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bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...。
4. 进程的系统调用记数统计
bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }'
Attaching 1 probe...
^C
@[bpftrace]: 6
@[systemd]: 24
@[snmp-pass]: 96
@[sshd]: 125
按Ctrl-C后打印进程的系统调用计数。
@: 表示一种特殊的变量...
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