Commit 90381cba authored by Drew Richardson's avatar Drew Richardson Committed by Will Deacon
Browse files

arm64: perf: Convert event enums to #defines 



The enums are not necessary and this allows the event values to be
used to construct static strings at compile time.

Signed-off-by: default avatarDrew Richardson <drew.richardson@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 3fbac6cc

arch/arm64/kernel/perf_event.c

+45 −50
Original line number Diff line number Diff line
@@ -29,60 +29,55 @@ 
 * ARMv8 PMUv3 Performance Events handling code.

 * Common event types.

 */

enum armv8_pmuv3_perf_types {



/* Required events. */

	ARMV8_PMUV3_PERFCTR_PMNC_SW_INCR			= 0x00,

	ARMV8_PMUV3_PERFCTR_L1_DCACHE_REFILL			= 0x03,

	ARMV8_PMUV3_PERFCTR_L1_DCACHE_ACCESS			= 0x04,

	ARMV8_PMUV3_PERFCTR_PC_BRANCH_MIS_PRED			= 0x10,

	ARMV8_PMUV3_PERFCTR_CLOCK_CYCLES			= 0x11,

	ARMV8_PMUV3_PERFCTR_PC_BRANCH_PRED			= 0x12,

#define ARMV8_PMUV3_PERFCTR_PMNC_SW_INCR			0x00

#define ARMV8_PMUV3_PERFCTR_L1_DCACHE_REFILL			0x03

#define ARMV8_PMUV3_PERFCTR_L1_DCACHE_ACCESS			0x04

#define ARMV8_PMUV3_PERFCTR_PC_BRANCH_MIS_PRED			0x10

#define ARMV8_PMUV3_PERFCTR_CLOCK_CYCLES			0x11

#define ARMV8_PMUV3_PERFCTR_PC_BRANCH_PRED			0x12



/* At least one of the following is required. */

	ARMV8_PMUV3_PERFCTR_INSTR_EXECUTED			= 0x08,

	ARMV8_PMUV3_PERFCTR_OP_SPEC				= 0x1B,

#define ARMV8_PMUV3_PERFCTR_INSTR_EXECUTED			0x08

#define ARMV8_PMUV3_PERFCTR_OP_SPEC				0x1B



/* Common architectural events. */

	ARMV8_PMUV3_PERFCTR_MEM_READ				= 0x06,

	ARMV8_PMUV3_PERFCTR_MEM_WRITE				= 0x07,

	ARMV8_PMUV3_PERFCTR_EXC_TAKEN				= 0x09,

	ARMV8_PMUV3_PERFCTR_EXC_EXECUTED			= 0x0A,

	ARMV8_PMUV3_PERFCTR_CID_WRITE				= 0x0B,

	ARMV8_PMUV3_PERFCTR_PC_WRITE				= 0x0C,

	ARMV8_PMUV3_PERFCTR_PC_IMM_BRANCH			= 0x0D,

	ARMV8_PMUV3_PERFCTR_PC_PROC_RETURN			= 0x0E,

	ARMV8_PMUV3_PERFCTR_MEM_UNALIGNED_ACCESS		= 0x0F,

	ARMV8_PMUV3_PERFCTR_TTBR_WRITE				= 0x1C,

#define ARMV8_PMUV3_PERFCTR_MEM_READ				0x06

#define ARMV8_PMUV3_PERFCTR_MEM_WRITE				0x07

#define ARMV8_PMUV3_PERFCTR_EXC_TAKEN				0x09

#define ARMV8_PMUV3_PERFCTR_EXC_EXECUTED			0x0A

#define ARMV8_PMUV3_PERFCTR_CID_WRITE				0x0B

#define ARMV8_PMUV3_PERFCTR_PC_WRITE				0x0C

#define ARMV8_PMUV3_PERFCTR_PC_IMM_BRANCH			0x0D

#define ARMV8_PMUV3_PERFCTR_PC_PROC_RETURN			0x0E

#define ARMV8_PMUV3_PERFCTR_MEM_UNALIGNED_ACCESS		0x0F

#define ARMV8_PMUV3_PERFCTR_TTBR_WRITE				0x1C



/* Common microarchitectural events. */

	ARMV8_PMUV3_PERFCTR_L1_ICACHE_REFILL			= 0x01,

	ARMV8_PMUV3_PERFCTR_ITLB_REFILL				= 0x02,

	ARMV8_PMUV3_PERFCTR_DTLB_REFILL				= 0x05,

	ARMV8_PMUV3_PERFCTR_MEM_ACCESS				= 0x13,

	ARMV8_PMUV3_PERFCTR_L1_ICACHE_ACCESS			= 0x14,

	ARMV8_PMUV3_PERFCTR_L1_DCACHE_WB			= 0x15,

	ARMV8_PMUV3_PERFCTR_L2_CACHE_ACCESS			= 0x16,

	ARMV8_PMUV3_PERFCTR_L2_CACHE_REFILL			= 0x17,

	ARMV8_PMUV3_PERFCTR_L2_CACHE_WB				= 0x18,

	ARMV8_PMUV3_PERFCTR_BUS_ACCESS				= 0x19,

	ARMV8_PMUV3_PERFCTR_MEM_ERROR				= 0x1A,

	ARMV8_PMUV3_PERFCTR_BUS_CYCLES				= 0x1D,

};

#define ARMV8_PMUV3_PERFCTR_L1_ICACHE_REFILL			0x01

#define ARMV8_PMUV3_PERFCTR_ITLB_REFILL				0x02

#define ARMV8_PMUV3_PERFCTR_DTLB_REFILL				0x05

#define ARMV8_PMUV3_PERFCTR_MEM_ACCESS				0x13

#define ARMV8_PMUV3_PERFCTR_L1_ICACHE_ACCESS			0x14

#define ARMV8_PMUV3_PERFCTR_L1_DCACHE_WB			0x15

#define ARMV8_PMUV3_PERFCTR_L2_CACHE_ACCESS			0x16

#define ARMV8_PMUV3_PERFCTR_L2_CACHE_REFILL			0x17

#define ARMV8_PMUV3_PERFCTR_L2_CACHE_WB				0x18

#define ARMV8_PMUV3_PERFCTR_BUS_ACCESS				0x19

#define ARMV8_PMUV3_PERFCTR_MEM_ERROR				0x1A

#define ARMV8_PMUV3_PERFCTR_BUS_CYCLES				0x1D



/* ARMv8 Cortex-A53 specific event types. */

enum armv8_a53_pmu_perf_types {

	ARMV8_A53_PERFCTR_PREFETCH_LINEFILL			= 0xC2,

};

#define ARMV8_A53_PERFCTR_PREFETCH_LINEFILL			0xC2



/* ARMv8 Cortex-A57 specific event types. */

enum armv8_a57_perf_types {

	ARMV8_A57_PERFCTR_L1_DCACHE_ACCESS_LD			= 0x40,

	ARMV8_A57_PERFCTR_L1_DCACHE_ACCESS_ST			= 0x41,

	ARMV8_A57_PERFCTR_L1_DCACHE_REFILL_LD			= 0x42,

	ARMV8_A57_PERFCTR_L1_DCACHE_REFILL_ST			= 0x43,

	ARMV8_A57_PERFCTR_DTLB_REFILL_LD			= 0x4c,

	ARMV8_A57_PERFCTR_DTLB_REFILL_ST			= 0x4d,

};

#define ARMV8_A57_PERFCTR_L1_DCACHE_ACCESS_LD			0x40

#define ARMV8_A57_PERFCTR_L1_DCACHE_ACCESS_ST			0x41

#define ARMV8_A57_PERFCTR_L1_DCACHE_REFILL_LD			0x42

#define ARMV8_A57_PERFCTR_L1_DCACHE_REFILL_ST			0x43

#define ARMV8_A57_PERFCTR_DTLB_REFILL_LD			0x4c

#define ARMV8_A57_PERFCTR_DTLB_REFILL_ST			0x4d



/* PMUv3 HW events mapping. */

static const unsigned armv8_pmuv3_perf_map[PERF_COUNT_HW_MAX] = {