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| author |   Shuoran Liu <liushuoran@huawei.com> | 2016-01-27 09:57:30 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2016-02-22 16:07:23 -0800 |
| commit | 8f1dbbbbdfe9bada7e2f8041e07c6373f787c043 (patch) | |
| tree | 25fb006ca5bc2f960722210241c0f9e14af9c0d1 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | f2fs: give scheduling point in shrinking path (diff) | |
| download | linux-dev-8f1dbbbbdfe9bada7e2f8041e07c6373f787c043.tar.xz linux-dev-8f1dbbbbdfe9bada7e2f8041e07c6373f787c043.zip | |
f2fs: introduce lifetime write IO statistics
This patch introduces lifetime IO write statistics exposed to the sysfs interface.
The write IO amount is obtained from block layer, accumulated in the file system and
stored in the hot node summary of checkpoint.
Signed-off-by: Shuoran Liu <liushuoran@huawei.com>
Signed-off-by: Pengyang Hou <houpengyang@huawei.com>
[Jaegeuk Kim: add sysfs documentation]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions