#include <stdio.h>
#include <unistd.h>
#include <string.h>
-
-#include "list.h"
-#include "md5.h"
-#include "crc32.h"
-#include "arch.h"
-#include "os.h"
-
-#ifdef FIO_HAVE_SYSLET
-#include "syslet.h"
+#include <inttypes.h>
+#include <assert.h>
+
+struct thread_data;
+
+#include "compiler/compiler.h"
+#include "flist.h"
+#include "fifo.h"
+#include "rbtree.h"
+#include "arch/arch.h"
+#include "os/os.h"
+#include "mutex.h"
+#include "log.h"
+#include "debug.h"
+#include "file.h"
+#include "io_ddir.h"
+#include "ioengine.h"
+#include "iolog.h"
+#include "helpers.h"
+#include "options.h"
+#include "profile.h"
+#include "time.h"
+#include "lib/getopt.h"
+#include "lib/rand.h"
+#include "server.h"
+#include "stat.h"
+
+#ifdef FIO_HAVE_GUASI
+#include <guasi.h>
#endif
-enum fio_ddir {
- DDIR_READ = 0,
- DDIR_WRITE,
- DDIR_SYNC,
-};
-
-/*
- * Use for maintaining statistics
- */
-struct io_stat {
- unsigned long max_val;
- unsigned long min_val;
- unsigned long samples;
-
- double mean;
- double S;
-};
-
-/*
- * A single data sample
- */
-struct io_sample {
- unsigned long time;
- unsigned long val;
- enum fio_ddir ddir;
-};
-
-/*
- * Dynamically growing data sample log
- */
-struct io_log {
- unsigned long nr_samples;
- unsigned long max_samples;
- struct io_sample *log;
-};
-
-/*
- * When logging io actions, this matches a single sent io_u
- */
-struct io_piece {
- struct list_head list;
- struct fio_file *file;
- unsigned long long offset;
- unsigned long len;
- enum fio_ddir ddir;
-};
-
-#ifdef FIO_HAVE_SYSLET
-struct syslet_req {
- struct syslet_uatom atom;
- long ret;
-};
+#ifdef FIO_HAVE_SOLARISAIO
+#include <sys/asynch.h>
#endif
-/*
- * The io unit
- */
-struct io_u {
- union {
-#ifdef FIO_HAVE_LIBAIO
- struct iocb iocb;
-#endif
-#ifdef FIO_HAVE_POSIXAIO
- struct aiocb aiocb;
-#endif
-#ifdef FIO_HAVE_SGIO
- struct sg_io_hdr hdr;
-#endif
-#ifdef FIO_HAVE_SYSLET
- struct syslet_req req;
-#endif
- };
- struct timeval start_time;
- struct timeval issue_time;
-
- /*
- * Allocated/set buffer and length
- */
- void *buf;
- unsigned long buflen;
- unsigned long long offset;
-
- /*
- * IO engine state, may be different from above when we get
- * partial transfers / residual data counts
- */
- void *xfer_buf;
- unsigned long xfer_buflen;
-
- unsigned int resid;
- unsigned int error;
-
- enum fio_ddir ddir;
-
- /*
- * io engine private data
- */
- union {
- unsigned int index;
- unsigned int seen;
- };
-
- struct fio_file *file;
-
- struct list_head list;
-};
-
-/*
- * io_ops->queue() return values
- */
-enum {
- FIO_Q_COMPLETED = 0, /* completed sync */
- FIO_Q_QUEUED = 1, /* queued, will complete async */
-};
-
-#define FIO_HDR_MAGIC 0xf00baaef
-
-enum {
- VERIFY_NONE = 0, /* no verification */
- VERIFY_MD5, /* md5 sum data blocks */
- VERIFY_CRC32, /* crc32 sum data blocks */
-};
-
-/*
- * A header structure associated with each checksummed data block
- */
-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 long max_run[2], min_run[2];
- unsigned long long max_bw[2], min_bw[2];
- unsigned long long io_kb[2];
- unsigned long long agg[2];
-};
-
/*
* What type of allocation to use for io buffers
*/
};
/*
- * The type of object we are working on
+ * offset generator types
*/
-enum fio_filetype {
- FIO_TYPE_FILE = 1, /* plain file */
- FIO_TYPE_BD, /* block device */
- FIO_TYPE_CHAR, /* character device */
-};
-
-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) */
+enum {
+ RW_SEQ_SEQ = 0,
+ RW_SEQ_IDENT,
};
/*
- * Each thread_data structure has a number of files associated with it,
- * this structure holds state information for a single file.
+ * What type of errors to continue on when continue_on_error is used
*/
-struct fio_file {
- /*
- * A file may not be a file descriptor, let the io engine decide
- */
- union {
- unsigned long file_data;
- int fd;
- };
- char *file_name;
- void *mmap;
- unsigned long long file_size;
- unsigned long long real_file_size;
- unsigned long long file_offset;
- unsigned long long last_pos;
- unsigned long long last_completed_pos;
-
- /*
- * block map for random io
- */
- unsigned long *file_map;
- unsigned int num_maps;
- unsigned int last_free_lookup;
-
- unsigned int unlink;
+enum error_type {
+ ERROR_TYPE_NONE = 0,
+ ERROR_TYPE_READ = 1 << 0,
+ ERROR_TYPE_WRITE = 1 << 1,
+ ERROR_TYPE_VERIFY = 1 << 2,
+ ERROR_TYPE_ANY = 0xffff,
};
-/*
- * How many depth levels to log
- */
-#define FIO_IO_U_MAP_NR 8
-#define FIO_IO_U_LAT_NR 12
+struct bssplit {
+ unsigned int bs;
+ unsigned char perc;
+};
-/*
- * This describes a single thread/process executing a fio job.
- */
-struct thread_data {
+struct thread_options {
+ int pad;
char *description;
char *name;
char *directory;
char *filename;
- char verror[80];
- pthread_t thread;
- int thread_number;
- int groupid;
- enum fio_filetype filetype;
- struct fio_file *files;
+ char *opendir;
+ char *ioengine;
+ enum td_ddir td_ddir;
+ unsigned int rw_seq;
+ unsigned int kb_base;
+ unsigned int ddir_seq_nr;
+ long ddir_seq_add;
+ unsigned int iodepth;
+ unsigned int iodepth_low;
+ unsigned int iodepth_batch;
+ unsigned int iodepth_batch_complete;
+
+ unsigned long long size;
+ unsigned int size_percent;
+ unsigned int fill_device;
+ unsigned long long file_size_low;
+ unsigned long long file_size_high;
+ unsigned long long start_offset;
+
+ unsigned int bs[2];
+ unsigned int ba[2];
+ unsigned int min_bs[2];
+ unsigned int max_bs[2];
+ struct bssplit *bssplit[2];
+ unsigned int bssplit_nr[2];
+
unsigned int nr_files;
- unsigned int nr_uniq_files;
- unsigned int next_file;
- 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;
- unsigned int ioprio;
- unsigned int last_was_sync;
+ unsigned int open_files;
+ enum file_lock_mode file_lock_mode;
+ unsigned int lockfile_batch;
- unsigned int sequential;
unsigned int odirect;
unsigned int invalidate_cache;
unsigned int create_serialize;
unsigned int create_fsync;
+ unsigned int create_on_open;
unsigned int end_fsync;
+ unsigned int pre_read;
unsigned int sync_io;
unsigned int verify;
+ unsigned int do_verify;
+ unsigned int verifysort;
+ unsigned int verify_interval;
+ unsigned int verify_offset;
+ char verify_pattern[MAX_PATTERN_SIZE];
+ unsigned int verify_pattern_bytes;
+ unsigned int verify_fatal;
+ unsigned int verify_dump;
+ unsigned int verify_async;
+ unsigned long long verify_backlog;
+ unsigned int verify_batch;
unsigned int use_thread;
unsigned int unlink;
unsigned int do_disk_util;
unsigned int override_sync;
unsigned int rand_repeatable;
+ unsigned int use_os_rand;
unsigned int write_lat_log;
unsigned int write_bw_log;
+ unsigned int write_iops_log;
+ unsigned int log_avg_msec;
unsigned int norandommap;
+ unsigned int softrandommap;
unsigned int bs_unaligned;
+ unsigned int fsync_on_close;
- 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_spin;
unsigned int thinktime_blocks;
unsigned int fsync_blocks;
- unsigned int start_delay;
- unsigned long timeout;
+ unsigned int fdatasync_blocks;
+ unsigned int barrier_blocks;
+ unsigned long long start_delay;
+ unsigned long long timeout;
+ unsigned long long ramp_time;
unsigned int overwrite;
unsigned int bw_avg_time;
+ unsigned int iops_avg_time;
unsigned int loops;
+ unsigned long long zone_range;
unsigned long long zone_size;
unsigned long long zone_skip;
enum fio_memtype mem_type;
- char *mmapfile;
- int mmapfd;
+ unsigned int mem_align;
+
unsigned int stonewall;
+ unsigned int new_group;
unsigned int numjobs;
- unsigned int iodepth;
os_cpu_mask_t cpumask;
+ unsigned int cpumask_set;
+ os_cpu_mask_t verify_cpumask;
+ unsigned int verify_cpumask_set;
unsigned int iolog;
- unsigned int read_iolog;
unsigned int rwmixcycle;
- unsigned int rwmixread;
- unsigned int rwmixwrite;
+ unsigned int rwmix[2];
unsigned int nice;
+ unsigned int file_service_type;
+ unsigned int group_reporting;
+ unsigned int fadvise_hint;
+ enum fio_fallocate_mode fallocate_mode;
+ unsigned int zero_buffers;
+ unsigned int refill_buffers;
+ unsigned int scramble_buffers;
+ unsigned int time_based;
+ unsigned int disable_lat;
+ unsigned int disable_clat;
+ unsigned int disable_slat;
+ unsigned int disable_bw;
+ unsigned int gtod_reduce;
+ unsigned int gtod_cpu;
+ unsigned int gtod_offload;
+ enum fio_cs clocksource;
+ unsigned int no_stall;
+ unsigned int trim_percentage;
+ unsigned int trim_batch;
+ unsigned int trim_zero;
+ unsigned long long trim_backlog;
+ unsigned int clat_percentiles;
+ unsigned int overwrite_plist;
+ fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN];
char *read_iolog_file;
char *write_iolog_file;
+ char *bw_log_file;
+ char *lat_log_file;
+ char *iops_log_file;
+ char *replay_redirect;
+
+ /*
+ * Pre-run and post-run shell
+ */
+ char *exec_prerun;
+ char *exec_postrun;
+
+ unsigned int rate[2];
+ unsigned int ratemin[2];
+ unsigned int ratecycle;
+ unsigned int rate_iops[2];
+ unsigned int rate_iops_min[2];
+
+ char *ioscheduler;
+
+ /*
+ * CPU "io" cycle burner
+ */
+ unsigned int cpuload;
+ unsigned int cpucycle;
+
+ /*
+ * I/O Error handling
+ */
+ enum error_type continue_on_error;
+
+ /*
+ * Benchmark profile type
+ */
+ char *profile;
+
+ /*
+ * blkio cgroup support
+ */
+ char *cgroup;
+ unsigned int cgroup_weight;
+ unsigned int cgroup_nodelete;
+
+ unsigned int uid;
+ unsigned int gid;
+
+ unsigned int sync_file_range;
+};
+
+/*
+ * This describes a single thread/process executing a fio job.
+ */
+struct thread_data {
+ struct thread_options o;
+ void *eo;
+ char verror[FIO_VERROR_SIZE];
+ pthread_t thread;
+ int thread_number;
+ int groupid;
+ struct thread_stat ts;
+
+ struct io_log *slat_log;
+ struct io_log *clat_log;
+ struct io_log *lat_log;
+ struct io_log *bw_log;
+ struct io_log *iops_log;
+
+ uint64_t stat_io_bytes[2];
+ struct timeval bw_sample_time;
+
+ uint64_t stat_io_blocks[2];
+ struct timeval iops_sample_time;
+
+ struct rusage ru_start;
+ struct rusage ru_end;
+
+ struct fio_file **files;
+ unsigned int files_size;
+ unsigned int files_index;
+ unsigned int nr_open_files;
+ unsigned int nr_done_files;
+ unsigned int nr_normal_files;
+ union {
+ unsigned int next_file;
+ os_random_state_t next_file_state;
+ struct frand_state __next_file_state;
+ };
+ int error;
+ int done;
+ pid_t pid;
+ char *orig_buffer;
+ size_t orig_buffer_size;
+ volatile int terminate;
+ volatile int runstate;
+ unsigned int ioprio;
+ unsigned int ioprio_set;
+ unsigned int last_was_sync;
+ enum fio_ddir last_ddir;
+
+ char *mmapfile;
+ int mmapfd;
+
void *iolog_buf;
FILE *iolog_f;
char *sysfs_root;
- char *ioscheduler;
- os_random_state_t bsrange_state;
- os_random_state_t verify_state;
+ unsigned long rand_seeds[8];
+
+ union {
+ os_random_state_t bsrange_state;
+ struct frand_state __bsrange_state;
+ };
+ union {
+ os_random_state_t verify_state;
+ struct frand_state __verify_state;
+ };
+ union {
+ os_random_state_t trim_state;
+ struct frand_state __trim_state;
+ };
+
+ struct frand_state buf_state;
+
+ unsigned int verify_batch;
+ unsigned int trim_batch;
int shm_id;
struct ioengine_ops *io_ops;
/*
- * Current IO depth and list of free and busy io_u's.
+ * Queue depth of io_u's that fio MIGHT do
*/
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;
+
+ /*
+ * io_u's about to be committed
+ */
+ unsigned int io_u_queued;
+
+ /*
+ * io_u's submitted but not completed yet
+ */
+ unsigned int io_u_in_flight;
+
+ /*
+ * List of free and busy io_u's
+ */
+ struct flist_head io_u_freelist;
+ struct flist_head io_u_busylist;
+ struct flist_head io_u_requeues;
+ pthread_mutex_t io_u_lock;
+ pthread_cond_t free_cond;
+
+ /*
+ * async verify offload
+ */
+ struct flist_head verify_list;
+ pthread_t *verify_threads;
+ unsigned int nr_verify_threads;
+ pthread_cond_t verify_cond;
+ int verify_thread_exit;
/*
* Rate state
*/
- 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[2]; /* msec */
- unsigned long long io_size;
- unsigned long long total_file_size;
- unsigned long long start_offset;
+ unsigned long long rate_bps[2];
+ long rate_pending_usleep[2];
+ unsigned long rate_bytes[2];
+ unsigned long rate_blocks[2];
+ struct timeval lastrate[2];
+
unsigned long long total_io_size;
+ unsigned long long fill_device_size;
+ unsigned long io_issues[2];
unsigned long long io_blocks[2];
+ unsigned long long this_io_blocks[2];
unsigned long long io_bytes[2];
- unsigned long long zone_bytes;
+ unsigned long long io_skip_bytes;
unsigned long long this_io_bytes[2];
- volatile int mutex;
+ unsigned long long zone_bytes;
+ struct fio_mutex *mutex;
/*
* State for random io, a bitmap of blocks done vs not done
*/
- os_random_state_t random_state;
+ union {
+ os_random_state_t random_state;
+ struct frand_state __random_state;
+ };
+
+ struct timeval start; /* start of this loop */
+ struct timeval epoch; /* time job was started */
+ struct timeval last_issue;
+ struct timeval tv_cache;
+ unsigned int tv_cache_nr;
+ unsigned int tv_cache_mask;
+ unsigned int ramp_time_over;
/*
- * CPU "io" cycle burner
+ * read/write mixed workload state
*/
- unsigned int cpuload;
- unsigned int cpucycle;
+ union {
+ os_random_state_t rwmix_state;
+ struct frand_state __rwmix_state;
+ };
+ unsigned long rwmix_issues;
+ enum fio_ddir rwmix_ddir;
+ unsigned int ddir_seq_nr;
/*
- * bandwidth and latency stats
+ * IO history logs for verification. We use a tree for sorting,
+ * if we are overwriting. Otherwise just use a fifo.
*/
- struct io_stat clat_stat[2]; /* completion latency */
- struct io_stat slat_stat[2]; /* submission latency */
- struct io_stat bw_stat[2]; /* bandwidth stats */
-
- unsigned long long stat_io_bytes[2];
- struct timeval stat_sample_time[2];
+ struct rb_root io_hist_tree;
+ struct flist_head io_hist_list;
+ unsigned long io_hist_len;
- struct io_log *slat_log;
- struct io_log *clat_log;
- struct io_log *bw_log;
+ /*
+ * For IO replaying
+ */
+ struct flist_head io_log_list;
- struct timeval start; /* start of this loop */
- struct timeval epoch; /* time job was started */
- struct timeval end_time;/* time job ended */
+ /*
+ * For tracking/handling discards
+ */
+ struct flist_head trim_list;
+ unsigned long trim_entries;
/*
- * fio system usage accounting
+ * for fileservice, how often to switch to a new file
*/
- struct rusage ru_start;
- struct rusage ru_end;
- unsigned long usr_time;
- unsigned long sys_time;
- unsigned long ctx;
+ unsigned int file_service_nr;
+ unsigned int file_service_left;
+ struct fio_file *file_service_file;
+
+ unsigned int sync_file_range_nr;
/*
- * read/write mixed workload state
+ * For generating file sizes
*/
- os_random_state_t rwmix_state;
- struct timeval rwmix_switch;
- enum fio_ddir rwmix_ddir;
+ union {
+ os_random_state_t file_size_state;
+ struct frand_state __file_size_state;
+ };
/*
- * Pre-run and post-run shell
+ * Error counts
*/
- char *exec_prerun;
- char *exec_postrun;
+ unsigned int total_err_count;
+ int first_error;
/*
- * IO historic logs
+ * Can be overloaded by profiles
*/
- struct list_head io_hist_list;
- struct list_head io_log_list;
+ struct prof_io_ops prof_io_ops;
+ void *prof_data;
};
-#define __td_verror(td, err, msg) \
+/*
+ * when should interactive ETA output be generated
+ */
+enum {
+ FIO_ETA_AUTO,
+ FIO_ETA_ALWAYS,
+ FIO_ETA_NEVER,
+};
+
+#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)); \
+ if (!(td)->first_error) \
+ 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_clear_error(td) \
+ (td)->error = 0;
+#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))
+
+#define __fio_stringify_1(x) #x
+#define __fio_stringify(x) __fio_stringify_1(x)
extern int exitall_on_terminate;
-extern int thread_number;
+extern unsigned int thread_number;
+extern unsigned int nr_process, nr_thread;
extern int shm_id;
extern int groupid;
extern int terse_output;
-extern FILE *f_out;
-extern FILE *f_err;
extern int temp_stall_ts;
extern unsigned long long mlock_size;
+extern unsigned long page_mask, page_size;
+extern int read_only;
+extern int eta_print;
+extern unsigned long done_secs;
+extern char *job_section;
+extern int fio_gtod_offload;
+extern int fio_gtod_cpu;
+extern enum fio_cs fio_clock_source;
+extern int warnings_fatal;
+extern int terse_version;
+extern int is_backend;
+extern int nr_clients;
+extern int log_syslog;
+extern const char fio_version_string[];
+extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN];
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)
+static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
+{
+ assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
+}
+
+#define BLOCKS_PER_MAP (8 * sizeof(unsigned long))
+#define TO_MAP_BLOCK(f, b) (b)
+#define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
+#define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
+
+#define REAL_MAX_JOBS 2048
-#define BLOCKS_PER_MAP (8 * sizeof(long))
-#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 td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
+
+static inline enum error_type td_error_type(enum fio_ddir ddir, int err)
+{
+ if (err == EILSEQ)
+ return ERROR_TYPE_VERIFY;
+ if (ddir == DDIR_READ)
+ return ERROR_TYPE_READ;
+ return ERROR_TYPE_WRITE;
+}
-#define MAX_JOBS (1024)
+static inline void update_error_count(struct thread_data *td, int err)
+{
+ td->total_err_count++;
+ if (td->total_err_count == 1)
+ td->first_error = err;
+}
static inline int should_fsync(struct thread_data *td)
{
if (td->last_was_sync)
return 0;
- if (td->odirect)
+ if (td->o.odirect)
return 0;
- if (td_write(td) || td_rw(td) || td->override_sync)
+ if (td_write(td) || td_rw(td) || td->o.override_sync)
return 1;
return 0;
}
/*
- * Disk utils as read in /sys/block/<dev>/stat
- */
-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;
-};
-
-/*
- * Per-device disk util management
- */
-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;
-};
-
-/*
- * Used for passing io_u completion data
- */
-typedef int (icd_handler)(struct io_u *);
-struct io_completion_data {
- int nr; /* input */
- icd_handler *handler; /* input */
-
- 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
- */
-extern int read_iolog_get(struct thread_data *, struct io_u *);
-extern void write_iolog_put(struct thread_data *, struct io_u *);
-extern int init_iolog(struct thread_data *td);
-extern void log_io_piece(struct thread_data *, struct io_u *);
-extern void prune_io_piece_log(struct thread_data *);
-extern void write_iolog_close(struct thread_data *);
-
-/*
- * Logging
- */
-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 update_io_ticks(void);
-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 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, int);
-extern void fill_start_time(struct timeval *);
-extern void fio_gettime(struct timeval *, void *);
-
-/*
- * Init functions
- */
-extern int parse_options(int, char **);
-extern int init_random_state(struct thread_data *);
-
-/*
- * File setup/shutdown
+ * Init/option 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 __must_check parse_options(int, char **);
+extern int parse_jobs_ini(char *, int, int);
+extern int parse_cmd_line(int, char **);
+extern int exec_run(void);
+extern void reset_fio_state(void);
+extern int fio_options_parse(struct thread_data *, char **, int);
+extern void fio_keywords_init(void);
+extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
+extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
+extern void fio_fill_default_options(struct thread_data *);
+extern int fio_show_option_help(const char *);
+extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
+extern void fio_options_dup_and_init(struct option *);
+extern void fio_options_mem_dupe(struct thread_data *);
+extern void options_mem_dupe(void *data, struct fio_option *options);
+extern void td_fill_rand_seeds(struct thread_data *);
+extern void add_job_opts(const char **);
+extern char *num2str(unsigned long, int, int, int);
+extern int ioengine_load(struct thread_data *);
+
+#define FIO_GETOPT_JOB 0x89000000
+#define FIO_GETOPT_IOENGINE 0x98000000
+#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
/*
* ETA/status stuff
TD_NOT_CREATED = 0,
TD_CREATED,
TD_INITIALIZED,
+ TD_RAMP,
TD_RUNNING,
+ TD_PRE_READING,
TD_VERIFYING,
TD_FSYNCING,
TD_EXITED,
TD_REAPED,
};
-/*
- * Verify helpers
- */
-extern void populate_verify_io_u(struct thread_data *, struct io_u *);
-extern int get_next_verify(struct thread_data *td, struct io_u *);
-extern int verify_io_u(struct io_u *);
+extern void td_set_runstate(struct thread_data *, int);
+#define TERMINATE_ALL (-1)
+extern void fio_terminate_threads(int);
/*
* Memory helpers
*/
-extern int fio_pin_memory(void);
+extern int __must_check fio_pin_memory(void);
extern void fio_unpin_memory(void);
-extern int allocate_io_mem(struct thread_data *);
+extern int __must_check allocate_io_mem(struct thread_data *);
extern void free_io_mem(struct thread_data *);
/*
- * io unit handling
+ * Reset stats after ramp time completes
*/
-#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 *);
-extern void init_icd(struct io_completion_data *, icd_handler *, int);
-
-/*
- * 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.
- * 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 void reset_all_stats(struct thread_data *);
/*
- * If logging output to a file, stderr should go to both stderr and f_err
+ * blktrace support
*/
-#define log_err(args...) do { \
- fprintf(f_err, ##args); \
- if (f_err != stderr) \
- fprintf(stderr, ##args); \
- } while (0)
-
-struct ioengine_ops {
- struct list_head list;
- char name[16];
- int version;
- int flags;
- int (*setup)(struct thread_data *);
- int (*init)(struct thread_data *);
- int (*prep)(struct thread_data *, struct io_u *);
- int (*queue)(struct thread_data *, struct io_u *);
- int (*getevents)(struct thread_data *, int, int, struct timespec *);
- struct io_u *(*event)(struct thread_data *, int);
- int (*cancel)(struct thread_data *, struct io_u *);
- void (*cleanup)(struct thread_data *);
- void *data;
- void *dlhandle;
- unsigned long priv;
-};
-
-#define FIO_IOOPS_VERSION 4
-
-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 *);
+#ifdef FIO_HAVE_BLKTRACE
+extern int is_blktrace(const char *);
+extern int load_blktrace(struct thread_data *, const char *);
+#endif
/*
* Mark unused variables passed to ops functions as unused, to silence gcc
#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)++)
+ if ((td)->files_index) \
+ for ((i) = 0, (f) = (td)->files[0]; \
+ (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
+ (i)++)
#define fio_assert(td, cond) do { \
if (!(cond)) { \
int *__foo = NULL; \
fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
- (td)->runstate = TD_EXITED; \
+ td_set_runstate((td), TD_EXITED); \
(td)->error = EFAULT; \
*__foo = 0; \
} \
} while (0)
+static inline int fio_fill_issue_time(struct thread_data *td)
+{
+ if (td->o.read_iolog_file ||
+ !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
+ return 1;
+
+ return 0;
+}
+
+static inline int __should_check_rate(struct thread_data *td,
+ enum fio_ddir ddir)
+{
+ struct thread_options *o = &td->o;
+
+ /*
+ * If some rate setting was given, we need to check it
+ */
+ if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
+ o->rate_iops_min[ddir])
+ return 1;
+
+ return 0;
+}
+
+static inline int should_check_rate(struct thread_data *td,
+ unsigned long *bytes_done)
+{
+ int ret = 0;
+
+ if (bytes_done[0])
+ ret |= __should_check_rate(td, 0);
+ if (bytes_done[1])
+ ret |= __should_check_rate(td, 1);
+
+ return ret;
+}
+
+static inline int is_power_of_2(unsigned int val)
+{
+ return (val != 0 && ((val & (val - 1)) == 0));
+}
+
+/*
+ * We currently only need to do locking if we have verifier threads
+ * accessing our internal structures too
+ */
+static inline void td_io_u_lock(struct thread_data *td)
+{
+ if (td->o.verify_async)
+ pthread_mutex_lock(&td->io_u_lock);
+}
+
+static inline void td_io_u_unlock(struct thread_data *td)
+{
+ if (td->o.verify_async)
+ pthread_mutex_unlock(&td->io_u_lock);
+}
+
+static inline void td_io_u_free_notify(struct thread_data *td)
+{
+ if (td->o.verify_async)
+ pthread_cond_signal(&td->free_cond);
+}
+
+extern const char *fio_get_arch_string(int);
+extern const char *fio_get_os_string(int);
+
#endif