Re: [PATCH] perf/rapl: restart perf rapl counter after resume

2019-06-20 Thread Liang, Kan
On 6/20/2019 8:50 AM, Peter Zijlstra wrote: On Mon, Jun 17, 2019 at 09:41:37PM +0800, Zhang Rui wrote: After S3 suspend/resume, "perf stat -I 1000 -e power/energy-pkg/ -a" reports an insane value for the very first sampling period after resume as shown below. 19.278989977  

Re: [PATCH] perf/rapl: restart perf rapl counter after resume

2019-06-20 Thread Peter Zijlstra
On Mon, Jun 17, 2019 at 09:41:37PM +0800, Zhang Rui wrote: > After S3 suspend/resume, "perf stat -I 1000 -e power/energy-pkg/ -a" > reports an insane value for the very first sampling period after resume > as shown below. > > 19.278989977   2.16 Joules power/energy-pkg/ > 20.2

[PATCH] perf/rapl: restart perf rapl counter after resume

2019-06-17 Thread Zhang Rui
>From b74a74f953f4c34818a58831b6eb468b42b17c62 Mon Sep 17 00:00:00 2001 From: Zhang Rui Date: Tue, 23 Apr 2019 16:26:50 +0800 Subject: [PATCH] perf/rapl: restart perf rapl counter after resume After S3 suspend/resume, "perf stat -I 1000 -e power/energy-pkg/ -a" reports an insane