Messages in this thread Patch in this message | | | Date | Sat, 10 Sep 2016 05:42:00 -0700 | From | tip-bot for Harry Pan <> | Subject | [tip:perf/core] perf/x86/rapl: Enable Apollo Lake RAPL support |
| |
Commit-ID: 2668c6195685f4b6f281767d10b4f4f2e32c2305 Gitweb: http://git.kernel.org/tip/2668c6195685f4b6f281767d10b4f4f2e32c2305 Author: Harry Pan <harry.pan@intel.com> AuthorDate: Thu, 8 Sep 2016 17:08:57 +0800 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Sat, 10 Sep 2016 11:18:52 +0200
perf/x86/rapl: Enable Apollo Lake RAPL support
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> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: bp@alien8.de Cc: gs0622@gmail.com Cc: hpa@zytor.com Cc: srinivas.pandruvada@linux.intel.com Link: http://lkml.kernel.org/r/1473325738-730-1-git-send-email-harry.pan@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- 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 62bebcc..b0f0e83 100644 --- a/arch/x86/events/intel/rapl.c +++ b/arch/x86/events/intel/rapl.c @@ -767,6 +767,8 @@ 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), {}, };
| |