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    Subject[PATCH 4.0 070/148] perf/x86/rapl: Enable Broadwell-U RAPL support
    Date
    4.0-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    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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