diff options
Diffstat (limited to 'time/tst-cpuclock1.c')
| -rw-r--r-- | time/tst-cpuclock1.c | 65 |
1 files changed, 6 insertions, 59 deletions
diff --git a/time/tst-cpuclock1.c b/time/tst-cpuclock1.c index 1ac611a92b..f40b590111 100644 --- a/time/tst-cpuclock1.c +++ b/time/tst-cpuclock1.c @@ -26,7 +26,6 @@ #include <signal.h> #include <stdint.h> #include <sys/wait.h> -#include <support/timespec.h> /* This function is intended to rack up both user and system time. */ static void @@ -125,7 +124,7 @@ do_test (void) child, (unsigned long int) child_clock, (uintmax_t) res.tv_sec, (uintmax_t) res.tv_nsec); - struct timespec before, after; + struct timespec before; if (clock_gettime (child_clock, &before) < 0) { printf ("clock_gettime on live PID %d clock %lx => %s\n", @@ -137,38 +136,7 @@ do_test (void) printf ("live PID %d before sleep => %ju.%.9ju\n", child, (uintmax_t) before.tv_sec, (uintmax_t) before.tv_nsec); - struct timespec sleeptime = { .tv_nsec = 500000000 }; - if (nanosleep (&sleeptime, NULL) != 0) - { - perror ("nanosleep"); - result = 1; - goto done; - } - - if (clock_gettime (child_clock, &after) < 0) - { - printf ("clock_gettime on live PID %d clock %lx => %s\n", - child, (unsigned long int) child_clock, strerror (errno)); - result = 1; - goto done; - } - /* Should be close to 0.5. */ - printf ("live PID %d after sleep => %ju.%.9ju\n", - child, (uintmax_t) after.tv_sec, (uintmax_t) after.tv_nsec); - - /* The bound values are empirically defined by testing this code over high cpu - usage and different nice values. Of all the values we keep the 90th - percentile of values and use those values for our testing allowed range. */ - struct timespec diff = timespec_sub (support_timespec_normalize (after), - support_timespec_normalize (before)); - if (!support_timespec_check_in_range (sleeptime, diff, .9, 1.1)) - { - printf ("before - after %ju.%.9ju outside reasonable range\n", - (uintmax_t) diff.tv_sec, (uintmax_t) diff.tv_nsec); - result = 1; - } - - sleeptime.tv_nsec = 100000000; + struct timespec sleeptime = { .tv_nsec = 100000000 }; e = clock_nanosleep (child_clock, 0, &sleeptime, NULL); if (e == EINVAL || e == ENOTSUP || e == ENOSYS) { @@ -191,18 +159,9 @@ do_test (void) } else { - /* The bound values are empirically defined by testing this code over - high cpu usage and different nice values. Of all the values we keep - the 90th percentile of values and use those values for our testing - allowed range. */ - diff = timespec_sub (support_timespec_normalize (afterns), - support_timespec_normalize (after)); - if (!support_timespec_check_in_range (sleeptime, diff, .9, 1.2)) - { - printf ("nanosleep time %ju.%.9ju outside reasonable range\n", - (uintmax_t) diff.tv_sec, (uintmax_t) diff.tv_nsec); - result = 1; - } + printf ("live PID %d after sleep => %ju.%.9ju\n", + child, (uintmax_t) afterns.tv_sec, + (uintmax_t) afterns.tv_nsec); } } @@ -231,21 +190,9 @@ do_test (void) result = 1; goto done; } - /* Should be close to 0.6. */ + /* Should be close to 0.1. */ printf ("dead PID %d => %ju.%.9ju\n", child, (uintmax_t) dead.tv_sec, (uintmax_t) dead.tv_nsec); - /* The bound values are empirically defined by testing this code over high cpu - usage and different nice values. Of all the values we keep the 90th - percentile of values and use those values for our testing allowed range. */ - diff = timespec_sub (support_timespec_normalize (dead), - support_timespec_normalize (after)); - sleeptime.tv_nsec = 100000000; - if (!support_timespec_check_in_range (sleeptime, diff, .9, 1.2)) - { - printf ("dead - after %ju.%.9ju outside reasonable range\n", - (uintmax_t) diff.tv_sec, (uintmax_t) diff.tv_nsec); - result = 1; - } /* Now reap the child and verify that its clock is no longer valid. */ { |