#!/usr/sbin/dtrace -s

::fop_read:entry
/self->trace == 0/
{
	vp = (vnode_t*)arg0;
	self->path=stringof(vp->v_path);
	self->trace = 1;
	trace(stringof(vp->v_path));
	@logical[stringof(vp->v_path)] = count();
}

::fop_read:return
/self->trace == 1/
{
	trace(arg1);
	self->trace = 0;
}

::segmap_getmapflt:entry
{
	trace(arg1);
	trace(arg2);
	trace(arg3);
	trace(arg4);
}

::ufs_read:entry
{
	trace(arg1);
	trace(arg2);
	trace(arg3);
}

::ufs_read:return
/self->trace == 1/
{
	trace(arg1);
}

io::bdev_strategy:start
/self->trace/
{
	trace(args[2]->fi_name);
	@physical[self->path] = count();
}