mirror of https://github.com/mpv-player/mpv
33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
/*
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* my_profile.h
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*
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* Copyright (C) Nick Kurshev <nickols_k@mail.ru> - Oct 2001
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*
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* You can redistribute this file under terms and conditions
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* of GNU General Public licence v2.
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*/
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#ifndef MY_PROFILE_INC
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#define MY_PROFILE_INC
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extern volatile unsigned long long int my_profile_start,my_profile_end,my_profile_total;
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#if defined ( ENABLE_PROFILE ) && defined ( ARCH_X86 )
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static inline unsigned long long int read_tsc( void )
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{
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unsigned long long int retval;
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__asm __volatile ("rdtsc":"=A"(retval)::"memory");
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return retval;
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}
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#define PROFILE_RESET() (my_profile_total=0ULL)
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#define PROFILE_START() { static int inited=0; if(!inited) { inited=1; my_profile_total=0ULL; } my_profile_start=read_tsc(); }
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#define PROFILE_END(your_message) { my_profile_end=read_tsc(); my_profile_total+=(my_profile_end-my_profile_start); printf(your_message" current=%llu total=%llu\n\t",(my_profile_end-my_profile_start),my_profile_total); }
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#else
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#define PROFILE_RESET()
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#define PROFILE_START()
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#define PROFILE_END(your_message)
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#endif
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#endif |