public void Initialize()
{
cpu.EnablePerformanceCounters();
for (int threadIdx = 0; threadIdx < cpu.GetThreadCount(); threadIdx++)
{
ThreadAffinity.Set(1UL << threadIdx);
// PERF_CTR0 = active cycles
Ring0.WriteMsr(MSR_PERF_CTL_0, GetPerfCtlValue(0x76, 0, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR1 = retired instructions
Ring0.WriteMsr(MSR_PERF_CTL_1, GetPerfCtlValue(0xC0, 0, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR2 to count retired branches
Ring0.WriteMsr(MSR_PERF_CTL_2, GetPerfCtlValue(0xC2, 0, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR3 = mispredicted retired branches
Ring0.WriteMsr(MSR_PERF_CTL_3, GetPerfCtlValue(0xC3, 0, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR4 = L1 BTB Overrides
Ring0.WriteMsr(MSR_PERF_CTL_4, GetPerfCtlValue(0x8A, 0, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR5 = L2 BTB overrides
Ring0.WriteMsr(MSR_PERF_CTL_5, GetPerfCtlValue(0x8B, 0, true, true, false, false, true, false, 0, 0, false, false));
}
}
public void Initialize()
{
cpu.EnablePerformanceCounters();
for (int threadIdx = 0; threadIdx < cpu.GetThreadCount(); threadIdx++)
{
ThreadAffinity.Set(1UL << threadIdx);
// PERF_CTR2 = active cycles
Ring0.WriteMsr(MSR_PERF_CTL_0, GetPerfCtlValue(0x76, 0, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR3 = ret instr
Ring0.WriteMsr(MSR_PERF_CTL_1, GetPerfCtlValue(0xC0, 0, true, true, false, false, true, false, 0, 0, false, false));
// Set PERF_CTR2 to count DC reflls from L2
Ring0.WriteMsr(MSR_PERF_CTL_2, GetPerfCtlValue(0x43, 1, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR3 = DC refills from another cache (L3)
Ring0.WriteMsr(MSR_PERF_CTL_3, GetPerfCtlValue(0x43, 2, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR4 = DC refills from local dram
Ring0.WriteMsr(MSR_PERF_CTL_4, GetPerfCtlValue(0x43, 8, true, true, false, false, true, false, 0, 0, false, false));
// PERF_CTR5 = remote refills
Ring0.WriteMsr(MSR_PERF_CTL_5, GetPerfCtlValue(0x43, 0x50, true, true, false, false, true, false, 0, 0, false, false));
}
}
