stap 脚本

reset.stp

#!/usr/bin/env stap 
// Linux 172-19-0-11 5.4.0-109-generic #123-Ubuntu SMP Fri Apr 8 09:10:54 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
//tencent cloud centos 7.2 20220429
// tcp_send_active_reset 检测

probe kernel.statement("*@net/ipv4/tcp.c:2054") {
    if (execname() == "node") {
        printf("tcp_send_active_reset: %s\n", pp())
    }
}

probe kernel.statement("*@net/ipv4/tcp.c:2134") {
    if (execname() == "node") {
        printf("tcp_send_active_reset: %s\n", pp())
    }
}

probe kernel.statement("*@net/ipv4/tcp.c:2153") {
    if (execname() == "node") {
        printf("tcp_send_active_reset: %s\n", pp())
    }
}

probe kernel.statement("*@net/ipv4/tcp.c:2209") {
    if (execname() == "node") {
        printf("tcp_send_active_reset: %s\n", pp())
    }
}

probe kernel.statement("*@net/ipv4/tcp_timer.c:74") {
    if (execname() == "node") {
        printf("tcp_send_active_reset: %s\n", pp())
    }
}

probe kernel.statement("*@net/ipv4/tcp_timer.c:592") {
    if (execname() == "node") {
        printf("tcp_send_active_reset: %s\n", pp())
    }
}

probe kernel.statement("*@net/ipv4/tcp_timer.c:616") {
    if (execname() == "node") {
        printf("tcp_send_active_reset: %s\n", pp())
    }
}


// tcp_v4_send_reset 检测

probe kernel.statement("*@net/ipv4/tcp_ipv4.c:1527") {
    if (execname() == "node") {
        printf("tcp_v4_send_reset: %s\n", pp())
    }
}

probe kernel.statement("*@net/ipv4/tcp_ipv4.c:1764") {
    if (execname() == "node") {
        printf("tcp_v4_send_reset: %s\n", pp())
    }
}

probe kernel.statement("*@net/ipv4/tcp_ipv4.c:1810") {
    if (execname() == "node") {
        printf("tcp_v4_send_reset: %s\n", pp())
    }
}