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From: Dapeng Mi <dapeng1.mi@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	Eranian Stephane <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	Dapeng Mi <dapeng1.mi@intel.com>, Zide Chen <zide.chen@intel.com>,
	Falcon Thomas <thomas.falcon@intel.com>,
	Xudong Hao <xudong.hao@intel.com>,
	Dapeng Mi <dapeng1.mi@linux.intel.com>
Subject: [PATCH 03/11] perf/x86/intel: Update event constraints for DMR
Date: Fri, 15 May 2026 14:11:35 +0800	[thread overview]
Message-ID: <20260515061143.338553-4-dapeng1.mi@linux.intel.com> (raw)
In-Reply-To: <20260515061143.338553-1-dapeng1.mi@linux.intel.com>

Add missed event constraint for 0x0200 event and add comments to show
the event names in pnc_hw_cache_extra_regs[].

Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
---
 arch/x86/events/intel/core.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index b3ccc785a4f6..0d0edc2d1b90 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -466,11 +466,12 @@ static struct extra_reg intel_lnc_extra_regs[] __read_mostly = {
 
 static struct event_constraint intel_pnc_event_constraints[] = {
 	FIXED_EVENT_CONSTRAINT(0x00c0, 0),	/* INST_RETIRED.ANY */
-	FIXED_EVENT_CONSTRAINT(0x0100, 0),	/* INST_RETIRED.PREC_DIST */
+	FIXED_EVENT_CONSTRAINT(0x0100, 0),	/* pseudo INST_RETIRED.ANY */
 	FIXED_EVENT_CONSTRAINT(0x003c, 1),	/* CPU_CLK_UNHALTED.CORE */
-	FIXED_EVENT_CONSTRAINT(0x0300, 2),	/* CPU_CLK_UNHALTED.REF */
+	FIXED_EVENT_CONSTRAINT(0x0200, 1),      /* pseudo CPU_CLK_UNHALTED.THREAD */
+	FIXED_EVENT_CONSTRAINT(0x0300, 2),	/* pseudo CPU_CLK_UNHALTED.REF_TSC */
 	FIXED_EVENT_CONSTRAINT(0x013c, 2),	/* CPU_CLK_UNHALTED.REF_TSC_P */
-	FIXED_EVENT_CONSTRAINT(0x0400, 3),	/* SLOTS */
+	FIXED_EVENT_CONSTRAINT(0x0400, 3),	/* pseudo TOPDOWN.SLOTS */
 	METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_RETIRING, 0),
 	METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_BAD_SPEC, 1),
 	METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_FE_BOUND, 2),
@@ -821,12 +822,12 @@ static __initconst const u64 pnc_hw_cache_extra_regs
 {
  [ C(LL  ) ] = {
 	[ C(OP_READ) ] = {
-		[ C(RESULT_ACCESS) ] = 0x4000000000000001,
-		[ C(RESULT_MISS)   ] = 0xFFFFF000000001,
+		[ C(RESULT_ACCESS) ] = 0x4000000000000001,	/* OMR.DEMAND_DATA_RD.ANY_RESPONSE */
+		[ C(RESULT_MISS)   ] = 0xFFFFF000000001,	/* OMR.DEMAND_DATA_RD.L3_MISS */
 	},
 	[ C(OP_WRITE) ] = {
-		[ C(RESULT_ACCESS) ] = 0x4000000000000002,
-		[ C(RESULT_MISS)   ] = 0xFFFFF000000002,
+		[ C(RESULT_ACCESS) ] = 0x4000000000000002, 	/* OMR.DEMAND_RFO.ANY_RESPONSE */
+		[ C(RESULT_MISS)   ] = 0xFFFFF000000002,	/* OMR.DEMAND_RFO.L3_MISS */
 	},
  },
 };
-- 
2.34.1


  parent reply	other threads:[~2026-05-15  6:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-15  6:11 [PATCH 00/11] perf/x86/intel: Fix inaccurate hard-coded event configurations Dapeng Mi
2026-05-15  6:11 ` [PATCH 01/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for ICX Dapeng Mi
2026-05-15  6:11 ` [PATCH 02/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for SPR Dapeng Mi
2026-05-15  6:11 ` Dapeng Mi [this message]
2026-05-15  6:11 ` [PATCH 04/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for ADL Dapeng Mi
2026-05-15  6:38   ` sashiko-bot
2026-05-15  6:11 ` [PATCH 05/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for MTL Dapeng Mi
2026-05-15  6:11 ` [PATCH 06/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for LNL Dapeng Mi
2026-05-15  6:11 ` [PATCH 07/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for ARL Dapeng Mi
2026-05-15  6:40   ` sashiko-bot
2026-05-15  6:11 ` [PATCH 08/11] perf/x86/intel: Update event constraints for PTL Dapeng Mi
2026-05-15  6:11 ` [PATCH 09/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for NVL Dapeng Mi
2026-05-15  6:11 ` [PATCH 10/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for SRF Dapeng Mi
2026-05-15  6:11 ` [PATCH 11/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for CWF Dapeng Mi

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