hi
请教大家一个问题:
之前在CentOS 6.5上可以用,但是在测试CentOS 7时,发现distr选项没有问题,但是使用latency选项就不行了。使用的是Nginx-1.10.1,kernel-debug,kernel-debuginfo都正确安装了,nginx-system-toolkit也是最新的。请问大家这个问题怎么解决?
#./tcp-accept-queue --port=8080 --latency
semantic error: not accessible at this address (pc: 0xffffffff81579ac9) [man error::dwarf]: identifier '$skb' at <input>:10:31
dieoffset: 0x4fbe1ec from unknown debug file for kernel
function: tcp_conn_request at net/ipv4/tcp_input.c:5965
alternative locations: [0xffffffff81579ae6,0xffffffff81579ca5], [0xffffffff81579d02,0xffffffff81579fc9]
source: tcphdr = __get_skb_tcphdr($skb)
^
Pass 2: analysis failed. [man error::pass2]