Re: [PATCH V2 4/4] scsi: ufs-debugfs: Add user-defined exception event rate limiting

Bean Huo
2021-02-15T17:41:51Z

On Tue, 2021-02-09 at 08:24 +0200, Adrian Hunter wrote:
> An enabled user-specified exception event that does not clear quickly
> will
> repeatedly cause the handler to run. That could unduly disturb the
> driver
> behaviour being tested or debugged. To prevent that add debugfs file
> exception_event_rate_limit_ms. When a exception event happens, it is
> disabled, and then after a period of time (default 20ms) the
> exception
> event is enabled again.
>
> Note that if the driver also has that exception event enabled, it
> will not
> be disabled.
>
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Bean Huo <beanhuo@micron.com>