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| author | Thomas Gleixner <tglx@linutronix.de> | 2016-06-21 08:22:51 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-06-21 08:22:51 +0200 |
| commit | c7d6b5a22c00a19b513353469d89062264a7235f (patch) | |
| tree | e693b4d3cd596471a2516529d6ef5c3ed9efcbdc /kernel/time/test_udelay.c | |
| parent | 86721ab63b61ef1dd7305308e4049f644703decf (diff) | |
| parent | 7c71feb0a6766c7c3a262e3cc33ae231f3953cb6 (diff) | |
Merge branch 'fortglx/4.8/time' of https://git.linaro.org/people/john.stultz/linux into timers/core
Pull time(keeping) updates from John Stultz:
- Handle the 1ns issue with the old refusing to die vsyscall machinery
- More y2038 updates
- Documentation fixes
- Simplify clocksource handling
Diffstat (limited to 'kernel/time/test_udelay.c')
| -rw-r--r-- | kernel/time/test_udelay.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/kernel/time/test_udelay.c b/kernel/time/test_udelay.c index e622ba365a13..b0928ab3270f 100644 --- a/kernel/time/test_udelay.c +++ b/kernel/time/test_udelay.c @@ -43,13 +43,13 @@ static int udelay_test_single(struct seq_file *s, int usecs, uint32_t iters) int allowed_error_ns = usecs * 5; for (i = 0; i < iters; ++i) { - struct timespec ts1, ts2; + s64 kt1, kt2; int time_passed; - ktime_get_ts(&ts1); + kt1 = ktime_get_ns(); udelay(usecs); - ktime_get_ts(&ts2); - time_passed = timespec_to_ns(&ts2) - timespec_to_ns(&ts1); + kt2 = ktime_get_ns(); + time_passed = kt2 - kt1; if (i == 0 || time_passed < min) min = time_passed; @@ -87,11 +87,11 @@ static int udelay_test_show(struct seq_file *s, void *v) if (usecs > 0 && iters > 0) { return udelay_test_single(s, usecs, iters); } else if (usecs == 0) { - struct timespec ts; + struct timespec64 ts; - ktime_get_ts(&ts); - seq_printf(s, "udelay() test (lpj=%ld kt=%ld.%09ld)\n", - loops_per_jiffy, ts.tv_sec, ts.tv_nsec); + ktime_get_ts64(&ts); + seq_printf(s, "udelay() test (lpj=%ld kt=%lld.%09ld)\n", + loops_per_jiffy, (s64)ts.tv_sec, ts.tv_nsec); seq_puts(s, "usage:\n"); seq_puts(s, "echo USECS [ITERS] > " DEBUGFS_FILENAME "\n"); seq_puts(s, "cat " DEBUGFS_FILENAME "\n"); |