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