59 lines
1.0 KiB
C
59 lines
1.0 KiB
C
#ifndef TIMER_H
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#define TIMER_H
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#include "aliases.h"
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#ifndef MAX_PROFILE_SAMPLES
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#define MAX_PROFILE_SAMPLES 1024
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#endif // !MAX_PROFILE_SAMPLES
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#ifdef ENABLE_PROFILING
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#define PROFILE_START(COUNT) profile_start(COUNT)
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#define PROFILE_END profile_end()
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#define SAMPLE_START(ID, TITLE) sample_start(ID, TITLE)
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#define SAMPLE_END(ID) sample_end(ID)
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#else
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#define PROFILE_START(COUNT)
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#define PROFILE_END
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#define SAMPLE_START(ID, TITLE)
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#define SAMPLE_END(ID)
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#endif // ENABLE_PROFILING
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct sample profiler_sample_t;
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struct sample {
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const char *title;
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u64 start;
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u64 duration;
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u64 children_duration;
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u64 hit_count;
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profiler_sample_t *parent;
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};
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u64 get_os_frequency();
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// Time in nanoseconds
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u64 get_os_time(void);
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// CPU timer using rdtsc
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u64 read_cpu_timer(void);
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// CPU frequency in hz/sec
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u64 get_cpu_freq(u64 milliseconds);
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void profile_start(u64 count);
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void profile_end();
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void sample_start(u64 id, const char *title);
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void sample_end(u64 id);
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#ifdef __cplusplus
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}
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#endif
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#endif // !TIMER_H
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