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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7EA29EC1120 for ; Mon, 23 Feb 2026 19:34:25 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E22936B0005; Mon, 23 Feb 2026 14:34:24 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DCD256B0089; Mon, 23 Feb 2026 14:34:24 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CDD6C6B008A; Mon, 23 Feb 2026 14:34:24 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id BB8766B0005 for ; Mon, 23 Feb 2026 14:34:24 -0500 (EST) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 930DD1B57F8 for ; Mon, 23 Feb 2026 19:34:24 +0000 (UTC) X-FDA: 84476722848.14.1075F20 Received: from out-179.mta0.migadu.com (out-179.mta0.migadu.com [91.218.175.179]) by imf03.hostedemail.com (Postfix) with ESMTP id D173020002 for ; Mon, 23 Feb 2026 19:34:22 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=Efc4suOe; spf=pass (imf03.hostedemail.com: domain of shakeel.butt@linux.dev designates 91.218.175.179 as permitted sender) smtp.mailfrom=shakeel.butt@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1771875263; h=from:from:sender: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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ankHr9tSJqIrETb5hcnz3SBlChL1ny9Cho/sWsrfPQs=; b=wVBtulGOYGQ8jmNR/z0aw+FavWI6rOVatk2OxDnPH0rqHnyWSY078Y8eiEAbFWw8k6I3KP 6iUn0Yd3KTLc1WlnK0dyrb/GVZif/CrT+MWpbZunRLDVlbCBGTe2revyTlLh4lF7uEj322 IQUSWdjKaFkZBBBvyCSSl/xxkyJ6+MA= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=Efc4suOe; spf=pass (imf03.hostedemail.com: domain of shakeel.butt@linux.dev designates 91.218.175.179 as permitted sender) smtp.mailfrom=shakeel.butt@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1771875263; a=rsa-sha256; cv=none; b=REFDhC9//ds57sFo6TwLCU8PgqlMq0TW3SJMZyMF9D7B6A27KuYjCEc/akLxQ8nUd1TgIu GKZ23xWiMSdvjAe6rqxB3gb/F7uuZkdAMtmQKrMsha4Pqtf5msDaia1/3UFoLiz3mK3JUx +8qQMCKzWdZORnODhRBt8XN/P6MSvHw= Date: Mon, 23 Feb 2026 11:34:16 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1771875261; 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: in-reply-to:in-reply-to:references:references; bh=ankHr9tSJqIrETb5hcnz3SBlChL1ny9Cho/sWsrfPQs=; b=Efc4suOe0fbcjO6Ps7x6R3IBLwx907NhPrC5I3eVGAIJbQ9hUTd5vRH2+zoNcMY5fSCNe5 AqyMkeEHd55XlQfztLlGIIiwrI8JDHQgdul1BkM3VL6JoGS1i/Hca+xcoI1nX0P9+mnFGe kNVvibBtIPzKJdGtwOv2UjrQIQN7Qu8= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Shakeel Butt To: Thomas Ballasi Cc: akpm@linux-foundation.org, axelrasmussen@google.com, david@kernel.org, hannes@cmpxchg.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com, mhiramat@kernel.org, mhocko@kernel.org, rostedt@goodmis.org, weixugc@google.com, yuanchu@google.com, zhengqi.arch@bytedance.com Subject: Re: [PATCH v7 2/3] mm: vmscan: add cgroup IDs to vmscan tracepoints Message-ID: References: <20260213181537.54350-1-tballasi@linux.microsoft.com> <20260223171544.4750-1-tballasi@linux.microsoft.com> <20260223171544.4750-3-tballasi@linux.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260223171544.4750-3-tballasi@linux.microsoft.com> X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam05 X-Rspam-User: X-Rspamd-Queue-Id: D173020002 X-Stat-Signature: 6a1fbybsc93um9s4zorpm87quaeenppn X-HE-Tag: 1771875262-988621 X-HE-Meta: U2FsdGVkX1+aAIFGwIiCVh0FOvx1nDJIJ69Jep16trOOYGYPmss4/m6+7hnOgS2clx1ahJCCMRTALxAPmEV7GRkuRQTogkvWRu48V6YZLs+C70G8QadKAlykc5JBg0mhYyH0Ccd3xckGnXv2mjBIHzz74ZdOK1uI5+fv1hsS0u7sKq27xTERJkWZTLZ6DhZ4NOv3QhODAoLX2e9mHuWgqoj6bkAQDXsG+DuupLqjPWutCDyoFimYG72XugOCIEgwxUo8ykvcG3ozxS5+iWV6vw/Yfyt2s+4uA7txEwBGRbj8PPZnuXzYxMUEt2XPDVmkhupr794lRZw24Y5RYE+qO03ZWh4AbUVo/RXgfJNSuMIxTT5wtavRH/MMSkP6M2dX1EAEZ2r5MY6EVWfrEpYoK7QHCTwalGLFO5BAJ38rH9pkK5aXjzSL1CMNc3ocMENvrE4ZP94VGQBAkYQq7gAMPv8BukW335A4Rf+BO4kGwx7azNSiDKhaqOCkISUqxK3QvyeBBDlpJw1WI45R9zEsNI+JuvFrvIlsfSFxbVKYb5U9Z+SxJrbK/1cLNpkXPkVO4oVrOxjYn9J+3s2/zu6Tk7J88DaFHR8DbMg1i8OaFge6OnObj0Bsa6K1/T5Yd/wTnX/Ml0UJcIVJ29JJjUUwoEsb15yYf5wZY86XCvYm1Zigm8vUdXiD3SQOzt1q9IDvqnuOizaFRXCtKVx+4Thk30dEZTZBSwkR8VhXyh/nc+djh6Co9+iV67DN4y/P30WIEX3Ggpc2ji+bsvTWTAPkat5y+w0Qj2FPqY9yK1q4D/xSTMpalrhY3WlF6/zgXFefonIYkiaOy2RrYOSQT0FGMAyvRVHODqVWsbwJmxK7zCBZbcbyl5s53E+MHROZLL50AxSy0ZnKdYihiwqHGX0mXKY5i1mdiMME8qMGlQiGMlWYtBksP0qVg5j2GcD1yZ5xAuJ0Y0C08vsrjBALXzn IHDOlHcN oTrYHvJM3MtgpVJVtF9wkY/UatwGRPSc02LkbwXgggVFkXl72aeKmfEEeC0lOGj79C/BDKF22tVE0+xgRXXptSs+AxEJpYYioNIeQPBlz/YeZWF7o4lwRkoAIjbwc0Zrp+pCBGfoK6SOyoBukn1lj2e5ofqmafsX+ussDQFxcHMZ235alZTZefinXUAO9O0Xc3ifTHQAm4wh5f8nfdVW03kX2a5N3J4WhN3AznWMVdNne8JE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Feb 23, 2026 at 09:15:43AM -0800, Thomas Ballasi wrote: > Memory reclaim events are currently difficult to attribute to > specific cgroups, making debugging memory pressure issues > challenging. This patch adds memory cgroup ID (memcg_id) to key > vmscan tracepoints to enable better correlation and analysis. > > For operations not associated with a specific cgroup, the field > is defaulted to 0. > > Signed-off-by: Thomas Ballasi Acked-by: Shakeel Butt