parse_sym: break when symbol found in lookup_sym_cache()

menglongdong · menglongdong · commit 32e544da42ce · 2022-12-08T14:20:42.000+08:00
The 'break' is miss in lookup_sym_cache(), which makes the symbol
lookup slow. Just fix it.

Signed-off-by: Menglong Dong &lt;imagedong@tencent.com&gt;
diff --git a/component/parse_sym.c b/component/parse_sym.c
@@ -32,6 +32,7 @@ static struct sym_result *lookup_sym_cache(__u64 pc, bool exact)
 				if (head->pc == pc)
 					return head;
 				sym = head;
+				break;
 			}
 		} else {
 			if (head->start == pc)

Original file line number	Diff line number	Diff line change
`@@ -32,6 +32,7 @@ static struct sym_result *lookup_sym_cache(__u64 pc, bool exact)`
`32`	`32`	`if (head->pc == pc)`
`33`	`33`	`return head;`
`34`	`34`	`sym = head;`
	`35`	`+ break;`
`35`	`36`	`}`
`36`	`37`	`} else {`
`37`	`38`	`if (head->start == pc)`