[LTP] [PATCH 3/3] ipc/msgstress03: Assume all forks will run concurently
Richard Palethorpe
rpalethorpe@suse.de
Tue Feb 28 15:21:49 CET 2023
Hello,
Teo Couprie Diaz <teo.coupriediaz@arm.com> writes:
> It appears that msgstress03 doesn't account for all PIDs that its children
> can use, as it expects the tasks will terminate quickly and not reach
> the PID limit.
> On some systems, this assumption can be invalid and the PID limit
> will be hit.
> Change the limit to account for all possible children at once, knowning
> that each child will fork as well.
Reviewed-by: Richard Palethorpe <rpalethorpe@suse.com>
>
> Signed-off-by: Teo Couprie Diaz <teo.coupriediaz@arm.com>
> ---
> testcases/kernel/syscalls/ipc/msgstress/msgstress03.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/testcases/kernel/syscalls/ipc/msgstress/msgstress03.c b/testcases/kernel/syscalls/ipc/msgstress/msgstress03.c
> index 3cb70ab18..0c46927b8 100644
> --- a/testcases/kernel/syscalls/ipc/msgstress/msgstress03.c
> +++ b/testcases/kernel/syscalls/ipc/msgstress/msgstress03.c
> @@ -109,7 +109,7 @@ int main(int argc, char **argv)
> }
> }
>
> - free_pids = tst_get_free_pids(cleanup);
> + free_pids = tst_get_free_pids(cleanup) / 2;
> if (nprocs >= free_pids) {
> tst_resm(TINFO,
> "Requested number of processes higher than limit (%d > %d), "
> --
> 2.25.1
--
Thank you,
Richard.
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