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-rw-r--r--tools/perf/perf.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index a1a97956136f..21bf7f5a3cf5 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -5,6 +5,7 @@
#include <time.h>
#include <stdbool.h>
#include <linux/types.h>
+#include <linux/stddef.h>
#include <linux/perf_event.h>
extern bool test_attr__enabled;
@@ -24,7 +25,9 @@ static inline unsigned long long rdclock(void)
return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
}
+#ifndef MAX_NR_CPUS
#define MAX_NR_CPUS 1024
+#endif
extern const char *input_name;
extern bool perf_host, perf_guest;