linux-kernel - Re: [PATCH v2 19/25] netfs: Speed up buffered reading

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Message-ID: <3007428.1727721302@warthog.procyon.org.uk>
Date: Mon, 30 Sep 2024 19:35:02 +0100
From: David Howells <dhowells@...hat.com>
To: Eduard Zingerman <eddyz87@...il.com>
Cc: dhowells@...hat.com, Leon Romanovsky <leon@...nel.org>,
    Christian Brauner <brauner@...nel.org>,
    Manu Bretelle <chantr4@...il.com>, asmadeus@...ewreck.org,
    ceph-devel@...r.kernel.org, christian@...uner.io, ericvh@...nel.org,
    hsiangkao@...ux.alibaba.com, idryomov@...il.com, jlayton@...nel.org,
    linux-afs@...ts.infradead.org, linux-cifs@...r.kernel.org,
    linux-erofs@...ts.ozlabs.org, linux-fsdevel@...r.kernel.org,
    linux-kernel@...r.kernel.org, linux-mm@...ck.org,
    linux-nfs@...r.kernel.org, marc.dionne@...istor.com,
    netdev@...r.kernel.org, netfs@...ts.linux.dev, pc@...guebit.com,
    smfrench@...il.com, sprasad@...rosoft.com, tom@...pey.com,
    v9fs@...ts.linux.dev, willy@...radead.org
Subject: Re: [PATCH v2 19/25] netfs: Speed up buffered reading

Eduard Zingerman <eddyz87@...il.com> 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