152 lines
4.7 KiB
C
152 lines
4.7 KiB
C
/*******************************************************************************
|
|
Copyright (C) Marvell International Ltd. and its affiliates
|
|
|
|
This software file (the "File") is owned and distributed by Marvell
|
|
International Ltd. and/or its affiliates ("Marvell") under the following
|
|
alternative licensing terms. Once you have made an election to distribute the
|
|
File under one of the following license alternatives, please (i) delete this
|
|
introductory statement regarding license alternatives, (ii) delete the two
|
|
license alternatives that you have not elected to use and (iii) preserve the
|
|
Marvell copyright notice above.
|
|
|
|
|
|
********************************************************************************
|
|
Marvell GPL License Option
|
|
|
|
If you received this File from Marvell, you may opt to use, redistribute and/or
|
|
modify this File in accordance with the terms and conditions of the General
|
|
Public License Version 2, June 1991 (the "GPL License"), a copy of which is
|
|
available along with the File in the license.txt file or by writing to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
|
|
on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
|
|
|
|
THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
|
|
DISCLAIMED. The GPL License provides additional details about this warranty
|
|
disclaimer.
|
|
*******************************************************************************/
|
|
#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__ */
|
|
|