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Implement perf stat counter for PPU/SPU reservation ops

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Adds Emu/perf_meter.hpp header file.
Uses RDTSC for speed.
Prints stats at exit.
This commit is contained in:
Nekotekina 2020-10-18 15:00:10 +03:00
parent adf50b7c4b
commit 120849c734
10 changed files with 281 additions and 8 deletions
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58
rpcs3/Emu/perf_meter.cpp Normal file
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@ -0,0 +1,58 @@
#include "stdafx.h"
#include "perf_meter.hpp"
void perf_stat_base::push(u64 ns[66]) noexcept
{
for (u32 i = 0; i < 66; i++)
{
m_log[i] += ns[i];
}
}
void perf_stat_base::print(const char* name) noexcept
{
if (u64 num_total = m_log[0].load())
{
perf_log.notice("Perf stats for %s: total events: %u (total time %.4fs)", name, num_total, m_log[65].load() / 1000'000'000.);
for (u32 i = 0; i < 13; i++)
{
if (u64 count = m_log[i + 1].load())
{
perf_log.notice("Perf stats for %s: events < %.3fµs: %u", name, std::pow(2., i) / 1000., count);
}
}
for (u32 i = 14; i < 23; i++)
{
if (u64 count = m_log[i + 1].load()) [[unlikely]]
{
perf_log.notice("Perf stats for %s: events < %.3fms: %u", name, std::pow(2., i) / 1000'000., count);
}
}
for (u32 i = 24; i < 33; i++)
{
if (u64 count = m_log[i + 1].load()) [[unlikely]]
{
perf_log.notice("Perf stats for %s: events < %.3fs: %u", name, std::pow(2., i) / 1000'000'000., count);
}
}
for (u32 i = 34; i < 43; i++)
{
if (u64 count = m_log[i + 1].load()) [[unlikely]]
{
perf_log.notice("Perf stats for %s: events < %.0f SEC: %u", name, std::pow(2., i) / 1000'000'000., count);
}
}
for (u32 i = 44; i < 63; i++)
{
if (u64 count = m_log[i + 1].load()) [[unlikely]]
{
perf_log.notice("Perf stats for %s: events < %.0f MIN: %u", name, std::pow(2., i) / 60'000'000'000., count);
}
}
}
}