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Re: Track system boot using stap
- From: fche at redhat dot com (Frank Ch. Eigler)
- To: Gaurav Poothia <gpoothia at cs dot sunysb dot edu>
- Cc: systemtap at sources dot redhat dot com
- Date: 01 Jun 2006 17:08:24 -0400
- Subject: Re: Track system boot using stap
- References: <Pine.GSO.4.53.0605261915420.1389@compserv4>
Gaurav Poothia wrote:
> How can I track all the filesystem access made by system at boot
> time? In other words when is the earliest I can launch stap with my
> stp script during bootup? [...] /etc/rc.local or
> /etc/rc.sysinit. [...]
Either of those should work. Our colleague Dan Berrange has gone one
step farther <http://people.redhat.com/berrange/systemtap/bootprobe/>.
Plus we're planning to make it possible for a systemtap module to be
compiled right into a kernel boot image, so that it can probe the
kernel even before user-space init is run.
- FChE