[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
	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 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 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	FILE *f; // 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 init_blktrace_read(struct thread_data , const char , int);
	24	bool read_blktrace(struct thread_data* td);
	25
	26	int merge_blktrace_iologs(struct thread_data *td);
	27
	28	#else
	29
	30	static inline bool is_blktrace(const char fname, int need_swap)
	31	{
	32	return false;
	33	}
	34
	35	static inline bool init_blktrace_read(struct thread_data td, const char fname,
	36	int need_swap)
	37	{
	38	return false;
	39	}
	40
	41	static inline bool read_blktrace(struct thread_data* td)
	42	{
	43	return false;
	44	}
	45
	46
	47	static inline int merge_blktrace_iologs(struct thread_data *td)
	48	{
	49	return false;
	50	}
	51
	52	#endif
	53	#endif