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From: Harry Pan <harry.pan@intel.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: gs0622@gmail.com, Harry Pan <harry.pan@intel.com>,
	tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
	x86@kernel.org, peterz@infradead.org, bp@alien8.de,
	dave.hansen@linux.intel.com, srinivas.pandruvada@linux.intel.com
Subject: [PATCH 1/2] perf/x86/rapl: Enable Apollo Lake RAPL support
Date: Sat, 10 Sep 2016 01:53:57 +0800	[thread overview]
Message-ID: <1473443638-29170-1-git-send-email-harry.pan@intel.com> (raw)

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

             reply	other threads:[~2016-09-09 17:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-09 17:53 Harry Pan [this message]
2016-09-09 17:53 ` [PATCH 2/2] perf/x86/rapl: Enable Baytrail/Braswell " Harry Pan
2016-09-09 21:02   ` kbuild test robot
  -- strict thread matches above, loose matches on Subject: below --
2016-09-09 15:01 [PATCH 1/2] perf/x86/rapl: Enable Apollo Lake " Harry Pan
2016-09-08  9:08 Harry Pan

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