1 files changed, 5 insertions, 0 deletions

diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 16c84fd73c86..a49842b69a59 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -66,4 +66,9 @@ sys_perf_counter_open(struct perf_counter_attr *attr,
 #define MAX_COUNTERS                    256
 #define MAX_NR_CPUS                     256
 
+struct ip_callchain {
+        u64 nr;
+        u64 ips[0];
+};
+
 #endif