parse_probe_trace_command
ret = parse_probe_trace_command(ent->s, &tev);
ret = parse_probe_trace_command(node->s, tev);
int parse_probe_trace_command(const char *cmd, struct probe_trace_event *tev);
ret = parse_probe_trace_command(ent->s, &tev);
ret = parse_probe_trace_command(node->s, tev);