send_estimate.xd

#!/usr/sbin/dtrace -qs

pid$target::lzc_send_space:return
{
	printf("%s(%s, %s) -> %ums\n",
	    probefunc,
	    copyinstr(entry->arg0),
	    copyinstr(entry->arg1),
	    entry->elapsed_ms);
}

zfs_ioc_send_space:return
{
	printf("%s(%s) -> %ums\n",
	    probefunc,
	    stringof(entry->args[0]),
	    entry->elapsed_ms);
}

dmu_send_estimate_from_txg:return
{
	printf("%s(%s, %u) -> %u bytes, %ums\n",
	    probefunc,
	    stringof(entry->args[0]->ds_dir->dd_myname),
	    entry->args[1],
	    *(entry->args[4]),
	    entry->elapsed_ms);
}

traverse_dataset:return
/callers["dmu_send_estimate_from_txg"]/
{
	printf("%s(%s, %u) -> %ums\n",
	    probefunc,
	    stringof(entry->args[0]->ds_dir->dd_myname),
	    entry->args[1],
	    entry->elapsed_ms);
}