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-rw-r--r--tools/perf/builtin-top.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 34096275a7b5..68cd61ef6ac5 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -38,6 +38,7 @@
#include "util/cpumap.h"
#include "util/xyarray.h"
#include "util/sort.h"
+#include "util/intlist.h"
#include "util/debug.h"
@@ -706,8 +707,16 @@ static void perf_event__process_sample(struct perf_tool *tool,
int err;
if (!machine && perf_guest) {
- pr_err("Can't find guest [%d]'s kernel information\n",
- event->ip.pid);
+ static struct intlist *seen;
+
+ if (!seen)
+ seen = intlist__new();
+
+ if (!intlist__has_entry(seen, event->ip.pid)) {
+ pr_err("Can't find guest [%d]'s kernel information\n",
+ event->ip.pid);
+ intlist__add(seen, event->ip.pid);
+ }
return;
}