X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=fio.h;h=7f314defb83e303f64c6fd710ce8670f9901840c;hb=a978ba684deb758465a0ccb18a008797636e8054;hp=aeb45bf73611bd718ae0cfd89294b04c600e9fb6;hpb=19abcd3d54b1a9c16a9042f07e937b2e35d9c6bc;p=fio.git

diff --git a/fio.h b/fio.h
index aeb45bf7..7f314def 100644
--- a/fio.h
+++ b/fio.h
@@ -28,6 +28,16 @@ enum fio_ddir {
 	DDIR_SYNC,
 };
 
+enum td_ddir {
+	TD_DDIR_READ		= 1 << 0,
+	TD_DDIR_WRITE		= 1 << 1,
+	TD_DDIR_RAND		= 1 << 2,
+	TD_DDIR_RW		= TD_DDIR_READ | TD_DDIR_WRITE,
+	TD_DDIR_RANDREAD	= TD_DDIR_READ | TD_DDIR_RAND,
+	TD_DDIR_RANDWRITE	= TD_DDIR_WRITE | TD_DDIR_RAND,
+	TD_DDIR_RANDRW		= TD_DDIR_RW | TD_DDIR_RAND,
+};
+
 /*
  * Use for maintaining statistics
  */
@@ -71,11 +81,17 @@ struct io_piece {
 
 #ifdef FIO_HAVE_SYSLET
 struct syslet_req {
-	struct syslet_uatom atom;
-	long ret;
+	struct syslet_uatom atom;	/* the atom to submit */
+	struct syslet_uatom *head;	/* head of the sequence */
+	long ret;			/* syscall return value */
 };
 #endif
 
+enum {
+	IO_U_F_FREE	= 1 << 0,
+	IO_U_F_FLIGHT	= 1 << 1,
+};
+
 /*
  * The io unit
  */
@@ -124,9 +140,16 @@ struct io_u {
 		unsigned int seen;
 	};
 
+	unsigned int flags;
+
 	struct fio_file *file;
 
 	struct list_head list;
+
+	/*
+	 * Callback for io completion
+	 */
+	int (*end_io)(struct io_u *);
 };
 
 /*
@@ -189,10 +212,8 @@ enum fio_filetype {
 enum fio_ioengine_flags {
 	FIO_SYNCIO	= 1 << 0,	/* io engine has synchronous ->queue */
 	FIO_CPUIO	= 1 << 1,	/* cpu burner, doesn't do real io */
-	FIO_MMAPIO	= 1 << 2,	/* uses memory mapped io */
-	FIO_RAWIO	= 1 << 3,	/* some sort of direct/raw io */
-	FIO_NETIO	= 1 << 4,	/* networked io */
-	FIO_NULLIO	= 1 << 5,	/* no real data transfer (cpu/null) */
+	FIO_RAWIO	= 1 << 2,	/* some sort of direct/raw io */
+	FIO_DISKLESSIO	= 1 << 3,	/* no disk involved */
 };
 
 /*
@@ -223,9 +244,24 @@ struct fio_file {
 	unsigned int last_free_lookup;
 
 	unsigned int unlink;
+	unsigned int open;
 };
 
+/*
+ * How many depth levels to log
+ */
+#define FIO_IO_U_MAP_NR	8
+#define FIO_IO_U_LAT_NR 12
+
 struct thread_stat {
+	char *name;
+	char *verror;
+	int error;
+	int groupid;
+	pid_t pid;
+	char *description;
+	int members;
+
 	struct io_log *slat_log;
 	struct io_log *clat_log;
 	struct io_log *bw_log;
@@ -248,23 +284,29 @@ struct thread_stat {
 	unsigned long usr_time;
 	unsigned long sys_time;
 	unsigned long ctx;
-};
 
-/*
- * How many depth levels to log
- */
-#define FIO_IO_U_MAP_NR	8
-#define FIO_IO_U_LAT_NR 12
+	/*
+	 * IO depth and latency stats
+	 */
+	unsigned int io_u_map[FIO_IO_U_MAP_NR];
+	unsigned int io_u_lat[FIO_IO_U_LAT_NR];
+	unsigned long total_io_u;
+
+	unsigned long long io_bytes[2];
+	unsigned long runtime[2];
+	unsigned long total_run_time;
+};
 
 /*
  * This describes a single thread/process executing a fio job.
  */
 struct thread_data {
+	int pad;
 	char *description;
 	char *name;
 	char *directory;
 	char *filename;
-	char verror[80];
+	char verror[128];
 	pthread_t thread;
 	int thread_number;
 	int groupid;
@@ -272,20 +314,22 @@ struct thread_data {
 	enum fio_filetype filetype;
 	struct fio_file *files;
 	unsigned int nr_files;
+	unsigned int nr_open_files;
 	unsigned int nr_uniq_files;
-	unsigned int next_file;
+	union {
+		unsigned int next_file;
+		os_random_state_t next_file_state;
+	};
 	int error;
 	pid_t pid;
 	char *orig_buffer;
 	size_t orig_buffer_size;
 	volatile int terminate;
 	volatile int runstate;
-	enum fio_ddir ddir;
-	unsigned int iomix;
+	enum td_ddir td_ddir;
 	unsigned int ioprio;
 	unsigned int last_was_sync;
 
-	unsigned int sequential;
 	unsigned int odirect;
 	unsigned int invalidate_cache;
 	unsigned int create_serialize;
@@ -326,6 +370,7 @@ struct thread_data {
 	unsigned int numjobs;
 	unsigned int iodepth;
 	unsigned int iodepth_low;
+	unsigned int iodepth_batch;
 	os_cpu_mask_t cpumask;
 	unsigned int iolog;
 	unsigned int read_iolog;
@@ -333,6 +378,9 @@ struct thread_data {
 	unsigned int rwmixread;
 	unsigned int rwmixwrite;
 	unsigned int nice;
+	unsigned int file_service_type;
+	unsigned int group_reporting;
+	unsigned int open_files;
 
 	char *read_iolog_file;
 	char *write_iolog_file;
@@ -357,12 +405,10 @@ struct thread_data {
 	 * Current IO depth and list of free and busy io_u's.
 	 */
 	unsigned int cur_depth;
-	unsigned int io_u_map[FIO_IO_U_MAP_NR];
-	unsigned int io_u_lat[FIO_IO_U_LAT_NR];
-	unsigned long total_io_u;
 	struct list_head io_u_freelist;
 	struct list_head io_u_busylist;
 	struct list_head io_u_requeues;
+	unsigned int io_u_queued;
 
 	/*
 	 * Rate state
@@ -375,7 +421,6 @@ struct thread_data {
 	unsigned long rate_bytes;
 	struct timeval lastrate;
 
-	unsigned long runtime[2];		/* msec */
 	unsigned long long io_size;
 	unsigned long long total_file_size;
 	unsigned long long start_offset;
@@ -401,7 +446,6 @@ struct thread_data {
 
 	struct timeval start;	/* start of this loop */
 	struct timeval epoch;	/* time job was started */
-	struct timeval end_time;/* time job ended */
 
 	/*
 	 * read/write mixed workload state
@@ -421,20 +465,43 @@ struct thread_data {
 	 */
 	struct list_head io_hist_list;
 	struct list_head io_log_list;
+
+	/*
+	 * timeout handling
+	 */
+	struct timeval timeout_end;
+	struct itimerval timer;
+};
+
+/*
+ * roundrobin available files, or choose one at random.
+ */
+enum {
+	FIO_FSERVICE_RANDOM	= 1,
+	FIO_FSERVICE_RR		= 2,
 };
 
-#define __td_verror(td, err, msg)					\
+/*
+ * 30 second per-io_u timeout, with 5 second intervals to avoid resetting
+ * the timer on each queue operation.
+ */
+#define IO_U_TIMEOUT_INC	5
+#define IO_U_TIMEOUT		30
+
+#define __td_verror(td, err, msg, func)					\
 	do {								\
 		if ((td)->error)					\
 			break;						\
 		int e = (err);						\
 		(td)->error = e;					\
-		snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg));	\
+		snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg));	\
 	} while (0)
 
 
-#define td_verror(td, err)	__td_verror((td), (err), strerror((err)))
-#define td_vmsg(td, err, msg)	__td_verror((td), (err), (msg))
+#define td_verror(td, err, func)	\
+	__td_verror((td), (err), strerror((err)), (func))
+#define td_vmsg(td, err, msg, func)	\
+	__td_verror((td), (err), (msg), (func))
 
 extern int exitall_on_terminate;
 extern int thread_number;
@@ -448,9 +515,10 @@ extern unsigned long long mlock_size;
 
 extern struct thread_data *threads;
 
-#define td_read(td)		((td)->ddir == DDIR_READ)
-#define td_write(td)		((td)->ddir == DDIR_WRITE)
-#define td_rw(td)		((td)->iomix != 0)
+#define td_read(td)		((td)->td_ddir & TD_DDIR_READ)
+#define td_write(td)		((td)->td_ddir & TD_DDIR_WRITE)
+#define td_rw(td)		(((td)->td_ddir & TD_DDIR_RW) == TD_DDIR_RW)
+#define td_random(td)		((td)->td_ddir & TD_DDIR_RAND)
 
 #define BLOCKS_PER_MAP		(8 * sizeof(long))
 #define TO_MAP_BLOCK(td, f, b)	((b) - ((f)->file_offset / (td)->rw_min_bs))
@@ -500,11 +568,6 @@ struct disk_util {
 	struct timeval time;
 };
 
-/*
- * Callback for io completion
- */
-typedef int (endio_handler)(struct io_u *);
-
 #define DISK_UTIL_MSEC	(250)
 
 #ifndef min
@@ -554,9 +617,10 @@ extern unsigned long time_since_now(struct timeval *);
 extern unsigned long mtime_since_genesis(void);
 extern void __usec_sleep(unsigned int);
 extern void usec_sleep(struct thread_data *, unsigned long);
-extern void rate_throttle(struct thread_data *, unsigned long, unsigned int, int);
+extern void rate_throttle(struct thread_data *, unsigned long, unsigned int);
 extern void fill_start_time(struct timeval *);
 extern void fio_gettime(struct timeval *, void *);
+extern void set_genesis_time(void);
 
 /*
  * Init functions
@@ -571,6 +635,8 @@ extern void close_files(struct thread_data *);
 extern int __must_check setup_files(struct thread_data *);
 extern int __must_check open_files(struct thread_data *);
 extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *);
+extern int __must_check generic_open_file(struct thread_data *, struct fio_file *);
+extern void generic_close_file(struct thread_data *, struct fio_file *);
 
 /*
  * ETA/status stuff
@@ -618,9 +684,12 @@ extern struct io_u *__get_io_u(struct thread_data *);
 extern struct io_u *get_io_u(struct thread_data *);
 extern void put_io_u(struct thread_data *, struct io_u *);
 extern void requeue_io_u(struct thread_data *, struct io_u **);
-extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *, endio_handler *);
-extern long __must_check io_u_queued_complete(struct thread_data *, int, endio_handler *);
+extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *);
+extern long __must_check io_u_queued_complete(struct thread_data *, int);
 extern void io_u_queued(struct thread_data *, struct io_u *);
+extern void io_u_log_error(struct thread_data *, struct io_u *);
+extern void io_u_init_timeout(void);
+extern void io_u_set_timeout(struct thread_data *);
 
 /*
  * io engine entry points
@@ -631,6 +700,8 @@ extern int __must_check td_io_queue(struct thread_data *, struct io_u *);
 extern int __must_check td_io_sync(struct thread_data *, struct fio_file *);
 extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *);
 extern int __must_check td_io_commit(struct thread_data *);
+extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *);
+extern void td_io_close_file(struct thread_data *, struct fio_file *);
 
 /*
  * This is a pretty crappy semaphore implementation, but with the use that fio
@@ -665,6 +736,9 @@ static inline void fio_sem_up(volatile int *sem)
 		fprintf(stderr, ##args);	\
 	} while (0)
 
+FILE *get_f_out(void);
+FILE *get_f_err(void);
+
 struct ioengine_ops {
 	struct list_head list;
 	char name[16];
@@ -679,12 +753,13 @@ struct ioengine_ops {
 	struct io_u *(*event)(struct thread_data *, int);
 	int (*cancel)(struct thread_data *, struct io_u *);
 	void (*cleanup)(struct thread_data *);
+	int (*open_file)(struct thread_data *, struct fio_file *);
+	void (*close_file)(struct thread_data *, struct fio_file *);
 	void *data;
 	void *dlhandle;
-	unsigned long priv;
 };
 
-#define FIO_IOOPS_VERSION	5
+#define FIO_IOOPS_VERSION	6
 
 extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *);
 extern void register_ioengine(struct ioengine_ops *);
@@ -701,7 +776,7 @@ extern void close_ioengine(struct thread_data *);
 #define for_each_td(td, i)	\
 	for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
 #define for_each_file(td, f, i)	\
-	for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f)++)
+	for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->open_files; (i)++, (f)++)
 
 #define fio_assert(td, cond)	do {	\
 	if (!(cond)) {			\