2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 #include "mvCpuL2Cntrs.h"
22 MV_CPU_L2_CNTRS_ENTRY mvCpuL2CntrsTbl
[MV_CPU_L2_CNTRS_NUM
];
24 MV_CPU_L2_CNTRS_EVENT
* mvCpuL2CntrsEventTbl
[128];
26 void mvCpuL2CntrsReset(void)
30 MV_ASM ("mcr p15, 6, %0, c15, c13, 0" : : "r" (reg
));
31 MV_ASM ("mcr p15, 6, %0, c15, c13, 1" : : "r" (reg
));
32 MV_ASM ("mcr p15, 6, %0, c15, c13, 2" : : "r" (reg
));
33 MV_ASM ("mcr p15, 6, %0, c15, c13, 3" : : "r" (reg
));
36 static void mvCpuL2CntrConfig(int counter
, int op
)
38 MV_U32 reg
= (1 << op
) | 0x1; /*enable*/
43 MV_ASM ("mcr p15, 6, %0, c15, c12, 0" : : "r" (reg
));
47 MV_ASM ("mcr p15, 6, %0, c15, c12, 1" : : "r" (reg
));
51 mvOsPrintf("mvCpuL2CntrConfig: bad counter number (%d)\n", counter
);
56 void mvCpuL2CntrsEventClear(MV_CPU_L2_CNTRS_EVENT
* pEvent
)
60 for(i
=0; i
<MV_CPU_L2_CNTRS_NUM
; i
++)
62 pEvent
->counters_sum
[i
] = 0;
64 pEvent
->num_of_measurements
= 0;
68 MV_CPU_L2_CNTRS_EVENT
* mvCpuL2CntrsEventCreate(char* name
, MV_U32 print_threshold
)
71 MV_CPU_L2_CNTRS_EVENT
* event
= mvOsMalloc(sizeof(MV_CPU_L2_CNTRS_EVENT
));
75 strncpy(event
->name
, name
, sizeof(event
->name
));
76 event
->num_of_measurements
= 0;
77 event
->avg_sample_count
= print_threshold
;
78 for(i
=0; i
<MV_CPU_L2_CNTRS_NUM
; i
++)
80 event
->counters_before
[i
] = 0;
81 event
->counters_after
[i
] = 0;
82 event
->counters_sum
[i
] = 0;
88 void mvCpuL2CntrsEventDelete(MV_CPU_L2_CNTRS_EVENT
* event
)
95 MV_STATUS
mvCpuL2CntrsProgram(int counter
, MV_CPU_L2_CNTRS_OPS op
,
96 char* name
, MV_U32 overhead
)
98 strncpy(mvCpuL2CntrsTbl
[counter
].name
, name
, sizeof(mvCpuL2CntrsTbl
[counter
].name
));
99 mvCpuL2CntrsTbl
[counter
].operation
= op
;
100 mvCpuL2CntrsTbl
[counter
].opIdx
= op
;
101 mvCpuL2CntrsTbl
[counter
].overhead
= overhead
;
102 mvCpuL2CntrConfig(counter
, op
);
103 mvOsPrintf("CPU L2 Counter %d: operation=%d, overhead=%d\n",
104 counter
, op
, overhead
);
108 void mvCpuL2CntrsShow(MV_CPU_L2_CNTRS_EVENT
* pEvent
)
113 if(pEvent
->num_of_measurements
< pEvent
->avg_sample_count
)
116 mvOsPrintf("%16s: ", pEvent
->name
);
117 for(i
=0; i
<MV_CPU_L2_CNTRS_NUM
; i
++)
119 counters_avg
= mvOsDivMod64(pEvent
->counters_sum
[i
],
120 pEvent
->num_of_measurements
, NULL
);
122 if(counters_avg
>= mvCpuL2CntrsTbl
[i
].overhead
)
123 counters_avg
-= mvCpuL2CntrsTbl
[i
].overhead
;
127 mvOsPrintf("%s=%5llu, ", mvCpuL2CntrsTbl
[i
].name
, counters_avg
);
130 mvCpuL2CntrsEventClear(pEvent
);
134 void mvCpuL2CntrsStatus(void)
138 for(i
=0; i
<MV_CPU_L2_CNTRS_NUM
; i
++)
140 mvOsPrintf("#%d: %s, overhead=%d\n",
141 i
, mvCpuL2CntrsTbl
[i
].name
, mvCpuL2CntrsTbl
[i
].overhead
);