X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.h;h=c5764c8f4f0d977ce10323c75db514d23d4755dc;hp=c1c71465b8789ada64ebf51a8c611358ca1e6fac;hb=1315a68a091816d284c5f46b28e419349aa821d8;hpb=433afcb4fe81e775c15af9d39a6f4db8a53d693a

diff --git a/fio.h b/fio.h
index c1c71465..c5764c8f 100644
--- a/fio.h
+++ b/fio.h
@@ -17,6 +17,7 @@
 #include "crc32.h"
 #include "arch.h"
 #include "os.h"
+#include "mutex.h"
 
 #ifdef FIO_HAVE_SYSLET
 #include "syslet.h"
@@ -28,6 +29,16 @@ 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
  */
@@ -71,8 +82,9 @@ 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
 
@@ -134,6 +146,11 @@ struct io_u {
 	struct fio_file *file;
 
 	struct list_head list;
+
+	/*
+	 * Callback for io completion
+	 */
+	int (*end_io)(struct io_u *);
 };
 
 /*
@@ -195,11 +212,16 @@ 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 << 1,	/* some sort of direct/raw io */
+	FIO_DISKLESSIO	= 1 << 2,	/* no disk involved */
+	FIO_NOEXTEND	= 1 << 3,	/* engine can't extend file */
+	FIO_NODISKUTIL  = 1 << 4,       /* diskutil can't handle filename */
+};
+
+enum fio_file_flags {
+	FIO_FILE_OPEN		= 1 << 0,	/* file is open */
+	FIO_FILE_UNLINK		= 1 << 1,	/* unlink on close */
+	FIO_FILE_CLOSING	= 1 << 2,	/* file being closed */
 };
 
 /*
@@ -207,6 +229,8 @@ enum fio_ioengine_flags {
  * this structure holds state information for a single file.
  */
 struct fio_file {
+	enum fio_filetype filetype;
+
 	/*
 	 * A file may not be a file descriptor, let the io engine decide
 	 */
@@ -229,10 +253,25 @@ struct fio_file {
 	unsigned int num_maps;
 	unsigned int last_free_lookup;
 
-	unsigned int unlink;
+	int references;
+	enum fio_file_flags flags;
 };
 
+/*
+ * 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;
@@ -255,44 +294,52 @@ 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[2];
+
+	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 *ioengine;
+	char verror[128];
 	pthread_t thread;
 	int thread_number;
 	int groupid;
 	struct thread_stat ts;
-	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;
@@ -333,6 +380,7 @@ 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;
@@ -340,6 +388,9 @@ 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;
@@ -364,12 +415,10 @@ 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
@@ -382,7 +431,6 @@ 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;
@@ -393,7 +441,7 @@ struct thread_data {
 	unsigned long long io_bytes[2];
 	unsigned long long this_io_bytes[2];
 	unsigned long long zone_bytes;
-	volatile int mutex;
+	struct fio_sem *mutex;
 
 	/*
 	 * State for random io, a bitmap of blocks done vs not done
@@ -408,7 +456,6 @@ 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
@@ -434,6 +481,21 @@ struct thread_data {
 	 */
 	struct timeval timeout_end;
 	struct itimerval timer;
+
+	/*
+	 * for fileservice, how often to switch to a new file
+	 */
+	unsigned int file_service_nr;
+	unsigned int file_service_left;
+	struct fio_file *file_service_file;
+};
+
+/*
+ * roundrobin available files, or choose one at random.
+ */
+enum {
+	FIO_FSERVICE_RANDOM	= 1,
+	FIO_FSERVICE_RR		= 2,
 };
 
 /*
@@ -443,21 +505,24 @@ struct thread_data {
 #define IO_U_TIMEOUT_INC	5
 #define IO_U_TIMEOUT		30
 
-#define __td_verror(td, err, msg)					\
+#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;
+extern int nr_process, nr_thread;
 extern int shm_id;
 extern int groupid;
 extern int terse_output;
@@ -468,9 +533,10 @@ 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))
@@ -520,11 +586,6 @@ struct disk_util {
 	struct timeval time;
 };
 
-/*
- * Callback for io completion
- */
-typedef int (endio_handler)(struct io_u *);
-
 #define DISK_UTIL_MSEC	(250)
 
 #ifndef min
@@ -574,9 +635,10 @@ 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
@@ -591,6 +653,11 @@ 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 *);
+extern void add_file(struct thread_data *, const char *);
+extern void get_file(struct fio_file *);
+extern void put_file(struct thread_data *, struct fio_file *);
 
 /*
  * ETA/status stuff
@@ -638,11 +705,13 @@ 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 *);
+extern void io_u_mark_depth(struct thread_data *, struct io_u *);
 
 /*
  * io engine entry points
@@ -653,30 +722,8 @@ 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 *);
-
-/*
- * This is a pretty crappy semaphore implementation, but with the use that fio
- * has (just signalling start/go conditions), it doesn't have to be better.
- * Naturally this would not work for any type of contended semaphore or
- * for real locking.
- */
-static inline void fio_sem_init(volatile int *sem, int val)
-{
-	*sem = val;
-}
-
-static inline void fio_sem_down(volatile int *sem)
-{
-	while (*sem == 0)
-		usleep(10000);
-
-	(*sem)--;
-}
-
-static inline void fio_sem_up(volatile int *sem)
-{
-	(*sem)++;
-}
+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 *);
 
 /*
  * If logging output to a file, stderr should go to both stderr and f_err
@@ -687,6 +734,9 @@ 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];
@@ -701,12 +751,13 @@ 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 *);
@@ -723,7 +774,7 @@ 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) < (td)->open_files; (i)++, (f)++)
 
 #define fio_assert(td, cond)	do {	\
 	if (!(cond)) {			\