Commit 179a93f7 authored by Masami Hiramatsu (Google)'s avatar Masami Hiramatsu (Google) Committed by Andrii Nakryiko
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fprobe, samples: Add module parameter descriptions 



Add module parameter descriptions for the fprobe_example module.

Signed-off-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/165602349520.56016.1314423560740428008.stgit@devnote2
parent a2b1a5d4

samples/fprobe/fprobe_example.c

+7 −0
Original line number Diff line number Diff line
@@ -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)

{