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References: <07b3151ab8ee4191b11ef563ddd31d1d@nokia-sbell.com>
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In-Reply-To: <2f3ddcfab1844606951e514b84c9d512@nokia-sbell.com>
From: David Marchand <david.marchand@redhat.com>
Date: Tue, 17 Aug 2021 11:26:24 +0200
Message-ID: <CAJFAV8zFyq-9Oka0L-p8q5phQm_xm4cNxArwMuH1GX32WxTT5w@mail.gmail.com>
To: "Dong, Shaojie (NSB - CN/Hangzhou)" <shaojie.dong@nokia-sbell.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>,
"users@dpdk.org" <users@dpdk.org>,
"Meunier, Julien (Nokia - FR/Paris-Saclay)" <julien.meunier@nokia.com>
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Subject: Re: [dpdk-users] [DPDK 20.11] rte_eal_init() appear additional
thread
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On Tue, Aug 17, 2021 at 11:19 AM Dong, Shaojie (NSB - CN/Hangzhou)
<shaojie.dong@nokia-sbell.com> wrote:
> I found the additional thread was created by following path on DPDK 20.11 version
>
> rte_eal_init()->rte_telemetry_init()->telemetry_v2_init()->pthread_create()
>
> Only call pthread_create() function to create this additional thread and then sleep all the time
> DPDK code do not set this thread's name
> So it inherits the main thread's name
>
> Two threads with the same name are easy to confuse by business code
> Does DPDK code support its name change ?
>
> It was not worker/slave thread
telemetry threads are renamed since 5da7736f8c53 ("telemetry: set
socket listener thread name") (with a followup fix).
--
David Marchand