826 lines
18 KiB
C
826 lines
18 KiB
C
#ifndef FIO_H
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#define FIO_H
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#include <sched.h>
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#include <limits.h>
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#include <pthread.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <inttypes.h>
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#include <assert.h>
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#include "compiler/compiler.h"
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#include "thread_options.h"
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#include "flist.h"
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#include "fifo.h"
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#include "arch/arch.h"
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#include "os/os.h"
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#include "mutex.h"
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#include "log.h"
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#include "debug.h"
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#include "file.h"
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#include "io_ddir.h"
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#include "ioengines.h"
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#include "iolog.h"
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#include "helpers.h"
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#include "options.h"
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#include "profile.h"
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#include "fio_time.h"
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#include "gettime.h"
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#include "oslib/getopt.h"
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#include "lib/rand.h"
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#include "lib/rbtree.h"
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#include "lib/num2str.h"
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#include "client.h"
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#include "server.h"
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#include "stat.h"
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#include "flow.h"
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#include "io_u.h"
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#include "io_u_queue.h"
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#include "workqueue.h"
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#include "steadystate.h"
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#ifdef CONFIG_SOLARISAIO
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#include <sys/asynch.h>
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#endif
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#ifdef CONFIG_LIBNUMA
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#include <linux/mempolicy.h>
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#include <numa.h>
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/*
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* "local" is pseudo-policy
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*/
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#define MPOL_LOCAL MPOL_MAX
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#endif
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#ifdef CONFIG_CUDA
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#include <cuda.h>
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#endif
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/*
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* offset generator types
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*/
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enum {
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RW_SEQ_SEQ = 0,
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RW_SEQ_IDENT,
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};
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enum {
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TD_F_VER_BACKLOG = 1U << 0,
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TD_F_TRIM_BACKLOG = 1U << 1,
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TD_F_READ_IOLOG = 1U << 2,
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TD_F_REFILL_BUFFERS = 1U << 3,
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TD_F_SCRAMBLE_BUFFERS = 1U << 4,
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TD_F_VER_NONE = 1U << 5,
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TD_F_PROFILE_OPS = 1U << 6,
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TD_F_COMPRESS = 1U << 7,
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TD_F_RESERVED = 1U << 8, /* not used */
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TD_F_COMPRESS_LOG = 1U << 9,
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TD_F_VSTATE_SAVED = 1U << 10,
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TD_F_NEED_LOCK = 1U << 11,
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TD_F_CHILD = 1U << 12,
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TD_F_NO_PROGRESS = 1U << 13,
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TD_F_REGROW_LOGS = 1U << 14,
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};
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enum {
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FIO_RAND_BS_OFF = 0,
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FIO_RAND_VER_OFF,
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FIO_RAND_MIX_OFF,
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FIO_RAND_FILE_OFF,
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FIO_RAND_BLOCK_OFF,
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FIO_RAND_FILE_SIZE_OFF,
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FIO_RAND_TRIM_OFF,
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FIO_RAND_BUF_OFF,
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FIO_RAND_SEQ_RAND_READ_OFF,
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FIO_RAND_SEQ_RAND_WRITE_OFF,
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FIO_RAND_SEQ_RAND_TRIM_OFF,
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FIO_RAND_START_DELAY,
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FIO_DEDUPE_OFF,
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FIO_RAND_POISSON_OFF,
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FIO_RAND_ZONE_OFF,
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FIO_RAND_POISSON2_OFF,
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FIO_RAND_POISSON3_OFF,
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FIO_RAND_NR_OFFS,
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};
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enum {
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IO_MODE_INLINE = 0,
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IO_MODE_OFFLOAD = 1,
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RATE_PROCESS_LINEAR = 0,
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RATE_PROCESS_POISSON = 1,
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};
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enum {
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F_ADV_NONE = 0,
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F_ADV_TYPE,
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F_ADV_RANDOM,
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F_ADV_SEQUENTIAL,
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};
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/*
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* Per-thread/process specific data. Only used for the network client
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* for now.
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*/
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void sk_out_assign(struct sk_out *);
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void sk_out_drop(void);
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struct zone_split_index {
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uint8_t size_perc;
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uint8_t size_perc_prev;
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};
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/*
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* This describes a single thread/process executing a fio job.
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*/
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struct thread_data {
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struct flist_head opt_list;
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unsigned long flags;
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struct thread_options o;
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void *eo;
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pthread_t thread;
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unsigned int thread_number;
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unsigned int subjob_number;
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unsigned int groupid;
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struct thread_stat ts;
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int client_type;
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struct io_log *slat_log;
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struct io_log *clat_log;
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struct io_log *clat_hist_log;
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struct io_log *lat_log;
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struct io_log *bw_log;
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struct io_log *iops_log;
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struct workqueue log_compress_wq;
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struct thread_data *parent;
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uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
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struct timeval bw_sample_time;
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uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
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struct timeval iops_sample_time;
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volatile int update_rusage;
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struct fio_mutex *rusage_sem;
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struct rusage ru_start;
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struct rusage ru_end;
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struct fio_file **files;
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unsigned char *file_locks;
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unsigned int files_size;
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unsigned int files_index;
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unsigned int nr_open_files;
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unsigned int nr_done_files;
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unsigned int nr_normal_files;
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union {
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unsigned int next_file;
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struct frand_state next_file_state;
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};
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union {
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struct zipf_state next_file_zipf;
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struct gauss_state next_file_gauss;
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};
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union {
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double zipf_theta;
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double pareto_h;
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double gauss_dev;
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};
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int error;
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int sig;
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int done;
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int stop_io;
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pid_t pid;
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char *orig_buffer;
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size_t orig_buffer_size;
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volatile int terminate;
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volatile int runstate;
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unsigned int last_was_sync;
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enum fio_ddir last_ddir;
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int mmapfd;
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void *iolog_buf;
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FILE *iolog_f;
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unsigned long rand_seeds[FIO_RAND_NR_OFFS];
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struct frand_state bsrange_state;
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struct frand_state verify_state;
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struct frand_state trim_state;
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struct frand_state delay_state;
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struct frand_state buf_state;
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struct frand_state buf_state_prev;
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struct frand_state dedupe_state;
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struct frand_state zone_state;
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struct zone_split_index **zone_state_index;
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unsigned int verify_batch;
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unsigned int trim_batch;
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struct thread_io_list *vstate;
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int shm_id;
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/*
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* IO engine hooks, contains everything needed to submit an io_u
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* to any of the available IO engines.
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*/
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struct ioengine_ops *io_ops;
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int io_ops_init;
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/*
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* IO engine private data and dlhandle.
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*/
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void *io_ops_data;
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void *io_ops_dlhandle;
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/*
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* Queue depth of io_u's that fio MIGHT do
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*/
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unsigned int cur_depth;
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/*
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* io_u's about to be committed
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*/
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unsigned int io_u_queued;
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/*
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* io_u's submitted but not completed yet
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*/
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unsigned int io_u_in_flight;
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/*
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* List of free and busy io_u's
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*/
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struct io_u_ring io_u_requeues;
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struct io_u_queue io_u_freelist;
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struct io_u_queue io_u_all;
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pthread_mutex_t io_u_lock;
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pthread_cond_t free_cond;
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/*
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* async verify offload
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*/
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struct flist_head verify_list;
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pthread_t *verify_threads;
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unsigned int nr_verify_threads;
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pthread_cond_t verify_cond;
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int verify_thread_exit;
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/*
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* Rate state
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*/
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uint64_t rate_bps[DDIR_RWDIR_CNT];
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uint64_t rate_next_io_time[DDIR_RWDIR_CNT];
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unsigned long rate_bytes[DDIR_RWDIR_CNT];
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unsigned long rate_blocks[DDIR_RWDIR_CNT];
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unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT];
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struct timeval lastrate[DDIR_RWDIR_CNT];
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int64_t last_usec[DDIR_RWDIR_CNT];
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struct frand_state poisson_state[DDIR_RWDIR_CNT];
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/*
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* Enforced rate submission/completion workqueue
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*/
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struct workqueue io_wq;
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uint64_t total_io_size;
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uint64_t fill_device_size;
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/*
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* Issue side
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*/
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uint64_t io_issues[DDIR_RWDIR_CNT];
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uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
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uint64_t loops;
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/*
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* Completions
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*/
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uint64_t io_blocks[DDIR_RWDIR_CNT];
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uint64_t this_io_blocks[DDIR_RWDIR_CNT];
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uint64_t io_bytes[DDIR_RWDIR_CNT];
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uint64_t this_io_bytes[DDIR_RWDIR_CNT];
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uint64_t io_skip_bytes;
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uint64_t zone_bytes;
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struct fio_mutex *mutex;
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uint64_t bytes_done[DDIR_RWDIR_CNT];
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/*
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* State for random io, a bitmap of blocks done vs not done
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*/
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struct frand_state random_state;
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struct timeval start; /* start of this loop */
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struct timeval epoch; /* time job was started */
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unsigned long long unix_epoch; /* Time job was started, unix epoch based. */
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struct timeval last_issue;
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long time_offset;
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struct timeval tv_cache;
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struct timeval terminate_time;
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unsigned int tv_cache_nr;
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unsigned int tv_cache_mask;
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unsigned int ramp_time_over;
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/*
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* Time since last latency_window was started
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*/
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struct timeval latency_ts;
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unsigned int latency_qd;
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unsigned int latency_qd_high;
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unsigned int latency_qd_low;
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unsigned int latency_failed;
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uint64_t latency_ios;
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int latency_end_run;
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/*
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* read/write mixed workload state
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*/
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struct frand_state rwmix_state;
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unsigned long rwmix_issues;
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enum fio_ddir rwmix_ddir;
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unsigned int ddir_seq_nr;
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/*
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* rand/seq mixed workload state
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*/
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struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
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/*
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* IO history logs for verification. We use a tree for sorting,
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* if we are overwriting. Otherwise just use a fifo.
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*/
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struct rb_root io_hist_tree;
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struct flist_head io_hist_list;
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unsigned long io_hist_len;
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/*
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* For IO replaying
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*/
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struct flist_head io_log_list;
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/*
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* For tracking/handling discards
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*/
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struct flist_head trim_list;
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unsigned long trim_entries;
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struct flist_head next_rand_list;
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/*
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* for fileservice, how often to switch to a new file
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*/
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unsigned int file_service_nr;
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unsigned int file_service_left;
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struct fio_file *file_service_file;
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unsigned int sync_file_range_nr;
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/*
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* For generating file sizes
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*/
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struct frand_state file_size_state;
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/*
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* Error counts
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*/
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unsigned int total_err_count;
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int first_error;
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struct fio_flow *flow;
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/*
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* Can be overloaded by profiles
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*/
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struct prof_io_ops prof_io_ops;
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void *prof_data;
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void *pinned_mem;
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struct steadystate_data ss;
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char verror[FIO_VERROR_SIZE];
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#ifdef CONFIG_CUDA
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/*
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* for GPU memory management
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*/
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int gpu_dev_cnt;
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int gpu_dev_id;
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CUdevice cu_dev;
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CUcontext cu_ctx;
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CUdeviceptr dev_mem_ptr;
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#endif
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};
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/*
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* when should interactive ETA output be generated
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*/
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enum {
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FIO_ETA_AUTO,
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FIO_ETA_ALWAYS,
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FIO_ETA_NEVER,
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};
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#define __td_verror(td, err, msg, func) \
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do { \
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unsigned int ____e = (err); \
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if ((td)->error) \
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break; \
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(td)->error = ____e; \
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if (!(td)->first_error) \
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snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
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} while (0)
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#define td_clear_error(td) do { \
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(td)->error = 0; \
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if ((td)->parent) \
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(td)->parent->error = 0; \
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} while (0)
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#define td_verror(td, err, func) do { \
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__td_verror((td), (err), strerror((err)), (func)); \
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if ((td)->parent) \
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__td_verror((td)->parent, (err), strerror((err)), (func)); \
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} while (0)
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#define td_vmsg(td, err, msg, func) do { \
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__td_verror((td), (err), (msg), (func)); \
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if ((td)->parent) \
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__td_verror((td)->parent, (err), (msg), (func)); \
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} while (0)
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#define __fio_stringify_1(x) #x
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#define __fio_stringify(x) __fio_stringify_1(x)
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extern int exitall_on_terminate;
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extern unsigned int thread_number;
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extern unsigned int stat_number;
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extern int shm_id;
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extern int groupid;
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extern int output_format;
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extern int append_terse_output;
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extern int temp_stall_ts;
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extern uintptr_t page_mask, page_size;
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extern int read_only;
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extern int eta_print;
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extern int eta_new_line;
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extern unsigned long done_secs;
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extern int fio_gtod_offload;
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extern int fio_gtod_cpu;
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extern enum fio_cs fio_clock_source;
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extern int fio_clock_source_set;
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extern int warnings_fatal;
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extern int terse_version;
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extern int is_backend;
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extern int nr_clients;
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extern int log_syslog;
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extern int status_interval;
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extern const char fio_version_string[];
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extern char *trigger_file;
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extern char *trigger_cmd;
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extern char *trigger_remote_cmd;
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extern long long trigger_timeout;
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extern char *aux_path;
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extern struct thread_data *threads;
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static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
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{
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assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
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}
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#define REAL_MAX_JOBS 4096
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static inline int should_fsync(struct thread_data *td)
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{
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if (td->last_was_sync)
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return 0;
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if (td_write(td) || td->o.override_sync)
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return 1;
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return 0;
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}
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/*
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* Init/option functions
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*/
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extern int __must_check fio_init_options(void);
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extern int __must_check parse_options(int, char **);
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extern int parse_jobs_ini(char *, int, int, int);
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extern int parse_cmd_line(int, char **, int);
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extern int fio_backend(struct sk_out *);
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extern void reset_fio_state(void);
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extern void clear_io_state(struct thread_data *, int);
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extern int fio_options_parse(struct thread_data *, char **, int);
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extern void fio_keywords_init(void);
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extern void fio_keywords_exit(void);
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extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
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extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
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extern void fio_fill_default_options(struct thread_data *);
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extern int fio_show_option_help(const char *);
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extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
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extern void fio_options_dup_and_init(struct option *);
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extern void fio_options_mem_dupe(struct thread_data *);
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extern void td_fill_rand_seeds(struct thread_data *);
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extern void td_fill_verify_state_seed(struct thread_data *);
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extern void add_job_opts(const char **, int);
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extern int ioengine_load(struct thread_data *);
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extern bool parse_dryrun(void);
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extern int fio_running_or_pending_io_threads(void);
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extern int fio_set_fd_nonblocking(int, const char *);
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extern void sig_show_status(int sig);
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extern struct thread_data *get_global_options(void);
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extern uintptr_t page_mask;
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extern uintptr_t page_size;
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extern int initialize_fio(char *envp[]);
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extern void deinitialize_fio(void);
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#define FIO_GETOPT_JOB 0x89000000
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#define FIO_GETOPT_IOENGINE 0x98000000
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#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
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/*
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* ETA/status stuff
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*/
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extern void print_thread_status(void);
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extern void print_status_init(int);
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extern char *fio_uint_to_kmg(unsigned int val);
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/*
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* Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
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* will never back again. It may cycle between running/verififying/fsyncing.
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* Once the thread reaches TD_EXITED, it is just waiting for the core to
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* reap it.
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*/
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enum {
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TD_NOT_CREATED = 0,
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TD_CREATED,
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TD_INITIALIZED,
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TD_RAMP,
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TD_SETTING_UP,
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TD_RUNNING,
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TD_PRE_READING,
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TD_VERIFYING,
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TD_FSYNCING,
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TD_FINISHING,
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TD_EXITED,
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TD_REAPED,
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TD_LAST,
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TD_NR,
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};
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#define TD_ENG_FLAG_SHIFT 16
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#define TD_ENG_FLAG_MASK ((1U << 16) - 1)
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|
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static inline enum fio_ioengine_flags td_ioengine_flags(struct thread_data *td)
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|
{
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return (enum fio_ioengine_flags)
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((td->flags >> TD_ENG_FLAG_SHIFT) & TD_ENG_FLAG_MASK);
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|
}
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|
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static inline void td_set_ioengine_flags(struct thread_data *td)
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|
{
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td->flags = (~(TD_ENG_FLAG_MASK << TD_ENG_FLAG_SHIFT) & td->flags) |
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(td->io_ops->flags << TD_ENG_FLAG_SHIFT);
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|
}
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|
|
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static inline bool td_ioengine_flagged(struct thread_data *td,
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|
enum fio_ioengine_flags flags)
|
|
{
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return ((td->flags >> TD_ENG_FLAG_SHIFT) & flags) != 0;
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|
}
|
|
|
|
extern void td_set_runstate(struct thread_data *, int);
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|
extern int td_bump_runstate(struct thread_data *, int);
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|
extern void td_restore_runstate(struct thread_data *, int);
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|
extern const char *runstate_to_name(int runstate);
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|
|
|
/*
|
|
* Allow 60 seconds for a job to quit on its own, otherwise reap with
|
|
* a vengeance.
|
|
*/
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|
#define FIO_REAP_TIMEOUT 300
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|
|
|
#define TERMINATE_ALL (-1U)
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|
extern void fio_terminate_threads(unsigned int);
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|
extern void fio_mark_td_terminate(struct thread_data *);
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|
|
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/*
|
|
* Memory helpers
|
|
*/
|
|
extern int __must_check fio_pin_memory(struct thread_data *);
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|
extern void fio_unpin_memory(struct thread_data *);
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|
extern int __must_check allocate_io_mem(struct thread_data *);
|
|
extern void free_io_mem(struct thread_data *);
|
|
extern void free_threads_shm(void);
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|
|
|
#ifdef FIO_INTERNAL
|
|
#define PTR_ALIGN(ptr, mask) \
|
|
(char *) (((uintptr_t) (ptr) + (mask)) & ~(mask))
|
|
#endif
|
|
|
|
/*
|
|
* 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 *, int *);
|
|
extern int load_blktrace(struct thread_data *, const char *, int);
|
|
#endif
|
|
|
|
extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
|
|
enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
|
|
struct timeval *comp_time);
|
|
|
|
/*
|
|
* Latency target helpers
|
|
*/
|
|
extern void lat_target_check(struct thread_data *);
|
|
extern void lat_target_init(struct thread_data *);
|
|
extern void lat_target_reset(struct thread_data *);
|
|
|
|
/*
|
|
* Iterates all threads/processes within all the defined jobs
|
|
*/
|
|
#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 bool 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 true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static inline bool __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 true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static inline bool should_check_rate(struct thread_data *td)
|
|
{
|
|
if (td->bytes_done[DDIR_READ] && __should_check_rate(td, DDIR_READ))
|
|
return true;
|
|
if (td->bytes_done[DDIR_WRITE] && __should_check_rate(td, DDIR_WRITE))
|
|
return true;
|
|
if (td->bytes_done[DDIR_TRIM] && __should_check_rate(td, DDIR_TRIM))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static inline unsigned int td_max_bs(struct thread_data *td)
|
|
{
|
|
unsigned int max_bs;
|
|
|
|
max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
|
|
return max(td->o.max_bs[DDIR_TRIM], max_bs);
|
|
}
|
|
|
|
static inline unsigned int td_min_bs(struct thread_data *td)
|
|
{
|
|
unsigned int min_bs;
|
|
|
|
min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
|
|
return min(td->o.min_bs[DDIR_TRIM], min_bs);
|
|
}
|
|
|
|
static inline bool td_async_processing(struct thread_data *td)
|
|
{
|
|
return (td->flags & TD_F_NEED_LOCK) != 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_async_processing(td))
|
|
pthread_mutex_lock(&td->io_u_lock);
|
|
}
|
|
|
|
static inline void td_io_u_unlock(struct thread_data *td)
|
|
{
|
|
if (td_async_processing(td))
|
|
pthread_mutex_unlock(&td->io_u_lock);
|
|
}
|
|
|
|
static inline void td_io_u_free_notify(struct thread_data *td)
|
|
{
|
|
if (td_async_processing(td))
|
|
pthread_cond_signal(&td->free_cond);
|
|
}
|
|
|
|
static inline void td_flags_clear(struct thread_data *td, unsigned int *flags,
|
|
unsigned int value)
|
|
{
|
|
if (!td_async_processing(td))
|
|
*flags &= ~value;
|
|
else
|
|
__sync_fetch_and_and(flags, ~value);
|
|
}
|
|
|
|
static inline void td_flags_set(struct thread_data *td, unsigned int *flags,
|
|
unsigned int value)
|
|
{
|
|
if (!td_async_processing(td))
|
|
*flags |= value;
|
|
else
|
|
__sync_fetch_and_or(flags, value);
|
|
}
|
|
|
|
extern const char *fio_get_arch_string(int);
|
|
extern const char *fio_get_os_string(int);
|
|
|
|
#ifdef FIO_INTERNAL
|
|
#define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
|
|
#define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f))
|
|
#endif
|
|
|
|
enum {
|
|
__FIO_OUTPUT_TERSE = 0,
|
|
__FIO_OUTPUT_JSON = 1,
|
|
__FIO_OUTPUT_NORMAL = 2,
|
|
__FIO_OUTPUT_JSON_PLUS = 3,
|
|
FIO_OUTPUT_NR = 4,
|
|
|
|
FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
|
|
FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
|
|
FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
|
|
FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
|
|
};
|
|
|
|
enum {
|
|
FIO_RAND_DIST_RANDOM = 0,
|
|
FIO_RAND_DIST_ZIPF,
|
|
FIO_RAND_DIST_PARETO,
|
|
FIO_RAND_DIST_GAUSS,
|
|
FIO_RAND_DIST_ZONED,
|
|
};
|
|
|
|
#define FIO_DEF_ZIPF 1.1
|
|
#define FIO_DEF_PARETO 0.2
|
|
|
|
enum {
|
|
FIO_RAND_GEN_TAUSWORTHE = 0,
|
|
FIO_RAND_GEN_LFSR,
|
|
FIO_RAND_GEN_TAUSWORTHE64,
|
|
};
|
|
|
|
enum {
|
|
FIO_CPUS_SHARED = 0,
|
|
FIO_CPUS_SPLIT,
|
|
};
|
|
|
|
extern void exec_trigger(const char *);
|
|
extern void check_trigger_file(void);
|
|
|
|
#endif
|