From e02a18b8aaca388a5d390d403641c1a95cbbd389 Mon Sep 17 00:00:00 2001
From: Jiri Olsa <jolsa@redhat.com>
Date: Mon, 7 Mar 2011 21:13:41 +0100
Subject: [PATCH] --- yaml --- r: 234532 b: refs/heads/master c:
 6547250381eb315acff3d52b4872ad775359407c h: refs/heads/master v: v3

---
 [refs]                      |  2 +-
 trunk/tools/perf/util/top.c | 20 +++++++++++++++++---
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/[refs] b/[refs]
index 5078ceecfba1..e78e4593c062 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b9a46bba88001504235459c8410f17e6a7e38008
+refs/heads/master: 6547250381eb315acff3d52b4872ad775359407c
diff --git a/trunk/tools/perf/util/top.c b/trunk/tools/perf/util/top.c
index 4f869da4e9c7..75cfe4d45119 100644
--- a/trunk/tools/perf/util/top.c
+++ b/trunk/tools/perf/util/top.c
@@ -115,9 +115,23 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
 	if (!top->display_weighted) {
 		ret += SNPRINTF(bf + ret, size - ret, "%s",
 				event_name(top->sym_evsel));
-	} else list_for_each_entry(counter, &top->evlist->entries, node) {
-		ret += SNPRINTF(bf + ret, size - ret, "%s%s",
-				counter->idx ? "/" : "", event_name(counter));
+	} else {
+		/*
+		 * Don't let events eat all the space. Leaving 30 bytes
+		 * for the rest should be enough.
+		 */
+		size_t last_pos = size - 30;
+
+		list_for_each_entry(counter, &top->evlist->entries, node) {
+			ret += SNPRINTF(bf + ret, size - ret, "%s%s",
+					counter->idx ? "/" : "",
+					event_name(counter));
+			if (ret > last_pos) {
+				sprintf(bf + last_pos - 3, "..");
+				ret = last_pos - 1;
+				break;
+			}
+		}
 	}
 
 	ret += SNPRINTF(bf + ret, size - ret, "], ");