11#ifndef INCLUDED_GNURADIO_HIGH_RES_TIMER_H
12#define INCLUDED_GNURADIO_HIGH_RES_TIMER_H
17#if defined(linux) || defined(__linux) || defined(__linux__)
18#define GNURADIO_HRT_USE_CLOCK_GETTIME
20#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
22#define GNURADIO_HRT_USE_QUERY_PERFORMANCE_COUNTER
23#elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
24#include <mach/mach_time.h>
25#define GNURADIO_HRT_USE_MACH_ABSOLUTE_TIME
26#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
27#define GNURADIO_HRT_USE_CLOCK_GETTIME
31#define GNURADIO_HRT_USE_GENERIC_CLOCK
55#ifdef GNURADIO_HRT_USE_CLOCK_GETTIME
63#ifdef GNURADIO_HRT_USE_CLOCK_GETTIME
67 clock_gettime(CLOCK_MONOTONIC, &ts);
68 return ts.tv_sec * high_res_timer_tps() + ts.tv_nsec;
74 clock_gettime(high_res_timer_source, &ts);
82#ifdef GNURADIO_HRT_USE_MACH_ABSOLUTE_TIME
86 return mach_absolute_time();
96 mach_timebase_info_data_t info;
97 mach_timebase_info(&info);
103#ifdef GNURADIO_HRT_USE_QUERY_PERFORMANCE_COUNTER
107 LARGE_INTEGER counts;
108 QueryPerformanceCounter(&counts);
109 return counts.QuadPart;
120 QueryPerformanceFrequency(&freq);
121 return freq.QuadPart;
126#ifdef GNURADIO_HRT_USE_GENERIC_CLOCK
129 return std::chrono::duration<gr::high_res_timer_type, std::nano>(
130 std::chrono::steady_clock::now().time_since_epoch())
146 const double seconds_since_epoch =
147 std::chrono::duration<double>(std::chrono::system_clock::now().time_since_epoch())
#define GR_RUNTIME_API
Definition gnuradio-runtime/include/gnuradio/api.h:18
GNU Radio logging wrapper.
Definition basic_block.h:29
high_res_timer_type high_res_timer_now(void)
Get the current time in ticks.
Definition high_res_timer.h:127
high_res_timer_type high_res_timer_tps(void)
Get the number of ticks per second.
Definition high_res_timer.h:139
high_res_timer_type high_res_timer_now_perfmon(void)
Get the current time in ticks - for performance monitoring.
Definition high_res_timer.h:134
high_res_timer_type high_res_timer_epoch(void)
Get the tick count at the epoch.
Definition high_res_timer.h:143
signed long long high_res_timer_type
Typedef for the timer tick count.
Definition high_res_timer.h:41