---

yaml
---
r: 169495
b: refs/heads/master
c: 91ff2bc
h: refs/heads/master
i:
  169493: fa8becd
  169491: 888d12f
  169487: cf644a8
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 924a79af2cdee26a034b9bdce8c9c76995b5c901
+refs/heads/master: 91ff2bc191827f0d3f5ad0a433ff7df7d2dd9aee

trunk/tools/perf/util/trace-event-parse.c

@@ -522,7 +522,10 @@ static enum event_type __read_token(char **tok)
 			last_ch = ch;
 			ch = __read_char();
 			buf[i++] = ch;
-		} while (ch != quote_ch && last_ch != '\\');
+			/* the '\' '\' will cancel itself */
+			if (ch == '\\' && last_ch == '\\')
+				last_ch = 0;
+		} while (ch != quote_ch || last_ch == '\\');
 		/* remove the last quote */
 		i--;
 		goto out;
@@ -2325,7 +2328,27 @@ static void pretty_print(void *data, int size, struct event *event)
 
 	for (; *ptr; ptr++) {
 		ls = 0;
-		if (*ptr == '%') {
+		if (*ptr == '\\') {
+			ptr++;
+			switch (*ptr) {
+			case 'n':
+				printf("\n");
+				break;
+			case 't':
+				printf("\t");
+				break;
+			case 'r':
+				printf("\r");
+				break;
+			case '\\':
+				printf("\\");
+				break;
+			default:
+				printf("%c", *ptr);
+				break;
+			}
+
+		} else if (*ptr == '%') {
 			saveptr = ptr;
 			show_func = 0;
  cont_process: