#include "arch.h"
#include "os.h"
+enum fio_ddir {
+ DDIR_READ = 0,
+ DDIR_WRITE,
+ DDIR_SYNC,
+};
+
struct io_stat {
- unsigned long val;
- unsigned long val_sq;
unsigned long max_val;
unsigned long min_val;
unsigned long samples;
+
+ double mean;
+ double S;
};
struct io_sample {
unsigned long time;
unsigned long val;
- unsigned int ddir;
+ enum fio_ddir ddir;
};
struct io_log {
struct fio_file *file;
unsigned long long offset;
unsigned int len;
- int ddir;
+ enum fio_ddir ddir;
};
/*
unsigned int resid;
unsigned int error;
- unsigned char ddir;
+ enum fio_ddir ddir;
/*
* io engine private data
unsigned long long agg[2];
};
-enum fio_ddir {
- DDIR_READ = 0,
- DDIR_WRITE,
- DDIR_SYNC,
-};
-
/*
* What type of allocation to use for io buffers
*/
enum fio_memtype {
MEM_MALLOC = 0, /* ordinary malloc */
MEM_SHM, /* use shared memory segments */
+ MEM_SHMHUGE, /* use shared memory segments with huge pages */
MEM_MMAP, /* use anonynomous mmap */
+ MEM_MMAPHUGE, /* memory mapped huge file */
};
/*
FIO_CPUIO = 1 << 1,
FIO_MMAPIO = 1 << 2,
FIO_RAWIO = 1 << 3,
+ FIO_NETIO = 1 << 4,
};
struct fio_file {
unsigned long long real_file_size;
unsigned long long file_offset;
unsigned long long last_pos;
+ unsigned long long last_completed_pos;
unsigned long *file_map;
unsigned int num_maps;
+
+ unsigned int unlink;
};
+/*
+ * How many depth levels to log
+ */
+#define FIO_IO_U_MAP_NR 8
+
/*
* This describes a single thread/process executing a fio job.
*/
struct thread_data {
+ char *description;
char *name;
char *directory;
char *filename;
unsigned int bs[2];
unsigned int min_bs[2];
unsigned int max_bs[2];
+ unsigned int hugepage_size;
unsigned int rw_min_bs;
unsigned int thinktime;
+ unsigned int thinktime_blocks;
unsigned int fsync_blocks;
unsigned int start_delay;
unsigned long timeout;
unsigned long long zone_size;
unsigned long long zone_skip;
enum fio_memtype mem_type;
+ char *mmapfile;
+ int mmapfd;
unsigned int stonewall;
unsigned int numjobs;
unsigned int iodepth;
* 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 long total_io_u;
struct list_head io_u_freelist;
struct list_head io_u_busylist;
struct timeval start; /* start of this loop */
struct timeval epoch; /* time job was started */
+ struct timeval end_time;/* time job ended */
/*
* fio system usage accounting
extern int terse_output;
extern FILE *f_out;
extern FILE *f_err;
-extern const char *fio_inst_prefix;
extern int temp_stall_ts;
+extern unsigned long long mlock_size;
extern struct thread_data *threads;
int error; /* output */
unsigned long bytes_done[2]; /* output */
+ struct timeval time; /* output */
};
#define DISK_UTIL_MSEC (250)
/*
* Logging
*/
-extern void add_clat_sample(struct thread_data *, int, unsigned long);
-extern void add_slat_sample(struct thread_data *, int, unsigned long);
-extern void add_bw_sample(struct thread_data *, int);
+extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long);
+extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long);
+extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *);
extern void show_run_stats(void);
extern void init_disk_util(struct thread_data *);
extern void update_rusage_stat(struct thread_data *);
extern void disk_util_timer_arm(void);
extern void setup_log(struct io_log **);
extern void finish_log(struct thread_data *, struct io_log *, const char *);
+extern void __finish_log(struct io_log *, const char *);
extern int setup_rate(struct thread_data *);
+extern struct io_log *agg_io_log[2];
+extern int write_bw_log;
+extern void add_agg_sample(unsigned long, enum fio_ddir);
/*
* Time functions
*/
-extern void time_init(void);
extern unsigned long utime_since(struct timeval *, struct timeval *);
+extern unsigned long utime_since_now(struct timeval *);
extern unsigned long mtime_since(struct timeval *, struct timeval *);
extern unsigned long mtime_since_now(struct timeval *);
extern unsigned long time_since_now(struct timeval *);
extern void usec_sleep(struct thread_data *, unsigned long);
extern void rate_throttle(struct thread_data *, unsigned long, unsigned int, int);
extern void fill_start_time(struct timeval *);
+extern void fio_gettime(struct timeval *, void *);
/*
* Init functions
*/
extern void close_files(struct thread_data *);
extern int setup_files(struct thread_data *);
+extern int open_files(struct thread_data *);
extern int file_invalidate_cache(struct thread_data *, struct fio_file *);
/*
} while (0)
struct ioengine_ops {
+ struct list_head list;
char name[16];
int version;
int flags;
#define FIO_IOOPS_VERSION 3
extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *);
+extern int register_ioengine(struct ioengine_ops *);
+extern void unregister_ioengine(struct ioengine_ops *);
extern void close_ioengine(struct thread_data *);
/*
* Mark unused variables passed to ops functions as unused, to silence gcc
*/
#define fio_unused __attribute((__unused__))
+#define fio_init __attribute__((constructor))
+#define fio_exit __attribute__((destructor))
#define for_each_td(td, i) \
for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)