diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/cpu/mvCpuL2Cntrs.h')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/cpu/mvCpuL2Cntrs.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/cpu/mvCpuL2Cntrs.h b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/cpu/mvCpuL2Cntrs.h new file mode 100644 index 000000000..570d70195 --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/cpu/mvCpuL2Cntrs.h @@ -0,0 +1,151 @@ +/******************************************************************************* +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__ */ + |