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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <423fbd9101dab18ba772f24db4ab2fecf5de2261.camel@gmail.com> References: <423fbd9101dab18ba772f24db4ab2fecf5de2261.camel@gmail.com> <2968940.1727700270@warthog.procyon.org.uk> <20240925103118.GE967758@unreal> <20240923183432.1876750-1-chantr4@gmail.com> <20240814203850.2240469-20-dhowells@redhat.com> <1279816.1727220013@warthog.procyon.org.uk> <4b5621958a758da830c1cf09c6f6893aed371f9d.camel@gmail.com> <2969660.1727700717@warthog.procyon.org.uk> To: Eduard Zingerman Cc: dhowells@redhat.com, Leon Romanovsky , Christian Brauner , Manu Bretelle , 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 Subject: Re: [PATCH v2 19/25] netfs: Speed up buffered reading MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3007427.1727721302.1@warthog.procyon.org.uk> Date: Mon, 30 Sep 2024 19:35:02 +0100 Message-ID: <3007428.1727721302@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 X-Rspam-User: X-Rspamd-Queue-Id: DF994A0011 X-Rspamd-Server: rspam01 X-Stat-Signature: gaz6jwns9uenqzez7cikecgf3k33i1kx X-HE-Tag: 1727721318-266237 X-HE-Meta: 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 VTiwSGbA j6UrDtvv9W0dQR43vwrd+s3dxq71HrS2DvVEH+d+ROHpKfL+Nj2lpZt+B9ZR1IX7ZfYecQDkgmzDLRqOW2vL2SlOM2kjJe/dO7kgWCX5A6xRsPtjp6nL98LDmf9KPFCTzkoWWfbT4LFAy0PZMsfCrpb+L4cyoIXJEbGc1PSN1Xy5Myo62AHPO3nv788ApMfnWnPKJDkcLgqra4fiaaaFta4/CebC64jzAwEMhIXgFFqUAAVic83YILcV5FlBwjidgdjrH0M25I4TV7mQbe7za0+mO7yRyrZ4mdrNTzet7qgdQKckt4+dakXJcxpmW98tJ9Kox5BlhkLtuPNACbKlRkFY4864gxqQrxoMp X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Eduard Zingerman wrote: > Are there any hacks possible to printout tracelog before complete boot > somehow? You could try setting CONFIG_NETFS_DEBUG=y. That'll print some stuff to dmesg. David