From: David Sterba <dsterba@suse.cz>
To: Mateusz Guzik <mjguzik@gmail.com>
Cc: brauner@kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-btrfs@vger.kernel.org, josef@toxicpanda.com,
hch@infradead.org
Subject: Re: [PATCH v4 2/2] btrfs: use iget5_locked_rcu
Date: Wed, 12 Jun 2024 20:33:29 +0200 [thread overview]
Message-ID: <20240612183329.GI18508@twin.jikos.cz> (raw)
In-Reply-To: <20240611173824.535995-3-mjguzik@gmail.com>
On Tue, Jun 11, 2024 at 07:38:23PM +0200, Mateusz Guzik wrote:
> With 20 threads each walking a dedicated 1000 dirs * 1000 files
> directory tree to stat(2) on a 32 core + 24GB ram vm:
>
> before: 3.54s user 892.30s system 1966% cpu 45.549 total
> after: 3.28s user 738.66s system 1955% cpu 37.932 total (-16.7%)
>
> Benchmark can be found here: https://people.freebsd.org/~mjg/fstree.tgz
>
> Reviewed-by: Josef Bacik <josef@toxicpanda.com>
> Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Acked-by: David Sterba <dsterba@suse.com>
next prev parent reply other threads:[~2024-06-12 18:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-11 17:38 [PATCH v4 0/2] rcu-based inode lookup for iget* Mateusz Guzik
2024-06-11 17:38 ` [PATCH v4 1/2] vfs: add rcu-based find_inode variants for iget ops Mateusz Guzik
2024-06-13 14:40 ` Jan Kara
2024-06-11 17:38 ` [PATCH v4 2/2] btrfs: use iget5_locked_rcu Mateusz Guzik
2024-06-12 18:33 ` David Sterba [this message]
2024-06-12 12:08 ` [PATCH v4 0/2] rcu-based inode lookup for iget* Christian Brauner
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