2015-04-23 07:07:17

by Stephane Eranian

[permalink] [raw]
Subject: [PATCH] perf/x86/rapl: enable Broadwell-U RAPL support


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

Signed-off-by: Stephane Eranian <[email protected]>
---
arch/x86/kernel/cpu/perf_event_intel_rapl.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index 999289b9..358c54a 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -722,6 +722,7 @@ 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;
--
2.1.0


Subject: [tip:perf/core] perf/x86/rapl: Enable Broadwell-U RAPL support

Commit-ID: 44b11fee51711ca85aa2b121a49bf029d18a3722
Gitweb: http://git.kernel.org/tip/44b11fee51711ca85aa2b121a49bf029d18a3722
Author: Stephane Eranian <[email protected]>
AuthorDate: Thu, 23 Apr 2015 09:07:09 +0200
Committer: Ingo Molnar <[email protected]>
CommitDate: Mon, 11 May 2015 11:52:30 +0200

perf/x86/rapl: Enable Broadwell-U RAPL support

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

Signed-off-by: Stephane Eranian <[email protected]>
Cc: <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/20150423070709.GA4970@thinkpad
Signed-off-by: Ingo Molnar <[email protected]>
---
arch/x86/kernel/cpu/perf_event_intel_rapl.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index 999289b9..358c54a 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -722,6 +722,7 @@ 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;