#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
+#include <string.h>
#include "list.h"
#include "md5.h"
#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;
};
/*
struct timeval start_time;
struct timeval issue_time;
- char *buf;
+ void *buf;
unsigned int buflen;
unsigned long long offset;
- unsigned int index;
+
+ void *xfer_buf;
+ unsigned int xfer_buflen;
unsigned int resid;
unsigned int error;
- unsigned char seen;
- unsigned char ddir;
+ enum fio_ddir ddir;
+
+ /*
+ * io engine private data
+ */
+ union {
+ unsigned int index;
+ unsigned int seen;
+ };
struct fio_file *file;
unsigned long long agg[2];
};
-enum fio_ddir {
- DDIR_READ = 0,
- DDIR_WRITE,
-};
-
/*
* 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,
+ FIO_NULLIO = 1 << 5,
};
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;
- int fileno;
+ 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 name[32];
+ char *description;
+ char *name;
char *directory;
+ char *filename;
char verror[80];
pthread_t thread;
int thread_number;
enum fio_filetype filetype;
struct fio_file *files;
unsigned int nr_files;
+ unsigned int nr_uniq_files;
unsigned int next_file;
int error;
pid_t pid;
enum fio_ddir ddir;
unsigned int iomix;
unsigned int ioprio;
-
- unsigned char sequential;
- unsigned char odirect;
- unsigned char invalidate_cache;
- unsigned char create_serialize;
- unsigned char create_fsync;
- unsigned char end_fsync;
- unsigned char sync_io;
- unsigned char verify;
- unsigned char use_thread;
- unsigned char unlink;
- unsigned char do_disk_util;
- unsigned char override_sync;
- unsigned char rand_repeatable;
-
- unsigned int bs;
- unsigned int min_bs;
- unsigned int max_bs;
+ unsigned int last_was_sync;
+
+ unsigned int sequential;
+ unsigned int odirect;
+ unsigned int invalidate_cache;
+ unsigned int create_serialize;
+ unsigned int create_fsync;
+ unsigned int end_fsync;
+ unsigned int sync_io;
+ unsigned int verify;
+ unsigned int use_thread;
+ unsigned int unlink;
+ unsigned int do_disk_util;
+ unsigned int override_sync;
+ unsigned int rand_repeatable;
+ unsigned int write_lat_log;
+ unsigned int write_bw_log;
+ unsigned int norandommap;
+ unsigned int bs_unaligned;
+
+ 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;
os_cpu_mask_t cpumask;
unsigned int iolog;
unsigned int read_iolog;
- unsigned int write_iolog;
unsigned int rwmixcycle;
unsigned int rwmixread;
+ unsigned int rwmixwrite;
unsigned int nice;
- char *iolog_file;
+ char *read_iolog_file;
+ char *write_iolog_file;
void *iolog_buf;
FILE *iolog_f;
* 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
#define td_verror(td, err) __td_verror((td), (err), strerror((err)))
#define td_vmsg(td, err, msg) __td_verror((td), (err), (msg))
-extern struct io_u *__get_io_u(struct thread_data *);
-extern void put_io_u(struct thread_data *, struct io_u *);
-
-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 terse_output;
extern FILE *f_out;
extern FILE *f_err;
-extern char *fio_inst_prefix;
extern int temp_stall_ts;
+extern unsigned long long mlock_size;
extern struct thread_data *threads;
#define td_rw(td) ((td)->iomix != 0)
#define BLOCKS_PER_MAP (8 * sizeof(long))
-#define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->min_bs))
+#define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->rw_min_bs))
#define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP)
#define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1))
#define MAX_JOBS (1024)
+static inline int should_fsync(struct thread_data *td)
+{
+ if (td->last_was_sync)
+ return 0;
+ if (td->odirect)
+ return 0;
+ if (td_write(td) || td_rw(td) || td->override_sync)
+ return 1;
+
+ return 0;
+}
+
struct disk_util_stat {
unsigned ios[2];
unsigned merges[2];
int error; /* output */
unsigned long bytes_done[2]; /* output */
+ struct timeval time; /* output */
};
#define DISK_UTIL_MSEC (250)
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
+#ifndef max
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#endif
/*
* Log exports
/*
* 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 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);
+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 *);
/*
extern int get_next_verify(struct thread_data *td, struct io_u *);
extern int do_io_u_verify(struct thread_data *, struct io_u **);
+/*
+ * Memory helpers
+ */
+extern int fio_pin_memory(void);
+extern void fio_unpin_memory(void);
+extern int allocate_io_mem(struct thread_data *);
+extern void free_io_mem(struct thread_data *);
+
+/*
+ * io unit handling
+ */
+#define queue_full(td) list_empty(&(td)->io_u_freelist)
+extern struct io_u *__get_io_u(struct thread_data *);
+extern struct io_u *get_io_u(struct thread_data *, struct fio_file *);
+extern void put_io_u(struct thread_data *, struct io_u *);
+extern void ios_completed(struct thread_data *, struct io_completion_data *);
+extern void io_completed(struct thread_data *, struct io_u *, struct io_completion_data *);
+
+/*
+ * io engine entry points
+ */
+extern int td_io_init(struct thread_data *);
+extern int td_io_prep(struct thread_data *, struct io_u *);
+extern int td_io_queue(struct thread_data *, struct io_u *);
+extern int td_io_sync(struct thread_data *, struct fio_file *);
+extern int td_io_getevents(struct thread_data *, int, int, struct timespec *);
+
/*
* 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.
} while (0)
struct ioengine_ops {
+ struct list_head list;
char name[16];
int version;
int flags;
struct io_u *(*event)(struct thread_data *, int);
int (*cancel)(struct thread_data *, struct io_u *);
void (*cleanup)(struct thread_data *);
- int (*sync)(struct thread_data *, struct fio_file *);
void *data;
void *dlhandle;
};
-#define FIO_IOOPS_VERSION 2
+#define FIO_IOOPS_VERSION 3
-extern struct ioengine_ops *load_ioengine(struct thread_data *, char *);
+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)++)
projects / fio.git / blobdiff