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From: Nikolay Borisov <nborisov@suse.com>
To: Josef Bacik <josef@toxicpanda.com>,
	linux-btrfs@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH v2 11/11] btrfs: add a trace class for dumping the current ENOSPC state
Date: Fri, 9 Oct 2020 12:50:27 +0300	[thread overview]
Message-ID: <610996c3-0e67-a9f1-6479-7db9c2058640@suse.com> (raw)
In-Reply-To: <1c3db31ef6d948a07236e63bc7b7b09f4671fbc5.1602189832.git.josef@toxicpanda.com>



On 8.10.20 г. 23:48 ч., Josef Bacik wrote:
> Often when I'm debugging ENOSPC related issues I have to resort to
> printing the entire ENOSPC state with trace_printk() in different spots.
> This gets pretty annoying, so add a trace state that does this for us.
> Then add a trace point at the end of preemptive flushing so you can see
> the state of the space_info when we decide to exit preemptive flushing.
> This helped me figure out we weren't kicking in the preemptive flushing
> soon enough.
> 
> Signed-off-by: Josef Bacik <josef@toxicpanda.com>

Reviewed-by: Nikolay Borisov <nborisov@suse.com>

  reply	other threads:[~2020-10-09  9:50 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-08 20:48 [PATCH v2 00/11] Improve preemptive ENOSPC flushing Josef Bacik
2020-10-08 20:48 ` [PATCH v2 01/11] btrfs: add a trace point for reserve tickets Josef Bacik
2020-10-09  7:20   ` Nikolay Borisov
2020-10-08 20:48 ` [PATCH v2 02/11] btrfs: track ordered bytes instead of just dio ordered bytes Josef Bacik
2020-10-09  7:25   ` Nikolay Borisov
2020-10-08 20:48 ` [PATCH v2 03/11] btrfs: introduce a FORCE_COMMIT_TRANS flush operation Josef Bacik
2020-10-08 20:48 ` [PATCH v2 04/11] btrfs: improve preemptive background space flushing Josef Bacik
2020-10-08 20:48 ` [PATCH v2 05/11] btrfs: rename need_do_async_reclaim Josef Bacik
2020-10-08 20:48 ` [PATCH v2 06/11] btrfs: check reclaim_size in need_preemptive_reclaim Josef Bacik
2020-10-08 20:48 ` [PATCH v2 07/11] btrfs: rework btrfs_calc_reclaim_metadata_size Josef Bacik
2020-10-09  9:53   ` Nikolay Borisov
2020-10-08 20:48 ` [PATCH v2 08/11] btrfs: simplify the logic in need_preemptive_flushing Josef Bacik
2020-10-08 20:48 ` [PATCH v2 09/11] btrfs: implement space clamping for preemptive flushing Josef Bacik
2020-10-09 12:22   ` Nikolay Borisov
2020-10-08 20:48 ` [PATCH v2 10/11] btrfs: adjust the flush trace point to include the source Josef Bacik
2020-10-08 20:48 ` [PATCH v2 11/11] btrfs: add a trace class for dumping the current ENOSPC state Josef Bacik
2020-10-09  9:50   ` Nikolay Borisov [this message]
2020-10-09 10:39 ` [PATCH v2 00/11] Improve preemptive ENOSPC flushing Nikolay Borisov

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