Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.0 070/148] perf/x86/rapl: Enable Broadwell-U RAPL support | Date | Wed, 3 Jun 2015 21:09:00 +0900 |
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4.0-stable review patch. If anyone has any objections, please let me know.
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From: Stephane Eranian <eranian@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@google.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: jacob.jun.pan@linux.intel.com Cc: kan.liang@intel.com Cc: peterz@infradead.org Cc: sonnyrao@chromium.org Link: http://lkml.kernel.org/r/20150423070709.GA4970@thinkpad Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- arch/x86/kernel/cpu/perf_event_intel_rapl.c | 1 + 1 file changed, 1 insertion(+)
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c +++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c @@ -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;
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