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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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7
rpcs3/Emu/Cell/PPUThread.cpp
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@ -3,6 +3,7 @@
#include "Utilities/sysinfo.h"
#include "Utilities/JIT.h"
#include "Crypto/sha1.h"
#include "Emu/perf_meter.hpp"
#include "Emu/Memory/vm_reservation.h"
#include "Emu/RSX/RSXThread.h"
#include "Emu/VFS.h"
@ -1282,9 +1283,9 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
std::memcpy(&rdata, &ppu.rdata[addr & 0x78], 8);
}
if (count >= 15) [[unlikely]]
if (count >= 15 && g_cfg.core.perf_report) [[unlikely]]
{
ppu_log.warning("%s took too long: %u", sizeof(T) == 4 ? "LWARX" : "LDARX", count);
perf_log.warning("%s: took too long: %u", sizeof(T) == 4 ? "LWARX" : "LDARX", count);
}
ppu.rtime &= ~vm::rsrv_shared_mask;
@ -1553,6 +1554,8 @@ const auto ppu_stcx_accurate_tx = build_function_asm<u32(*)(u32 raddr, u64 rtime
template <typename T>
static bool ppu_store_reservation(ppu_thread& ppu, u32 addr, u64 reg_value)
{
perf_meter<"STCX"_u32> perf0;
if (addr % sizeof(T))
{
fmt::throw_exception("PPU %s: Unaligned address: 0x%08x" HERE, sizeof(T) == 4 ? "STWCX" : "STDCX", addr);