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28 lines
633 B
Markdown
28 lines
633 B
Markdown
# bpftrace
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> Linux eBPF 的高级跟踪语言。
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> 更多信息：<https://github.com/iovisor/bpftrace>.
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- 显示 bpftrace 版本：
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`bpftrace -V`
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- 列出所有可用的探针：
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`sudo bpftrace -l`
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- 运行单行程序（例如按程序进行系统调用计数）：
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`sudo bpftrace -e '{{tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }}}'`
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- 从文件运行程序：
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`sudo bpftrace {{文件}}`
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- 通过 PID 跟踪程序：
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`sudo bpftrace -e '{{tracepoint:raw_syscalls:sys_enter /pid == 123/ { @[comm] = count(); }}}'`
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- 进行试运行并以 eBPF 格式显示输出：
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`sudo bpftrace -d -e '{{单行程序}}'`
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