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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>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>
Subject: [PATCH] perf/x86/intel: Update KBL Package C-state events
Date: Wed, 24 Apr 2019 22:50:33 +0800	[thread overview]
Message-ID: <20190424145033.1924-1-harry.pan@intel.com> (raw)

Kaby Lake (and Coffee Lake) has PC8/PC9/PC10 residency counters.

This patch updates the list of PMU event counters that allows
user space tool to profile them through perf interface.

Signed-off-by: Harry Pan <harry.pan@intel.com>
---

 arch/x86/events/intel/cstate.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index d2e780705c5a..56194c571299 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -76,15 +76,15 @@
  *			       Scope: Package (physical package)
  *	MSR_PKG_C8_RESIDENCY:  Package C8 Residency Counter.
  *			       perf code: 0x04
- *			       Available model: HSW ULT,CNL
+ *			       Available model: HSW ULT,KBL,CNL
  *			       Scope: Package (physical package)
  *	MSR_PKG_C9_RESIDENCY:  Package C9 Residency Counter.
  *			       perf code: 0x05
- *			       Available model: HSW ULT,CNL
+ *			       Available model: HSW ULT,KBL,CNL
  *			       Scope: Package (physical package)
  *	MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter.
  *			       perf code: 0x06
- *			       Available model: HSW ULT,GLM,CNL
+ *			       Available model: HSW ULT,KBL,GLM,CNL
  *			       Scope: Package (physical package)
  *
  */
@@ -572,8 +572,8 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
 	X86_CSTATES_MODEL(INTEL_FAM6_SKYLAKE_DESKTOP, snb_cstates),
 	X86_CSTATES_MODEL(INTEL_FAM6_SKYLAKE_X, snb_cstates),
 
-	X86_CSTATES_MODEL(INTEL_FAM6_KABYLAKE_MOBILE,  snb_cstates),
-	X86_CSTATES_MODEL(INTEL_FAM6_KABYLAKE_DESKTOP, snb_cstates),
+	X86_CSTATES_MODEL(INTEL_FAM6_KABYLAKE_MOBILE,  hswult_cstates),
+	X86_CSTATES_MODEL(INTEL_FAM6_KABYLAKE_DESKTOP, hswult_cstates),
 
 	X86_CSTATES_MODEL(INTEL_FAM6_CANNONLAKE_MOBILE, cnl_cstates),
 
-- 
2.20.1


             reply	other threads:[~2019-04-24 15:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-24 14:50 Harry Pan [this message]
2019-04-25  7:04 ` [tip:perf/urgent] perf/x86/intel: Update KBL Package C-state events to also include PC8/PC9/PC10 counters tip-bot for Harry Pan

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