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amdgpu: Report GPU perf counter in GPU cycles. (#3557)

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This commit is contained in:
squidbus
2025-09-08 19:17:35 -07:00
committed by GitHub
parent b5e2503418
commit e38876b5b2
1 changed files with 15 additions and 3 deletions
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18
src/video_core/amdgpu/pm4_cmds.h
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@@ -5,8 +5,10 @@
#include <cstring>
#include "common/bit_field.h"
#include "common/rdtsc.h"
#include "common/types.h"
#include "common/uint128.h"
#include "core/libraries/gnmdriver/gnmdriver.h"
#include "core/libraries/kernel/time.h"
#include "core/platform.h"
#include "video_core/amdgpu/pm4_opcodes.h"
@@ -343,6 +345,16 @@ static u64 GetGpuClock64() {
return static_cast<u64>(ticks);
}
static u64 GetGpuPerfCounter() {
const auto cpu_freq = Libraries::Kernel::sceKernelGetTscFrequency();
const auto gpu_freq = Libraries::GnmDriver::sceGnmGetGpuCoreClockFrequency();
const auto cpu_cycles = Libraries::Kernel::sceKernelReadTsc();
const auto gpu_cycles = Common::MultiplyAndDivide64(cpu_cycles, gpu_freq, cpu_freq);
return gpu_cycles;
}
// VGT_EVENT_INITIATOR.EVENT_TYPE
enum class EventType : u32 {
SampleStreamoutStats1 = 1,
@@ -473,7 +485,7 @@ struct PM4CmdEventWriteEop {
break;
}
case DataSelect::PerfCounter: {
write_mem(address, Common::FencedRDTSC(), sizeof(u64));
write_mem(address, GetGpuPerfCounter(), sizeof(u64));
break;
}
default: {
@@ -937,7 +949,7 @@ struct PM4CmdReleaseMem {
break;
}
case DataSelect::PerfCounter: {
*Address<u64>() = Common::FencedRDTSC();
*Address<u64>() = GetGpuPerfCounter();
break;
}
default: {