On Mon, 27 Mar 2023 17:48:44 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> struct my_info {
> /* store state info here */
> };
>
> int main(...) {
> struct tracecmd_input *handle;
> struct my_info info;
> char *file = argv[1];
>
> handle = tracecmd_open(file);
>
> tracecmd_follow_event(handle, "rcu", "rcu_batch_start",
> batch_start, &info);
>
> tracecmd_follow_event(handle, "rcu", "rcu_batch_end",
> batch_end, &info);
>
> tracecmd_follow_event(handle, "rcu", "rcu_invoke_callback",
> invoke_callback, &info);
>
> tracecmd_iterate_events(handle, NULL, 0, NULL, NULL);
>
> tracecmd_close(handle);
> }
BTW, none of this code was actually tested, so I may have some syntax
errors. I just did this straight from memory, as it's so easy ;-)
-- Steve
