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#ifndef __mvCpuL2Cntrs_h__
#define __mvCpuL2Cntrs_h__
#include "mvTypes.h"
#include "mvOs.h"
#define MV_CPU_L2_CNTRS_NUM 2
typedef enum {
MV_CPU_L2_CNTRS_ENABLE = 0,
MV_CPU_L2_CNTRS_DATA_REQ,
MV_CPU_L2_CNTRS_DATA_MISS_REQ,
MV_CPU_L2_CNTRS_INST_REQ,
MV_CPU_L2_CNTRS_INST_MISS_REQ,
MV_CPU_L2_CNTRS_DATA_READ_REQ,
MV_CPU_L2_CNTRS_DATA_READ_MISS_REQ,
MV_CPU_L2_CNTRS_DATA_WRITE_REQ,
MV_CPU_L2_CNTRS_DATA_WRITE_MISS_REQ,
MV_CPU_L2_CNTRS_RESERVED,
MV_CPU_L2_CNTRS_DIRTY_EVICT_REQ,
MV_CPU_L2_CNTRS_EVICT_BUFF_STALL,
MV_CPU_L2_CNTRS_ACTIVE_CYCLES,
} MV_CPU_L2_CNTRS_OPS;
typedef struct {
char name[16];
MV_CPU_L2_CNTRS_OPS operation;
int opIdx;
MV_U32 overhead;
} MV_CPU_L2_CNTRS_ENTRY;
typedef struct {
char name[16];
MV_U32 num_of_measurements;
MV_U32 avg_sample_count;
MV_U64 counters_before[MV_CPU_L2_CNTRS_NUM];
MV_U64 counters_after[MV_CPU_L2_CNTRS_NUM];
MV_U64 counters_sum[MV_CPU_L2_CNTRS_NUM];
} MV_CPU_L2_CNTRS_EVENT;
MV_STATUS mvCpuL2CntrsProgram(int counter, MV_CPU_L2_CNTRS_OPS op, char *name, MV_U32 overhead);
void mvCpuL2CntrsInit(void);
MV_CPU_L2_CNTRS_EVENT *mvCpuL2CntrsEventCreate(char *name, MV_U32 print_threshold);
void mvCpuL2CntrsEventDelete(MV_CPU_L2_CNTRS_EVENT *event);
void mvCpuL2CntrsReset(void);
void mvCpuL2CntrsShow(MV_CPU_L2_CNTRS_EVENT *pEvent);
void mvCpuL2CntrsEventClear(MV_CPU_L2_CNTRS_EVENT *pEvent);
static INLINE MV_U64 mvCpuL2CntrsRead(const int counter)
{
MV_U32 low = 0, high = 0;
switch (counter) {
case 0:
MV_ASM("mrc p15, 6, %0, c15, c13, 0" : "=r"(low));
MV_ASM("mrc p15, 6, %0, c15, c13, 1" : "=r"(high));
break;
case 1:
MV_ASM("mrc p15, 6, %0, c15, c13, 2" : "=r"(low));
MV_ASM("mrc p15, 6, %0, c15, c13, 3" : "=r"(high));
break;
default:
mvOsPrintf("mvCpuL2CntrsRead: bad counter number (%d)\n", counter);
}
return (((MV_U64) high << 32) | low);
}
static INLINE void mvCpuL2CntrsReadBefore(MV_CPU_L2_CNTRS_EVENT *pEvent)
{
int i;
for (i = 0; i < MV_CPU_L2_CNTRS_NUM; i++)
pEvent->counters_before[i] = mvCpuL2CntrsRead(i);
}
static INLINE void mvCpuL2CntrsReadAfter(MV_CPU_L2_CNTRS_EVENT *pEvent)
{
int i;
for (i = 0; i < MV_CPU_L2_CNTRS_NUM; i++) {
pEvent->counters_after[i] = mvCpuL2CntrsRead(i);
pEvent->counters_sum[i] += (pEvent->counters_after[i] - pEvent->counters_before[i]);
}
pEvent->num_of_measurements++;
}
#ifdef CONFIG_MV_CPU_L2_PERF_CNTRS
#define MV_CPU_L2_CNTRS_READ(counter) mvCpuL2CntrsRead(counter)
#define MV_CPU_L2_CNTRS_START(event) mvCpuL2CntrsReadBefore(event)
#define MV_CPU_L2_CNTRS_STOP(event) mvCpuL2CntrsReadAfter(event)
#define MV_CPU_L2_CNTRS_SHOW(event) mvCpuL2CntrsShow(event)
#else
#define MV_CPU_L2_CNTRS_READ(counter)
#define MV_CPU_L2_CNTRS_START(event)
#define MV_CPU_L2_CNTRS_STOP(event)
#define MV_CPU_L2_CNTRS_SHOW(event)
#endif /* CONFIG_MV_CPU_L2_PERF_CNTRS */
#endif /* __mvCpuL2Cntrs_h__ */