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-rw-r--r--tools/perf/util/tsc.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/perf/util/tsc.h b/tools/perf/util/tsc.h
index 280ddc067556..d5b11e2b85e0 100644
--- a/tools/perf/util/tsc.h
+++ b/tools/perf/util/tsc.h
@@ -4,7 +4,16 @@
#include <linux/types.h>
#include "event.h"
-#include "../arch/x86/util/tsc.h"
+
+struct perf_tsc_conversion {
+ u16 time_shift;
+ u32 time_mult;
+ u64 time_zero;
+};
+struct perf_event_mmap_page;
+
+int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
+ struct perf_tsc_conversion *tc);
u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc);
u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc);