1 files changed, 13 insertions, 0 deletions

diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 87a1aca4a424..ceb68aa51f7f 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -13,12 +13,19 @@
 #define cpu_relax()     asm volatile ("" ::: "memory");
 #endif
 
+#ifdef __s390__
+#include "../../arch/s390/include/asm/unistd.h"
+#define rmb()           asm volatile("bcr 15,0" ::: "memory")
+#define cpu_relax()     asm volatile("" ::: "memory");
+#endif
+
 #include <time.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/syscall.h>
 
 #include "../../include/linux/perf_counter.h"
+#include "types.h"
 
 /*
  * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
@@ -65,4 +72,10 @@ sys_perf_counter_open(struct perf_counter_attr *attr,
 #define MAX_COUNTERS                    256
 #define MAX_NR_CPUS                     256
 
+struct perf_file_header {
+        u64     version;
+        u64     sample_type;
+        u64     data_size;
+};
+
 #endif