[disktools.git] / fio.h

#ifndef FIO_H
#define FIO_H

#include <sched.h>
#include <libaio.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"

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;
};

#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 use_aio;
	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;

	off_t cur_off;

	io_context_t aio_ctx;
	unsigned int aio_depth;
	struct io_event *aio_events;

	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;

	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,
};

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