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Use clock monotonic raw on Linux.

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Because Linux kernel interfaces are fucking stupid.
This commit is contained in:
Bartosz Taudul
2020-08-12 16:48:36 +02:00
parent d48b3187b1
commit 649994706b
3 changed files with 11 additions and 27 deletions
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client/TracyProfiler.hpp
+11 -10
View File
@@ -5,6 +5,7 @@
#include <atomic>
#include <stdint.h>
#include <string.h>
#include <time.h>
#include "tracy_concurrentqueue.h"
#include "TracyCallstack.hpp"
@@ -24,11 +25,11 @@
# include <mach/mach_time.h>
#endif
#if defined _WIN32 || defined __CYGWIN__ || ( ( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 ) && !defined __ANDROID__ ) || __ARM_ARCH >= 6
#if defined _WIN32 || defined __CYGWIN__ || ( ( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 ) && !defined __linux__ ) || ( defined TARGET_OS_IOS && TARGET_OS_IOS == 1 )
# define TRACY_HW_TIMER
#endif
#if !defined TRACY_HW_TIMER || ( defined __ARM_ARCH && __ARM_ARCH >= 6 && !defined CLOCK_MONOTONIC_RAW )
#if !defined TRACY_HW_TIMER
#include <chrono>
#endif
@@ -130,14 +131,6 @@ public:
#ifdef TRACY_HW_TIMER
# if defined TARGET_OS_IOS && TARGET_OS_IOS == 1
return mach_absolute_time();
# elif defined __ARM_ARCH && __ARM_ARCH >= 6
# ifdef CLOCK_MONOTONIC_RAW
struct timespec ts;
clock_gettime( CLOCK_MONOTONIC_RAW, &ts );
return int64_t( ts.tv_sec ) * 1000000000ll + int64_t( ts.tv_nsec );
# else
return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
# endif
# elif defined _WIN32 || defined __CYGWIN__
# ifdef TRACY_TIMER_QPC
return GetTimeQpc();
@@ -152,9 +145,17 @@ public:
uint64_t rax, rdx;
asm volatile ( "rdtsc" : "=a" (rax), "=d" (rdx) );
return ( rdx << 32 ) + rax;
# else
# error "TRACY_HW_TIMER detection logic needs fixing"
# endif
#else
# if defined __linux__ && defined CLOCK_MONOTONIC_RAW
struct timespec ts;
clock_gettime( CLOCK_MONOTONIC_RAW, &ts );
return int64_t( ts.tv_sec ) * 1000000000ll + int64_t( ts.tv_nsec );
# else
return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
# endif
#endif
}