On Tue, Jun 16, 2009 at 12:23:46PM -0700, Shawn Clifford wrote:
> I'd like to modify the executable name for the process that is running
> Dtrace. I have a Dtrace script running in the background all the
> time, and would like to wipeout the 'dtrace -s ...' and replace it
> with a single string.
>
> I've tried the following, which of course doesn't work. Can this even
> be done?
>
> #!/usr/sbin/dtrace -s
>
> #pragma D option destructive
> #pragma D option quiet
>
> dtrace:::BEGIN
> {
> self->parent = execname;
> self->mypid = curpsinfo->pr_pid;
> printf("Exec_name = %s PID = %d\n", execname, curpsinfo->pr_pid);
>
> copyoutstr("daemon", curpsinfo->pr_fname, 6);
>
> self->parent = execname;
> self->mypid = curpsinfo->pr_pid;
> printf("Exec_name = %s PID = %d\n", execname, curpsinfo->pr_pid);
> }
Sorry, the execname is fixed in the kernel at exec(1M) time. The best you
could do would be to make a hardlink or copy of /usr/sbin/dtrace, and change
your #! line to invoke that instead.
Cheers,
- jonathan
_______________________________________________
dtrace-discuss mailing list
dtrace-discuss@opensolaris.org
