176 append_printf(char **bufp, char *end, const char *fmt, ...)  in append_printf()  argument
181 	if (*bufp == end)  in append_printf()
185 	ret = vsnprintf(*bufp, end - *bufp, fmt, args);  in append_printf()
186 	if (ret < end - *bufp) {  in append_printf()
189 		*bufp = end;  in append_printf()
198 append_str_nospace(char **bufp, char *end, const char *str)  in append_str_nospace()  argument
203 	while (p < end - 1 && *str != '\0') {  in append_str_nospace()
209 	if (p == end - 1) {  in append_str_nospace()
210 		*bufp = end;  in append_str_nospace()
220 			  char *end, const char *key)  in trace_boot_hist_add_array()  argument
233 		append_printf(bufp, end, ":%s", key);  in trace_boot_hist_add_array()
236 			append_printf(bufp, end, "%c%s", sep, p);  in trace_boot_hist_add_array()
248 				char *end, const char *handler,  in trace_boot_hist_add_one_handler()  argument
262 	append_printf(bufp, end, ":%s(%s)", handler, p);  in trace_boot_hist_add_one_handler()
278 		append_printf(bufp, end, ".%s", xbc_node_get_data(knode));  in trace_boot_hist_add_one_handler()
281 			append_printf(bufp, end, "%c%s", sep, p);  in trace_boot_hist_add_one_handler()
285 		append_printf(bufp, end, ")");  in trace_boot_hist_add_one_handler()
287 		append_printf(bufp, end, ".snapshot()");  in trace_boot_hist_add_one_handler()
299 			     char *end, const char *param)  in trace_boot_hist_add_handlers()  argument
312 		ret = trace_boot_hist_add_one_handler(node, bufp, end, handler, param);  in trace_boot_hist_add_handlers()
318 		ret = trace_boot_hist_add_one_handler(hnode, bufp, end, handler, param);  in trace_boot_hist_add_handlers()
349 	char *end = buf + size;  in trace_boot_compose_hist_cmd()  local
353 	append_printf(&buf, end, "hist");  in trace_boot_compose_hist_cmd()
355 	ret = trace_boot_hist_add_array(hnode, &buf, end, "keys");  in trace_boot_compose_hist_cmd()
362 	ret = trace_boot_hist_add_array(hnode, &buf, end, "values");  in trace_boot_compose_hist_cmd()
365 	ret = trace_boot_hist_add_array(hnode, &buf, end, "sort");  in trace_boot_compose_hist_cmd()
371 		append_printf(&buf, end, ":size=%s", p);  in trace_boot_compose_hist_cmd()
375 		append_printf(&buf, end, ":name=%s", p);  in trace_boot_compose_hist_cmd()
381 			append_printf(&buf, end, ":%s=",  in trace_boot_compose_hist_cmd()
383 			append_str_nospace(&buf, end, p);  in trace_boot_compose_hist_cmd()
389 		append_printf(&buf, end, ":pause");  in trace_boot_compose_hist_cmd()
391 		append_printf(&buf, end, ":continue");  in trace_boot_compose_hist_cmd()
393 		append_printf(&buf, end, ":clear");  in trace_boot_compose_hist_cmd()
397 	if (node && trace_boot_hist_add_handlers(node, &buf, end, "var") < 0)  in trace_boot_compose_hist_cmd()
400 	if (node && trace_boot_hist_add_handlers(node, &buf, end, "var") < 0)  in trace_boot_compose_hist_cmd()
403 	if (node && trace_boot_hist_add_handlers(node, &buf, end, "event") < 0)  in trace_boot_compose_hist_cmd()
408 		append_printf(&buf, end, " if %s", p);  in trace_boot_compose_hist_cmd()
410 	if (buf == end) {  in trace_boot_compose_hist_cmd()