linux-kernel - [PATCHv3 00/10] ext4: Improve FC trace events

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Date:   Sat, 12 Mar 2022 11:09:45 +0530
From:   Ritesh Harjani <riteshh@...ux.ibm.com>
To:     linux-ext4@...r.kernel.org
Cc:     Jan Kara <jack@...e.cz>, "Theodore Ts'o" <tytso@....edu>,
        Harshad Shirwadkar <harshadshirwadkar@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ritesh Harjani <riteshh@...ux.ibm.com>
Subject: [PATCHv3 00/10] ext4: Improve FC trace events

Hello,

Please find the v3 of this patch series. I have included Reviewed-by tag
on all patches, except in [5-7] which were later added to address review
comments from Jan [1].

Changes since v2
================
v2 -> v3
1. Defined TRACE_DEFINE_ENUM(EXT4_FC_REASON_MAX) in [Patch 02/10]


Changes since RFC
================
RFC -> v2
1. Added new patch-5 ("ext4: Return early for non-eligible fast_commit track events")
2. Removed a trace event in ext4_fc_track_template() (which was added in RFC)
   from patch-6 and added patch-7 to add the tid info in callers of
   ext4_fc_track_template(). (As per review comments from Jan)


Testing
=========
Tested this with xfstests -g "quick"

Thanks again to Jan, Harshad for helping with reviews and Steve for helping with
TRACE_DEFINE_ENUM part in kernel trace events.


[RFC]: https://lore.kernel.org/linux-ext4/cover.1645558375.git.riteshh@linux.ibm.com/
[v2]: https://lore.kernel.org/linux-ext4/cover.1646922487.git.riteshh@linux.ibm.com/
[1]: https://lore.kernel.org/linux-ext4/20220223115313.3s73bu7p454bodvl@quack3.lan/

Ritesh Harjani (10):
  ext4: Remove unused enum EXT4_FC_COMMIT_FAILED
  ext4: Fix ext4_fc_stats trace point
  ext4: Convert ext4_fc_track_dentry type events to use event class
  ext4: Do not call FC trace event in ext4_fc_commit() if FS does not support FC
  ext4: Return early for non-eligible fast_commit track events
  ext4: Add new trace event in ext4_fc_cleanup
  ext4: Add transaction tid info in fc_track events
  ext4: Add commit_tid info in jbd debug log
  ext4: Add commit tid info in ext4_fc_commit_start/stop trace events
  ext4: Fix remaining two trace events to use same printk convention

 fs/ext4/fast_commit.c       |  95 ++++++++----
 fs/ext4/fast_commit.h       |   1 -
 include/trace/events/ext4.h | 298 +++++++++++++++++++++++-------------
 3 files changed, 258 insertions(+), 136 deletions(-)

--
2.31.1