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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9996EC61D9C for ; Wed, 22 Nov 2023 10:02:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 22FA66B05DC; Wed, 22 Nov 2023 05:02:10 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 1DF926B05DD; Wed, 22 Nov 2023 05:02:10 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0CE776B05DE; Wed, 22 Nov 2023 05:02:10 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 00A606B05DC for ; Wed, 22 Nov 2023 05:02:09 -0500 (EST) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id C6D8340678 for ; Wed, 22 Nov 2023 10:02:09 +0000 (UTC) X-FDA: 81485149578.17.6E4F523 Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) by imf02.hostedemail.com (Postfix) with ESMTP id 6D9248002A for ; Wed, 22 Nov 2023 10:02:06 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=salutedevices.com header.s=mail header.b=LZNLlc5d; dmarc=pass (policy=quarantine) header.from=salutedevices.com; spf=pass (imf02.hostedemail.com: domain of ddrokosov@salutedevices.com designates 37.18.73.165 as permitted sender) smtp.mailfrom=ddrokosov@salutedevices.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1700647327; 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:content-transfer-encoding:in-reply-to: references:dkim-signature; bh=n8qpJm5BdFlE5bE6a2wtkfW484J73eK792NGWVHcjvw=; b=VJmmwjzutjrMWfP8VaGPWiM/PdmYgRbjrvNrEsyjpIY41w2HNOGJtxBu1qrlFm2KmPm3pZ oWboZDBu0aBm1r9MQJdtmzpk+f2GblQjk8O/jDErMa73+5bkAZlREPQ7ogXTlTOJ/rMIxU q9Ebd/krAetrq2INzCHqt7pcVf4KtuQ= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=pass header.d=salutedevices.com header.s=mail header.b=LZNLlc5d; dmarc=pass (policy=quarantine) header.from=salutedevices.com; spf=pass (imf02.hostedemail.com: domain of ddrokosov@salutedevices.com designates 37.18.73.165 as permitted sender) smtp.mailfrom=ddrokosov@salutedevices.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1700647327; a=rsa-sha256; cv=none; b=0/wEbWxJuAQvbcHwRrXSFPmaQgfkCTtuVXcb1X6KCo/v5X3JFNvDa1EekOF23OOCV9rM1a WjoMcxhiiUrRD94eUky/+VqFo00JJ0jObuFz5+HbHzaDr/npKSCK/i4+rJog/unr9ibbCW m1cItGfvfkOwIod+3nZSLkesid8sg40= Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 21E6C100070; Wed, 22 Nov 2023 13:02:04 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 21E6C100070 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1700647324; bh=n8qpJm5BdFlE5bE6a2wtkfW484J73eK792NGWVHcjvw=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=LZNLlc5d9qKjEtb+VsU665EYUwDs/n5OeqAI5+ODt0sf73nqsvqkGFz7vtiQSRjo4 0PGNwFB4bsnRhe/wHP0zdxWIxV0bwKz3G/XgV319n90HqPnffUrfopDqHmVjbx8AKt CljJ1W10VAeGHeQmlzeSFouW5A+CLy9IFDCkswLC+m9isY+LCont5xGVIout7ZiQQr gc8XAxs2s/BRmiCBD3YFuKf1MUosK+R2X9TyIGTdWYMBx9liEbo6BjFKIEgc6bqziK 596m37w1mVJ3RntolPcc0nyFnaIHDyzknlAJP2//2y45gZIopJDMsUStQi0uyUTcRa dp7q+D+dgnzcQ== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Wed, 22 Nov 2023 13:02:03 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 22 Nov 2023 13:02:03 +0300 From: Dmitry Rokosov To: , , , , , , , CC: , , , , , , Dmitry Rokosov Subject: [PATCH v2 0/2] mm: memcg: improve vmscan tracepoints Date: Wed, 22 Nov 2023 13:01:54 +0300 Message-ID: <20231122100156.6568-1-ddrokosov@salutedevices.com> X-Mailer: git-send-email 2.36.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 181524 [Nov 22 2023] X-KSMG-AntiSpam-Version: 6.0.0.2 X-KSMG-AntiSpam-Envelope-From: ddrokosov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 3 0.3.3 e5c6a18a9a9bff0226d530c5b790210c0bd117c8, {Tracking_uf_ne_domains}, {Tracking_from_domain_doesnt_match_to}, salutedevices.com:7.1.1;lore.kernel.org:7.1.1;127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1;100.64.160.123:7.1.2, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean, bases: 2023/11/22 07:49:00 X-KSMG-LinksScanning: Clean, bases: 2023/11/22 05:56:00 X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/11/22 05:48:00 #22499758 X-KSMG-AntiVirus-Status: Clean, skipped X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 6D9248002A X-Stat-Signature: pnk3yih4df6cd48egnkfejhag9hckbc7 X-HE-Tag: 1700647326-400996 X-HE-Meta: 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 pAHk5zE2 7g2BaO14hTlh4rfoFYc5HsVnyanMSduy1xh9+xBa4zN+GXCJM3DQ9n7U0BP/ROK+Q4zTPqqWnjO1eFPo8FIHcVm0dVNJOFC6ML4CVqA6u/rf0vwuGeUjQ0c+yLeffSbpynCcnxlaRI9bf0Rv7Qu6bBtMIGmzFWFIeLAkQOTbXgoEy417c1MHID6pdUEvlMqtpivviZ9aEWK6BZFaNxJqrzp+SLor9xUzOuegZ9LumwcSwsQqh8clIlGv+29w21SexUN5zCnx7/hGMiKjVf7BhCJXRoy0uweVZ+KKlWplSP4dNi+0yD5JskFkf4CarU9P8wz304oHSlZOeyruMdVJKiEY3BGgx+S25FZ8ifU/fPpew5/GyguZyHzxp/w3SIzhTDwYS0ksOtgCK7V7F98fvL0hjgA8oH03x21syez9EL7aDQNA= 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: The motivation behind this commit is to enhance the traceability and understanding of memcg events. By integrating the function cgroup_name() into the existing memcg tracepoints, this patch series introduces a new tracepoint template for the begin() and end() events. It utilizes a static __array() to store the cgroup name, enabling developers to easily identify the cgroup associated with a specific memcg tracepoint event. Additionally, this patch series introduces new shrink_memcg tracepoints to facilitate non-direct memcg reclaim tracing and debugging. Changes v2 since v1 at [1]: - change the position of the "memcg" parameter to ensure backward compatibility with userspace tools that use memcg tracepoints - add additional CONFIG_MEMCG ifdefs to prevent the use of memcg tracepoints when memcg is disabled Links: [1] https://lore.kernel.org/all/20231101102837.25205-1-ddrokosov@salutedevices.com/ Dmitry Rokosov (2): mm: memcg: print out cgroup name in the memcg tracepoints mm: memcg: introduce new event to trace shrink_memcg include/trace/events/vmscan.h | 91 ++++++++++++++++++++++++++++++----- mm/vmscan.c | 21 ++++++-- 2 files changed, 95 insertions(+), 17 deletions(-) -- 2.36.0