Messages in this thread Patch in this message | | | From | Harry Pan <> | Subject | [PATCH 1/2] perf/x86/rapl: Enable Apollo Lake RAPL support | Date | Thu, 8 Sep 2016 17:08:57 +0800 |
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This patch enables RAPL counters (energy consumption counters) support for Intel Apollo Lake (Goldmont) processors (Model 92):
RAPL of Goldmont, unlikes ESU increment of Silvermont/Airmont, it likes the Haswell microarchitecture in 1/2^ESU joules and supports power domains in PP0/PP1/PKG/RAM.
ESU and power domains refer to Intel Software Developers' Manual, Vol. 3C, Order No. 325384, Table 35-12.
Usage example:
$ perf list $ perf stat -a -e power/energy-cores/,power/energy-pkg/ sleep 10
Signed-off-by: Harry Pan <harry.pan@intel.com> --- arch/x86/events/intel/rapl.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c index 2886593..f7924640 100644 --- a/arch/x86/events/intel/rapl.c +++ b/arch/x86/events/intel/rapl.c @@ -765,6 +765,8 @@ static const struct x86_cpu_id rapl_cpu_match[] __initconst = { X86_RAPL_MODEL_MATCH(INTEL_FAM6_SKYLAKE_MOBILE, skl_rapl_init), X86_RAPL_MODEL_MATCH(INTEL_FAM6_SKYLAKE_DESKTOP, skl_rapl_init), X86_RAPL_MODEL_MATCH(INTEL_FAM6_SKYLAKE_X, hsx_rapl_init), + + X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GOLDMONT, hsw_rapl_init), {}, }; -- 2.6.6
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