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b=h/Y4OL1cj2+uFZ5n1C6kQS9s+UmO7hoHoXXkgIHzwkAg3Dt7qHVBQ+odYU1zso4/b xJldyr2ddaaABjT/Xw/kdJDHRp/W21qlHPO9vFl11JHiSaDxQ/WFmpRdzboQjTxoMI gBGafiq3bJ5CLI55TgteCqfwhqNw76KIRkHbwutjM/AGnbZVJkWNUgAxHZsSJz4kP0 2NMlAsn2H4dZbkppqWlHgl81FLSH5iAj2CRhGgHi3iqmCWrhr0WvHiG/nWYJXOuUpe wU6Kth/q+Pxxg9UYTm5vPAgu2DuJmwqlAJmm6jKOjN++jPS/7n9cXpAPG5JzNrDtgJ XJDuEvC3iTo/g== 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, 1 Nov 2023 13:28:48 +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 15.2.1118.37; Wed, 1 Nov 2023 13:28:48 +0300 From: Dmitry Rokosov To: , , , , , , , CC: , , , , , , Dmitry Rokosov Subject: [PATCH v1 0/2] mm: memcg: improve vmscan tracepoints Date: Wed, 1 Nov 2023 13:28:35 +0300 Message-ID: <20231101102837.25205-1-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: 181040 [Nov 01 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: 543 543 1e3516af5cdd92079dfeb0e292c8747a62cb1ee4, {Tracking_from_domain_doesnt_match_to}, 100.64.160.123:7.1.2;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;127.0.0.199:7.1.2;salutedevices.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/11/01 06:18:00 #22376334 X-KSMG-AntiVirus-Status: Clean, skipped X-Rspamd-Queue-Id: 0CD0610000B X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: cjrobm5bnfsa8opidmjd8tsmhgkbb43c X-HE-Tag: 1698834531-191696 X-HE-Meta: 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 r1XvRLkk snujCV25dyhPA4qNBPFhDJdhrryZJSeXQXKNL5OrAb7Iaebq49LLtW/m11p1yK3CcfZJ4gaAgptZPp6LqtfyhMDYw6sOmUmHQ8eLFMthmGiBqIV53LGoPl5/agzRfzP+fTrLEajYtDigbH0UEuOa7vSeGmqqb+aAvaKWjzAgrRmxOP32eVB81tlun/pfeHYsi9tky6ls2VdRv2mDCvEoQky/pH+mvnp6rjTQdNAZ87jjUGao3a/zKm5DtaEVxja9jHmFcgs1GKGyWr3i9Ko5as3VNgUF5fzMjE40N81VuUen3ky8q+iXIozDQEG54pma9S6rMP82pYGUeK2/LVseXHVrrTKTELElMmZsncPdVKsra1ak= 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: From: Dmitry Rokosov 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. 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 | 15 ++++-- 2 files changed, 90 insertions(+), 16 deletions(-) -- 2.25.1