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-rw-r--r--tools/perf/util/mmap.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h
index bee4e83f7109..ef51667fabcb 100644
--- a/tools/perf/util/mmap.h
+++ b/tools/perf/util/mmap.h
@@ -15,6 +15,15 @@
#include "event.h"
struct aiocb;
+
+struct mmap_cpu_mask {
+ unsigned long *bits;
+ size_t nbits;
+};
+
+#define MMAP_CPU_MASK_BYTES(m) \
+ (BITS_TO_LONGS(((struct mmap_cpu_mask *)m)->nbits) * sizeof(unsigned long))
+
/**
* struct mmap - perf's ring buffer mmap details
*
@@ -52,4 +61,6 @@ int perf_mmap__push(struct mmap *md, void *to,
size_t mmap__mmap_len(struct mmap *map);
+void mmap_cpu_mask__scnprintf(struct mmap_cpu_mask *mask, const char *tag);
+
#endif /*__PERF_MMAP_H */