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perf/x86/intel: Enable C-state residency events for Cannon Lake
authorHarry Pan <harry.pan@intel.com>
Fri, 9 Mar 2018 12:15:48 +0000 (20:15 +0800)
committerIngo Molnar <mingo@kernel.org>
Sat, 31 Mar 2018 09:28:36 +0000 (11:28 +0200)
commit1159e09476536250c2a0173d4298d15114df7a89
treec7602afbb5f98b270f071b87e695ffd8d3218911
parent490d03e83da2a5e9d7db84b1ec30a9c95415787e
perf/x86/intel: Enable C-state residency events for Cannon Lake

Cannon Lake supports C1/C3/C6/C7, PC2/PC3/PC6/PC7/PC8/PC9/PC10
state residency counters, this patch enables those counters.

( The MSR information is based on Intel Software Developers' Manual,
  Vol. 4, Order No. 335592. )

Tested-by: Puthikorn Voravootivat <puthik@chromium.org>
Signed-off-by: Harry Pan <harry.pan@intel.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan.liang@intel.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: gs0622@gmail.com
Link: http://lkml.kernel.org/r/20180309121549.630-3-harry.pan@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/events/intel/cstate.c