1*4d495c6eSApple OSS Distributions #include <stdlib.h> 2*4d495c6eSApple OSS Distributions #include <time.h> 3*4d495c6eSApple OSS Distributions #include <sys/time.h> 4*4d495c6eSApple OSS Distributions #include <mach/mach_time.h> 5*4d495c6eSApple OSS Distributions 6*4d495c6eSApple OSS Distributions #include <darwintest.h> 7*4d495c6eSApple OSS Distributions #include <darwintest_utils.h> 8*4d495c6eSApple OSS Distributions 9*4d495c6eSApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 10*4d495c6eSApple OSS Distributions 11*4d495c6eSApple OSS Distributions #define T_LOG_VERBOSE(...) 12*4d495c6eSApple OSS Distributions 13*4d495c6eSApple OSS Distributions #define timespec2nanosec(ts) ((uint64_t)((ts)->tv_sec) * NSEC_PER_SEC + (uint64_t)((ts)->tv_nsec)) 14*4d495c6eSApple OSS Distributions 15*4d495c6eSApple OSS Distributions T_DECL(mach_get_times, "mach_get_times()", 16*4d495c6eSApple OSS Distributions T_META_CHECK_LEAKS(false), T_META_ALL_VALID_ARCHS(true)) 17*4d495c6eSApple OSS Distributions { 18*4d495c6eSApple OSS Distributions const int ITERATIONS = 500000 * dt_ncpu(); 19*4d495c6eSApple OSS Distributions struct timespec gtod_ts; 20*4d495c6eSApple OSS Distributions 21*4d495c6eSApple OSS Distributions uint64_t last_absolute, last_continuous, last_gtod; 22*4d495c6eSApple OSS Distributions T_QUIET; T_ASSERT_EQ(mach_get_times(&last_absolute, &last_continuous, >od_ts), KERN_SUCCESS, NULL); 23*4d495c6eSApple OSS Distributions last_gtod = timespec2nanosec(>od_ts); 24*4d495c6eSApple OSS Distributions 25*4d495c6eSApple OSS Distributions for (int i = 0; i < ITERATIONS; i++) { 26*4d495c6eSApple OSS Distributions uint64_t absolute, continuous, gtod; 27*4d495c6eSApple OSS Distributions T_QUIET; T_ASSERT_EQ(mach_get_times(&absolute, &continuous, >od_ts), KERN_SUCCESS, NULL); 28*4d495c6eSApple OSS Distributions gtod = timespec2nanosec(>od_ts); 29*4d495c6eSApple OSS Distributions 30*4d495c6eSApple OSS Distributions T_LOG_VERBOSE("[%d] abs: %llu.%09llu(+%llu)\tcont: %llu.%09llu(+%llu)\tgtod:%llu.%09llu(+%llu)", i, 31*4d495c6eSApple OSS Distributions absolute / NSEC_PER_SEC, absolute % NSEC_PER_SEC, absolute - last_absolute, 32*4d495c6eSApple OSS Distributions continuous / NSEC_PER_SEC, continuous % NSEC_PER_SEC, continuous - last_continuous, 33*4d495c6eSApple OSS Distributions gtod / NSEC_PER_SEC, gtod % NSEC_PER_SEC, gtod - last_gtod); 34*4d495c6eSApple OSS Distributions 35*4d495c6eSApple OSS Distributions T_QUIET; T_EXPECT_EQ(absolute - last_absolute, continuous - last_continuous, NULL); 36*4d495c6eSApple OSS Distributions 37*4d495c6eSApple OSS Distributions int64_t gtod_diff = (int64_t)gtod - (int64_t)last_gtod; 38*4d495c6eSApple OSS Distributions T_QUIET; T_ASSERT_LE((uint64_t)llabs(gtod_diff), NSEC_PER_SEC, NULL); 39*4d495c6eSApple OSS Distributions 40*4d495c6eSApple OSS Distributions last_absolute = absolute; 41*4d495c6eSApple OSS Distributions last_continuous = continuous; 42*4d495c6eSApple OSS Distributions last_gtod = gtod; 43*4d495c6eSApple OSS Distributions 44*4d495c6eSApple OSS Distributions gtod_ts.tv_sec = 0; gtod_ts.tv_nsec = 0; 45*4d495c6eSApple OSS Distributions } 46*4d495c6eSApple OSS Distributions } 47