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

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To: Eduard Zingerman <eddyz87@xxxxxxxxx>
Subject: Re: [PATCH v2 19/25] netfs: Speed up buffered reading
From: David Howells <dhowells@xxxxxxxxxx>
Date: Mon, 30 Sep 2024 19:35:02 +0100
Cc: dhowells@xxxxxxxxxx, Leon Romanovsky <leon@xxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Manu Bretelle <chantr4@xxxxxxxxx>, asmadeus@xxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, christian@xxxxxxxxxx, ericvh@xxxxxxxxxx, hsiangkao@xxxxxxxxxxxxxxxxx, idryomov@xxxxxxxxx, jlayton@xxxxxxxxxx, linux-afs@xxxxxxxxxxxxxxxxxxx, linux-cifs@xxxxxxxxxxxxxxx, linux-erofs@xxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, marc.dionne@xxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, netfs@xxxxxxxxxxxxxxx, pc@xxxxxxxxxxxxx, smfrench@xxxxxxxxx, sprasad@xxxxxxxxxxxxx, tom@xxxxxxxxxx, v9fs@xxxxxxxxxxxxxxx, willy@xxxxxxxxxxxxx
In-reply-to: <423fbd9101dab18ba772f24db4ab2fecf5de2261.camel@gmail.com>
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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>

Eduard Zingerman <eddyz87@xxxxxxxxx> 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

Follow-Ups:
- Re: [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: Omar Sandoval

References:
- Re: [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: Eduard Zingerman
- Re: [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: David Howells
- Re: [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: Leon Romanovsky
- [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: Manu Bretelle
- [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: David Howells
- Re: [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: David Howells
- Re: [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: Eduard Zingerman
- Re: [PATCH v2 19/25] netfs: Speed up buffered reading
  - From: David Howells

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