From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 032FEC4332F for ; Wed, 4 Jan 2023 10:10:50 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id ECF1640A82; Wed, 4 Jan 2023 11:10:49 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 7161B40697 for ; Wed, 4 Jan 2023 11:10:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1672827048; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=b+YN1pjrivgrScCNHxMzt2ccziC4qNRWuV+gH0L68ao=; b=ZxWe0Jg3XtDUBrCq71RtReCiPD8qa9gPyQHyluW26S0PXt4/0ZWUvY+IGB05ZcYDEdHjJA +CF+saF7bMSJqvkOt3Tz7HCd9Bq9sSuBE075UqfydKokJ9u0wA0LlvWOhKLjbXd1kyk07T 6i9BPe3oCHWrNUYUR9obpiMIBpJ+tqg= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-593-a7njsBQ4NpKRpcsgCKAV_A-1; Wed, 04 Jan 2023 05:10:46 -0500 X-MC-Unique: a7njsBQ4NpKRpcsgCKAV_A-1 Received: by mail-wm1-f69.google.com with SMTP id q21-20020a7bce95000000b003d236c91639so7281705wmj.8 for ; Wed, 04 Jan 2023 02:10:46 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:references:to:from:subject:cc:message-id:date :content-transfer-encoding:mime-version:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=W9t2uYGZdlId1QvVWLuLvFWx7Flwa/AMMigTNsr0k0A=; b=Xzv7V3Ce+3x5hkHLBqwd+MIg2Jjz1TJMiW1ERLdkYCqigt1hfWe69qd5O1ia7oT1PT 3QN+DM0tU9giKOlJPAbFirnV2zGpAUDZq29e57cKPAoE22OniU6iOYrlOkpDg66EyKKm emWLJhsZPTbdfpRkfexCiWo0dpWueKkOpHGJzAlx5GT4HyPRN8MNwWyCkcE541IEIlm/ 4kepSPrn0Cn+UCGwb230zftK70O1sZr7dY2sT5ltW2fk2riL7WjIdmvgvNqXS9H0/2F/ I6/Boi+NDhU5I5J4RQu2MCClKzzzh4Av3qbc3YYqQ5pOTiuE+pAnDFvAVk7oH2BFBAiE wNSA== X-Gm-Message-State: AFqh2kosppUVLXpqoTaWH+y4GPmMtY2OBFK8zljP1UNhsa1HZBhdEWgf zDTGz7aCkW92T+KNmVanAFh9n9pr53Fc9dI9sFCUw/dN3CY6+jO3zHQTEotyo965bVYxMhQ5p3a U3+U= X-Received: by 2002:a05:600c:44c9:b0:3d1:f6b3:2ce3 with SMTP id f9-20020a05600c44c900b003d1f6b32ce3mr40525965wmo.35.1672827045851; Wed, 04 Jan 2023 02:10:45 -0800 (PST) X-Google-Smtp-Source: AMrXdXs5/vmaHd95/P5w/a8AS4pfwhRLWAc95KzewWXeRTqtgMBCJi2jsWWwQ81Lt+ybDIrOX1xOGg== X-Received: by 2002:a05:600c:44c9:b0:3d1:f6b3:2ce3 with SMTP id f9-20020a05600c44c900b003d1f6b32ce3mr40525951wmo.35.1672827045681; Wed, 04 Jan 2023 02:10:45 -0800 (PST) Received: from localhost (2a01cb000f483e0055ae3800781b5cbc.ipv6.abo.wanadoo.fr. [2a01:cb00:f48:3e00:55ae:3800:781b:5cbc]) by smtp.gmail.com with ESMTPSA id w23-20020a1cf617000000b003d9b89a39b2sm9000375wmc.10.2023.01.04.02.10.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Jan 2023 02:10:45 -0800 (PST) Mime-Version: 1.0 Date: Wed, 04 Jan 2023 11:10:44 +0100 Message-Id: Cc: "Tyler Retzlaff" , "Kevin Laatz" , =?utf-8?q?Morten_Br=C3=B8rup?= Subject: Re: [PATCH v5 2/4] eal: allow applications to report their cpu usage From: "Robin Jarry" To: "Konstantin Ananyev" , "dev@dpdk.org" X-Mailer: aerc/0.13.0-167-g0f28e7e1ad84 References: <20221123102612.1688865-1-rjarry@redhat.com> <20221216102109.64142-1-rjarry@redhat.com> <20221216102109.64142-3-rjarry@redhat.com> In-Reply-To: X-Mimecast-Spam-Score: 1 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Konstantin Ananyev, Dec 22, 2022 at 13:41: > > +static rte_lcore_usage_cb lcore_usage_cb; > > + > > +void > > +rte_lcore_register_usage_cb(rte_lcore_usage_cb cb) > > +{ > > +=09lcore_usage_cb =3D cb; > > +} > > + > > LGTM in general. > One question: I assume this function is supposed to be called just > once at app init stage, so we probably don't need to worry about > possible sync issues, right? If so, then probably worth to mention it > in the function formal comments below. Yes, this is correct. I'll add a mention in the function docstring to explain that this should be called once at init. Also I'll add a comment in the function body to indicate that there is no risk of sync issues.