The following new provile events had been added:
- FileSync - Number of times the F_FULLFSYNC/fsync/fdatasync function was called for files.
- DirectorySync - Number of times the F_FULLFSYNC/fsync/fdatasync function was called for directories.
- FileSyncElapsedMicroseconds - Total time spent waiting for F_FULLFSYNC/fsync/fdatasync syscall for files.
- DirectorySyncElapsedMicroseconds - Total time spent waiting for F_FULLFSYNC/fsync/fdatasync syscall for directories.
v2: rewrite test to sh with retries
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>