X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=2514d90c53ce43d82d4029e804a9609a4e1eddf5;hp=2dbf805d5abea0ee793389a5098d1edda296fd50;hb=7437ee87e4f6457168e8440f9308b4296ddb9263;hpb=e1f365035a952233463d85d659bd960ba78f012e diff --git a/init.c b/init.c index 2dbf805d..2514d90c 100644 --- a/init.c +++ b/init.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -16,354 +17,94 @@ #include "fio.h" #include "parse.h" -/* - * The default options - */ -#define DEF_BS (4096) -#define DEF_TIMEOUT (0) -#define DEF_RATE_CYCLE (1000) -#define DEF_ODIRECT (1) -#define DEF_IO_ENGINE (FIO_SYNCIO) -#define DEF_IO_ENGINE_NAME "sync" -#define DEF_SEQUENTIAL (1) -#define DEF_RAND_REPEAT (1) -#define DEF_OVERWRITE (1) -#define DEF_INVALIDATE (1) -#define DEF_SYNCIO (0) -#define DEF_RANDSEED (0xb1899bedUL) -#define DEF_BWAVGTIME (500) -#define DEF_CREATE_SER (1) -#define DEF_CREATE_FSYNC (1) -#define DEF_LOOPS (1) -#define DEF_VERIFY (0) -#define DEF_STONEWALL (0) -#define DEF_NUMJOBS (1) -#define DEF_USE_THREAD (0) -#define DEF_FILE_SIZE (1024 * 1024 * 1024UL) -#define DEF_ZONE_SIZE (0) -#define DEF_ZONE_SKIP (0) -#define DEF_RWMIX_CYCLE (500) -#define DEF_RWMIX_READ (50) -#define DEF_NICE (0) -#define DEF_NR_FILES (1) -#define DEF_UNLINK (0) -#define DEF_WRITE_BW_LOG (0) -#define DEF_WRITE_LAT_LOG (0) - -#define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) - -static int str_rw_cb(void *, char *); -static int str_ioengine_cb(void *, char *); -static int str_mem_cb(void *, char *); -static int str_verify_cb(void *, char *); -static int str_lockmem_cb(void *, unsigned long *); -static int str_prio_cb(void *, unsigned int *); -static int str_prioclass_cb(void *, unsigned int *); -static int str_exitall_cb(void); -static int str_cpumask_cb(void *, unsigned int *); +static char fio_version_string[] = "fio 1.16.9"; + +#define FIO_RANDSEED (0xb1899bedUL) + +static char **ini_file; +static int max_jobs = MAX_JOBS; +static int dump_cmdline; + +struct thread_data def_thread; +struct thread_data *threads = NULL; + +int exitall_on_terminate = 0; +int terse_output = 0; +unsigned long long mlock_size = 0; +FILE *f_out = NULL; +FILE *f_err = NULL; + +int write_bw_log = 0; + +static int def_timeout = 0; +static int write_lat_log = 0; + +static int prev_group_jobs; /* - * Map of job/command line options + * Command line options. These will contain the above, plus a few + * extra that only pertain to fio itself and not jobs. */ -static struct fio_option options[] = { +static struct option long_options[FIO_NR_OPTIONS] = { { - .name = "name", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(name), + .name = "output", + .has_arg = required_argument, + .val = 'o', }, { - .name = "directory", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(directory), + .name = "timeout", + .has_arg = required_argument, + .val = 't', }, { - .name = "filename", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(filename), + .name = "latency-log", + .has_arg = required_argument, + .val = 'l', }, { - .name = "rw", - .type = FIO_OPT_STR, - .cb = str_rw_cb, + .name = "bandwidth-log", + .has_arg = required_argument, + .val = 'b', }, { - .name = "ioengine", - .type = FIO_OPT_STR, - .cb = str_ioengine_cb, + .name = "minimal", + .has_arg = optional_argument, + .val = 'm', }, { - .name = "mem", - .type = FIO_OPT_STR, - .cb = str_mem_cb, + .name = "version", + .has_arg = no_argument, + .val = 'v', }, { - .name = "verify", - .type = FIO_OPT_STR, - .cb = str_verify_cb, + .name = "help", + .has_arg = no_argument, + .val = 'h', }, { - .name = "write_iolog", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(write_iolog), + .name = "cmdhelp", + .has_arg = optional_argument, + .val = 'c', }, { - .name = "iolog", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(iolog), + .name = "showcmd", + .has_arg = no_argument, + .val = 's' }, { - .name = "exec_prerun", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(exec_prerun), - }, - { - .name = "exec_postrun", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(exec_postrun), - }, -#ifdef FIO_HAVE_IOSCHED_SWITCH - { - .name = "ioscheduler", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(ioscheduler), - }, -#endif - { - .name = "size", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(total_file_size), - }, - { - .name = "bs", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(bs), - }, - { - .name = "offset", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(start_offset), - }, - { - .name = "zonesize", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(zone_size), - }, - { - .name = "zoneskip", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(zone_skip), - }, - { - .name = "lockmem", - .type = FIO_OPT_STR_VAL, - .cb = str_lockmem_cb, - }, - { - .name = "bsrange", - .type = FIO_OPT_RANGE, - .off1 = td_var_offset(min_bs), - .off2 = td_var_offset(max_bs), - }, - { - .name = "nrfiles", - .type = FIO_OPT_INT, - .off1 = td_var_offset(nr_files), - }, - { - .name = "iodepth", - .type = FIO_OPT_INT, - .off1 = td_var_offset(iodepth), - }, - { - .name = "fsync", - .type = FIO_OPT_INT, - .off1 = td_var_offset(fsync_blocks), - }, - { - .name = "rwmixcycle", - .type = FIO_OPT_INT, - .off1 = td_var_offset(rwmixcycle), - }, - { - .name = "rwmixread", - .type = FIO_OPT_INT, - .off1 = td_var_offset(rwmixread), - .max_val= 100, - }, - { - .name = "rwmixwrite", - .type = FIO_OPT_INT, - .off1 = td_var_offset(rwmixwrite), - .max_val= 100, - }, - { - .name = "nice", - .type = FIO_OPT_INT, - .off1 = td_var_offset(nice), - }, -#ifdef FIO_HAVE_IOPRIO - { - .name = "prio", - .type = FIO_OPT_INT, - .cb = str_prio_cb, - }, - { - .name = "prioclass", - .type = FIO_OPT_INT, - .cb = str_prioclass_cb, - }, -#endif - { - .name = "thinktime", - .type = FIO_OPT_INT, - .off1 = td_var_offset(thinktime) - }, - { - .name = "rate", - .type = FIO_OPT_INT, - .off1 = td_var_offset(rate) - }, - { - .name = "ratemin", - .type = FIO_OPT_INT, - .off1 = td_var_offset(ratemin) - }, - { - .name = "ratecycle", - .type = FIO_OPT_INT, - .off1 = td_var_offset(ratecycle) - }, - { - .name = "startdelay", - .type = FIO_OPT_INT, - .off1 = td_var_offset(start_delay) - }, - { - .name = "timeout", - .type = FIO_OPT_STR_VAL_TIME, - .off1 = td_var_offset(timeout) - }, - { - .name = "invalidate", - .type = FIO_OPT_INT, - .off1 = td_var_offset(invalidate_cache) - }, - { - .name = "sync", - .type = FIO_OPT_INT, - .off1 = td_var_offset(sync_io) - }, - { - .name = "bwavgtime", - .type = FIO_OPT_INT, - .off1 = td_var_offset(bw_avg_time) - }, - { - .name = "create_serialize", - .type = FIO_OPT_INT, - .off1 = td_var_offset(create_serialize) - }, - { - .name = "create_fsync", - .type = FIO_OPT_INT, - .off1 = td_var_offset(create_fsync) - }, - { - .name = "loops", - .type = FIO_OPT_INT, - .off1 = td_var_offset(loops) - }, - { - .name = "numjobs", - .type = FIO_OPT_INT, - .off1 = td_var_offset(numjobs) - }, - { - .name = "cpuload", - .type = FIO_OPT_INT, - .off1 = td_var_offset(cpuload) - }, - { - .name = "cpuchunks", - .type = FIO_OPT_INT, - .off1 = td_var_offset(cpucycle) - }, - { - .name = "direct", - .type = FIO_OPT_INT, - .off1 = td_var_offset(odirect) - }, - { - .name = "overwrite", - .type = FIO_OPT_INT, - .off1 = td_var_offset(overwrite) - }, -#ifdef FIO_HAVE_CPU_AFFINITY - { - .name = "cpumask", - .type = FIO_OPT_INT, - .cb = str_cpumask_cb, - }, -#endif - { - .name = "end_fsync", - .type = FIO_OPT_INT, - .off1 = td_var_offset(end_fsync) - }, - { - .name = "unlink", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(unlink), - }, - { - .name = "exitall", - .type = FIO_OPT_STR_SET, - .cb = str_exitall_cb, - }, - { - .name = "stonewall", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(stonewall), - }, - { - .name = "thread", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(thread), - }, - { - .name = "write_bw_log", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(write_bw_log), - }, - { - .name = "write_lat_log", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(write_lat_log), - }, - { - .name = NULL, + .name = NULL, }, }; -static int def_timeout = DEF_TIMEOUT; - -static char fio_version_string[] = "fio 1.5"; - -static char **ini_file; -static int max_jobs = MAX_JOBS; - -struct thread_data def_thread; -struct thread_data *threads = NULL; - -int rate_quit = 0; -int exitall_on_terminate = 0; -int terse_output = 0; -unsigned long long mlock_size = 0; -FILE *f_out = NULL; -FILE *f_err = NULL; +FILE *get_f_out() +{ + return f_out; +} -static int write_lat_log = DEF_WRITE_LAT_LOG; -static int write_bw_log = DEF_WRITE_BW_LOG; +FILE *get_f_err() +{ + return f_err; +} /* * Return a free job structure. @@ -379,7 +120,9 @@ static struct thread_data *get_new_job(int global, struct thread_data *parent) td = &threads[thread_number++]; *td = *parent; - td->name[0] = '\0'; + + dup_files(td, parent); + options_mem_dupe(td); td->thread_number = thread_number; return td; @@ -387,221 +130,220 @@ static struct thread_data *get_new_job(int global, struct thread_data *parent) static void put_job(struct thread_data *td) { + if (td == &def_thread) + return; + + if (td->error) + log_info("fio: %s\n", td->verror); + memset(&threads[td->thread_number - 1], 0, sizeof(*td)); thread_number--; } -static void fixup_options(struct thread_data *td) +static int setup_rate(struct thread_data *td) { - if (!td->min_bs) - td->min_bs = td->bs; - if (!td->max_bs) - td->max_bs = td->bs; + unsigned long nr_reads_per_msec; + unsigned long long rate; + unsigned int bs; + + if (!td->o.rate && !td->o.rate_iops) + return 0; + + if (td_rw(td)) + bs = td->o.rw_min_bs; + else if (td_read(td)) + bs = td->o.min_bs[DDIR_READ]; + else + bs = td->o.min_bs[DDIR_WRITE]; - if (!td->rwmixread && td->rwmixwrite) - td->rwmixread = 100 - td->rwmixwrite; + if (td->o.rate) { + rate = td->o.rate; + nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; + } else + nr_reads_per_msec = td->o.rate_iops * 1000UL; + + if (!nr_reads_per_msec) { + log_err("rate lower than supported\n"); + return -1; + } + + td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; + td->rate_pending_usleep = 0; + return 0; } /* - * Adds a job to the list of things todo. Sanitizes the various options - * to make sure we don't have conflicts, and initializes various - * members of td. + * Lazy way of fixing up options that depend on each other. We could also + * define option callback handlers, but this is easier. */ -static int add_job(struct thread_data *td, const char *jobname, int job_add_num) +static int fixup_options(struct thread_data *td) { - char *ddir_str[] = { "read", "write", "randread", "randwrite", - "rw", NULL, "randrw" }; - struct stat sb; - int numjobs, ddir, i; - struct fio_file *f; - -#ifndef FIO_HAVE_LIBAIO - if (td->io_engine == FIO_LIBAIO) { - log_err("Linux libaio not available\n"); - return 1; - } -#endif -#ifndef FIO_HAVE_POSIXAIO - if (td->io_engine == FIO_POSIXAIO) { - log_err("posix aio not available\n"); - return 1; - } -#endif - - fixup_options(td); + struct thread_options *o = &td->o; - /* - * the def_thread is just for options, it's not a real job - */ - if (td == &def_thread) - return 0; + if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) + o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; - /* - * Set default io engine, if none set - */ - if (!td->io_ops) { - td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); - if (!td->io_ops) { - log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); - return 1; - } + if (o->write_iolog_file && o->read_iolog_file) { + log_err("fio: read iolog overrides write_iolog\n"); + free(o->write_iolog_file); + o->write_iolog_file = NULL; } if (td->io_ops->flags & FIO_SYNCIO) - td->iodepth = 1; + o->iodepth = 1; else { - if (!td->iodepth) - td->iodepth = td->nr_files; + if (!o->iodepth) + o->iodepth = o->open_files; } /* * only really works for sequential io for now, and with 1 file */ - if (td->zone_size && !td->sequential && td->nr_files == 1) - td->zone_size = 0; + if (o->zone_size && td_random(td) && o->open_files == 1) + o->zone_size = 0; /* * Reads can do overwrites, we always need to pre-create the file */ if (td_read(td) || td_rw(td)) - td->overwrite = 1; - - td->filetype = FIO_TYPE_FILE; - if (!stat(jobname, &sb)) { - if (S_ISBLK(sb.st_mode)) - td->filetype = FIO_TYPE_BD; - else if (S_ISCHR(sb.st_mode)) - td->filetype = FIO_TYPE_CHAR; - } + o->overwrite = 1; - if (td->odirect) - td->io_ops->flags |= FIO_RAWIO; - - if (td->filename) - td->nr_uniq_files = 1; - else - td->nr_uniq_files = td->nr_files; + if (!o->min_bs[DDIR_READ]) + o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; + if (!o->max_bs[DDIR_READ]) + o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; + if (!o->min_bs[DDIR_WRITE]) + o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; + if (!o->max_bs[DDIR_WRITE]) + o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; - if (td->filetype == FIO_TYPE_FILE || td->filename) { - char tmp[PATH_MAX]; - int len = 0; - int i; + o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); - if (td->directory && td->directory[0] != '\0') - sprintf(tmp, "%s/", td->directory); + if (!o->file_size_high) + o->file_size_high = o->file_size_low; - td->files = malloc(sizeof(struct fio_file) * td->nr_files); + if (o->norandommap && o->verify != VERIFY_NONE) { + log_err("fio: norandommap given, verify disabled\n"); + o->verify = VERIFY_NONE; + } + if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) + log_err("fio: bs_unaligned may not work with raw io\n"); - for_each_file(td, f, i) { - memset(f, 0, sizeof(*f)); - f->fd = -1; + /* + * thinktime_spin must be less than thinktime + */ + if (o->thinktime_spin > o->thinktime) + o->thinktime_spin = o->thinktime; - if (td->filename) - sprintf(tmp + len, "%s", td->filename); - else - sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); - f->file_name = strdup(tmp); - } - } else { - td->nr_files = 1; - td->files = malloc(sizeof(struct fio_file)); - f = &td->files[0]; - - memset(f, 0, sizeof(*f)); - f->fd = -1; - f->file_name = strdup(jobname); + /* + * The low water mark cannot be bigger than the iodepth + */ + if (o->iodepth_low > o->iodepth || !o->iodepth_low) { + /* + * syslet work around - if the workload is sequential, + * we want to let the queue drain all the way down to + * avoid seeking between async threads + */ + if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) + o->iodepth_low = 1; + else + o->iodepth_low = o->iodepth; } - for_each_file(td, f, i) { - f->file_size = td->total_file_size / td->nr_files; - f->file_offset = td->start_offset; + /* + * If batch number isn't set, default to the same as iodepth + */ + if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) + o->iodepth_batch = o->iodepth; + + if (o->nr_files > td->files_index) + o->nr_files = td->files_index; + + if (o->open_files > o->nr_files || !o->open_files) + o->open_files = o->nr_files; + + if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { + log_err("fio: rate and rate_iops are mutually exclusive\n"); + return 1; + } + if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { + log_err("fio: minimum rate exceeds rate\n"); + return 1; } - - fio_sem_init(&td->mutex, 0); - td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; - td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; - td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; + if (!o->timeout && o->time_based) { + log_err("fio: time_based requires a runtime/timeout setting\n"); + o->time_based = 0; + } - if (td->min_bs == -1U) - td->min_bs = td->bs; - if (td->max_bs == -1U) - td->max_bs = td->bs; - if (td_read(td) && !td_rw(td)) - td->verify = 0; + return 0; +} - if (td->stonewall && td->thread_number > 1) - groupid++; +/* + * This function leaks the buffer + */ +static char *to_kmg(unsigned int val) +{ + char *buf = malloc(32); + char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; + char *p = post; - td->groupid = groupid; + do { + if (val & 1023) + break; - if (setup_rate(td)) - goto err; + val >>= 10; + p++; + } while (*p); - if (td->write_lat_log) { - setup_log(&td->slat_log); - setup_log(&td->clat_log); - } - if (td->write_bw_log) - setup_log(&td->bw_log); + snprintf(buf, 31, "%u%c", val, *p); + return buf; +} - if (td->name[0] == '\0') - snprintf(td->name, sizeof(td->name)-1, "client%d", td->thread_number); +/* External engines are specified by "external:name.o") */ +static const char *get_engine_name(const char *str) +{ + char *p = strstr(str, ":"); - ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); + if (!p) + return str; - if (!terse_output) { - if (!job_add_num) { - if (td->io_ops->flags & FIO_CPUIO) - fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); - else - fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_ops->name, td->iodepth); - } else if (job_add_num == 1) - fprintf(f_out, "...\n"); - } + p++; + strip_blank_front(&p); + strip_blank_end(p); + return p; +} - /* - * recurse add identical jobs, clear numjobs and stonewall options - * as they don't apply to sub-jobs - */ - numjobs = td->numjobs; - while (--numjobs) { - struct thread_data *td_new = get_new_job(0, td); +static int exists_and_not_file(const char *filename) +{ + struct stat sb; - if (!td_new) - goto err; + if (lstat(filename, &sb) == -1) + return 0; - td_new->numjobs = 1; - td_new->stonewall = 0; - job_add_num = numjobs - 1; + if (S_ISREG(sb.st_mode)) + return 0; - if (add_job(td_new, jobname, job_add_num)) - goto err; - } - return 0; -err: - put_job(td); - return -1; + return 1; } /* * Initialize the various random states we need (random io, block size ranges, * read/write mix, etc). */ -int init_random_state(struct thread_data *td) +static int init_random_state(struct thread_data *td) { - unsigned long seeds[4]; - int fd, num_maps, blocks, i; - struct fio_file *f; + unsigned long seeds[6]; + int fd; fd = open("/dev/urandom", O_RDONLY); if (fd == -1) { - td_verror(td, errno); + td_verror(td, errno, "open"); return 1; } if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { - td_verror(td, EIO); + td_verror(td, EIO, "read"); close(fd); return 1; } @@ -612,186 +354,205 @@ int init_random_state(struct thread_data *td) os_random_seed(seeds[1], &td->verify_state); os_random_seed(seeds[2], &td->rwmix_state); - if (td->sequential) - return 0; + if (td->o.file_service_type == FIO_FSERVICE_RANDOM) + os_random_seed(seeds[3], &td->next_file_state); - if (td->rand_repeatable) - seeds[3] = DEF_RANDSEED; + os_random_seed(seeds[5], &td->file_size_state); - for_each_file(td, f, i) { - blocks = (f->file_size + td->min_bs - 1) / td->min_bs; - num_maps = blocks / BLOCKS_PER_MAP; - f->file_map = malloc(num_maps * sizeof(long)); - f->num_maps = num_maps; - memset(f->file_map, 0, num_maps * sizeof(long)); - } + if (!td_random(td)) + return 0; - os_random_seed(seeds[3], &td->random_state); + if (td->o.rand_repeatable) + seeds[4] = FIO_RANDSEED * td->thread_number; + + os_random_seed(seeds[4], &td->random_state); return 0; } -static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) +/* + * Adds a job to the list of things todo. Sanitizes the various options + * to make sure we don't have conflicts, and initializes various + * members of td. + */ +static int add_job(struct thread_data *td, const char *jobname, int job_add_num) { -#ifdef FIO_HAVE_CPU_AFFINITY + const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, + "randread", "randwrite", "randrw" }; unsigned int i; + const char *engine; + char fname[PATH_MAX]; + int numjobs, file_alloced; - CPU_ZERO(&cpumask); + /* + * the def_thread is just for options, it's not a real job + */ + if (td == &def_thread) + return 0; - for (i = 0; i < sizeof(int) * 8; i++) { - if ((1 << i) & cpu) - CPU_SET(i, &cpumask); + /* + * if we are just dumping the output command line, don't add the job + */ + if (dump_cmdline) { + put_job(td); + return 0; } -#endif -} -static int is_empty_or_comment(char *line) -{ - unsigned int i; + engine = get_engine_name(td->o.ioengine); + td->io_ops = load_ioengine(td, engine); + if (!td->io_ops) { + log_err("fio: failed to load engine %s\n", engine); + goto err; + } - for (i = 0; i < strlen(line); i++) { - if (line[i] == ';') - return 1; - if (!isspace(line[i]) && !iscntrl(line[i])) - return 0; + if (td->o.use_thread) + nr_thread++; + else + nr_process++; + + if (td->o.odirect) + td->io_ops->flags |= FIO_RAWIO; + + file_alloced = 0; + if (!td->o.filename && !td->files_index) { + file_alloced = 1; + + if (td->o.nr_files == 1 && exists_and_not_file(jobname)) + add_file(td, jobname); + else { + for (i = 0; i < td->o.nr_files; i++) { + sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); + add_file(td, fname); + } + } } - return 1; -} + if (fixup_options(td)) + goto err; -static int str_rw_cb(void *data, char *mem) -{ - struct thread_data *td = data; + if (td->io_ops->flags & FIO_DISKLESSIO) { + struct fio_file *f; - if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { - td->ddir = DDIR_READ; - td->sequential = 1; - return 0; - } else if (!strncmp(mem, "randread", 8)) { - td->ddir = DDIR_READ; - td->sequential = 0; - return 0; - } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { - td->ddir = DDIR_WRITE; - td->sequential = 1; - return 0; - } else if (!strncmp(mem, "randwrite", 9)) { - td->ddir = DDIR_WRITE; - td->sequential = 0; - return 0; - } else if (!strncmp(mem, "rw", 2)) { - td->ddir = 0; - td->iomix = 1; - td->sequential = 1; - return 0; - } else if (!strncmp(mem, "randrw", 6)) { - td->ddir = 0; - td->iomix = 1; - td->sequential = 0; - return 0; + for_each_file(td, f, i) + f->real_file_size = -1ULL; } - log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); - return 1; -} + td->mutex = fio_sem_init(0); -static int str_verify_cb(void *data, char *mem) -{ - struct thread_data *td = data; + td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; + td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; + td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; + td->ddir_nr = td->o.ddir_nr; - if (!strncmp(mem, "0", 1)) { - td->verify = VERIFY_NONE; - return 0; - } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { - td->verify = VERIFY_MD5; - return 0; - } else if (!strncmp(mem, "crc32", 5)) { - td->verify = VERIFY_CRC32; - return 0; + if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) + && prev_group_jobs) { + prev_group_jobs = 0; + groupid++; } - log_err("fio: verify types: md5, crc32\n"); - return 1; -} + td->groupid = groupid; + prev_group_jobs++; -static int str_mem_cb(void *data, char *mem) -{ - struct thread_data *td = data; + if (init_random_state(td)) + goto err; - if (!strncmp(mem, "malloc", 6)) { - td->mem_type = MEM_MALLOC; - return 0; - } else if (!strncmp(mem, "shm", 3)) { - td->mem_type = MEM_SHM; - return 0; - } else if (!strncmp(mem, "mmap", 4)) { - td->mem_type = MEM_MMAP; - return 0; + if (setup_rate(td)) + goto err; + + if (td->o.write_lat_log) { + setup_log(&td->ts.slat_log); + setup_log(&td->ts.clat_log); } + if (td->o.write_bw_log) + setup_log(&td->ts.bw_log); - log_err("fio: mem type: malloc, shm, mmap\n"); - return 1; -} + if (!td->o.name) + td->o.name = strdup(jobname); -static int str_ioengine_cb(void *data, char *str) -{ - struct thread_data *td = data; + if (!terse_output) { + if (!job_add_num) { + if (!strcmp(td->io_ops->name, "cpuio")) + log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); + else { + char *c1, *c2, *c3, *c4; + + c1 = to_kmg(td->o.min_bs[DDIR_READ]); + c2 = to_kmg(td->o.max_bs[DDIR_READ]); + c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); + c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); + + log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->o.name, td->groupid, ddir_str[td->o.td_ddir], c1, c2, c3, c4, td->io_ops->name, td->o.iodepth); + + free(c1); + free(c2); + free(c3); + free(c4); + } + } else if (job_add_num == 1) + log_info("...\n"); + } - td->io_ops = load_ioengine(td, str); - if (td->io_ops) - return 0; + /* + * recurse add identical jobs, clear numjobs and stonewall options + * as they don't apply to sub-jobs + */ + numjobs = td->o.numjobs; + while (--numjobs) { + struct thread_data *td_new = get_new_job(0, td); - log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); - return 1; -} + if (!td_new) + goto err; -static int str_lockmem_cb(void fio_unused *data, unsigned long *val) -{ - mlock_size = *val; - return 0; -} + td_new->o.numjobs = 1; + td_new->o.stonewall = 0; + td_new->o.new_group = 0; -static int str_prioclass_cb(void *data, unsigned int *val) -{ - struct thread_data *td = data; + if (file_alloced) { + td_new->o.filename = NULL; + td_new->files_index = 0; + td_new->files = NULL; + } - td->ioprio |= *val << IOPRIO_CLASS_SHIFT; - return 0; -} + job_add_num = numjobs - 1; -static int str_prio_cb(void *data, unsigned int *val) -{ - struct thread_data *td = data; + if (add_job(td_new, jobname, job_add_num)) + goto err; + } - td->ioprio |= *val; return 0; +err: + put_job(td); + return -1; } -static int str_exitall_cb(void) +static int is_empty_or_comment(char *line) { - exitall_on_terminate = 1; - return 0; -} + unsigned int i; -static int str_cpumask_cb(void *data, unsigned int *val) -{ - struct thread_data *td = data; + for (i = 0; i < strlen(line); i++) { + if (line[i] == ';') + return 1; + if (line[i] == '#') + return 1; + if (!isspace(line[i]) && !iscntrl(line[i])) + return 0; + } - fill_cpu_mask(td->cpumask, *val); - return 0; + return 1; } /* * This is our [ini] type file parser. */ -int parse_jobs_ini(char *file, int stonewall_flag) +static int parse_jobs_ini(char *file, int stonewall_flag) { unsigned int global; struct thread_data *td; - char *string, *name, *tmpbuf; + char *string, *name; fpos_t off; FILE *f; char *p; int ret = 0, stonewall; + int first_sect = 1; f = fopen(file, "r"); if (!f) { @@ -800,22 +561,41 @@ int parse_jobs_ini(char *file, int stonewall_flag) } string = malloc(4096); - name = malloc(256); - tmpbuf = malloc(4096); + + /* + * it's really 256 + small bit, 280 should suffice + */ + name = malloc(280); + memset(name, 0, 280); stonewall = stonewall_flag; - while ((p = fgets(string, 4096, f)) != NULL) { - if (ret) + do { + p = fgets(string, 4095, f); + if (!p) break; + + strip_blank_front(&p); + strip_blank_end(p); + if (is_empty_or_comment(p)) continue; - if (sscanf(p, "[%s]", name) != 1) - continue; + if (sscanf(p, "[%255s]", name) != 1) { + log_err("fio: option <%s> outside of [] job section\n", p); + break; + } global = !strncmp(name, "global", 6); name[strlen(name) - 1] = '\0'; + if (dump_cmdline) { + if (first_sect) + log_info("fio "); + if (!global) + log_info("--name=%s ", name); + first_sect = 0; + } + td = get_new_job(global, &def_thread); if (!td) { ret = 1; @@ -826,7 +606,7 @@ int parse_jobs_ini(char *file, int stonewall_flag) * Seperate multiple job files by a stonewall */ if (!global && stonewall) { - td->stonewall = stonewall; + td->o.stonewall = stonewall; stonewall = 0; } @@ -834,10 +614,12 @@ int parse_jobs_ini(char *file, int stonewall_flag) while ((p = fgets(string, 4096, f)) != NULL) { if (is_empty_or_comment(p)) continue; - if (strstr(p, "[")) - break; strip_blank_front(&p); + + if (p[0] == '[') + break; + strip_blank_end(p); fgetpos(f, &off); @@ -847,20 +629,25 @@ int parse_jobs_ini(char *file, int stonewall_flag) * dump all the bad ones. Makes trial/error fixups * easier on the user. */ - ret = parse_option(p, options, td); + ret |= fio_option_parse(td, p); + if (!ret && dump_cmdline) + log_info("--%s ", p); } if (!ret) { fsetpos(f, &off); ret = add_job(td, name, 0); + } else { + log_err("fio: job %s dropped\n", name); + put_job(td); } - if (ret) - break; - } + } while (!ret); + + if (dump_cmdline) + log_info("\n"); free(string); free(name); - free(tmpbuf); fclose(f); return ret; } @@ -869,114 +656,18 @@ static int fill_def_thread(void) { memset(&def_thread, 0, sizeof(def_thread)); - if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { - perror("sched_getaffinity"); - return 1; - } + fio_getaffinity(getpid(), &def_thread.o.cpumask); /* - * fill globals + * fill default options */ - def_thread.ddir = DDIR_READ; - def_thread.iomix = 0; - def_thread.bs = DEF_BS; - def_thread.min_bs = -1; - def_thread.max_bs = -1; - def_thread.odirect = DEF_ODIRECT; - def_thread.ratecycle = DEF_RATE_CYCLE; - def_thread.sequential = DEF_SEQUENTIAL; - def_thread.timeout = def_timeout; - def_thread.overwrite = DEF_OVERWRITE; - def_thread.invalidate_cache = DEF_INVALIDATE; - def_thread.sync_io = DEF_SYNCIO; - def_thread.mem_type = MEM_MALLOC; - def_thread.bw_avg_time = DEF_BWAVGTIME; - def_thread.create_serialize = DEF_CREATE_SER; - def_thread.create_fsync = DEF_CREATE_FSYNC; - def_thread.loops = DEF_LOOPS; - def_thread.verify = DEF_VERIFY; - def_thread.stonewall = DEF_STONEWALL; - def_thread.numjobs = DEF_NUMJOBS; - def_thread.use_thread = DEF_USE_THREAD; - def_thread.rwmixcycle = DEF_RWMIX_CYCLE; - def_thread.rwmixread = DEF_RWMIX_READ; - def_thread.nice = DEF_NICE; - def_thread.rand_repeatable = DEF_RAND_REPEAT; - def_thread.nr_files = DEF_NR_FILES; - def_thread.unlink = DEF_UNLINK; - def_thread.write_bw_log = write_bw_log; - def_thread.write_lat_log = write_lat_log; -#ifdef FIO_HAVE_DISK_UTIL - def_thread.do_disk_util = 1; -#endif - - return 0; -} - -static void usage(void) -{ - printf("%s\n", fio_version_string); - printf("\t-o Write output to file\n"); - printf("\t-t Runtime in seconds\n"); - printf("\t-l Generate per-job latency logs\n"); - printf("\t-w Generate per-job bandwidth logs\n"); - printf("\t-m Minimal (terse) output\n"); - printf("\t-v Print version info and exit\n"); -} - -static int parse_cmd_line(int argc, char *argv[]) -{ - int c, idx = 1, ini_idx = 0; - - while ((c = getopt(argc, argv, "t:o:lwvhm")) != EOF) { - switch (c) { - case 't': - def_timeout = atoi(optarg); - idx = optind; - break; - case 'l': - write_lat_log = 1; - idx = optind; - break; - case 'w': - write_bw_log = 1; - idx = optind; - break; - case 'o': - f_out = fopen(optarg, "w+"); - if (!f_out) { - perror("fopen output"); - exit(1); - } - f_err = f_out; - idx = optind; - break; - case 'm': - terse_output = 1; - idx = optind; - break; - case 'h': - usage(); - exit(0); - case 'v': - printf("%s\n", fio_version_string); - exit(0); - } - } + fio_fill_default_options(&def_thread); - while (idx < argc) { - ini_idx++; - ini_file = realloc(ini_file, ini_idx * sizeof(char *)); - ini_file[ini_idx - 1] = strdup(argv[idx]); - idx++; - } - - if (!f_out) { - f_out = stdout; - f_err = stderr; - } + def_thread.o.timeout = def_timeout; + def_thread.o.write_bw_log = write_bw_log; + def_thread.o.write_lat_log = write_lat_log; - return ini_idx; + return 0; } static void free_shm(void) @@ -1028,21 +719,128 @@ static int setup_thread_area(void) return 0; } +static void usage(void) +{ + printf("%s\n", fio_version_string); + printf("\t--output\tWrite output to file\n"); + printf("\t--timeout\tRuntime in seconds\n"); + printf("\t--latency-log\tGenerate per-job latency logs\n"); + printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); + printf("\t--minimal\tMinimal (terse) output\n"); + printf("\t--version\tPrint version info and exit\n"); + printf("\t--help\t\tPrint this page\n"); + printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); + printf("\t--showcmd\tTurn a job file into command line options\n"); +} + +static int parse_cmd_line(int argc, char *argv[]) +{ + struct thread_data *td = NULL; + int c, ini_idx = 0, lidx, ret, dont_add_job = 0; + + while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { + switch (c) { + case 't': + def_timeout = atoi(optarg); + break; + case 'l': + write_lat_log = 1; + break; + case 'w': + write_bw_log = 1; + break; + case 'o': + f_out = fopen(optarg, "w+"); + if (!f_out) { + perror("fopen output"); + exit(1); + } + f_err = f_out; + break; + case 'm': + terse_output = 1; + break; + case 'h': + usage(); + exit(0); + case 'c': + exit(fio_show_option_help(optarg)); + case 's': + dump_cmdline = 1; + break; + case 'v': + printf("%s\n", fio_version_string); + exit(0); + case FIO_GETOPT_JOB: { + const char *opt = long_options[lidx].name; + char *val = optarg; + + if (!strncmp(opt, "name", 4) && td) { + ret = add_job(td, td->o.name ?: "fio", 0); + if (ret) { + put_job(td); + return 0; + } + td = NULL; + } + if (!td) { + int global = 0; + + if (strncmp(opt, "name", 4) || + !strncmp(val, "global", 6)) + global = 1; + + td = get_new_job(global, &def_thread); + if (!td) + return 0; + } + + ret = fio_cmd_option_parse(td, opt, val); + if (ret) + dont_add_job = 1; + break; + } + default: + break; + } + } + + if (td) { + if (dont_add_job) + put_job(td); + else { + ret = add_job(td, td->o.name ?: "fio", 0); + if (ret) + put_job(td); + } + } + + while (optind < argc) { + ini_idx++; + ini_file = realloc(ini_file, ini_idx * sizeof(char *)); + ini_file[ini_idx - 1] = strdup(argv[optind]); + optind++; + } + + return ini_idx; +} + + int parse_options(int argc, char *argv[]) { int job_files, i; + f_out = stdout; + f_err = stderr; + + fio_options_dup_and_init(long_options); + if (setup_thread_area()) return 1; if (fill_def_thread()) return 1; job_files = parse_cmd_line(argc, argv); - if (!job_files) { - log_err("Need job file(s)\n"); - usage(); - return 1; - } for (i = 0; i < job_files; i++) { if (fill_def_thread()) @@ -1053,5 +851,15 @@ int parse_options(int argc, char *argv[]) } free(ini_file); + options_mem_free(&def_thread); + + if (!thread_number) { + if (dump_cmdline) + return 0; + + log_err("No jobs defined(s)\n"); + return 1; + } + return 0; }