Re: [Kernel-packages] [Bug 1670726] [NEW] h-prod does not function across cores

2017-03-07 Thread Michael Hohnbaum
Leann, A kernel patch request from IBM. Michael On 03/07/2017 07:29 AM, Launchpad Bug Tracker wrote: > bugproxy (bugproxy) has assigned this bug to you for Ubuntu: > > There is a performance problem issue with h-prod. I can see that h-prod > calls are only waking hardware

[Kernel-packages] [Bug 1670726] [NEW] h-prod does not function across cores

2017-03-07 Thread bugproxy
Public bug reported: There is a performance problem issue with h-prod. I can see that h-prod calls are only waking hardware threads from a h-cede call when the caller is on the same core as the thread being awoken (sibling theads). For cross core prods the target thread remains in h-cede until

[Kernel-packages] [Bug 1670726] [NEW] h-prod does not function across cores

2017-03-07 Thread Launchpad Bug Tracker
You have been subscribed to a public bug: There is a performance problem issue with h-prod. I can see that h-prod calls are only waking hardware threads from a h-cede call when the caller is on the same core as the thread being awoken (sibling theads). For cross core prods the target thread