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From: "Jiale, SongX" <songx.jiale@intel.com>
To: "You, KaisenX" <kaisenx.you@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: "stable@dpdk.org" <stable@dpdk.org>, "Yang, Qiming"
<qiming.yang@intel.com>, "Zhou, YidingX" <yidingx.zhou@intel.com>, "You,
KaisenX" <kaisenx.you@intel.com>, "Wu, Jingjing" <jingjing.wu@intel.com>,
"Xing, Beilei" <beilei.xing@intel.com>, "Zhang, Qi Z" <qi.z.zhang@intel.com>
Subject: RE: [PATCH] net/iavf:fix slow memory allocation
Thread-Topic: [PATCH] net/iavf:fix slow memory allocation
Thread-Index: AQHY+loPnvGVnz4odEaISPfel4EDGq5EWPzg
Date: Fri, 18 Nov 2022 08:22:55 +0000
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References: <20221117065726.277672-1-kaisenx.you@intel.com>
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Errors-To: dev-bounces@dpdk.org
> -----Original Message-----
> From: Kaisen You <kaisenx.you@intel.com>
> Sent: Thursday, November 17, 2022 2:57 PM
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Yang, Qiming <qiming.yang@intel.com>; Zhou, YidingX
> <yidingx.zhou@intel.com>; You, KaisenX <kaisenx.you@intel.com>; Wu,
> Jingjing <jingjing.wu@intel.com>; Xing, Beilei <beilei.xing@intel.com>; Z=
hang,
> Qi Z <qi.z.zhang@intel.com>
> Subject: [PATCH] net/iavf:fix slow memory allocation
>=20
> In some cases, the DPDK does not allocate hugepage heap memory to some
> sockets due to the user setting parameters (e.g. -l 40-79, SOCKET 0 has n=
o
> memory).
> When the interrupt thread runs on the corresponding core of this socket,
> each allocation/release will execute a whole set of heap allocation/relea=
se
> operations,resulting in poor performance.
> Instead we call malloc() to get memory from the system's heap space to fi=
x
> this problem.
>=20
> Fixes: cb5c1b91f76f ("net/iavf: add thread for event callbacks")
> Cc: stable@dpdk.org
>=20
> Signed-off-by: Kaisen You <kaisenx.you@intel.com>
> ---
Tested-by: Song Jiale <songx.jiale@intel.com>