Re: fastboot, diskstat

2005-07-22 Thread Diego Calleja
El Fri, 22 Jul 2005 00:16:38 -0700, Andre Eisenbach <[EMAIL PROTECTED]> escribió: > So checkout initng for your tests. It's a highly parallelized init > system which seriously speeds up boot. It also keeps the disks much > busier during boot and might help your testing. > > Initng: >

Re: fastboot, diskstat

2005-07-22 Thread Jan Engelhardt
>> I'm currently at OLS and presented http://ds9a.nl/diskstat yesterday, which >> also references your ancient 'fboot' program. > >So checkout initng for your tests. It's a highly parallelized init >system which seriously speeds up boot. It also keeps the disks much >busier during boot and might

Re: fastboot, diskstat

2005-07-22 Thread Lincoln Dale
Avi Kivity wrote: parallelized initscripts will probably defeat this, though. put all run-once-but-never-run-again scripts into initrd / initramfs? boot into a suspend-to-disk image? i still see the real solution at least for "desktop" machines is to minimize the sheer amount of stuff

Re: fastboot, diskstat

2005-07-22 Thread Andre Eisenbach
2005/7/21, bert hubert <[EMAIL PROTECTED]>: > I'm currently at OLS and presented http://ds9a.nl/diskstat yesterday, which > also references your ancient 'fboot' program. Bert, ever so slightly off topic, but you mentioned parallelized startup in your slides... So checkout initng for your tests.

Re: fastboot, diskstat

2005-07-22 Thread Avi Kivity
Andrew Morton wrote: The above data is enough for performing a crude preload: a) Boot the machine b) Boost the disk queue size, set the VFS readahead to zero, open /dev/hda1 and all the regular files, hose reads at the disk via fadvise(). Restore VFS readahead and queue size, continue

Re: fastboot, diskstat

2005-07-22 Thread Avi Kivity
Andrew Morton wrote: The above data is enough for performing a crude preload: a) Boot the machine b) Boost the disk queue size, set the VFS readahead to zero, open /dev/hda1 and all the regular files, hose reads at the disk via fadvise(). Restore VFS readahead and queue size, continue

Re: fastboot, diskstat

2005-07-22 Thread Andre Eisenbach
2005/7/21, bert hubert [EMAIL PROTECTED]: I'm currently at OLS and presented http://ds9a.nl/diskstat yesterday, which also references your ancient 'fboot' program. Bert, ever so slightly off topic, but you mentioned parallelized startup in your slides... So checkout initng for your tests.

Re: fastboot, diskstat

2005-07-22 Thread Lincoln Dale
Avi Kivity wrote: parallelized initscripts will probably defeat this, though. put all run-once-but-never-run-again scripts into initrd / initramfs? evil grin boot into a suspend-to-disk image? i still see the real solution at least for desktop machines is to minimize the sheer amount of

Re: fastboot, diskstat

2005-07-22 Thread Jan Engelhardt
I'm currently at OLS and presented http://ds9a.nl/diskstat yesterday, which also references your ancient 'fboot' program. So checkout initng for your tests. It's a highly parallelized init system which seriously speeds up boot. It also keeps the disks much busier during boot and might help your

Re: fastboot, diskstat

2005-07-22 Thread Diego Calleja
El Fri, 22 Jul 2005 00:16:38 -0700, Andre Eisenbach [EMAIL PROTECTED] escribió: So checkout initng for your tests. It's a highly parallelized init system which seriously speeds up boot. It also keeps the disks much busier during boot and might help your testing. Initng:

Re: fastboot, diskstat

2005-07-21 Thread Andrew Morton
bert hubert <[EMAIL PROTECTED]> wrote: > > Hi Andrew, > > I'm currently at OLS and presented http://ds9a.nl/diskstat yesterday, which > also references your ancient 'fboot' program. > > I've also done experiments along those lines, and will be doing more of them > soon. > > You mention it was

Re: fastboot, diskstat

2005-07-21 Thread Andrew Morton
bert hubert [EMAIL PROTECTED] wrote: Hi Andrew, I'm currently at OLS and presented http://ds9a.nl/diskstat yesterday, which also references your ancient 'fboot' program. I've also done experiments along those lines, and will be doing more of them soon. You mention it was a waste of