#!/usr/sbin/dtrace -s

#pragma D option flowindent


/* 
   fds[] is not documented in DTrace Guide.
   fds[file_descriptor] is a fileinfo_t struct used in io::: probes 
   (and documented there in the Guide)
*/


fbt::getdents64:entry
/execname == "ps"/ 
{
	printf("%s\n", fds[args[0]].fi_pathname);
	self->in = 1;
}

fbt::getdents64:return
/execname == "ps"/ 
{
	self->in = 0;
}

fbt:procfs::entry,fbt:procfs::return
/execname == "ps" && self->in/
{

}

fbt::gfs*:entry,fbt::gfs*:return
/execname == "ps" && self->in/
{

}

fbt::pid_entry:entry
/execname == "ps" && self->in/
{
	trace(arg0);
}

fbt::pid_entry:return
/execname == "ps" && self->in && args[1]/
{	  
	trace( ((proc_t*)args[1])->p_user.u_comm );  
}


fbt::pid*:entry,fbt::pid*:return
/execname == "ps" && self->in/
{

}