On Wed, 23 Jul 2025 10:31:45 +0900
"Masami Hiramatsu (Google)" <mhira...@kernel.org> wrote:
> -/* @buf must has MAX_EVENT_NAME_LEN size */
> +/**
> + * traceprobe_parse_event_name() - Parse a string into group and event names
> + * @pevent: A pointer to the string to be parsed.
> + * @pgroup: A pointer to the group name.
> + * @buf: A buffer to store the parsed group name.
> + * @offset: The offset of the string in the original user command, for
> logging.
> + *
> + * This parses a string with the format `[GROUP/][EVENT]` or
> `[GROUP.][EVENT]`
> + * (either GROUP or EVENT or both must be specified).
> + * Since the parsed group name is stored in @buf, the caller must ensure @buf
> + * is at least MAX_EVENT_NAME_LEN bytes.
> + *
> + * Return: 0 on success, or -EINVAL on failure.
> + *
> + * If success, *@pevent is updated to point to the event name part of the
> + * original string, or NULL if there is no event name.
> + * Also, *@pgroup is updated to point to the parsed group which is stored
> + * in @buf, or NULL if there is no group name.
> + */
> int traceprobe_parse_event_name(const char **pevent, const char **pgroup,
> char *buf, int offset)
> {
Much better.
Reviewed-by: Steven Rostedt (Google) <rost...@goodmis.org>
-- Steve
