3FHUbn (ORCPT ); Sat, 8 Jun 2013 16:31:43 -0400 Message-ID: <51B394A9.3020005@semaphore.gr> Date: Sat, 08 Jun 2013 23:31:37 +0300 From: Stratos Karafotis User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6 MIME-Version: 1.0 To: "Rafael J. Wysocki" CC: Borislav Petkov , Viresh Kumar , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , linux-pm@vger.kernel.org, cpufreq@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 1/3] cpufreq: ondemand: Change the calculation of target frequency References: <1731097.2elXaGsAyC@vostro.rjw.lan> In-Reply-To: <1731097.2elXaGsAyC@vostro.rjw.lan> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5932 Lines: 149 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/