Linux systemtap tcp连接脚本错误
我正在尝试运行这个脚本,它没有显示tcp连接。有什么想法吗?操作系统:centos 6.3Linux systemtap tcp连接脚本错误,linux,systemtap,Linux,Systemtap,我正在尝试运行这个脚本,它没有显示tcp连接。有什么想法吗?操作系统:centos 6.3 #! /usr/bin/env stap probe begin { printf("%6s %16s %6s %6s %16s\n", "UID", "CMD", "PID", "PORT", "IP_SOURCE") } probe kernel.function("tcp_accept").return?, kernel.function("inet_csk_a
#! /usr/bin/env stap
probe begin {
printf("%6s %16s %6s %6s %16s\n",
"UID", "CMD", "PID", "PORT", "IP_SOURCE")
}
probe kernel.function("tcp_accept").return?,
kernel.function("inet_csk_accept").return? {
sock = $return
if (sock != 0)
printf("%6d %16s %6d %6d %16s\n", uid(), execname(), pid(),
inet_get_local_port(sock), inet_get_ip_source(sock))
}
输出:
[root@server src]# ./tcp_con.stp
Missing separate debuginfos, use: debuginfo-install kernel-2.6.32-279.1.1.el6.centos.plus.x86_64
UID CMD PID PORT IP_SOURCE
按照systemtap的建议安装内核调试信息。
两个kernel.function()探测之后的问号让stap悄悄地删除了这两个探测。centos plus不允许内核调试RPM,但是,所有这些都已安装:kernel-firmware-2.6.32-279.14.el6.centos.plus.noarch-kernel-devel-2.6.32-279.1.1.el6.centos.plus.x86_64 kernel-2.6.32-279.1.el6.centos.plus.x86_64 kernel-headers-2.6.32-279.1.1.el6.centos.plus.x86_64