X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=c2725261ad8481ee923de2fb5b6e3ac524868e03;hp=d259c998c39215c3e0914b5aa1a57829bd464f9f;hb=375b2695693f56987e23deef3ded8e5b06ef6797;hpb=45410acb636e526575d62a037f81ade7916b738c diff --git a/init.c b/init.c index d259c998..355de88f 100644 --- a/init.c +++ b/init.c @@ -1,3 +1,6 @@ +/* + * This file contains job initialization and setup functions. + */ #include #include #include @@ -5,105 +8,107 @@ #include #include #include +#include #include #include #include #include #include "fio.h" +#include "parse.h" + +static char fio_version_string[] = "fio 1.16.1"; + +#define FIO_RANDSEED (0xb1899bedUL) -#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_CREATE (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) - -static char fio_version_string[] = "fio 1.4"; - -static int repeatable = DEF_RAND_REPEAT; -static char *ini_file; +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 rate_quit = 0; -int write_lat_log = 0; -int write_bw_log = 0; int exitall_on_terminate = 0; +int terse_output = 0; unsigned long long mlock_size = 0; +FILE *f_out = NULL; +FILE *f_err = NULL; -static int setup_rate(struct thread_data *td) -{ - int nr_reads_per_sec; - - if (!td->rate) - return 0; +int write_bw_log = 0; - if (td->rate < td->ratemin) { - fprintf(stderr, "min rate larger than nominal rate\n"); - return -1; - } +static int def_timeout = 0; +static int write_lat_log = 0; - nr_reads_per_sec = (td->rate * 1024) / td->min_bs; - td->rate_usec_cycle = 1000000 / nr_reads_per_sec; - td->rate_pending_usleep = 0; - return 0; -} +static int prev_group_jobs; -static void setup_log(struct io_log **log) +/* + * Command line options. These will contain the above, plus a few + * extra that only pertain to fio itself and not jobs. + */ +static struct option long_options[FIO_NR_OPTIONS] = { + { + .name = "output", + .has_arg = required_argument, + .val = 'o', + }, + { + .name = "timeout", + .has_arg = required_argument, + .val = 't', + }, + { + .name = "latency-log", + .has_arg = required_argument, + .val = 'l', + }, + { + .name = "bandwidth-log", + .has_arg = required_argument, + .val = 'b', + }, + { + .name = "minimal", + .has_arg = optional_argument, + .val = 'm', + }, + { + .name = "version", + .has_arg = no_argument, + .val = 'v', + }, + { + .name = "help", + .has_arg = no_argument, + .val = 'h', + }, + { + .name = "cmdhelp", + .has_arg = optional_argument, + .val = 'c', + }, + { + .name = "showcmd", + .has_arg = no_argument, + .val = 's' + }, + { + .name = NULL, + }, +}; + +FILE *get_f_out() { - struct io_log *l = malloc(sizeof(*l)); - - l->nr_samples = 0; - l->max_samples = 1024; - l->log = malloc(l->max_samples * sizeof(struct io_sample)); - *log = l; + return f_out; } -void finish_log(struct thread_data *td, struct io_log *log, const char *name) +FILE *get_f_err() { - char file_name[256]; - FILE *f; - unsigned int i; - - snprintf(file_name, 200, "client%d_%s.log", td->thread_number, name); - f = fopen(file_name, "w"); - if (!f) { - perror("fopen log"); - return; - } - - for (i = 0; i < log->nr_samples; i++) - fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val, log->log[i].ddir); - - fclose(f); - free(log->log); - free(log); + return f_err; } +/* + * Return a free job structure. + */ static struct thread_data *get_new_job(int global, struct thread_data *parent) { struct thread_data *td; @@ -114,555 +119,443 @@ static struct thread_data *get_new_job(int global, struct thread_data *parent) return NULL; td = &threads[thread_number++]; - if (parent) - *td = *parent; - else - memset(td, 0, sizeof(*td)); + *td = *parent; - td->fd = -1; - td->thread_number = thread_number; - - td->ddir = parent->ddir; - td->ioprio = parent->ioprio; - td->sequential = parent->sequential; - td->bs = parent->bs; - td->min_bs = parent->min_bs; - td->max_bs = parent->max_bs; - td->odirect = parent->odirect; - td->thinktime = parent->thinktime; - td->fsync_blocks = parent->fsync_blocks; - td->start_delay = parent->start_delay; - td->timeout = parent->timeout; - td->io_engine = parent->io_engine; - td->create_file = parent->create_file; - td->overwrite = parent->overwrite; - td->invalidate_cache = parent->invalidate_cache; - td->file_size = parent->file_size; - td->file_offset = parent->file_offset; - td->zone_size = parent->zone_size; - td->zone_skip = parent->zone_skip; - td->rate = parent->rate; - td->ratemin = parent->ratemin; - td->ratecycle = parent->ratecycle; - td->iodepth = parent->iodepth; - td->sync_io = parent->sync_io; - td->mem_type = parent->mem_type; - td->bw_avg_time = parent->bw_avg_time; - td->create_serialize = parent->create_serialize; - td->create_fsync = parent->create_fsync; - td->loops = parent->loops; - td->verify = parent->verify; - td->stonewall = parent->stonewall; - td->numjobs = parent->numjobs; - td->use_thread = parent->use_thread; - td->do_disk_util = parent->do_disk_util; - memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask)); - strcpy(td->io_engine_name, parent->io_engine_name); + dup_files(td, parent); + options_mem_dupe(td); + td->thread_number = thread_number; return td; } 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 int add_job(struct thread_data *td, const char *jobname, int job_add_num) +static int setup_rate(struct thread_data *td) { - char *ddir_str[] = { "read", "write", "randread", "randwrite", - "rw", NULL, "randrw" }; - struct stat sb; - int numjobs, ddir; - -#ifndef FIO_HAVE_LIBAIO - if (td->io_engine == FIO_LIBAIO) { - fprintf(stderr, "Linux libaio not available\n"); - return 1; - } -#endif -#ifndef FIO_HAVE_POSIXAIO - if (td->io_engine == FIO_POSIXAIO) { - fprintf(stderr, "posix aio not available\n"); - return 1; - } -#endif + unsigned long nr_reads_per_msec; + unsigned long long rate; + unsigned int bs; - /* - * the def_thread is just for options, it's not a real job - */ - if (td == &def_thread) + if (!td->o.rate && !td->o.rate_iops) return 0; - if (td->io_engine & FIO_SYNCIO) - td->iodepth = 1; - else { - if (!td->iodepth) - td->iodepth = 1; - } - - /* - * only really works for sequential io for now - */ - if (td->zone_size && !td->sequential) - td->zone_size = 0; - - 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; - } + 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->filetype == FIO_TYPE_FILE) { - if (td->directory && td->directory[0] != '\0') - sprintf(td->file_name, "%s/%s.%d", td->directory, jobname, td->jobnum); - else - sprintf(td->file_name, "%s.%d", jobname, td->jobnum); + if (td->o.rate) { + rate = td->o.rate; + nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; } else - strncpy(td->file_name, jobname, sizeof(td->file_name) - 1); - - sem_init(&td->mutex, 0, 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; + nr_reads_per_msec = td->o.rate_iops * 1000UL; - 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; + if (!nr_reads_per_msec) { + log_err("rate lower than supported\n"); + return -1; + } - if (td->stonewall && td->thread_number > 1) - groupid++; + td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; + td->rate_pending_usleep = 0; + return 0; +} - td->groupid = groupid; +/* + * Lazy way of fixing up options that depend on each other. We could also + * define option callback handlers, but this is easier. + */ +static int fixup_options(struct thread_data *td) +{ + struct thread_options *o = &td->o; - if (setup_rate(td)) - goto err; + if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) + o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; - if (write_lat_log) { - setup_log(&td->slat_log); - setup_log(&td->clat_log); + 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 (write_bw_log) - setup_log(&td->bw_log); - - if (td->name[0] == '\0') - snprintf(td->name, sizeof(td->name)-1, "client%d", td->thread_number); - - ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); - if (!job_add_num) - printf("%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_engine_name, td->iodepth); - else if (job_add_num == 1) - printf("...\n"); + if (td->io_ops->flags & FIO_SYNCIO) + o->iodepth = 1; + else { + if (!o->iodepth) + o->iodepth = o->open_files; + } /* - * recurse add identical jobs, clear numjobs and stonewall options - * as they don't apply to sub-jobs + * only really works for sequential io for now, and with 1 file */ - numjobs = td->numjobs; - while (--numjobs) { - struct thread_data *td_new = get_new_job(0, td); + if (o->zone_size && td_random(td) && o->open_files == 1) + o->zone_size = 0; - if (!td_new) - goto err; + /* + * Reads can do overwrites, we always need to pre-create the file + */ + if (td_read(td) || td_rw(td)) + o->overwrite = 1; - td_new->numjobs = 1; - td_new->stonewall = 0; - td_new->jobnum = numjobs; - job_add_num = numjobs - 1; + 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 (add_job(td_new, jobname, job_add_num)) - goto err; - } - return 0; -err: - put_job(td); - return -1; -} + o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); -int init_random_state(struct thread_data *td) -{ - unsigned long seeds[4]; - int fd, num_maps, blocks; + if (!o->file_size_high) + o->file_size_high = o->file_size_low; - fd = open("/dev/urandom", O_RDONLY); - if (fd == -1) { - td_verror(td, errno); - return 1; - } + if (td_read(td) && !td_rw(td)) + o->verify = 0; - if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { - td_verror(td, EIO); - close(fd); - return 1; + 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"); - close(fd); - - srand48_r(seeds[0], &td->bsrange_state); - srand48_r(seeds[1], &td->verify_state); - srand48_r(seeds[2], &td->rwmix_state); - - if (td->sequential) - return 0; - - if (repeatable) - seeds[3] = DEF_RANDSEED; + /* + * thinktime_spin must be less than thinktime + */ + if (o->thinktime_spin > o->thinktime) + o->thinktime_spin = o->thinktime; - blocks = (td->io_size + td->min_bs - 1) / td->min_bs; - num_maps = blocks / BLOCKS_PER_MAP; - td->file_map = malloc(num_maps * sizeof(long)); - td->num_maps = num_maps; - memset(td->file_map, 0, num_maps * sizeof(long)); + /* + * 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; + } - srand48_r(seeds[3], &td->random_state); - return 0; -} + /* + * 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; -static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) -{ -#ifdef FIO_HAVE_CPU_AFFINITY - unsigned int i; + if (o->nr_files > td->files_index) + o->nr_files = td->files_index; - CPU_ZERO(&cpumask); + if (o->open_files > o->nr_files || !o->open_files) + o->open_files = o->nr_files; - for (i = 0; i < sizeof(int) * 8; i++) { - if ((1 << i) & cpu) - CPU_SET(i, &cpumask); + 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; } -#endif -} -static unsigned long get_mult(char c) -{ - switch (c) { - case 'k': - case 'K': - return 1024; - case 'm': - case 'M': - return 1024 * 1024; - case 'g': - case 'G': - return 1024 * 1024 * 1024; - default: - return 1; + if (!o->timeout && o->time_based) { + log_err("fio: time_based requires a runtime/timeout setting\n"); + o->time_based = 0; } + + return 0; } /* - * convert string after '=' into decimal value, noting any size suffix + * This function leaks the buffer */ -static int str_cnv(char *p, unsigned long long *val) +static char *to_kmg(unsigned int val) { - char *str; - int len; + char *buf = malloc(32); + char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; + char *p = post; - str = strchr(p, '='); - if (!str) - return 1; - - str++; - len = strlen(str); + do { + if (val & 1023) + break; - *val = strtoul(str, NULL, 10); - if (*val == ULONG_MAX && errno == ERANGE) - return 1; + val >>= 10; + p++; + } while (*p); - *val *= get_mult(str[len - 1]); - return 0; + snprintf(buf, 31, "%u%c", val, *p); + return buf; } -static int check_strcnv(char *p, char *name, unsigned long long *val) +/* External engines are specified by "external:name.o") */ +static const char *get_engine_name(const char *str) { - if (strncmp(p, name, strlen(name) - 1)) - return 1; + char *p = strstr(str, ":"); - return str_cnv(p, val); -} - -static void strip_blank_front(char **p) -{ - char *s = *p; + if (!p) + return str; - while (isspace(*s)) - s++; + p++; + strip_blank_front(&p); + strip_blank_end(p); + return p; } -static void strip_blank_end(char *p) +static int exists_and_not_file(const char *filename) { - char *s = p + strlen(p) - 1; + struct stat sb; - while (isspace(*s) || iscntrl(*s)) - s--; + if (lstat(filename, &sb) == -1) + return 0; - *(s + 1) = '\0'; -} + if (S_ISREG(sb.st_mode)) + return 0; -typedef int (str_cb_fn)(struct thread_data *, char *); + return 1; +} -static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td) +/* + * Initialize the various random states we need (random io, block size ranges, + * read/write mix, etc). + */ +static int init_random_state(struct thread_data *td) { - char *s; - - if (strncmp(p, name, strlen(name))) - return 1; + unsigned long seeds[6]; + int fd; - s = strstr(p, name); - if (!s) + fd = open("/dev/urandom", O_RDONLY); + if (fd == -1) { + td_verror(td, errno, "open"); return 1; + } - s = strchr(s, '='); - if (!s) + if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { + td_verror(td, EIO, "read"); + close(fd); return 1; + } - s++; - strip_blank_front(&s); - return cb(td, s); -} + close(fd); -static int check_strstore(char *p, char *name, char *dest) -{ - char *s; + os_random_seed(seeds[0], &td->bsrange_state); + os_random_seed(seeds[1], &td->verify_state); + os_random_seed(seeds[2], &td->rwmix_state); - if (strncmp(p, name, strlen(name))) - return 1; + if (td->o.file_service_type == FIO_FSERVICE_RANDOM) + os_random_seed(seeds[3], &td->next_file_state); - s = strstr(p, name); - if (!s) - return 1; + os_random_seed(seeds[5], &td->file_size_state); - s = strchr(p, '='); - if (!s) - return 1; + if (!td_random(td)) + return 0; - s++; - strip_blank_front(&s); + if (td->o.rand_repeatable) + seeds[4] = FIO_RANDSEED * td->thread_number; - strcpy(dest, s); + os_random_seed(seeds[4], &td->random_state); return 0; } -static int __check_range(char *str, unsigned long *val) +/* + * 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) { - char suffix; + 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; - if (sscanf(str, "%lu%c", val, &suffix) == 2) { - *val *= get_mult(suffix); + /* + * the def_thread is just for options, it's not a real job + */ + if (td == &def_thread) return 0; - } - if (sscanf(str, "%lu", val) == 1) + /* + * if we are just dumping the output command line, don't add the job + */ + if (dump_cmdline) { + put_job(td); return 0; + } - return 1; -} - -static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) -{ - char option[128]; - char *str, *p1, *p2; + 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; + } - if (strncmp(p, name, strlen(name))) - return 1; + if (td->o.use_thread) + nr_thread++; + else + nr_process++; - strcpy(option, p); - p = option; + if (td->o.odirect) + td->io_ops->flags |= FIO_RAWIO; - str = strstr(p, name); - if (!str) - return 1; + file_alloced = 0; + if (!td->o.filename && !td->files_index) { + file_alloced = 1; - p += strlen(name); - - str = strchr(p, '='); - if (!str) - return 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); + } + } + } - /* - * 'p' now holds whatever is after the '=' sign - */ - p1 = str + 1; + if (fixup_options(td)) + goto err; - /* - * terminate p1 at the '-' sign - */ - p = strchr(p1, '-'); - if (!p) - return 1; + if (td->io_ops->flags & FIO_DISKLESSIO) { + struct fio_file *f; - p2 = p + 1; - *p = '\0'; + for_each_file(td, f, i) + f->real_file_size = -1ULL; + } - if (!__check_range(p1, s) && !__check_range(p2, e)) - return 0; + td->mutex = fio_sem_init(0); - return 1; -} + 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; -static int check_int(char *p, char *name, unsigned int *val) -{ - char *str; + if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) + && prev_group_jobs) { + prev_group_jobs = 0; + groupid++; + } - if (strncmp(p, name, strlen(name))) - return 1; + td->groupid = groupid; + prev_group_jobs++; - str = strstr(p, name); - if (!str) - return 1; + if (init_random_state(td)) + goto err; - str = strchr(p, '='); - if (!str) - return 1; + if (setup_rate(td)) + goto err; - str++; + 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); - if (sscanf(str, "%u", val) == 1) - return 0; + if (!td->o.name) + td->o.name = strdup(jobname); - return 1; -} + 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; -static int check_strset(char *p, char *name) -{ - return strncmp(p, name, strlen(name)); -} + 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]); -static int is_empty_or_comment(char *line) -{ - unsigned int i; + 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); - for (i = 0; i < strlen(line); i++) { - if (line[i] == ';') - return 1; - if (!isspace(line[i]) && !iscntrl(line[i])) - return 0; + free(c1); + free(c2); + free(c3); + free(c4); + } + } else if (job_add_num == 1) + log_info("...\n"); } - return 1; -} + /* + * 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); -static int str_rw_cb(struct thread_data *td, char *mem) -{ - 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; - } + if (!td_new) + goto err; - fprintf(stderr, "fio: data direction: read, write, randread, randwrite, rw, randrw\n"); - return 1; -} + td_new->o.numjobs = 1; + td_new->o.stonewall = 0; + td_new->o.new_group = 0; -static int str_verify_cb(struct thread_data *td, char *mem) -{ - 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 (file_alloced) { + td_new->o.filename = NULL; + td_new->files_index = 0; + td_new->files = NULL; + } - fprintf(stderr, "fio: verify types: md5, crc32\n"); - return 1; -} + job_add_num = numjobs - 1; -static int str_mem_cb(struct thread_data *td, char *mem) -{ - 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 (add_job(td_new, jobname, job_add_num)) + goto err; } - fprintf(stderr, "fio: mem type: malloc, shm, mmap\n"); - return 1; + return 0; +err: + put_job(td); + return -1; } -static int str_ioengine_cb(struct thread_data *td, char *str) +static int is_empty_or_comment(char *line) { - if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) || - !strncmp(str, "libaio", 6)) { - strcpy(td->io_engine_name, "libaio"); - td->io_engine = FIO_LIBAIO; - return 0; - } else if (!strncmp(str, "posixaio", 8)) { - strcpy(td->io_engine_name, "posixaio"); - td->io_engine = FIO_POSIXAIO; - return 0; - } else if (!strncmp(str, "sync", 4)) { - strcpy(td->io_engine_name, "sync"); - td->io_engine = FIO_SYNCIO; - return 0; - } else if (!strncmp(str, "mmap", 4)) { - strcpy(td->io_engine_name, "mmap"); - td->io_engine = FIO_MMAPIO; - return 0; - } else if (!strncmp(str, "sgio", 4)) { - strcpy(td->io_engine_name, "sgio"); - td->io_engine = FIO_SGIO; - return 0; - } else if (!strncmp(str, "splice", 6)) { - strcpy(td->io_engine_name, "splice"); - td->io_engine = FIO_SPLICEIO; - return 0; + unsigned int i; + + 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; } - fprintf(stderr, "fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice\n"); return 1; } /* * This is our [ini] type file parser. */ -int parse_jobs_ini(char *file) +static int parse_jobs_ini(char *file, int stonewall_flag) { - unsigned int prioclass, prio, cpu, global, il; - unsigned long long ull; - unsigned long ul1, ul2; + unsigned int global; struct thread_data *td; - char *string, *name, *tmpbuf; + char *string, *name; fpos_t off; FILE *f; char *p; - int ret = 0; + int ret = 0, stonewall; + int first_sect = 1; f = fopen(file, "r"); if (!f) { @@ -672,292 +565,88 @@ int parse_jobs_ini(char *file) string = malloc(4096); name = malloc(256); - tmpbuf = malloc(4096); + memset(name, 0, 256); - while ((p = fgets(string, 4096, f)) != NULL) { - if (ret) + stonewall = stonewall_flag; + 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) + if (sscanf(p, "[%255s]", name) != 1) { + log_err("fio: option <%s> outside of job section\n", p); continue; + } 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; break; } + /* + * Seperate multiple job files by a stonewall + */ + if (!global && stonewall) { + td->o.stonewall = stonewall; + stonewall = 0; + } + fgetpos(f, &off); while ((p = fgets(string, 4096, f)) != NULL) { if (is_empty_or_comment(p)) continue; - if (strstr(p, "[")) - break; + strip_blank_front(&p); - strip_blank_end(p); - if (!check_int(p, "prio", &prio)) { -#ifndef FIO_HAVE_IOPRIO - fprintf(stderr, "io priorities not available\n"); - ret = 1; + if (p[0] == '[') break; -#endif - td->ioprio |= prio; - fgetpos(f, &off); - continue; - } - if (!check_int(p, "prioclass", &prioclass)) { -#ifndef FIO_HAVE_IOPRIO - fprintf(stderr, "io priorities not available\n"); - ret = 1; - break; -#endif - td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT; - fgetpos(f, &off); - continue; - } - if (!check_int(p, "direct", &td->odirect)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "rate", &td->rate)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "ratemin", &td->ratemin)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "ratecycle", &td->ratecycle)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "thinktime", &td->thinktime)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "cpumask", &cpu)) { -#ifndef FIO_HAVE_CPU_AFFINITY - fprintf(stderr, "cpu affinity not available\n"); - ret = 1; - break; -#endif - fill_cpu_mask(td->cpumask, cpu); - fgetpos(f, &off); - continue; - } - if (!check_int(p, "fsync", &td->fsync_blocks)) { - fgetpos(f, &off); - td->end_fsync = 1; - continue; - } - if (!check_int(p, "startdelay", &td->start_delay)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "timeout", &td->timeout)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "invalidate",&td->invalidate_cache)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "iodepth", &td->iodepth)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "sync", &td->sync_io)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "create_serialize", &td->create_serialize)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "create_fsync", &td->create_fsync)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "end_fsync", &td->end_fsync)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "loops", &td->loops)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "numjobs", &td->numjobs)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "overwrite", &td->overwrite)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) { - fgetpos(f, &off); - continue; - } - if (!check_int(p, "rwmixread", &il)) { - if (il > 100) - il = 100; - td->rwmixread = il; - fgetpos(f, &off); - continue; - } - if (!check_int(p, "rwmixwrite", &il)) { - if (il > 100) - il = 100; - td->rwmixread = 100 - il; - fgetpos(f, &off); - continue; - } - if (!check_int(p, "nice", &td->nice)) { - fgetpos(f, &off); - continue; - } - if (!check_range(p, "bsrange", &ul1, &ul2)) { - if (ul1 > ul2) { - td->max_bs = ul1; - td->min_bs = ul2; - } else { - td->max_bs = ul2; - td->min_bs = ul1; - } - fgetpos(f, &off); - continue; - } - if (!check_strcnv(p, "bs", &ull)) { - td->bs = ull; - fgetpos(f, &off); - continue; - } - if (!check_strcnv(p, "size", &td->file_size)) { - fgetpos(f, &off); - continue; - } - if (!check_strcnv(p, "offset", &td->file_offset)) { - fgetpos(f, &off); - continue; - } - if (!check_strcnv(p, "zonesize", &td->zone_size)) { - fgetpos(f, &off); - continue; - } - if (!check_strcnv(p, "zoneskip", &td->zone_skip)) { - fgetpos(f, &off); - continue; - } - if (!check_strcnv(p, "lockmem", &mlock_size)) { - fgetpos(f, &off); - continue; - } - if (!check_strstore(p, "directory", tmpbuf)) { - td->directory = strdup(tmpbuf); - fgetpos(f, &off); - continue; - } - if (!check_strstore(p, "name", tmpbuf)) { - snprintf(td->name, sizeof(td->name)-1, "%s%d", tmpbuf, td->thread_number); - fgetpos(f, &off); - continue; - } - if (!check_str(p, "mem", str_mem_cb, td)) { - fgetpos(f, &off); - continue; - } - if (!check_str(p, "verify", str_verify_cb, td)) { - fgetpos(f, &off); - continue; - } - if (!check_str(p, "rw", str_rw_cb, td)) { - fgetpos(f, &off); - continue; - } - if (!check_str(p, "ioengine", str_ioengine_cb, td)) { - fgetpos(f, &off); - continue; - } - if (!check_strset(p, "create")) { - td->create_file = 1; - fgetpos(f, &off); - continue; - } - if (!check_strset(p, "exitall")) { - exitall_on_terminate = 1; - fgetpos(f, &off); - continue; - } - if (!check_strset(p, "stonewall")) { - td->stonewall = 1; - fgetpos(f, &off); - continue; - } - if (!check_strset(p, "thread")) { - td->use_thread = 1; - fgetpos(f, &off); - continue; - } - if (!check_strstore(p, "iolog", tmpbuf)) { - td->iolog_file = strdup(tmpbuf); - td->read_iolog = 1; - td->write_iolog = 0; - fgetpos(f, &off); - continue; - } - if (!td->read_iolog && - !check_strstore(p, "write_iolog", tmpbuf)) { - td->iolog_file = strdup(tmpbuf); - td->write_iolog = 1; - fgetpos(f, &off); - continue; - } - if (!check_strstore(p, "exec_prerun", tmpbuf)) { - td->exec_prerun = strdup(tmpbuf); - fgetpos(f, &off); - continue; - } - if (!check_strstore(p, "exec_postrun", tmpbuf)) { - td->exec_postrun = strdup(tmpbuf); - fgetpos(f, &off); - continue; - } - if (!check_strstore(p, "ioscheduler", tmpbuf)) { - td->ioscheduler = strdup(tmpbuf); - fgetpos(f, &off); - continue; - } + + strip_blank_end(p); + + fgetpos(f, &off); /* * Don't break here, continue parsing options so we * dump all the bad ones. Makes trial/error fixups * easier on the user. */ - printf("Client%d: bad option %s\n",td->thread_number,p); - ret = 1; + 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; } @@ -966,111 +655,18 @@ 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.io_engine = DEF_IO_ENGINE; - strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME); - def_thread.odirect = DEF_ODIRECT; - def_thread.ratecycle = DEF_RATE_CYCLE; - def_thread.sequential = DEF_SEQUENTIAL; - def_thread.timeout = DEF_TIMEOUT; - def_thread.create_file = DEF_CREATE; - 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; -#ifdef FIO_HAVE_DISK_UTIL - def_thread.do_disk_util = 1; -#endif - - return 0; -} - -static void usage(char *name) -{ - printf("%s\n", fio_version_string); - printf("\t-s IO is sequential\n"); - printf("\t-b Block size in KiB for each IO\n"); - printf("\t-t Runtime in seconds\n"); - printf("\t-R Exit all threads on failure to meet rate goal\n"); - printf("\t-o Use O_DIRECT\n"); - printf("\t-l Generate per-job latency logs\n"); - printf("\t-w Generate per-job bandwidth logs\n"); - printf("\t-f Job file (Required)\n"); - printf("\t-v Print version info and exit\n"); -} + fio_fill_default_options(&def_thread); -static void parse_cmd_line(int argc, char *argv[]) -{ - int c; + def_thread.o.timeout = def_timeout; + def_thread.o.write_bw_log = write_bw_log; + def_thread.o.write_lat_log = write_lat_log; - while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvh")) != EOF) { - switch (c) { - case 's': - def_thread.sequential = !!atoi(optarg); - break; - case 'b': - def_thread.bs = atoi(optarg); - def_thread.bs <<= 10; - if (!def_thread.bs) { - printf("bad block size\n"); - def_thread.bs = DEF_BS; - } - break; - case 't': - def_thread.timeout = atoi(optarg); - break; - case 'r': - repeatable = !!atoi(optarg); - break; - case 'R': - rate_quit = !!atoi(optarg); - break; - case 'o': - def_thread.odirect = !!atoi(optarg); - break; - case 'f': - ini_file = strdup(optarg); - break; - case 'l': - write_lat_log = 1; - break; - case 'w': - write_bw_log = 1; - break; - case 'h': - usage(argv[0]); - exit(0); - case 'v': - printf("%s\n", fio_version_string); - exit(0); - } - } - - if (!ini_file && argc > 1 && argv[argc - 1][0] != '-') - ini_file = strdup(argv[argc - 1]); + return 0; } static void free_shm(void) @@ -1078,12 +674,17 @@ static void free_shm(void) struct shmid_ds sbuf; if (threads) { - shmdt(threads); + shmdt((void *) threads); threads = NULL; shmctl(shm_id, IPC_RMID, &sbuf); } } +/* + * The thread area is shared between the main process and the job + * threads/processes. So setup a shared memory segment that will hold + * all the job info. + */ static int setup_thread_area(void) { /* @@ -1091,9 +692,9 @@ static int setup_thread_area(void) * we get a failure that looks like too large a shm segment */ do { - int s = max_jobs * sizeof(struct thread_data); + size_t size = max_jobs * sizeof(struct thread_data); - shm_id = shmget(0, s, IPC_CREAT | 0600); + shm_id = shmget(0, size, IPC_CREAT | 0600); if (shm_id != -1) break; if (errno != EINVAL) { @@ -1117,23 +718,147 @@ 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; - parse_cmd_line(argc, argv); + job_files = parse_cmd_line(argc, argv); - if (!ini_file) { - printf("Need job file\n"); - usage(argv[0]); - return 1; + for (i = 0; i < job_files; i++) { + if (fill_def_thread()) + return 1; + if (parse_jobs_ini(ini_file[i], i)) + return 1; + free(ini_file[i]); } - if (parse_jobs_ini(ini_file)) + 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; }