1 files changed, 85 insertions, 0 deletions
diff --git a/deps/jemalloc/test/src/timer.c b/deps/jemalloc/test/src/timer.c
new file mode 100644
index 000000000..0c93abaf9
--- /dev/null
+++ b/deps/jemalloc/test/src/timer.c
@@ -0,0 +1,85 @@
+#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;
+	}
+}