Patch "perf/x86/rapl: Enable Broadwell-U RAPL support" has been added to the 4.0-stable tree
Subsystems (3)
This is a note to let you know that I've just added the patch titled
perf/x86/rapl: Enable Broadwell-U RAPL support
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
perf-x86-rapl-enable-broadwell-u-rapl-support.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
44b11fee51711ca85aa2b121a49bf029d18a3722Mon Sep 17 00:00:00 2001
From: Stephane Eranian <[email protected]>
Date: Thu, 23 Apr 2015 09:07:09 +0200
Subject: perf/x86/rapl: Enable Broadwell-U RAPL support
From: Stephane Eranian <[email protected]>
commit 44b11fee51711ca85aa2b121a49bf029d18a3722 upstream.
This patch enables RAPL counters (energy consumption counters) support for Intel Broadwell-U processors (Model 61):
To use:
$ perf stat -a -I 1000 -e power/energy-cores/,power/energy-pkg/,power/energy-ram/ sleep 10
--- arch/x86/kernel/cpu/perf_event_intel_rapl.c | 1 + 1 file changed, 1 insertion(+)
arch/x86/kernel/cpu/perf_event_intel_rapl.c +1 -0
@@ -680,6 +680,7 @@ static int __init rapl_pmu_init(void)break ;case 60 :/* Haswell */ case 69 :/* Haswell-Celeron */ +case 61 :/* Broadwell */ rapl_cntr_mask =RAPL_IDX_HSW ; rapl_pmu_events_group.attrs = rapl_events_hsw_attr;break ;
Patches currently in stable-queue which might be from [email protected] are
queue-4.0/perf-x86-rapl-enable-broadwell-u-rapl-support.patch