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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08BBAC433EF for ; Fri, 19 Nov 2021 17:22:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E22A561A62 for ; Fri, 19 Nov 2021 17:22:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236592AbhKSRZ5 (ORCPT ); Fri, 19 Nov 2021 12:25:57 -0500 Received: from mail.kernel.org ([198.145.29.99]:57996 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236159AbhKSRZ5 (ORCPT ); Fri, 19 Nov 2021 12:25:57 -0500 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AE66561A89; Fri, 19 Nov 2021 17:22:53 +0000 (UTC) Date: Fri, 19 Nov 2021 12:22:52 -0500 From: Steven Rostedt To: Yordan Karadzhov Cc: James Bottomley , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk, mingo@redhat.com, hagen@jauu.net, rppt@kernel.org, akpm@linux-foundation.org, vvs@virtuozzo.com, shakeelb@google.com, christian.brauner@ubuntu.com, mkoutny@suse.com, Linux Containers , "Eric W. Biederman" Subject: Re: [RFC PATCH 0/4] namespacefs: Proof-of-Concept Message-ID: <20211119122252.2eca350a@gandalf.local.home> In-Reply-To: References: <20211118181210.281359-1-y.karadz@gmail.com> <87a6i1xpis.fsf@email.froward.int.ebiederm.org> <20211118142440.31da20b3@gandalf.local.home> <1349346e1d5daca991724603d1495ec311cac058.camel@HansenPartnership.com> <20211119092758.1012073e@gandalf.local.home> <47bf8da26b5ec71f98b9bc736dbca2d8277417f2.camel@HansenPartnership.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 19 Nov 2021 19:14:08 +0200 Yordan Karadzhov wrote: > And you need to add just few more lines of code > in order to make it start tracing a selected container. I would like to add that this is not just about tracing a single container, but could be tracing several containers and seeing how they interact, and analyze the contention between them on shared resources. Just to name an example of what could be done. -- Steve