[disktools.git] / fio.h

#ifndef FIO_H
#define FIO_H

#include <sched.h>
#include <limits.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <semaphore.h>

#include "list.h"
#include "md5.h"
#include "crc32.h"
#include "arch.h"
#include "os.h"

struct io_stat {
	unsigned long val;
	unsigned long val_sq;
	unsigned long max_val;
	unsigned long min_val;
	unsigned long samples;
};

struct io_sample {
	unsigned long time;
	unsigned long val;
};

struct io_log {
	unsigned long nr_samples;
	unsigned long max_samples;
	struct io_sample *log;
};

struct io_piece {
	struct list_head list;
	unsigned long long offset;
	unsigned int len;
};

/*
 * The io unit
 */
struct io_u {
	union {
#ifdef FIO_HAVE_LIBAIO
		struct iocb iocb;
#endif
#ifdef FIO_HAVE_POSIXAIO
		struct aiocb aiocb;
#endif
	};
	struct timeval start_time;
	struct timeval issue_time;

	char *buf;
	unsigned int buflen;
	unsigned long long offset;

	unsigned char seen;

	struct list_head list;
};

#define FIO_HDR_MAGIC	0xf00baaef

enum {
	VERIFY_NONE = 0,
	VERIFY_MD5,
	VERIFY_CRC32,
};

struct verify_header {
	unsigned int fio_magic;
	unsigned int len;
	unsigned int verify_type;
	union {
		char md5_digest[MD5_HASH_WORDS * 4];
		unsigned long crc32;
	};
};

struct group_run_stats {
	unsigned long max_run[2], min_run[2];
	unsigned long max_bw[2], min_bw[2];
	unsigned long io_mb[2];
	unsigned long agg[2];
};

struct thread_data {
	char file_name[256];
	char directory[256];
	char verror[80];
	pthread_t thread;
	int thread_number;
	int groupid;
	int filetype;
	int error;
	int fd;
	void *mmap;
	pid_t pid;
	char *orig_buffer;
	size_t orig_buffer_size;
	volatile int terminate;
	volatile int runstate;
	volatile int old_runstate;
	unsigned int ddir;
	unsigned int ioprio;
	unsigned int sequential;
	unsigned int bs;
	unsigned int min_bs;
	unsigned int max_bs;
	unsigned int odirect;
	unsigned int thinktime;
	unsigned int fsync_blocks;
	unsigned int start_delay;
	unsigned int timeout;
	unsigned int io_engine;
	unsigned int create_file;
	unsigned int overwrite;
	unsigned int invalidate_cache;
	unsigned int bw_avg_time;
	unsigned int create_serialize;
	unsigned int create_fsync;
	unsigned int loops;
	unsigned long long file_size;
	unsigned long long file_offset;
	unsigned int sync_io;
	unsigned int mem_type;
	unsigned int verify;
	unsigned int stonewall;
	unsigned int numjobs;
	unsigned int use_thread;
	unsigned int use_mmap;
	cpu_set_t cpumask;

	struct drand48_data bsrange_state;
	struct drand48_data verify_state;

	int shm_id;

	unsigned long long cur_off;

	void *aio_data;
	void (*io_prep)(struct thread_data *, struct io_u *, int);
	int (*io_queue)(struct thread_data *, struct io_u *);
	int (*io_getevents)(struct thread_data *, int, int, struct timespec *);
	struct io_u *(*io_event)(struct thread_data *, int);
	int (*io_cancel)(struct thread_data *, struct io_u *);
	unsigned int aio_depth;

	unsigned int cur_depth;
	struct list_head io_u_freelist;
	struct list_head io_u_busylist;

	unsigned int rate;
	unsigned int ratemin;
	unsigned int ratecycle;
	unsigned long rate_usec_cycle;
	long rate_pending_usleep;
	unsigned long rate_bytes;
	struct timeval lastrate;

	unsigned long runtime;		/* sec */
	unsigned long long io_size;

	unsigned long io_blocks;
	unsigned long io_bytes;
	unsigned long this_io_bytes;
	unsigned long last_bytes;
	sem_t mutex;

	struct drand48_data random_state;
	unsigned long *file_map;
	unsigned int num_maps;

	/*
	 * bandwidth and latency stats
	 */
	struct io_stat clat_stat;		/* completion latency */
	struct io_stat slat_stat;		/* submission latency */

	struct io_stat bw_stat;			/* bandwidth stats */
	unsigned long stat_io_bytes;
	struct timeval stat_sample_time;

	struct io_log *lat_log;
	struct io_log *bw_log;

	struct timeval start;	/* start of this loop */
	struct timeval epoch;	/* time job was started */

	struct rusage ru_start;
	struct rusage ru_end;
	unsigned long usr_time;
	unsigned long sys_time;
	unsigned long ctx;

	struct list_head io_hist_list;
};

#define td_verror(td, err)						\
	do {								\
		int e = (err);						\
		(td)->error = e;					\
		snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, strerror(e));	\
	} while (0)

extern int parse_jobs_ini(char *);
extern int parse_options(int, char **);
extern void finish_log(struct thread_data *, struct io_log *, const char *);
extern int init_random_state(struct thread_data *);

extern int rate_quit;
extern int write_lat_log;
extern int write_bw_log;
extern int exitall_on_terminate;
extern int thread_number;
extern int shm_id;
extern int groupid;

extern char run_str[];

extern struct thread_data *threads;

enum {
	DDIR_READ = 0,
	DDIR_WRITE,
};

/*
 * What type of allocation to use for io buffers
 */
enum {
	MEM_MALLOC,	/* ordinary malloc */
	MEM_SHM,	/* use shared memory segments */
	MEM_MMAP,	/* use anonynomous mmap */
};

/*
 * The type of object we are working on
 */
enum {
	FIO_TYPE_FILE = 1,
	FIO_TYPE_BD,
};

enum {
	FIO_SYNCIO = 0,
	FIO_LIBAIO,
	FIO_POSIXAIO,
};

#define td_read(td)		((td)->ddir == DDIR_READ)
#define td_write(td)		((td)->ddir == DDIR_WRITE)

#define BLOCKS_PER_MAP		(8 * sizeof(long))
#define TO_MAP_BLOCK(td, b)	((b) - ((td)->file_offset / (td)->min_bs))
#define RAND_MAP_IDX(td, b)	(TO_MAP_BLOCK(td, b) / BLOCKS_PER_MAP)
#define RAND_MAP_BIT(td, b)	(TO_MAP_BLOCK(td, b) & (BLOCKS_PER_MAP - 1))

#define MAX_JOBS	(1024)

struct disk_util_stat {
	unsigned ios[2];
	unsigned merges[2];
	unsigned long long sectors[2];
	unsigned ticks[2];
	unsigned io_ticks;
	unsigned time_in_queue;
};

struct disk_util {
	struct list_head list;

	char *name;
	char path[256];
	dev_t dev;

	struct disk_util_stat dus;
	struct disk_util_stat last_dus;

	unsigned long msec;
	struct timeval time;
};

#define DISK_UTIL_MSEC	(250)

#endif
Commit	Line	Data
27c32a38 JA	1	#ifndef FIO_H
	2	#define FIO_H
	3
	4	#include <sched.h>
27c32a38 JA	5	#include <limits.h>
	6	#include <sys/time.h>
	7	#include <sys/resource.h>
	8	#include <semaphore.h>
	9
	10	#include "list.h"
	11	#include "md5.h"
7f46ef08	12	#include "crc32.h"
27c32a38	13	#include "arch.h"
f5087211	14	#include "os.h"
27c32a38 JA	15
	16	struct io_stat {
	17	unsigned long val;
	18	unsigned long val_sq;
	19	unsigned long max_val;
	20	unsigned long min_val;
	21	unsigned long samples;
	22	};
	23
	24	struct io_sample {
	25	unsigned long time;
	26	unsigned long val;
	27	};
	28
	29	struct io_log {
	30	unsigned long nr_samples;
	31	unsigned long max_samples;
	32	struct io_sample *log;
	33	};
	34
	35	struct io_piece {
	36	struct list_head list;
	37	unsigned long long offset;
	38	unsigned int len;
	39	};
	40
f5087211 JA	41	/*
	42	* The io unit
	43	*/
	44	struct io_u {
	45	union {
	46	#ifdef FIO_HAVE_LIBAIO
	47	struct iocb iocb;
	48	#endif
	49	#ifdef FIO_HAVE_POSIXAIO
	50	struct aiocb aiocb;
	51	#endif
	52	};
	53	struct timeval start_time;
	54	struct timeval issue_time;
	55
	56	char *buf;
	57	unsigned int buflen;
	58	unsigned long long offset;
	59
	60	unsigned char seen;
	61
	62	struct list_head list;
	63	};
	64
27c32a38 JA	65	#define FIO_HDR_MAGIC 0xf00baaef
27c32a38 JA	66
7f46ef08 JA	67	enum {
	68	VERIFY_NONE = 0,
	69	VERIFY_MD5,
	70	VERIFY_CRC32,
	71	};
	72
27c32a38 JA	73	struct verify_header {
	74	unsigned int fio_magic;
	75	unsigned int len;
7f46ef08 JA	76	unsigned int verify_type;
	77	union {
	78	char md5_digest[MD5_HASH_WORDS * 4];
	79	unsigned long crc32;
	80	};
27c32a38 JA	81	};
27c32a38 JA	82
557e4102 JA	83	struct group_run_stats {
	84	unsigned long max_run[2], min_run[2];
	85	unsigned long max_bw[2], min_bw[2];
	86	unsigned long io_mb[2];
	87	unsigned long agg[2];
	88	};
	89
27c32a38 JA	90	struct thread_data {
	91	char file_name[256];
	92	char directory[256];
d0963ac4	93	char verror[80];
189873de	94	pthread_t thread;
27c32a38 JA	95	int thread_number;
27c32a38 JA	96	int groupid;
c4c8f7b3	97	int filetype;
27c32a38 JA	98	int error;
27c32a38 JA	99	int fd;
6e2c38cc	100	void *mmap;
27c32a38 JA	101	pid_t pid;
27c32a38 JA	102	char *orig_buffer;
891e70f8	103	size_t orig_buffer_size;
27c32a38 JA	104	volatile int terminate;
	105	volatile int runstate;
	106	volatile int old_runstate;
	107	unsigned int ddir;
	108	unsigned int ioprio;
	109	unsigned int sequential;
	110	unsigned int bs;
	111	unsigned int min_bs;
	112	unsigned int max_bs;
	113	unsigned int odirect;
	114	unsigned int thinktime;
	115	unsigned int fsync_blocks;
	116	unsigned int start_delay;
	117	unsigned int timeout;
f5087211	118	unsigned int io_engine;
27c32a38 JA	119	unsigned int create_file;
	120	unsigned int overwrite;
	121	unsigned int invalidate_cache;
	122	unsigned int bw_avg_time;
	123	unsigned int create_serialize;
	124	unsigned int create_fsync;
	125	unsigned int loops;
	126	unsigned long long file_size;
	127	unsigned long long file_offset;
	128	unsigned int sync_io;
	129	unsigned int mem_type;
	130	unsigned int verify;
	131	unsigned int stonewall;
	132	unsigned int numjobs;
189873de	133	unsigned int use_thread;
6e2c38cc	134	unsigned int use_mmap;
27c32a38 JA	135	cpu_set_t cpumask;
	136
	137	struct drand48_data bsrange_state;
	138	struct drand48_data verify_state;
	139
	140	int shm_id;
	141
e79c9259	142	unsigned long long cur_off;
27c32a38	143
f5087211 JA	144	void *aio_data;
	145	void (io_prep)(struct thread_data , struct io_u *, int);
	146	int (io_queue)(struct thread_data , struct io_u *);
	147	int (io_getevents)(struct thread_data , int, int, struct timespec *);
	148	struct io_u (io_event)(struct thread_data *, int);
	149	int (io_cancel)(struct thread_data , struct io_u *);
27c32a38	150	unsigned int aio_depth;
27c32a38 JA	151
	152	unsigned int cur_depth;
	153	struct list_head io_u_freelist;
	154	struct list_head io_u_busylist;
	155
	156	unsigned int rate;
	157	unsigned int ratemin;
	158	unsigned int ratecycle;
	159	unsigned long rate_usec_cycle;
	160	long rate_pending_usleep;
	161	unsigned long rate_bytes;
	162	struct timeval lastrate;
	163
	164	unsigned long runtime; /* sec */
	165	unsigned long long io_size;
	166
	167	unsigned long io_blocks;
	168	unsigned long io_bytes;
	169	unsigned long this_io_bytes;
	170	unsigned long last_bytes;
	171	sem_t mutex;
	172
	173	struct drand48_data random_state;
	174	unsigned long *file_map;
	175	unsigned int num_maps;
	176
	177	/*
	178	* bandwidth and latency stats
	179	*/
	180	struct io_stat clat_stat; /* completion latency */
	181	struct io_stat slat_stat; /* submission latency */
	182
	183	struct io_stat bw_stat; /* bandwidth stats */
	184	unsigned long stat_io_bytes;
	185	struct timeval stat_sample_time;
	186
	187	struct io_log *lat_log;
	188	struct io_log *bw_log;
	189
91e6eb54 JA	190	struct timeval start; /* start of this loop */
91e6eb54 JA	191	struct timeval epoch; /* time job was started */
27c32a38 JA	192
	193	struct rusage ru_start;
	194	struct rusage ru_end;
	195	unsigned long usr_time;
	196	unsigned long sys_time;
	197	unsigned long ctx;
	198
	199	struct list_head io_hist_list;
	200	};
	201
b5a4be48 JA	202	#define td_verror(td, err) \
	203	do { \
	204	int e = (err); \
	205	(td)->error = e; \
d0963ac4	206	snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, strerror(e)); \
b5a4be48 JA	207	} while (0)
b5a4be48 JA	208
27c32a38 JA	209	extern int parse_jobs_ini(char *);
	210	extern int parse_options(int, char **);
	211	extern void finish_log(struct thread_data , struct io_log , const char *);
	212	extern int init_random_state(struct thread_data *);
	213
	214	extern int rate_quit;
	215	extern int write_lat_log;
	216	extern int write_bw_log;
	217	extern int exitall_on_terminate;
	218	extern int thread_number;
	219	extern int shm_id;
	220	extern int groupid;
	221
	222	extern char run_str[];
	223
	224	extern struct thread_data *threads;
	225
	226	enum {
	227	DDIR_READ = 0,
	228	DDIR_WRITE,
	229	};
	230
891e70f8 JA	231	/*
	232	* What type of allocation to use for io buffers
	233	*/
27c32a38	234	enum {
891e70f8 JA	235	MEM_MALLOC, /* ordinary malloc */
	236	MEM_SHM, /* use shared memory segments */
	237	MEM_MMAP, /* use anonynomous mmap */
27c32a38 JA	238	};
27c32a38 JA	239
891e70f8 JA	240	/*
	241	* The type of object we are working on
	242	*/
c4c8f7b3 JA	243	enum {
	244	FIO_TYPE_FILE = 1,
	245	FIO_TYPE_BD,
	246	};
	247
f5087211 JA	248	enum {
	249	FIO_SYNCIO = 0,
	250	FIO_LIBAIO,
	251	FIO_POSIXAIO,
	252	};
	253
27c32a38 JA	254	#define td_read(td) ((td)->ddir == DDIR_READ)
	255	#define td_write(td) ((td)->ddir == DDIR_WRITE)
	256
	257	#define BLOCKS_PER_MAP (8 * sizeof(long))
	258	#define TO_MAP_BLOCK(td, b) ((b) - ((td)->file_offset / (td)->min_bs))
	259	#define RAND_MAP_IDX(td, b) (TO_MAP_BLOCK(td, b) / BLOCKS_PER_MAP)
	260	#define RAND_MAP_BIT(td, b) (TO_MAP_BLOCK(td, b) & (BLOCKS_PER_MAP - 1))
	261
	262	#define MAX_JOBS (1024)
	263
0b100202 JA	264	struct disk_util_stat {
	265	unsigned ios[2];
	266	unsigned merges[2];
	267	unsigned long long sectors[2];
	268	unsigned ticks[2];
	269	unsigned io_ticks;
	270	unsigned time_in_queue;
	271	};
	272
6f75d67c JA	273	struct disk_util {
	274	struct list_head list;
	275
	276	char *name;
	277	char path[256];
	278	dev_t dev;
0b100202 JA	279
	280	struct disk_util_stat dus;
	281	struct disk_util_stat last_dus;
	282
6f75d67c JA	283	unsigned long msec;
	284	struct timeval time;
	285	};
	286
	287	#define DISK_UTIL_MSEC (250)
	288
27c32a38	289	#endif