#!/usr/sbin/dtrace -s
#pragma D option flowindent

syscall::open:entry, 
syscall::open64:entry 
{
	self->flag = 1;
	printf( "open %s", copyinstr(arg0) );
	/* printf( "open %s", stringof(arg0) ); ---illegal addresses */
}

fbt:genunix:kmem_cache_*:entry
/self->flag/
{
	printf("kmem %s", ((kmem_cache_t *)arg0)->cache_name); 
	/*	printf("kmem %s", args[0]->cache_name); ---"unstable probe set" */
}

fbt::kmem_alloc:entry
/self->flag/
{
	printf("kmem_alloc size %d", args[0]);  
}

fbt::kmem_*:
/self->flag/
{
}

fbt::vmem_*:
/self->flag/
{
}

syscall::open:return,
syscall::open64:return
{
	self->flag = 0;
}