Re: [Query] increased latency observed in cpu hotplug path

2016-09-22 Thread Khan, Imran
On 9/21/2016 9:26 PM, Akinobu Mita wrote: > 2016-09-21 23:06 GMT+09:00 Khan, Imran : > commit 084ee793ec1ff4e2171b481642bfbdaa2e10664c Author: Imran Khan Date: Thu Sep 15 16:44:02 2016 +0530 blk-mq: use static mapping blk-mq layer performs a remapping

Re: [Query] increased latency observed in cpu hotplug path

2016-08-17 Thread Khan, Imran
On 8/16/2016 11:23 AM, Khan, Imran wrote: > On 8/5/2016 12:49 PM, Khan, Imran wrote: >> On 8/1/2016 2:58 PM, Khan, Imran wrote: >>> On 7/30/2016 7:54 AM, Akinobu Mita wrote: 2016-07-28 22:18 GMT+09:00 Khan, Imran : > > Hi, > > Recently we have observed some increased latency in

Re: [Query] increased latency observed in cpu hotplug path

2016-08-15 Thread Khan, Imran
On 8/5/2016 12:49 PM, Khan, Imran wrote: > On 8/1/2016 2:58 PM, Khan, Imran wrote: >> On 7/30/2016 7:54 AM, Akinobu Mita wrote: >>> 2016-07-28 22:18 GMT+09:00 Khan, Imran : Hi, Recently we have observed some increased latency in CPU hotplug event in CPU online path. For onl

Re: [Query] increased latency observed in cpu hotplug path

2016-08-05 Thread Khan, Imran
On 8/1/2016 2:58 PM, Khan, Imran wrote: > On 7/30/2016 7:54 AM, Akinobu Mita wrote: >> 2016-07-28 22:18 GMT+09:00 Khan, Imran : >>> >>> Hi, >>> >>> Recently we have observed some increased latency in CPU hotplug >>> event in CPU online path. For online latency we see that block >>> layer is executi

Re: [Query] increased latency observed in cpu hotplug path

2016-08-01 Thread Khan, Imran
On 7/30/2016 7:54 AM, Akinobu Mita wrote: > 2016-07-28 22:18 GMT+09:00 Khan, Imran : >> >> Hi, >> >> Recently we have observed some increased latency in CPU hotplug >> event in CPU online path. For online latency we see that block >> layer is executing notification handler for CPU_UP_PREPARE event