Re: [RFC v2 2/2] scsi: add rate limit to scsi sense code uevent

2017-06-08 Thread Song Liu
> On Jun 6, 2017, at 6:22 AM, Ewan D. Milne wrote: > > On Thu, 2017-05-18 at 11:14 -0700, Song Liu wrote: >> This patch adds rate limits to SCSI sense code uevets. Currently, >> the rate limit is hard-coded to 16 events per second. >> >> The code tracks nano second time of

Re: [RFC v2 2/2] scsi: add rate limit to scsi sense code uevent

2017-06-05 Thread Ewan D. Milne
On Thu, 2017-05-18 at 11:14 -0700, Song Liu wrote: > This patch adds rate limits to SCSI sense code uevets. Currently, > the rate limit is hard-coded to 16 events per second. > > The code tracks nano second time of latest 16 events in a circular > buffer. When a new event arrives, the time is

[RFC v2 2/2] scsi: add rate limit to scsi sense code uevent

2017-05-18 Thread Song Liu
This patch adds rate limits to SCSI sense code uevets. Currently, the rate limit is hard-coded to 16 events per second. The code tracks nano second time of latest 16 events in a circular buffer. When a new event arrives, the time is compared against the latest time in the buffer. If the