| #include "test/jemalloc_test.h" |
| |
| void |
| timer_start(timedelta_t *timer) |
| { |
| |
| #ifdef _WIN32 |
| GetSystemTimeAsFileTime(&timer->ft0); |
| #elif JEMALLOC_CLOCK_GETTIME |
| if (sysconf(_SC_MONOTONIC_CLOCK) <= 0) |
| timer->clock_id = CLOCK_REALTIME; |
| else |
| timer->clock_id = CLOCK_MONOTONIC; |
| clock_gettime(timer->clock_id, &timer->ts0); |
| #else |
| gettimeofday(&timer->tv0, NULL); |
| #endif |
| } |
| |
| void |
| timer_stop(timedelta_t *timer) |
| { |
| |
| #ifdef _WIN32 |
| GetSystemTimeAsFileTime(&timer->ft0); |
| #elif JEMALLOC_CLOCK_GETTIME |
| clock_gettime(timer->clock_id, &timer->ts1); |
| #else |
| gettimeofday(&timer->tv1, NULL); |
| #endif |
| } |
| |
| uint64_t |
| timer_usec(const timedelta_t *timer) |
| { |
| |
| #ifdef _WIN32 |
| uint64_t t0, t1; |
| t0 = (((uint64_t)timer->ft0.dwHighDateTime) << 32) | |
| timer->ft0.dwLowDateTime; |
| t1 = (((uint64_t)timer->ft1.dwHighDateTime) << 32) | |
| timer->ft1.dwLowDateTime; |
| return ((t1 - t0) / 10); |
| #elif JEMALLOC_CLOCK_GETTIME |
| return (((timer->ts1.tv_sec - timer->ts0.tv_sec) * 1000000) + |
| (timer->ts1.tv_nsec - timer->ts0.tv_nsec) / 1000); |
| #else |
| return (((timer->tv1.tv_sec - timer->tv0.tv_sec) * 1000000) + |
| timer->tv1.tv_usec - timer->tv0.tv_usec); |
| #endif |
| } |
| |
| void |
| timer_ratio(timedelta_t *a, timedelta_t *b, char *buf, size_t buflen) |
| { |
| uint64_t t0 = timer_usec(a); |
| uint64_t t1 = timer_usec(b); |
| uint64_t mult; |
| unsigned i = 0; |
| unsigned j; |
| int n; |
| |
| /* Whole. */ |
| n = malloc_snprintf(&buf[i], buflen-i, "%"FMTu64, t0 / t1); |
| i += n; |
| if (i >= buflen) |
| return; |
| mult = 1; |
| for (j = 0; j < n; j++) |
| mult *= 10; |
| |
| /* Decimal. */ |
| n = malloc_snprintf(&buf[i], buflen-i, "."); |
| i += n; |
| |
| /* Fraction. */ |
| while (i < buflen-1) { |
| uint64_t round = (i+1 == buflen-1 && ((t0 * mult * 10 / t1) % 10 |
| >= 5)) ? 1 : 0; |
| n = malloc_snprintf(&buf[i], buflen-i, |
| "%"FMTu64, (t0 * mult / t1) % 10 + round); |
| i += n; |
| mult *= 10; |
| } |
| } |