From 641e820257d19a341e6fe0b5623d70a7893b07e5 Mon Sep 17 00:00:00 2001 From: Gabriel Corona Date: Sat, 18 Oct 2014 02:50:02 +0200 Subject: Profiling: measure time on POSIX systems using clock_gettime --- Source/Core/Common/PerformanceCounter.cpp | 48 +++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Source/Core/Common/PerformanceCounter.cpp (limited to 'Source/Core/Common/PerformanceCounter.cpp') 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 +#include + +#include + +#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 -- cgit v1.2.3 From cefcb0ace9d363b3679b4e93bcc9ec05f1e5f4f8 Mon Sep 17 00:00:00 2001 From: Tillmann Karras Date: Mon, 18 May 2015 01:08:10 +0200 Subject: Update license headers to GPLv2+ --- Source/Core/Common/PerformanceCounter.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Source/Core/Common/PerformanceCounter.cpp') diff --git a/Source/Core/Common/PerformanceCounter.cpp b/Source/Core/Common/PerformanceCounter.cpp index 64a9a0b20a..b6ce989564 100644 --- a/Source/Core/Common/PerformanceCounter.cpp +++ b/Source/Core/Common/PerformanceCounter.cpp @@ -1,5 +1,5 @@ // Copyright 2013 Dolphin Emulator Project -// Licensed under GPLv2 +// Licensed under GPLv2+ // Refer to the license.txt file included. #if !defined(_WIN32) -- cgit v1.2.3 From 30ebb2459eb97ba544547183854775df8460b475 Mon Sep 17 00:00:00 2001 From: Tillmann Karras Date: Sun, 24 May 2015 06:55:12 +0200 Subject: Set copyright year to when a file was created --- Source/Core/Common/PerformanceCounter.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Source/Core/Common/PerformanceCounter.cpp') diff --git a/Source/Core/Common/PerformanceCounter.cpp b/Source/Core/Common/PerformanceCounter.cpp index b6ce989564..a1b8c64e8c 100644 --- a/Source/Core/Common/PerformanceCounter.cpp +++ b/Source/Core/Common/PerformanceCounter.cpp @@ -1,4 +1,4 @@ -// Copyright 2013 Dolphin Emulator Project +// Copyright 2014 Dolphin Emulator Project // Licensed under GPLv2+ // Refer to the license.txt file included. -- cgit v1.2.3