From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4F32641C25; Mon, 6 Feb 2023 21:29:29 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3DD22410D1; Mon, 6 Feb 2023 21:29:29 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 447C040A7D for ; Mon, 6 Feb 2023 21:29:27 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675715366; 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=/Oy8dAIfAlue5+TiFXcKQk5YEezrCdGJsq7Rnl3AWbU=; b=Da+Ys4aOCMBd/BgWb8lGFc8EHgTSYeSL+ulvNVrL7koODtJWXg9OdbZ+hzDpzFpPqap8e1 kVlOsCzMf4lh3LtqskfKwt8XeN49nBXGwp0paZGwEdJmDJJFQIveoB9lTUHcqqno48FXHs IA53neBTuh3MwdF7VGIKZIvIOGzWULw= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-70-FmGJq1k1MbimvtqKIBCZwA-1; Mon, 06 Feb 2023 15:29:24 -0500 X-MC-Unique: FmGJq1k1MbimvtqKIBCZwA-1 Received: by mail-wm1-f71.google.com with SMTP id o31-20020a05600c511f00b003dc53da325dso9493096wms.8 for ; Mon, 06 Feb 2023 12:29:24 -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=/Oy8dAIfAlue5+TiFXcKQk5YEezrCdGJsq7Rnl3AWbU=; b=PzoW3Q0vyRHMYivpHetjd0MsXXahWjsVhRrbiC1KWGzQ+YnpO6lLQV0YQ8WckKYwOT OUIJ9pA4GMUfoa33WN20T44ETQWao20LcfbALrTrJ8bingj8Wy1wqJrTg0Ds6KiJI3GG 8wADAM0BCFviwA69yA4YqjnDo+2gW+NNRPl28VMjPZrEVoIfjHB43YnquBWol36C4ttF 9+hyQBfrC+uiOOHjbMmHY6JaLtEn6jxqcy6LuZ7qSyGc8zwdfAudmDFXi40p+/XJ03aE aajklqneSWOzwpDgsYz/0HlsKx3dzULKU3s7bGp3lgLatJIAUYUK7g9EEI9mXHox1dd0 nfqg== X-Gm-Message-State: AO0yUKUqfGOWoLXV/003Sj7KxeeycMu3vrkuKCtUgj2wR098SBKn9WSc 4mzmyDcfa8i52r2wCfEciCGGHlM339bB/TaaOyY5UKWfrQUnGzuYQPuCdQscTx8+9P4qwEzG8zr t6/A= X-Received: by 2002:a5d:440d:0:b0:2c3:6686:c7d5 with SMTP id z13-20020a5d440d000000b002c36686c7d5mr181988wrq.18.1675715362474; Mon, 06 Feb 2023 12:29:22 -0800 (PST) X-Google-Smtp-Source: AK7set/vmwg88GMHKrSaSIxcMwPb1f0PmxuztO/fbv7tHjbRvQMmXcZKQXmssCsEQu4uE5cef6sYPg== X-Received: by 2002:a5d:440d:0:b0:2c3:6686:c7d5 with SMTP id z13-20020a5d440d000000b002c36686c7d5mr181980wrq.18.1675715362297; Mon, 06 Feb 2023 12:29:22 -0800 (PST) Received: from localhost (2a01cb000f483e00b4815b62aee6aa5b.ipv6.abo.wanadoo.fr. [2a01:cb00:f48:3e00:b481:5b62:aee6:aa5b]) by smtp.gmail.com with ESMTPSA id x18-20020adfffd2000000b002c3f1223059sm580620wrs.36.2023.02.06.12.29.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Feb 2023 12:29:21 -0800 (PST) Mime-Version: 1.0 Date: Mon, 06 Feb 2023 21:29:21 +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/0.14.0-64-gf10d00f8407e 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, Feb 06, 2023 at 21:07: > Problem is not in resetting cb function itself. > > Usually with CB user needs some sort of data structure (to accumulate > stats, track states, etc.). If we allow to reset the CB, then it > arises the question when/how should we allow user to free associated > data? > > And, as I undersand, we don't have a clear way to do it. If the application decides to reset the callback function, they are in a good position to determine what resources they need to free. I don't see why EAL should get involved here but I may be missing a point.