blob: d8e3011bb4f19a17eb3b542d16af0a693e995ee9 [file] [log] [blame]
#ifndef FIO_H
#define FIO_H
#include <sched.h>
#include <limits.h>
#include <pthread.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.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"
#ifdef FIO_HAVE_GUASI
#include <guasi.h>
#endif
#ifdef FIO_HAVE_SOLARISAIO
#include <sys/asynch.h>
#endif
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];
unsigned int kb_base;
};
/*
* 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 */
};
/*
* offset generator types
*/
enum {
RW_SEQ_SEQ = 0,
RW_SEQ_IDENT,
};
/*
* How many depth levels to log
*/
#define FIO_IO_U_MAP_NR 7
#define FIO_IO_U_LAT_U_NR 10
#define FIO_IO_U_LAT_M_NR 12
#define MAX_PATTERN_SIZE 512
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 *lat_log;
struct io_log *bw_log;
/*
* bandwidth and latency stats
*/
struct io_stat clat_stat[2]; /* completion latency */
struct io_stat slat_stat[2]; /* submission latency */
struct io_stat lat_stat[2]; /* total latency */
struct io_stat bw_stat[2]; /* bandwidth stats */
unsigned long long stat_io_bytes[2];
struct timeval stat_sample_time[2];
/*
* fio system usage accounting
*/
struct rusage ru_start;
struct rusage ru_end;
unsigned long usr_time;
unsigned long sys_time;
unsigned long ctx;
unsigned long minf, majf;
/*
* IO depth and latency stats
*/
unsigned int io_u_map[FIO_IO_U_MAP_NR];
unsigned int io_u_submit[FIO_IO_U_MAP_NR];
unsigned int io_u_complete[FIO_IO_U_MAP_NR];
unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR];
unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR];
unsigned long total_io_u[3];
unsigned long short_io_u[3];
unsigned long total_submit;
unsigned long total_complete;
unsigned long long io_bytes[2];
unsigned long long runtime[2];
unsigned long total_run_time;
/*
* IO Error related stats
*/
unsigned continue_on_error;
unsigned long total_err_count;
int first_error;
unsigned int kb_base;
};
struct bssplit {
unsigned int bs;
unsigned char perc;
};
struct thread_options {
int pad;
char *description;
char *name;
char *directory;
char *filename;
char *opendir;
char *ioengine;
enum td_ddir td_ddir;
unsigned int rw_seq;
unsigned int kb_base;
unsigned int ddir_seq_nr;
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 open_files;
enum file_lock_mode file_lock_mode;
unsigned int lockfile_batch;
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 norandommap;
unsigned int softrandommap;
unsigned int bs_unaligned;
unsigned int fsync_on_close;
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 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 loops;
unsigned long long zone_size;
unsigned long long zone_skip;
enum fio_memtype mem_type;
unsigned int mem_align;
unsigned int stonewall;
unsigned int new_group;
unsigned int numjobs;
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 rwmixcycle;
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 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;
char *read_iolog_file;
char *write_iolog_file;
char *bw_log_file;
char *lat_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
*/
unsigned int 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;
};
#define FIO_VERROR_SIZE 128
/*
* This describes a single thread/process executing a fio job.
*/
struct thread_data {
struct thread_options o;
char verror[FIO_VERROR_SIZE];
pthread_t thread;
int thread_number;
int groupid;
struct thread_stat ts;
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;
unsigned long rand_seeds[7];
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;
};
unsigned int verify_batch;
unsigned int trim_batch;
int shm_id;
/*
* IO engine hooks, contains everything needed to submit an io_u
* to any of the available IO engines.
*/
struct ioengine_ops *io_ops;
/*
* Current IO depth and list of free and busy io_u's.
*/
unsigned int cur_depth;
unsigned int io_u_queued;
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 long rate_nsec_cycle[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 io_bytes[2];
unsigned long long io_skip_bytes;
unsigned long long this_io_bytes[2];
unsigned long long zone_bytes;
struct fio_mutex *mutex;
/*
* State for random io, a bitmap of blocks done vs not done
*/
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;
/*
* read/write mixed workload state
*/
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;
/*
* IO history logs for verification. We use a tree for sorting,
* if we are overwriting. Otherwise just use a fifo.
*/
struct rb_root io_hist_tree;
struct flist_head io_hist_list;
unsigned long io_hist_len;
/*
* For IO replaying
*/
struct flist_head io_log_list;
/*
* For tracking/handling discards
*/
struct flist_head trim_list;
unsigned long trim_entries;
/*
* 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;
unsigned int sync_file_range_nr;
/*
* For generating file sizes
*/
union {
os_random_state_t file_size_state;
struct frand_state __file_size_state;
};
/*
* Error counts
*/
unsigned int total_err_count;
int first_error;
/*
* Can be overloaded by profiles
*/
struct prof_io_ops prof_io_ops;
void *prof_data;
};
/*
* 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; \
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_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))
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;
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 struct thread_data *threads;
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 td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
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->o.odirect)
return 0;
if (td_write(td) || td_rw(td) || td->o.override_sync)
return 1;
return 0;
}
/*
* Init/option functions
*/
extern int __must_check parse_options(int, char **);
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 void fio_fill_default_options(struct thread_data *);
extern int fio_show_option_help(const char *);
extern void fio_options_dup_and_init(struct option *);
extern void options_mem_dupe(struct thread_data *);
extern void options_mem_free(struct thread_data *);
extern void td_fill_rand_seeds(struct thread_data *);
extern void add_job_opts(const char **);
extern char *num2str(unsigned long, int, int, int);
#define FIO_GETOPT_JOB 0x89988998
#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
/*
* ETA/status stuff
*/
extern void print_thread_status(void);
extern void print_status_init(int);
/*
* Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
* will never back again. It may cycle between running/verififying/fsyncing.
* Once the thread reaches TD_EXITED, it is just waiting for the core to
* reap it.
*/
enum {
TD_NOT_CREATED = 0,
TD_CREATED,
TD_INITIALIZED,
TD_RAMP,
TD_RUNNING,
TD_PRE_READING,
TD_VERIFYING,
TD_FSYNCING,
TD_EXITED,
TD_REAPED,
};
extern void td_set_runstate(struct thread_data *, int);
/*
* Memory helpers
*/
extern int __must_check fio_pin_memory(void);
extern void fio_unpin_memory(void);
extern int __must_check allocate_io_mem(struct thread_data *);
extern void free_io_mem(struct thread_data *);
/*
* Reset stats after ramp time completes
*/
extern void reset_all_stats(struct thread_data *);
/*
* blktrace support
*/
#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 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)++)
#define for_each_file(td, f, i) \
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_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);
}
#endif