Ulrich Windl wrote: > On 19 Nov 2009 at 11:07, Erez Zilber wrote: > >> On Thu, Nov 19, 2009 at 9:38 AM, Ulrich Windl >> <ulrich.wi...@rz.uni-regensburg.de> wrote: >>> Hi! >>> >>> Wouldn't it be more obvious to calculate the average delay to a ping >>> request? >>> (Possibly exponential average as for the system loads) (min and Max would >>> be good >>> as well, but standard deviation probably requires use of the FPU, so that's >>> not >>> possible in kernel modules (AFAIK)). >> It's in userspace, so (almost) everything is possible. It's nice to >> have counters, average delay etc, but I want to be able to know >> exactly when bad things almost happened (i.e. timeout almost expired). >> Counters/average delay will not help me. > > I thought you want to tune the timeouts. So if properly tuned, the kernel > will log > when when your measurements are unusual (i.e. timeout exceeded). >
I think that is what I wanted. I think Erez wants something a little different, right Erez? > So what yyou really want to have (it seems) is not just a histogram of > timeouts, > but a history over time as well. > > Ulrich > > -- > > You received this message because you are subscribed to the Google Groups > "open-iscsi" group. > To post to this group, send email to open-is...@googlegroups.com. > To unsubscribe from this group, send email to > open-iscsi+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/open-iscsi?hl=. > > -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-is...@googlegroups.com. To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=.
