diff options
Diffstat (limited to 'samples/fprobe/fprobe_example.c')
| -rw-r--r-- | samples/fprobe/fprobe_example.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/samples/fprobe/fprobe_example.c b/samples/fprobe/fprobe_example.c index e22da8573116..bfe98ce826f3 100644 --- a/samples/fprobe/fprobe_example.c +++ b/samples/fprobe/fprobe_example.c @@ -48,7 +48,9 @@ static void show_backtrace(void) stack_trace_print(stacks, len, 24); } -static void sample_entry_handler(struct fprobe *fp, unsigned long ip, struct pt_regs *regs) +static int sample_entry_handler(struct fprobe *fp, unsigned long ip, + unsigned long ret_ip, + struct ftrace_regs *fregs, void *data) { if (use_trace) /* @@ -61,11 +63,14 @@ static void sample_entry_handler(struct fprobe *fp, unsigned long ip, struct pt_ nhit++; if (stackdump) show_backtrace(); + return 0; } -static void sample_exit_handler(struct fprobe *fp, unsigned long ip, struct pt_regs *regs) +static void sample_exit_handler(struct fprobe *fp, unsigned long ip, + unsigned long ret_ip, struct ftrace_regs *regs, + void *data) { - unsigned long rip = instruction_pointer(regs); + unsigned long rip = ret_ip; if (use_trace) /* @@ -145,4 +150,5 @@ static void __exit fprobe_exit(void) module_init(fprobe_init) module_exit(fprobe_exit) +MODULE_DESCRIPTION("sample kernel module showing the use of fprobe"); MODULE_LICENSE("GPL"); |