[fio.git] / blktrace.h

#ifndef FIO_BLKTRACE_H
#define FIO_BLKTRACE_H


#ifdef FIO_HAVE_BLKTRACE

#include <asm/types.h>

#include "blktrace_api.h"

struct blktrace_cursor {
	struct fifo		*fifo;	// fifo queue for reading
	int			fd;	// 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 load_blktrace(struct thread_data *, const char *, int);
int merge_blktrace_iologs(struct thread_data *td);

#else

static inline bool is_blktrace(const char *fname, int *need_swap)
{
	return false;
}

static inline bool load_blktrace(struct thread_data *td, const char *fname,
				 int need_swap)
{
	return false;
}

static inline int merge_blktrace_iologs(struct thread_data *td)
{
	return false;
}

#endif
#endif
Commit	Line	Data
a3e59412 TK	1	#ifndef FIO_BLKTRACE_H
	2	#define FIO_BLKTRACE_H
	3
b9921d1a	4
a3e59412 TK	5	#ifdef FIO_HAVE_BLKTRACE
a3e59412 TK	6
55bfd8c8 DZ	7	#include <asm/types.h>
55bfd8c8 DZ	8
b9921d1a DZ	9	#include "blktrace_api.h"
	10
	11	struct blktrace_cursor {
	12	struct fifo *fifo; // fifo queue for reading
	13	int fd; // blktrace file
55bfd8c8	14	__u64 length; // length of trace
b9921d1a DZ	15	struct blk_io_trace t; // current io trace
b9921d1a DZ	16	int swap; // bitwise reverse required
87a48ada	17	int scalar; // scale percentage
55bfd8c8 DZ	18	int iter; // current iteration
55bfd8c8 DZ	19	int nr_iter; // number of iterations to run
b9921d1a DZ	20	};
b9921d1a DZ	21
b153f94a JA	22	bool is_blktrace(const char , int );
b153f94a JA	23	bool load_blktrace(struct thread_data , const char , int);
b9921d1a	24	int merge_blktrace_iologs(struct thread_data *td);
a3e59412 TK	25
	26	#else
	27
b153f94a	28	static inline bool is_blktrace(const char fname, int need_swap)
a3e59412	29	{
b153f94a	30	return false;
a3e59412 TK	31	}
a3e59412 TK	32
b153f94a JA	33	static inline bool load_blktrace(struct thread_data td, const char fname,
b153f94a JA	34	int need_swap)
a3e59412	35	{
b153f94a	36	return false;
a3e59412 TK	37	}
a3e59412 TK	38
bd6afe89 JA	39	static inline int merge_blktrace_iologs(struct thread_data *td)
	40	{
	41	return false;
	42	}
	43
a3e59412 TK	44	#endif
a3e59412 TK	45	#endif