[DTrace-devel] [PATCH v2] test: Wait for output to flush out in enable_pid
Nick Alcock
nick.alcock at oracle.com
Tue Jul 22 13:38:55 UTC 2025
On 28 Jun 2025, eugene loh said:
> From: Eugene Loh <eugene.loh at oracle.com>
>
> Our luck with this test has been quite good, but it sometimes fails
> to show its last lines of output. That is, we send a USR1 to the
> trigger processes to set off the final output and we immediately
> cat the output files. If there is any delay in handling the signal,
> the last output will be missing.
>
> Have the processes terminate themselves when their last output is
> flushed; then wait for those processes. Also, skip testing altogether if
> there is only a single processor to run the two, hard-spinning processes.
Yeah, much better design.
> Signed-off-by: Eugene Loh <eugene.loh at oracle.com>
Reviewed-by: Nick Alcock <nick.alcock at oracle.com>
--
NULL && (void)
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