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fixed instr/cycle perf counter

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This commit is contained in:
Blaise Tine
2020-11-12 11:41:25 -08:00
parent fceb561cbd
commit 2e0f51af80
8 changed files with 81 additions and 80 deletions
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16
driver/common/vx_utils.cpp
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@@ -91,17 +91,10 @@ extern int vx_upload_kernel_file(vx_device_h device, const char* filename) {
return err;
}
extern int vx_get_perf(vx_device_h device, int core_id, size_t* cycles, size_t* instrs) {
extern int vx_get_perf(vx_device_h device, int core_id, size_t* instrs, size_t* cycles) {
int ret = 0;
unsigned value;
if (cycles) {
ret |= vx_csr_get(device, core_id, CSR_CYCLE_H, &value);
*cycles = value;
ret |= vx_csr_get(device, core_id, CSR_CYCLE, &value);
*cycles = (*cycles << 32) | value;
}
if (instrs) {
ret |= vx_csr_get(device, core_id, CSR_INSTRET_H, &value);
@@ -110,5 +103,12 @@ extern int vx_get_perf(vx_device_h device, int core_id, size_t* cycles, size_t*
*instrs = (*instrs << 32) | value;
}
if (cycles) {
ret |= vx_csr_get(device, core_id, CSR_CYCLE_H, &value);
*cycles = value;
ret |= vx_csr_get(device, core_id, CSR_CYCLE, &value);
*cycles = (*cycles << 32) | value;
}
return ret;
}

2
driver/include/vortex.h
View File

@@ -72,7 +72,7 @@ int vx_upload_kernel_bytes(vx_device_h device, const void* content, size_t size)
int vx_upload_kernel_file(vx_device_h device, const char* filename);
// get performance counters
int vx_get_perf(vx_device_h device, int core_id, size_t* cycles, size_t* instrs);
int vx_get_perf(vx_device_h device, int core_id, size_t* instrs, size_t* cycles);
#ifdef __cplusplus
}