Messages in this thread Patch in this message | | | Date | Tue, 10 Oct 2017 18:47:49 +0200 | From | Sebastian Andrzej Siewior <> | Subject | Re: [ANNOUNCE] v4.11.12-rt13 |
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On 2017-10-10 18:24:55 [+0200], To Mike Galbraith wrote: > > homer:..debug/tracing # time chrt -f 1 /usr/local/ltp/conformance/interfaces/clock_settime/clock_settime_8-1.run-test > > Ended too late. 1507351636 >> 1507351634 > > Test FAILED > > > > real 0m7.002s > > user 0m0.000s > > sys 0m0.002s > > As per POSIX we should sleep only 5 secs despite the CLOCK_REALTIME > change. In RT case however we sleep 7 so we somehow account it which is > wrong.
This should cure it:
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -1258,6 +1258,8 @@ static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id, clock_id = CLOCK_MONOTONIC; else if (clock_id == CLOCK_REALTIME_SOFT) clock_id = CLOCK_MONOTONIC_SOFT; + else if (clock_id == CLOCK_REALTIME_HARD) + clock_id = CLOCK_MONOTONIC; } base = hrtimer_clockid_to_base(clock_id); Sebastian
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