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9526a34445
- ?z stands for strlen (zero length is true)
- ?t stands for 'time profiling' for commands
> ?t.(run-profiled-macro)
> ?tpd 20
> ?t33x 128
...
* Add r_prof stuff inside r_util
* Fix hexdump when color is disabled
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* radare - LGPL - Copyright 2009 pancake<nopcode.org> */
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#include "r_util.h"
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// Subtract the 'struct timeval' values begin from end, storing result in RESULT
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// Return 1 if the difference is negative, otherwise 0.
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static int timeval_subtract(struct timeval *result, struct timeval *end, struct timeval *begin)
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{
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// Perform the carry for the later subtraction by updating Y
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if (end->tv_usec < begin->tv_usec) {
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int nsec = (begin->tv_usec - end->tv_usec) / 1000000 + 1;
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begin->tv_usec -= 1000000 * nsec;
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begin->tv_sec += nsec;
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}
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if (end->tv_usec - begin->tv_usec > 1000000) {
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int nsec = (end->tv_usec - begin->tv_usec) / 1000000;
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begin->tv_usec += 1000000 * nsec;
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begin->tv_sec -= nsec;
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}
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// Compute the time remaining to wait. 'tv_usec' is certainly positive.
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result->tv_sec = end->tv_sec - begin->tv_sec;
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result->tv_usec = end->tv_usec - begin->tv_usec;
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// Return 1 if result is negative
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return end->tv_sec < begin->tv_sec;
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}
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void r_prof_start(struct r_prof_t *p)
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{
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struct timeval *begin = &p->begin;
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p->result = 0.0;
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gettimeofday(begin, NULL);
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}
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double r_prof_end(struct r_prof_t *p)
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{
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struct timeval *begin = &p->begin;
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struct timeval end;
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struct timeval diff;
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int sign;
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gettimeofday(&end, NULL);
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sign = timeval_subtract(&diff, begin, &end);
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p->result = R_ABS(((double)(diff.tv_sec) + ((double)diff.tv_usec / 1000000.)));
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return R_ABS(sign);
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}
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