From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 81F9B38DD7; Thu, 9 Nov 2023 21:29:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kyNKwXmP" Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F9103C05; Thu, 9 Nov 2023 13:29:57 -0800 (PST) Received: by mail-pf1-x431.google.com with SMTP id d2e1a72fcca58-6b7f0170d7bso1421750b3a.2; Thu, 09 Nov 2023 13:29:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1699565396; x=1700170196; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=tFhJIVYZGPS0s7Wh0Jk+wdSy/r1C+BVbMLSFexUo/0U=; b=kyNKwXmPOZrnGImJtCAep/e2QfnvPoH2aq1CWrsdpVZ302WMRyBo3Wo0Hlc+C0WVuT vrnMxOZsV6Vw1NCVLtUARBy+4WrbY8jVlqotJ/Gq45Wby8r7VITisyzMUKRoH3ocVg9p 4AQbj+yXvP1+/RENdU6wLrGUdiCTJ+xzXZUNBVjXW1PxjK+Yw09GlPyJSKud8dxgoMwp aKAklj4daCNMfdihuPRVr8qQ5X+NLUNJzUVPY2+ATNpWKO+1KlSSvf6D1P0cVt8EU+XP MZdXoi9nAtgHCp1nxoU/ieaxehs7B8gI7vFYxHC8orj/JKdTK1nCFQlNd8PYk3PMwYni jTAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699565396; x=1700170196; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tFhJIVYZGPS0s7Wh0Jk+wdSy/r1C+BVbMLSFexUo/0U=; b=sMtoDS8WmFxjAPPsFxNGIhJ1hqK2LCWpror8BCOOHVSTiLxLp02/8vJSf+QlLgBM+p bRko8a9SLpydEsrVxxirCkKeKYCEgAJcno2c2KJEw3sFAJTE2jvbVdoJg/j9BF91lWn0 m+1WtIlVLAX/qfRXT2BtT4qqYl4PS5uYD0E3ddSZxvBwxaI+VfCqo1kiPGPk7dKMeTT8 8POfAtDrYVkyQPHkXHfh7IF4HHvnhGs+ubDyQm0u2t56uD9R0V+5kFF2d1fihxsJ91of Tg0ymN1qOWbC7ry/GIDd5QeF6+15ZexHPiIL74GcQsBzt5NeZBftHMvPV9pXxYZxXNsx +J7g== X-Gm-Message-State: AOJu0Yy3978OOgqr5fifFVArlLZJTd75WGye8SJSfHjgpXW9mpszLuH2 DBQ8r29Eu9J4CiViwJDHGuI= X-Google-Smtp-Source: AGHT+IGMeKEv6LwZDIgVRdLgaZ/LvlFkDzgmQl6eNvYSzhncmm+BB2Op3oILqIvlweywtvxAFcsqxg== X-Received: by 2002:a05:6a20:8f13:b0:15e:d84:1c5e with SMTP id b19-20020a056a208f1300b0015e0d841c5emr7397956pzk.38.1699565396450; Thu, 09 Nov 2023 13:29:56 -0800 (PST) Received: from localhost ([2620:10d:c090:400::4:7384]) by smtp.gmail.com with ESMTPSA id n7-20020a056a0007c700b006bdb0f011e2sm11192033pfu.123.2023.11.09.13.29.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Nov 2023 13:29:56 -0800 (PST) Sender: Tejun Heo Date: Thu, 9 Nov 2023 11:29:54 -1000 From: Tejun Heo To: Yafang Shao Cc: ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, lizefan.x@bytedance.com, hannes@cmpxchg.org, yosryahmed@google.com, mkoutny@suse.com, sinquersw@gmail.com, longman@redhat.com, cgroups@vger.kernel.org, bpf@vger.kernel.org, oliver.sang@intel.com Subject: Re: [PATCH v3 bpf-next 06/11] bpf: Add a new kfunc for cgroup1 hierarchy Message-ID: References: <20231029061438.4215-1-laoar.shao@gmail.com> <20231029061438.4215-7-laoar.shao@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231029061438.4215-7-laoar.shao@gmail.com> On Sun, Oct 29, 2023 at 06:14:33AM +0000, Yafang Shao wrote: > A new kfunc is added to acquire cgroup1 of a task: > > - bpf_task_get_cgroup1 > Acquires the associated cgroup of a task whithin a specific cgroup1 > hierarchy. The cgroup1 hierarchy is identified by its hierarchy ID. > > This new kfunc enables the tracing of tasks within a designated > container or cgroup directory in BPF programs. > > Suggested-by: Tejun Heo > Signed-off-by: Yafang Shao Acked-by: Tejun Heo Thanks. -- tejun