#include <inttypes.h>
#include <assert.h>
-struct thread_data;
-
#include "compiler/compiler.h"
+#include "thread_options.h"
#include "flist.h"
#include "fifo.h"
-#include "rbtree.h"
#include "arch/arch.h"
#include "os/os.h"
#include "mutex.h"
#include "helpers.h"
#include "options.h"
#include "profile.h"
-#include "time.h"
+#include "fio_time.h"
#include "gettime.h"
#include "lib/getopt.h"
#include "lib/rand.h"
+#include "lib/rbtree.h"
+#include "client.h"
#include "server.h"
#include "stat.h"
#include "flow.h"
+#include "io_u_queue.h"
+#include "workqueue.h"
#ifdef CONFIG_SOLARISAIO
#include <sys/asynch.h>
#define MPOL_LOCAL MPOL_MAX
#endif
-/*
- * 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
*/
RW_SEQ_IDENT,
};
-/*
- * What type of errors to continue on when continue_on_error is used
- */
-enum error_type_bit {
- ERROR_TYPE_READ_BIT = 0,
- ERROR_TYPE_WRITE_BIT = 1,
- ERROR_TYPE_VERIFY_BIT = 2,
- ERROR_TYPE_CNT = 3,
-};
-
-enum error_type {
- ERROR_TYPE_NONE = 0,
- ERROR_TYPE_READ = 1 << ERROR_TYPE_READ_BIT,
- ERROR_TYPE_WRITE = 1 << ERROR_TYPE_WRITE_BIT,
- ERROR_TYPE_VERIFY = 1 << ERROR_TYPE_VERIFY_BIT,
- ERROR_TYPE_ANY = 0xffff,
-};
-
-struct bssplit {
- unsigned int bs;
- unsigned char perc;
-};
-
-struct thread_options {
- int pad;
- char *description;
- char *name;
- char *directory;
- char *filename;
- char *filename_format;
- 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[DDIR_RWDIR_CNT];
- unsigned int ba[DDIR_RWDIR_CNT];
- unsigned int min_bs[DDIR_RWDIR_CNT];
- unsigned int max_bs[DDIR_RWDIR_CNT];
- struct bssplit *bssplit[DDIR_RWDIR_CNT];
- unsigned int bssplit_nr[DDIR_RWDIR_CNT];
-
- int *ignore_error[ERROR_TYPE_CNT];
- unsigned int ignore_error_nr[ERROR_TYPE_CNT];
- unsigned int error_dump;
-
- unsigned int nr_files;
- unsigned int open_files;
- enum file_lock_mode file_lock_mode;
-
- unsigned int odirect;
- unsigned int invalidate_cache;
- unsigned int create_serialize;
- unsigned int create_fsync;
- unsigned int create_on_open;
- unsigned int create_only;
- unsigned int end_fsync;
- unsigned int pre_read;
- unsigned int sync_io;
- unsigned int verify;
- unsigned int do_verify;
- unsigned int verifysort;
- unsigned int verifysort_nr;
- 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 experimental_verify;
- 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 random_distribution;
- double zipf_theta;
- double pareto_h;
-
- unsigned int random_generator;
-
- 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 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;
- unsigned int mem_align;
-
- unsigned int max_latency;
-
- 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;
-#ifdef CONFIG_LIBNUMA
- struct bitmask *numa_cpunodesmask;
- unsigned int numa_cpumask_set;
- unsigned short numa_mem_mode;
- unsigned int numa_mem_prefer_node;
- struct bitmask *numa_memnodesmask;
- unsigned int numa_memmask_set;
-#endif
- 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 scramble_buffers;
- unsigned int compress_percentage;
- unsigned int compress_chunk;
- unsigned int time_based;
- unsigned int disable_lat;
- unsigned int disable_clat;
- unsigned int disable_slat;
- unsigned int disable_bw;
- unsigned int unified_rw_rep;
- 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 percentile_precision; /* digits after decimal for percentiles */
- 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[DDIR_RWDIR_CNT];
- unsigned int ratemin[DDIR_RWDIR_CNT];
- unsigned int ratecycle;
- unsigned int rate_iops[DDIR_RWDIR_CNT];
- unsigned int rate_iops_min[DDIR_RWDIR_CNT];
-
- 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;
-
- int flow_id;
- int flow;
- int flow_watermark;
- unsigned int flow_sleep;
-
- unsigned long long offset_increment;
-
- unsigned int sync_file_range;
-};
-
enum {
TD_F_VER_BACKLOG = 1,
TD_F_TRIM_BACKLOG = 2,
TD_F_SCRAMBLE_BUFFERS = 16,
TD_F_VER_NONE = 32,
TD_F_PROFILE_OPS = 64,
+ TD_F_COMPRESS = 128,
+ TD_F_NOIO = 256,
+ TD_F_COMPRESS_LOG = 512,
+ TD_F_VSTATE_SAVED = 1024,
+ TD_F_NEED_LOCK = 2048,
+ TD_F_CHILD = 4096,
};
enum {
FIO_RAND_FILE_SIZE_OFF,
FIO_RAND_TRIM_OFF,
FIO_RAND_BUF_OFF,
+ FIO_RAND_SEQ_RAND_READ_OFF,
+ FIO_RAND_SEQ_RAND_WRITE_OFF,
+ FIO_RAND_SEQ_RAND_TRIM_OFF,
+ FIO_RAND_START_DELAY,
+ FIO_DEDUPE_OFF,
FIO_RAND_NR_OFFS,
};
+enum {
+ IO_MODE_INLINE = 0,
+ IO_MODE_OFFLOAD,
+};
+
/*
* This describes a single thread/process executing a fio job.
*/
void *eo;
char verror[FIO_VERROR_SIZE];
pthread_t thread;
- int thread_number;
- int groupid;
+ unsigned int thread_number;
+ unsigned int subjob_number;
+ unsigned int groupid;
struct thread_stat ts;
+ int client_type;
+
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;
+ struct tp_data *tp_data;
+
+ struct thread_data *parent;
+
uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
struct timeval bw_sample_time;
uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
struct timeval iops_sample_time;
+ /*
+ * Tracks the last iodepth number of completed writes, if data
+ * verification is enabled
+ */
+ uint64_t *last_write_comp;
+ unsigned int last_write_idx;
+
volatile int update_rusage;
struct fio_mutex *rusage_sem;
struct rusage ru_start;
unsigned int nr_normal_files;
union {
unsigned int next_file;
- os_random_state_t next_file_state;
- struct frand_state __next_file_state;
+ struct frand_state next_file_state;
};
int error;
int sig;
int done;
+ int stop_io;
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;
unsigned long rand_seeds[FIO_RAND_NR_OFFS];
- 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 bsrange_state;
+ struct frand_state verify_state;
+ struct frand_state trim_state;
+ struct frand_state delay_state;
struct frand_state buf_state;
+ struct frand_state buf_state_prev;
+ struct frand_state dedupe_state;
unsigned int verify_batch;
unsigned int trim_batch;
+ struct thread_io_list *vstate;
+
int shm_id;
/*
/*
* 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;
+ struct io_u_ring io_u_requeues;
+ struct io_u_queue io_u_freelist;
+ struct io_u_queue io_u_all;
pthread_mutex_t io_u_lock;
pthread_cond_t free_cond;
unsigned long rate_blocks[DDIR_RWDIR_CNT];
struct timeval lastrate[DDIR_RWDIR_CNT];
+ /*
+ * Enforced rate submission/completion workqueue
+ */
+ struct workqueue io_wq;
+
uint64_t total_io_size;
uint64_t fill_device_size;
- unsigned long io_issues[DDIR_RWDIR_CNT];
+ /*
+ * Issue side
+ */
+ uint64_t io_issues[DDIR_RWDIR_CNT];
+ uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
+ uint64_t loops;
+
+ /*
+ * Completions
+ */
uint64_t io_blocks[DDIR_RWDIR_CNT];
uint64_t this_io_blocks[DDIR_RWDIR_CNT];
uint64_t io_bytes[DDIR_RWDIR_CNT];
- uint64_t io_skip_bytes;
uint64_t this_io_bytes[DDIR_RWDIR_CNT];
+ uint64_t io_skip_bytes;
uint64_t zone_bytes;
struct fio_mutex *mutex;
+ uint64_t bytes_done[DDIR_RWDIR_CNT];
/*
* 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 frand_state random_state;
struct timeval start; /* start of this loop */
struct timeval epoch; /* time job was started */
struct timeval last_issue;
+ long time_offset;
struct timeval tv_cache;
+ struct timeval terminate_time;
unsigned int tv_cache_nr;
unsigned int tv_cache_mask;
unsigned int ramp_time_over;
+ /*
+ * Time since last latency_window was started
+ */
+ struct timeval latency_ts;
+ unsigned int latency_qd;
+ unsigned int latency_qd_high;
+ unsigned int latency_qd_low;
+ unsigned int latency_failed;
+ uint64_t latency_ios;
+ int latency_end_run;
+
/*
* read/write mixed workload state
*/
- union {
- os_random_state_t rwmix_state;
- struct frand_state __rwmix_state;
- };
+ struct frand_state rwmix_state;
unsigned long rwmix_issues;
enum fio_ddir rwmix_ddir;
unsigned int ddir_seq_nr;
+ /*
+ * rand/seq mixed workload state
+ */
+ struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
+
/*
* IO history logs for verification. We use a tree for sorting,
* if we are overwriting. Otherwise just use a fifo.
/*
* For generating file sizes
*/
- union {
- os_random_state_t file_size_state;
- struct frand_state __file_size_state;
- };
+ struct frand_state file_size_state;
/*
* Error counts
*/
struct prof_io_ops prof_io_ops;
void *prof_data;
+
+ void *pinned_mem;
};
/*
#define __td_verror(td, err, msg, func) \
do { \
+ unsigned int ____e = (err); \
if ((td)->error) \
break; \
- int e = (err); \
- (td)->error = e; \
+ (td)->error = ____e; \
if (!(td)->first_error) \
snprintf(td->verror, sizeof(td->verror), "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))
+#define td_clear_error(td) do { \
+ (td)->error = 0; \
+ if ((td)->parent) \
+ (td)->parent->error = 0; \
+} while (0)
+
+#define td_verror(td, err, func) do { \
+ __td_verror((td), (err), strerror((err)), (func)); \
+ if ((td)->parent) \
+ __td_verror((td)->parent, (err), strerror((err)), (func)); \
+} while (0)
+
+#define td_vmsg(td, err, msg, func) do { \
+ __td_verror((td), (err), (msg), (func)); \
+ if ((td)->parent) \
+ __td_verror((td)->parent, (err), (msg), (func)); \
+} while (0)
#define __fio_stringify_1(x) #x
#define __fio_stringify(x) __fio_stringify_1(x)
extern int exitall_on_terminate;
extern unsigned int thread_number;
extern unsigned int stat_number;
-extern unsigned int nr_process, nr_thread;
extern int shm_id;
extern int groupid;
extern int output_format;
+extern int append_terse_output;
extern int temp_stall_ts;
-extern unsigned long long mlock_size;
extern uintptr_t page_mask, page_size;
extern int read_only;
extern int eta_print;
extern int is_backend;
extern int nr_clients;
extern int log_syslog;
+extern int status_interval;
extern const char fio_version_string[];
+extern int helper_do_stat;
+extern pthread_cond_t helper_cond;
+extern char *trigger_file;
+extern char *trigger_cmd;
+extern char *trigger_remote_cmd;
+extern long long trigger_timeout;
extern struct thread_data *threads;
-static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
+static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
{
assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
}
#define REAL_MAX_JOBS 2048
-static inline enum error_type_bit td_error_type(enum fio_ddir ddir, int err)
-{
- if (err == EILSEQ)
- return ERROR_TYPE_VERIFY_BIT;
- if (ddir == DDIR_READ)
- return ERROR_TYPE_READ_BIT;
- return ERROR_TYPE_WRITE_BIT;
-}
-
-static int __NON_FATAL_ERR[] = {EIO, EILSEQ};
-static inline int td_non_fatal_error(struct thread_data *td,
- enum error_type_bit etype, int err)
-{
- int i;
- if (!td->o.ignore_error[etype]) {
- td->o.ignore_error[etype] = __NON_FATAL_ERR;
- td->o.ignore_error_nr[etype] = sizeof(__NON_FATAL_ERR)
- / sizeof(int);
- }
-
- if (!(td->o.continue_on_error & (1 << etype)))
- return 0;
- for (i = 0; i < td->o.ignore_error_nr[etype]; i++)
- if (td->o.ignore_error[etype][i] == err)
- return 1;
- return 0;
-}
-
-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)
/*
* Init/option functions
*/
+extern int __must_check fio_init_options(void);
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 parse_jobs_ini(char *, int, int, int);
+extern int parse_cmd_line(int, char **, int);
extern int fio_backend(void);
extern void reset_fio_state(void);
extern void clear_io_state(struct thread_data *);
-extern int fio_options_parse(struct thread_data *, char **, int);
+extern int fio_options_parse(struct thread_data *, char **, int, int);
extern void fio_keywords_init(void);
+extern void fio_keywords_exit(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 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 void add_job_opts(const char **, int);
+extern char *num2str(uint64_t, int, int, int, int);
extern int ioengine_load(struct thread_data *);
+extern int parse_dryrun(void);
+extern int fio_running_or_pending_io_threads(void);
+extern int fio_set_fd_nonblocking(int, const char *);
+
+extern uintptr_t page_mask;
+extern uintptr_t page_size;
+extern int initialize_fio(char *envp[]);
+extern void deinitialize_fio(void);
#define FIO_GETOPT_JOB 0x89000000
#define FIO_GETOPT_IOENGINE 0x98000000
*/
extern void print_thread_status(void);
extern void print_status_init(int);
+extern char *fio_uint_to_kmg(unsigned int val);
/*
* Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
TD_PRE_READING,
TD_VERIFYING,
TD_FSYNCING,
+ TD_FINISHING,
TD_EXITED,
TD_REAPED,
};
extern void td_set_runstate(struct thread_data *, int);
+extern int td_bump_runstate(struct thread_data *, int);
+extern void td_restore_runstate(struct thread_data *, int);
+
+/*
+ * Allow 60 seconds for a job to quit on its own, otherwise reap with
+ * a vengeance.
+ */
+#define FIO_REAP_TIMEOUT 60
+
#define TERMINATE_ALL (-1)
extern void fio_terminate_threads(int);
+extern void fio_mark_td_terminate(struct thread_data *);
/*
* Memory helpers
*/
-extern int __must_check fio_pin_memory(void);
-extern void fio_unpin_memory(void);
+extern int __must_check fio_pin_memory(struct thread_data *);
+extern void fio_unpin_memory(struct thread_data *);
extern int __must_check allocate_io_mem(struct thread_data *);
extern void free_io_mem(struct thread_data *);
+extern void free_threads_shm(void);
/*
* Reset stats after ramp time completes
* blktrace support
*/
#ifdef FIO_HAVE_BLKTRACE
-extern int is_blktrace(const char *);
-extern int load_blktrace(struct thread_data *, const char *);
+extern int is_blktrace(const char *, int *);
+extern int load_blktrace(struct thread_data *, const char *, int);
#endif
/*
- * Mark unused variables passed to ops functions as unused, to silence gcc
+ * Latency target helpers
*/
-#define fio_unused __attribute((__unused__))
-#define fio_init __attribute__((constructor))
-#define fio_exit __attribute__((destructor))
+extern void lat_target_check(struct thread_data *);
+extern void lat_target_init(struct thread_data *);
+extern void lat_target_reset(struct thread_data *);
#define for_each_td(td, i) \
for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
return 0;
}
-static inline int should_check_rate(struct thread_data *td,
- uint64_t *bytes_done)
+static inline int should_check_rate(struct thread_data *td)
{
int ret = 0;
- if (bytes_done[DDIR_READ])
+ if (td->bytes_done[DDIR_READ])
ret |= __should_check_rate(td, DDIR_READ);
- if (bytes_done[DDIR_WRITE])
+ if (td->bytes_done[DDIR_WRITE])
ret |= __should_check_rate(td, DDIR_WRITE);
- if (bytes_done[DDIR_TRIM])
+ if (td->bytes_done[DDIR_TRIM])
ret |= __should_check_rate(td, DDIR_TRIM);
return ret;
return max(td->o.max_bs[DDIR_TRIM], max_bs);
}
-static inline int is_power_of_2(unsigned int val)
+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 int td_async_processing(struct thread_data *td)
{
- return (val != 0 && ((val & (val - 1)) == 0));
+ return (td->flags & TD_F_NEED_LOCK) != 0;
}
/*
*/
static inline void td_io_u_lock(struct thread_data *td)
{
- if (td->o.verify_async)
+ 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->o.verify_async)
+ 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->o.verify_async)
+ if (td_async_processing(td))
pthread_cond_signal(&td->free_cond);
}
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])))
+#endif
+
enum {
FIO_OUTPUT_TERSE = 0,
FIO_OUTPUT_JSON,
FIO_RAND_DIST_RANDOM = 0,
FIO_RAND_DIST_ZIPF,
FIO_RAND_DIST_PARETO,
+ FIO_RAND_DIST_GAUSS,
};
+#define FIO_DEF_ZIPF 1.1
+#define FIO_DEF_PARETO 0.2
+
enum {
FIO_RAND_GEN_TAUSWORTHE = 0,
FIO_RAND_GEN_LFSR,
};
+enum {
+ FIO_CPUS_SHARED = 0,
+ FIO_CPUS_SPLIT,
+};
+
+extern void exec_trigger(const char *);
+extern void check_trigger_file(void);
+
#endif