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JIT: Don't always look up symbols for blocks

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With tons of symbols, this results in noticeable stuttering, so
skip lookups if the perf dir option isn't set anyway.
This commit is contained in:
Léo Lam
2017-08-25 20:59:31 +02:00
parent 432117047b
commit 8cd8e9d905
3 changed files with 19 additions and 1 deletions
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11
Source/Core/Common/JitRegister.cpp
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@ -37,10 +37,13 @@ static File::IOFile s_perf_map_file;
namespace JitRegister
{
static bool s_is_enabled = false;
void Init(const std::string& perf_dir)
{
#if defined USE_OPROFILE && USE_OPROFILE
s_agent = op_open_agent();
s_is_enabled = true;
#endif
if (!perf_dir.empty() || getenv("PERF_BUILDID_DIR"))
@ -51,6 +54,7 @@ void Init(const std::string& perf_dir)
// Disable buffering in order to avoid missing some mappings
// if the event of a crash:
std::setvbuf(s_perf_map_file.GetHandle(), nullptr, _IONBF, 0);
s_is_enabled = true;
}
}
@ -67,6 +71,13 @@ void Shutdown()
if (s_perf_map_file.IsOpen())
s_perf_map_file.Close();
s_is_enabled = false;
}
bool IsEnabled()
{
return s_is_enabled;
}
void RegisterV(const void* base_address, u32 code_size, const char* format, va_list args)