X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=blktrace.h;h=c53b717ba4e2d3069f170d1552027817cc734106;hb=855dc4d44e000b68c01b0e33eae3389b49eb7f7f;hp=8656a957d27feac47710a40ce2c25298155de6f5;hpb=e6fe02651641fc64d2fa4fcfe9b1013b2947d11b;p=fio.git

diff --git a/blktrace.h b/blktrace.h
index 8656a957..c53b717b 100644
--- a/blktrace.h
+++ b/blktrace.h
@@ -1,22 +1,52 @@
 #ifndef FIO_BLKTRACE_H
 #define FIO_BLKTRACE_H
 
+
 #ifdef FIO_HAVE_BLKTRACE
 
-int is_blktrace(const char *, int *);
-int load_blktrace(struct thread_data *, const char *, int);
+#include <asm/types.h>
+
+#include "blktrace_api.h"
+
+struct blktrace_cursor {
+	struct fifo		*fifo;	// fifo queue for reading
+	FILE			*f;	// blktrace file
+	__u64			length; // length of trace
+	struct blk_io_trace	t;	// current io trace
+	int			swap;	// bitwise reverse required
+	int			scalar;	// scale percentage
+	int			iter;	// current iteration
+	int			nr_iter; // number of iterations to run
+};
+
+bool is_blktrace(const char *, int *);
+bool init_blktrace_read(struct thread_data *, const char *, int);
+bool read_blktrace(struct thread_data* td);
+
+int merge_blktrace_iologs(struct thread_data *td);
 
 #else
 
-static inline int is_blktrace(const char *fname, int *need_swap)
+static inline bool is_blktrace(const char *fname, int *need_swap)
+{
+	return false;
+}
+
+static inline bool init_blktrace_read(struct thread_data *td, const char *fname,
+				 int need_swap)
+{
+	return false;
+}
+
+static inline bool read_blktrace(struct thread_data* td)
 {
-	return 0;
+	return false;
 }
 
-static inline int load_blktrace(struct thread_data *td, const char *fname,
-				int need_swap)
+
+static inline int merge_blktrace_iologs(struct thread_data *td)
 {
-	return 1;
+	return false;
 }
 
 #endif