diff options
Diffstat (limited to 'samples/fprobe/fprobe_example.c')
| -rw-r--r-- | samples/fprobe/fprobe_example.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/samples/fprobe/fprobe_example.c b/samples/fprobe/fprobe_example.c index 01ee6c8c8382..e22da8573116 100644 --- a/samples/fprobe/fprobe_example.c +++ b/samples/fprobe/fprobe_example.c @@ -20,17 +20,24 @@ #define BACKTRACE_DEPTH 16 #define MAX_SYMBOL_LEN 4096 -struct fprobe sample_probe; +static struct fprobe sample_probe; 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) { |