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Diffstat (limited to 'Source/Core/Common/PerformanceCounter.cpp')
| -rw-r--r-- | Source/Core/Common/PerformanceCounter.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Source/Core/Common/PerformanceCounter.cpp b/Source/Core/Common/PerformanceCounter.cpp new file mode 100644 index 0000000000..64a9a0b20a --- /dev/null +++ b/Source/Core/Common/PerformanceCounter.cpp @@ -0,0 +1,48 @@ +// Copyright 2013 Dolphin Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#if !defined(_WIN32) + +#include <cstdint> +#include <ctime> + +#include <unistd.h> + +#include "Common/CommonTypes.h" +#include "Common/PerformanceCounter.h" + +#if defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0 +#if defined(_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK>0 +#define DOLPHIN_CLOCK CLOCK_MONOTONIC +#else +#define DOLPHIN_CLOCK CLOCK_REALTIME +#endif +#endif + +bool QueryPerformanceCounter(u64* out) +{ +#if defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0 + timespec tp; + if (clock_gettime(DOLPHIN_CLOCK, &tp)) + return false; + *out = (u64) tp.tv_nsec + (u64) 1000000000 * (u64) tp.tv_sec; + return true; +#else + *out = 0; + return false; +#endif +} + +bool QueryPerformanceFrequency(u64* out) +{ +#if defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0 + *out = 1000000000; + return true; +#else + *out = 1; + return false; +#endif +} + +#endif |