Dear Auke,
Am Montag, den 04.06.2012, 13:02 -0700 schrieb Kok, Auke-jan H: > On Mon, Jun 4, 2012 at 12:49 PM, Peeters Simon <[email protected]> > wrote: > > while trying to optimize my bootup i noted that i could not squeeze it > > under 17seconds userspace > > > > Looking at the bootchart revealed that this is mainly due to > > systemd-udevd consuming 60% of my bootup I/O. > > This means i lose 12 seconds of bootup just to one process. > > can you post the bootchart SVG file? > > I'm assuming you're using this version of bootchart: > > http://foo-projects.org/~sofar/bootchart/bootchart-1.18.tar.gz looking at Debian there are two packages. $ LANG=C aptitude show bootchart bootchart2 Package: bootchart State: installed Automatically installed: yes Version: 0.10~svn407-3.3 Priority: optional Section: admin Maintainer: J??rg Sommer <[email protected]> Architecture: all Uncompressed Size: 135 k Depends: psmisc, lsb-base (>= 3.0-6) Recommends: bootchart-view, acct Description: Boot process performance analyser Bootchart is a tool for performance analysis and visualization of the GNU/Linux boot process. Resource utilization and process information are collected during the boot process and are later rendered in a PNG, SVG or EPS encoded chart. You can render the data with bootchart-view or at http://www.bootchart.org/download.html Homepage: http://www.bootchart.org/ Package: bootchart2 New: yes State: not installed Version: 0.14.2-1 Priority: optional Section: utils Maintainer: David Paleino <[email protected]> Architecture: i386 Uncompressed Size: 126 k Depends: libc6 (>= 2.4) Recommends: pybootchartgui Conflicts: bootchart Description: boot process performance analyser bootchart2 is a boot process performance analyser: a tool that lets you collect and analyse data from your boot process. bootchart2 origins from bootchart, and has some advantages over it: * more detailed kernel charting: uses the taskstats interface, instead of /proc/*/stat * the data collector has been rewritten to make it faster After the boot, you can view the logged data with a separately-provided GUI. Homepage: http://github.com/mmeeks/bootchart Could you clarify the relation between the version you meantioned [1] and bootchart2 maintained by Michael Meeks [1]? That would be awesome. […] Thanks, Paul [1] http://foo-projects.org/~sofar/bootchart/ [2] http://github.com/mmeeks/bootchart
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