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Date: Fri, 24 Jun 2022 07:31:35 +0900 From: "Masami Hiramatsu (Google)" <mhiramat@...nel.org> To: Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org> Cc: Masami Hiramatsu <mhiramat@...nel.org>, Jiri Olsa <jolsa@...nel.org>, Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, bpf@...r.kernel.org Subject: [PATCH bpf] fprobe, samples: Add module parameter descriptions From: Masami Hiramatsu (Google) <mhiramat@...nel.org> Add module parameter descriptions for the fprobe_example module. Signed-off-by: Masami Hiramatsu (Google) <mhiramat@...nel.org> --- samples/fprobe/fprobe_example.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/samples/fprobe/fprobe_example.c b/samples/fprobe/fprobe_example.c index 01ee6c8c8382..18b1e5c4b431 100644 --- a/samples/fprobe/fprobe_example.c +++ b/samples/fprobe/fprobe_example.c @@ -25,12 +25,19 @@ static unsigned long nhit; static char symbol[MAX_SYMBOL_LEN] = "kernel_clone"; module_param_string(symbol, symbol, sizeof(symbol), 0644); +MODULE_PARM_DESC(symbol, "Probed symbol(s), given by comma separated symbols or a wildcard pattern."); + static char nosymbol[MAX_SYMBOL_LEN] = ""; module_param_string(nosymbol, nosymbol, sizeof(nosymbol), 0644); +MODULE_PARM_DESC(nosymbol, "Not-probed symbols, given by a wildcard pattern."); + static bool stackdump = true; module_param(stackdump, bool, 0644); +MODULE_PARM_DESC(stackdump, "Enable stackdump."); + static bool use_trace = false; module_param(use_trace, bool, 0644); +MODULE_PARM_DESC(use_trace, "Use trace_printk instead of printk. This is only for debugging."); static void show_backtrace(void) {
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