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| author | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2022-06-24 07:31:35 +0900 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2022-06-24 15:23:04 -0700 |
| commit | 179a93f74b29d0f37871d7afe826292cda90f113 (patch) | |
| tree | 29b7ed13d0bcd4a19f3fb8251bbdefaedf428342 /samples/fprobe | |
| parent | a2b1a5d40bd12b44322c2ccd40bb0ec1699708b6 (diff) | |
| download | lwn-179a93f74b29d0f37871d7afe826292cda90f113.tar.gz lwn-179a93f74b29d0f37871d7afe826292cda90f113.zip | |
fprobe, samples: Add module parameter descriptions
Add module parameter descriptions for the fprobe_example module.
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/165602349520.56016.1314423560740428008.stgit@devnote2
Diffstat (limited to 'samples/fprobe')
| -rw-r--r-- | samples/fprobe/fprobe_example.c | 7 |
1 files changed, 7 insertions, 0 deletions
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) { |