[dpdk-stable] [dpdk-dev] [PATCH v4] test: optimise fd closing in forked test process

[Kevin Traynor]

On 12/11/2019 20:31, David Marchand wrote:
> From: Krzysztof Kanas <kkanas at marvell.com>
> 
> Caught while investigating timeouts on a ARM64 server.
> 
> Stracing a test process running the eal_flags_autotest, we can see that
> the fork helper is checking all possible file descriptors from
> getdtablesize() to 2, and close the existing ones.
> We can do better by inspecting this forked process /proc/self/fd
> directory.
> 
> Besides, checking file descriptors via /proc/self/fd only makes sense for
> Linux. This code was a noop on FreeBSD.
> 
> Fixes: af75078fece3 ("first public release")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Krzysztof Kanas <kkanas at marvell.com>
> Signed-off-by: David Marchand <david.marchand at redhat.com>

Seems to be an improvement on what is existing.

Acked-by: Kevin Traynor <ktraynor at redhat.com>