linux-kernel - [PATCH v4 06/11] drivers/perf: apple_m1: Support per-implementation event attr group

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Message-Id: <20250214-apple-cpmu-v4-6-ffca0e45147e@gmail.com>
Date: Fri, 14 Feb 2025 22:28:32 +0800
From: Nick Chan <towinchenmi@...il.com>
To: Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Catalin Marinas <catalin.marinas@....com>
Cc: Marc Zyngier <maz@...nel.org>, linux-arm-kernel@...ts.infradead.org, 
 linux-perf-users@...r.kernel.org, devicetree@...r.kernel.org, 
 asahi@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 Nick Chan <towinchenmi@...il.com>
Subject: [PATCH v4 06/11] drivers/perf: apple_m1: Support
 per-implementation event attr group

To support implementations with different event numbers for cycles or
instruction events, event attr groups needs to be per-implementation.

Signed-off-by: Nick Chan <towinchenmi@...il.com>
---
 drivers/perf/apple_m1_cpu_pmu.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c
index b601d585d204f9e59ad7f5216679b97852a46a04..f98f3e95bfdbb5e9d0fe66357f6037f056fbf25c 100644
--- a/drivers/perf/apple_m1_cpu_pmu.c
+++ b/drivers/perf/apple_m1_cpu_pmu.c
@@ -612,7 +612,6 @@ static int apple_pmu_init(struct arm_pmu *cpu_pmu, u32 counters)
 	cpu_pmu->set_event_filter = m1_pmu_set_event_filter;
 
 	bitmap_set(cpu_pmu->cntr_mask, 0, counters);
-	cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] = &m1_pmu_events_attr_group;
 	cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] = &m1_pmu_format_attr_group;
 	return 0;
 }
@@ -625,6 +624,7 @@ static int m1_pmu_ice_init(struct arm_pmu *cpu_pmu)
 	cpu_pmu->map_event	  = m1_pmu_map_event;
 	cpu_pmu->reset		  = m1_pmu_reset;
 	cpu_pmu->start		  = m1_pmu_start;
+	cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] = &m1_pmu_events_attr_group;
 	return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS);
 }
 
@@ -635,6 +635,7 @@ static int m1_pmu_fire_init(struct arm_pmu *cpu_pmu)
 	cpu_pmu->map_event	  = m1_pmu_map_event;
 	cpu_pmu->reset		  = m1_pmu_reset;
 	cpu_pmu->start		  = m1_pmu_start;
+	cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] = &m1_pmu_events_attr_group;
 	return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS);
 }
 
@@ -645,6 +646,7 @@ static int m2_pmu_avalanche_init(struct arm_pmu *cpu_pmu)
 	cpu_pmu->map_event	  = m2_pmu_map_event;
 	cpu_pmu->reset		  = m1_pmu_reset;
 	cpu_pmu->start		  = m1_pmu_start;
+	cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] = &m1_pmu_events_attr_group;
 	return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS);
 }
 
@@ -655,6 +657,7 @@ static int m2_pmu_blizzard_init(struct arm_pmu *cpu_pmu)
 	cpu_pmu->map_event	  = m2_pmu_map_event;
 	cpu_pmu->reset		  = m1_pmu_reset;
 	cpu_pmu->start		  = m1_pmu_start;
+	cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] = &m1_pmu_events_attr_group;
 	return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS);
 }
 

-- 
2.48.1