Re: [9fans] Interrupt saturation

2010-03-01 Thread lucio
> do you suspect the interrupt load is a problem, or > are you just bothered by stats? The latter, I replaced the workstation hardware bacause of a power supply fan failure and the most noticeable difference was stats' behaviour. In passing, has anyone looked at fixing the uneven width of the las

Re: [9fans] Interrupt saturation

2010-03-01 Thread erik quanstrom
> > looks like you just have HZ set to 1000. > > stats isn't counting on that. > > > How does one change that? i wouldn't suspect that one would want to. the higher clock rate allows more precise scheduling. the extra overhead should be unnoticable on a 2.6ghz processor, except via stats. > >

Re: [9fans] Interrupt saturation

2010-03-01 Thread lucio
> my machine has been up for 90+ days. > That sure makes a difference :-) > looks like you just have HZ set to 1000. > stats isn't counting on that. > How does one change that? > also, 113 ethernet interrupts/sec is a pretty > good clip. Yes, that's also a bit steep. Intel chip, maybe I shou

Re: [9fans] Interrupt saturation

2010-03-01 Thread erik quanstrom
On Mon Mar 1 12:53:59 EST 2010, lu...@proxima.alt.za wrote: > > workstation only? I.e. it is not running venti? > > Thanks for the chance to follow up. I implemented quanstro's > enhancement to /proc, and this is what I get right now, some > twenty-four hours after starting up: > > 50

Re: [9fans] Interrupt saturation

2010-03-01 Thread lucio
> workstation only? I.e. it is not running venti? Thanks for the chance to follow up. I implemented quanstro's enhancement to /proc, and this is what I get right now, some twenty-four hours after starting up: 3 00 debugpt 7 0

Re: [9fans] Interrupt saturation

2010-02-28 Thread ron minnich
On Sun, Feb 28, 2010 at 1:55 AM, wrote: > The workstation I'm using presently seems to trigger as many > interrupts as stats(1) can display, while the syscall graph is also > extremely busy. workstation only? I.e. it is not running venti? ron

Re: [9fans] Interrupt saturation

2010-02-28 Thread erik quanstrom
On Sun Feb 28 04:57:09 EST 2010, lu...@proxima.alt.za wrote: > The workstation I'm using presently seems to trigger as many > interrupts as stats(1) can display, while the syscall graph is also > extremely busy. > > I presume this is anomalous. Killing the single instance of > timesync(1) does no