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| author | Jeff Layton <jlayton@kernel.org> | 2024-10-02 17:27:22 -0400 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-10-10 10:20:52 +0200 |
| commit | 73a47cf40f84312cb6ea2b3583825d671930b24f (patch) | |
| tree | e1442b57c7092ef81d34685132a7543ea1d45041 /tools/perf/scripts/python/task-analyzer.py | |
| parent | c86e3c47187ad7fa17f8533a4142453991684b46 (diff) | |
fs: add percpu counters for significant multigrain timestamp events
New percpu counters for counting various stats around multigrain
timestamp events, and a new debugfs file for displaying them when
CONFIG_DEBUG_FS is enabled:
- number of attempted ctime updates
- number of successful i_ctime_nsec swaps
- number of fine-grained timestamp fetches
- number of floor value swap events
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # documentation bits
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20241002-mgtime-v10-7-d1c4717f5284@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions