为此,我介绍了以下方法: val start = System.currentTimeMillis end - start引入blackHole变量是为了保留body结果。在一些书中,有一条声明blackHole应该声明如下:var blackHole: Any = _
为什么要标记变量volatile
String c = "C"; public void bmStringConcat(final BenchState state, final Blackholeblackhole) { String b = state.b;
String c = state.c;final String s = "{a:" + a + ", b:" + b + "
# Route anything but TCP 80,443 and ICMP to an IPv4 black holeiptables-t nat -A BLACKHOLE !-t nat -A BLACKHOLE -p tcp --dport 80 -j RETURN
iptables -t nat -A BLACKHOLE -p tcp --dport 443 -j RETURNiptables -t nat -A BLACKHOLE