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| author |   Darrick J. Wong <darrick.wong@oracle.com> | 2016-06-21 11:53:28 +1000 |
|---|---|---|
| committer |   Dave Chinner <david@fromorbit.com> | 2016-06-21 11:53:28 +1000 |
| commit | 479c641273df632478cda7fe76b833df64e319bc (patch) | |
| tree | fcfade01ced0f2aab76e3366aaba93ad3d574acc /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | xfs: check offsets of variable length structures (diff) | |
| download | wireguard-linux-479c641273df632478cda7fe76b833df64e319bc.tar.xz wireguard-linux-479c641273df632478cda7fe76b833df64e319bc.zip | |
xfs: enable buffer deadlock postmortem diagnosis via ftrace
Create a second buf_trylock tracepoint so that we can distinguish
between a successful and a failed trylock. With this piece, we can
use a script to look at the ftrace output to detect buffer deadlocks.
[dchinner: update to if/else as per hch's suggestion]
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions