Re: [PATCH 0/7] psi: pressure stall information for CPU, memory, and IO

2018-05-14 Thread Christopher Lameter
On Mon, 14 May 2018, Johannes Weiner wrote: > Since I'm using the same model and infrastructure for memory and IO > load as well, IMO it makes more sense to present them in a coherent > interface instead of trying to retrofit and change the loadavg file, > which might not even be possible. Well

Re: [PATCH 0/7] psi: pressure stall information for CPU, memory, and IO

2018-05-14 Thread Christopher Lameter
On Mon, 7 May 2018, Johannes Weiner wrote: > What to make of this number? If CPU utilization is at 100% and CPU > pressure is 0, it means the system is perfectly utilized, with one > runnable thread per CPU and nobody waiting. At two or more runnable > tasks per CPU, the system is 100%

Re: [PATCH 00/24] InfiniBand Transport (IBTRS) and Network Block Device (IBNBD)

2018-02-07 Thread Christopher Lameter
On Mon, 5 Feb 2018, Bart Van Assche wrote: > That approach may work well for your employer but sorry I don't think this is > sufficient for an upstream driver. I think that most users who configure a > network storage target expect full control over which storage devices are > exported > and