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63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
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* This file is part of mtrace-ng.
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* Copyright (C) 2015 Stefani Seibold <stefani@seibold.net>
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*
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* This work was sponsored by Rohde & Schwarz GmbH & Co. KG, Munich/Germany.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef _INC_TIMER_H
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#define _INC_TIMER_H
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#include <time.h>
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#include <sys/time.h>
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struct mt_timer {
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unsigned int max;
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unsigned int count;
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unsigned long long culminate;
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};
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static inline int start_time(struct timespec *ts)
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{
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return clock_gettime(CLOCK_THREAD_CPUTIME_ID, ts);
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}
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static inline int set_timer(struct timespec *start, struct mt_timer *p)
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{
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struct timespec now;
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unsigned int usec;
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if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &now) == -1)
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return -1;
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usec = (now.tv_sec - start->tv_sec) * 1000000L +
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(now.tv_nsec - start->tv_nsec + 500L) / 1000;
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if (p->max < usec)
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p->max = usec;
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p->culminate += usec;
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++p->count;
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return 0;
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}
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#endif
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