Theodore Ts'o 9fff24aa2c jbd2: track request delay statistics ...

Track the delay between when we first request that the commit begin
and when it actually begins, so we can see how much of a gap exists.
In theory, this should just be the remaining scheduling quantuum of
the thread which requested the commit (assuming it was not a
synchronous operation which triggered the commit request) plus
scheduling overhead; however, it's possible that real time processes
might get in the way of letting the kjournald thread from executing.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

2013-02-06 22:30:23 -05:00

..

checkpoint.c

jbd2: remove bh_state lock from checkpointing code

2012-03-13 22:45:25 -04:00

commit.c

jbd2: track request delay statistics

2013-02-06 22:30:23 -05:00

journal.c

jbd2: track request delay statistics

2013-02-06 22:30:23 -05:00

Kconfig

jbd2: Grab a reference to the crc32c driver if necessary

2012-05-27 07:50:56 -04:00

Makefile

…

recovery.c

jbd2: check return value of blkdev_issue_flush()

2012-08-17 09:56:17 -04:00

revoke.c

jbd2: checksum revocation blocks

2012-05-27 08:08:24 -04:00

transaction.c

jbd2: track request delay statistics

2013-02-06 22:30:23 -05:00