lkml.org 
[lkml]   [2019]   [Sep]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/3 for-5.4/block] iocost: better trace vrate changes
From
Date
On 9/26/19 1:02 AM, Tejun Heo wrote:
> vrate_adj tracepoint traces vrate changes; however, it does so only
> when busy_level is non-zero. busy_level turning to zero can sometimes
> be as interesting an event. This patch also enables vrate_adj
> tracepoint on other vrate related events - busy_level changes and
> non-zero nr_lagging.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> ---
> Hello, Jens.
>
> I've encountered vrate regulation issues while testing on a hard disk
> machine. These are three patches to improve vrate adj visibility and
> fix the issue.

Applied 1-3 for 5.4, thanks Tejun.

--
Jens Axboe

\
 
 \ /
  Last update: 2019-09-26 09:13    [W:0.030 / U:21.744 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site