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

/*
 *  This probe spec is exessive for a process. Read about the vminfo provider to see why.
 *  Note that the fault events do not have a natural closing event.
 *  We'll have to depend on fbt::trap:return for that.
 */
vminfo::*fault:*fault
/ execname == "mmap" /
{
	self->flag = 1;
}

fbt:::
/self->flag && execname == "mmap" /
{
}

fbt::as_segat:entry
/self->flag && execname == "mmap" /
{
   printf("Segat faulting address: %p\n", args[1]);
}

fbt::trap:entry
/ execname == "mmap" /
{
   printf("Trap: %d addr: %p cpu: %d\n", args[0]->r_trapno, args[1], args[2]);
}

fbt::trap:return
/self->flag && execname == "mmap" /
{
   self->flag = 0;
}