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From: Thomas Monjalon <thomas@monjalon.net>
To: Georgiy Levashov <georgiy.levashov@oktetlabs.ru>
Cc: Nicolas Chautru <nicolas.chautru@intel.com>,
Bruce Richardson <bruce.richardson@intel.com>,
Ferruh Yigit <ferruh.yigit@intel.com>,
Declan Doherty <declan.doherty@intel.com>,
Marko Kovacevic <marko.kovacevic@intel.com>, Ori Kam <orika@mellanox.com>,
Radu Nicolau <radu.nicolau@intel.com>, Akhil Goyal <akhil.goyal@nxp.com>,
Tomasz Kantecki <tomasz.kantecki@intel.com>,
Sunil Kumar Kori <skori@marvell.com>,
Pavan Nikhilesh <pbhagavatula@marvell.com>,
John McNamara <john.mcnamara@intel.com>,
Kirill Rybalchenko <kirill.rybalchenko@intel.com>,
Harry van Haaren <harry.van.haaren@intel.com>,
Xiaoyun Li <xiaoyun.li@intel.com>,
Maxime Coquelin <maxime.coquelin@redhat.com>,
Zhihong Wang <zhihong.wang@intel.com>, dev@dpdk.org, stable@dpdk.org,
Andrew Rybchenko <arybchenko@solarflare.com>
Date: Thu, 25 Jun 2020 00:22:09 +0200
Message-ID: <6332827.LBNadDuDc9@thomas>
In-Reply-To: <1588080462-32393-1-git-send-email-arybchenko@solarflare.com>
References: <1588080462-32393-1-git-send-email-arybchenko@solarflare.com>
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Subject: Re: [dpdk-dev] [PATCH] examples: add flush after stats printing
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28/04/2020 15:27, Andrew Rybchenko:
> From: Georgiy Levashov <georgiy.levashov@oktetlabs.ru>
>
> When printf()'s stdout is line-buffered for terminal, it is fully
> buffered for pipes. So, stdout listener can only get the output
> when it is flushed (on program termination, when buffer is filled or
> manual flush).
>
> stdout buffer might fill slowly since every stats report could be small.
>
> Also when it is fully filled it might contain a part of the last stats
> report which makes it very inconvenient for any automation which reads
> and parses the output.
>
> Fixes: af75078fece3 ("first public release")
> Cc: stable@dpdk.org
>
> Signed-off-by: Georgiy Levashov <georgiy.levashov@oktetlabs.ru>
> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Applied, thanks