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From: Kevin Traynor <ktraynor@redhat.com>
To: David Marchand <david.marchand@redhat.com>, dev@dpdk.org
Cc: kkanas@marvell.com, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v4] test: optimise fd closing in forked test process
Date: Thu, 14 Nov 2019 19:31:48 +0000
Message-ID: <de643714-ff74-53bc-0ed0-b28e92eb9c66@redhat.com> (raw)
In-Reply-To: <1573590662-31370-1-git-send-email-david.marchand@redhat.com>

On 12/11/2019 20:31, David Marchand wrote:
> From: Krzysztof Kanas <kkanas@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@dpdk.org
> 
> Signed-off-by: Krzysztof Kanas <kkanas@marvell.com>
> Signed-off-by: David Marchand <david.marchand@redhat.com>

Seems to be an improvement on what is existing.

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


  reply index

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-02  7:52 [dpdk-dev] [PATCH] test: fix process dup fd close kkanas
2019-09-02  9:49 ` [dpdk-dev] [PATCH v2] " kkanas
2019-09-23 11:32   ` Krzysztof Kanas
2019-10-30  9:06   ` David Marchand
2019-11-04  7:52     ` [dpdk-dev] [EXT] " Krzysztof Kanas
2019-11-06 14:36       ` David Marchand
2019-11-06 14:58   ` [dpdk-dev] " David Marchand
2019-11-08 10:21     ` [dpdk-dev] [PATCH v3 0/3] test: fix timeout in flags autotest kkanas
2019-11-08 10:21       ` [dpdk-dev] [PATCH v3 1/3] " kkanas
2019-11-08 10:21       ` [dpdk-dev] [PATCH v3 2/3] test: move close files to separate function kkanas
2019-11-08 10:21       ` [dpdk-dev] [PATCH v3 3/3] test: fix FreeBSD file closing function kkanas
2019-11-08 11:05       ` [dpdk-dev] [PATCH v3 0/3] test: fix timeout in flags autotest David Marchand
2019-11-08 11:11         ` David Marchand
2019-11-08 13:45         ` David Marchand
2019-11-12  8:26           ` [dpdk-dev] [EXT] " Krzysztof Kanas
2019-11-12 20:34             ` David Marchand
2019-11-13 13:35               ` Krzysztof Kanas
2019-11-12 20:31 ` [dpdk-dev] [PATCH v4] test: optimise fd closing in forked test process David Marchand
2019-11-14 19:31   ` Kevin Traynor [this message]
2019-11-15  8:11     ` David Marchand

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