kernel/trace/trace_boot.c

176 append_printf(char **bufp, char *end, const char *fmt, ...)
181 	if (*bufp == end)
185 	ret = vsnprintf(*bufp, end - *bufp, fmt, args);
186 	if (ret < end - *bufp) {
187 		*bufp += ret;
189 		*bufp = end;
198 append_str_nospace(char **bufp, char *end, const char *str)
200 	char *p = *bufp;
210 		*bufp = end;
213 	len = p - *bufp;
214 	*bufp = p;
219 trace_boot_hist_add_array(struct xbc_node *hnode, char **bufp,
233 		append_printf(bufp, end, ":%s", key);
236 			append_printf(bufp, end, "%c%s", sep, p);
247 trace_boot_hist_add_one_handler(struct xbc_node *hnode, char **bufp,
262 	append_printf(bufp, end, ":%s(%s)", handler, p);
278 		append_printf(bufp, end, ".%s", xbc_node_get_data(knode));
281 			append_printf(bufp, end, "%c%s", sep, p);
285 		append_printf(bufp, end, ")");
287 		append_printf(bufp, end, ".snapshot()");
298 trace_boot_hist_add_handlers(struct xbc_node *hnode, char **bufp,
312 		ret = trace_boot_hist_add_one_handler(node, bufp, end, handler, param);
318 		ret = trace_boot_hist_add_one_handler(hnode, bufp, end, handler, param);