On Thu, Feb 14, 2008 at 7:14 PM, Bernd Petrovitsch <bernd@xxxxxxxxx> wrote:
> On Don, 2008-02-14 at 14:35 +0100, Thomas De Schampheleire wrote:
> > On Thu, Feb 14, 2008 at 2:22 PM, Pravin <shindepravin@xxxxxxxxx> wrote:
> > I doubt that init will have a lot to do while your application is
> > running. According to me, init will just sleep and performance of
> > your application will not be degraded. Maybe someone else can confirm
> > this.
>
> ACK. "init" will just wait for signals (be it a SIGCHLD from a
> terminated process or an `kill -1` to reread /etc/initttab) or the
> effects of a `telinit`.
I do agree that once main initialization is over then only work for init is
to acknowledge the processes without parent, and it should b signal based.
> Just boot Linux somewhere and do `strace -p 1` and see yourself.
I tried it, but got an error saying "Operation not permitted" even
though I was root...!!!
{{{
# strace -p 1
attach: ptrace(PTRACE_ATTACH, ...): Operation not permitted
}}}
To "Thomas De Schampheleire"
My application is not hard real time system, but its performance is important.
Its an Intrusion Prevention System(IPS), and any delay introduced by
these systems
are directly noted by users in there internet experience.
--
Thanx and Regards,
Pravin Shinde
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