[PATCH 3.16.y-ckt 035/110] perf/x86/rapl: Enable Broadwell-U RAPL support
Luis Henriques
luis.henriques at canonical.com
Fri Jun 5 13:57:18 UTC 2015
3.16.7-ckt13 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Stephane Eranian <eranian at google.com>
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
Signed-off-by: Stephane Eranian <eranian at google.com>
Cc: Andy Lutomirski <luto at amacapital.net>
Cc: Borislav Petkov <bp at alien8.de>
Cc: Brian Gerst <brgerst at gmail.com>
Cc: Denys Vlasenko <dvlasenk at redhat.com>
Cc: H. Peter Anvin <hpa at zytor.com>
Cc: Linus Torvalds <torvalds at linux-foundation.org>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: jacob.jun.pan at linux.intel.com
Cc: kan.liang at intel.com
Cc: peterz at infradead.org
Cc: sonnyrao at chromium.org
Link: http://lkml.kernel.org/r/20150423070709.GA4970@thinkpad
Signed-off-by: Ingo Molnar <mingo at kernel.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
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 619f7699487a..0ee067ee830f 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -664,6 +664,7 @@ 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;
More information about the kernel-team
mailing list