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AJvYcCUWsnI922cLYWbO+yVrz200BB9HKW2/mz6ZIVntYg2hbejqH+txZeD3HpLr9Iq55/eSfOojPaF82g==@kvack.org X-Gm-Message-State: AOJu0YxXl0jFcp74A/li3jXG/6q5eHPVtqD9Uf7sdQXHbK+LS5AO9IM9 ie5Z2g9w2PrL0qYKoyRVSM8aW8Bb7JYHjTHOGff/WciMi2GuVopvrHZIFCfO X-Google-Smtp-Source: AGHT+IG97WQ0sKf6nP3kVcYM7xIWbrZHObvDCRA4X7I+pJRt7WQ0LRz1ytlfbrB+m9K1oZ0O2AT5Aw== X-Received: by 2002:a05:6a21:1690:b0:1cf:4422:d18b with SMTP id adf61e73a8af0-1d4fa694d0bmr5811129637.14.1727470512137; Fri, 27 Sep 2024 13:55:12 -0700 (PDT) Received: from [192.168.0.235] ([38.34.87.7]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71b26536b46sm2025461b3a.193.2024.09.27.13.55.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Sep 2024 13:55:11 -0700 (PDT) Message-ID: <55cef4bef5a14a70b97e104c4ddd8ef64430f168.camel@gmail.com> Subject: Re: [PATCH v2 19/25] netfs: Speed up buffered reading From: Eduard Zingerman To: David Howells , Manu Bretelle Cc: asmadeus@codewreck.org, ceph-devel@vger.kernel.org, christian@brauner.io, ericvh@kernel.org, hsiangkao@linux.alibaba.com, idryomov@gmail.com, jlayton@kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, marc.dionne@auristor.com, netdev@vger.kernel.org, netfs@lists.linux.dev, pc@manguebit.com, smfrench@gmail.com, sprasad@microsoft.com, tom@talpey.com, v9fs@lists.linux.dev, willy@infradead.org Date: Fri, 27 Sep 2024 13:55:06 -0700 In-Reply-To: <2663729.1727470216@warthog.procyon.org.uk> References: <20240923183432.1876750-1-chantr4@gmail.com> <20240814203850.2240469-20-dhowells@redhat.com> <2663729.1727470216@warthog.procyon.org.uk> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.4 (3.52.4-1.fc40) MIME-Version: 1.0 X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 9E09520003 X-Stat-Signature: eghuccke8hpi3o7dryxdexdx1hs73pdj X-Rspam-User: X-HE-Tag: 1727470513-856624 X-HE-Meta: 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 BYtGbdEl tF/1CwA4yNtqXyGuabZmVHZVzt47egxl7DLcwLuD7Skgos2vTXt1ORaHxYDh18WH04b8K1JH6VbpY2RAeD7Wlx68WF2EAxfIDlhjZIGTQm8jh31QXR/Mr1IvD5DCAsVoydtDvvXM++i2bFYHfimkdvwFjDYbruAM7KBX2lKqU9EJBgVpwabAJL6BcMqcQMHEBwiEllzRGUAHh7Kb/x8fveQUlYd+F6Us+aaiGaj9Qa8LWcwkITn7hfhCCuVbGGfwx9rTPPPkk66zwEfWG4vec5BX6UNR7NevvvfjdI5Q5HnH7SMB3ESg42CsFq0xFjNg6xDlsaJO37/fR+1HH9yvtRKf3v+3Tq5v53kztmZi1c9D7VdJ2JovArcJY3WFdkLzXhmwOLIEEWoZcBA0= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000426, 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 Fri, 2024-09-27 at 21:50 +0100, David Howells wrote: > Is it possible for you to turn on some tracepoints and access the traces? > Granted, you probably need to do the enablement during boot. Yes, sure, tell me what you need. Alternatively I can pack this thing in a dockerfile, so that you would be able to reproduce locally (but that would have to wait till my evening).