X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=64023458d03250e87d4064aef02f21292f149028;hp=b70ccaf8b7a68d13bffc0967490963ac775a7bf2;hb=79713149b1d30ad4dab560621c86b24a1dcaf348;hpb=214e1ecae844a32bf8f66d19132f4948d922dcee diff --git a/init.c b/init.c index b70ccaf8..64023458 100644 --- a/init.c +++ b/init.c @@ -17,29 +17,34 @@ #include "fio.h" #include "parse.h" -static char fio_version_string[] = "fio 1.14a"; +static char fio_version_string[] = "fio 1.18"; #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; +int eta_print; unsigned long long mlock_size = 0; FILE *f_out = NULL; FILE *f_err = NULL; int write_bw_log = 0; +int read_only = 0; static int def_timeout = 0; static int write_lat_log = 0; static int prev_group_jobs; +unsigned long fio_debug = 0; + /* * Command line options. These will contain the above, plus a few * extra that only pertain to fio itself and not jobs. @@ -85,6 +90,26 @@ static struct option long_options[FIO_NR_OPTIONS] = { .has_arg = optional_argument, .val = 'c', }, + { + .name = "showcmd", + .has_arg = no_argument, + .val = 's', + }, + { + .name = "readonly", + .has_arg = no_argument, + .val = 'r', + }, + { + .name = "eta", + .has_arg = required_argument, + .val = 'e', + }, + { + .name = "debug", + .has_arg = required_argument, + .val = 'd', + }, { .name = NULL, }, @@ -115,6 +140,9 @@ static struct thread_data *get_new_job(int global, struct thread_data *parent) td = &threads[thread_number++]; *td = *parent; + dup_files(td, parent); + options_mem_dupe(td); + td->thread_number = thread_number; return td; } @@ -131,96 +159,148 @@ static void put_job(struct thread_data *td) thread_number--; } +static int setup_rate(struct thread_data *td) +{ + 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->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; +} + /* * Lazy way of fixing up options that depend on each other. We could also * define option callback handlers, but this is easier. */ -static void fixup_options(struct thread_data *td) +static int fixup_options(struct thread_data *td) { - if (!td->rwmixread && td->rwmixwrite) - td->rwmixread = 100 - td->rwmixwrite; + struct thread_options *o = &td->o; - if (td->write_iolog_file && td->read_iolog_file) { - log_err("fio: read iolog overrides write_iolog\n"); - free(td->write_iolog_file); - td->write_iolog_file = NULL; + if (read_only && td_write(td)) { + log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name); + return 1; } + + if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) + o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; - if (td->io_ops->flags & FIO_SYNCIO) - td->iodepth = 1; - else { - if (!td->iodepth) - td->iodepth = td->open_files; + 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; } /* * only really works for sequential io for now, and with 1 file */ - if (td->zone_size && td_random(td) && td->open_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; + o->overwrite = 1; - if (!td->min_bs[DDIR_READ]) - td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; - if (!td->max_bs[DDIR_READ]) - td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; - if (!td->min_bs[DDIR_WRITE]) - td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; - if (!td->max_bs[DDIR_WRITE]) - td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; + 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]; - td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); + o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); - if (!td->file_size_high) - td->file_size_high = td->file_size_low; + if (!o->file_size_high) + o->file_size_high = o->file_size_low; - if (td_read(td) && !td_rw(td)) - td->verify = 0; - - if (td->norandommap && td->verify != VERIFY_NONE) { + if (o->norandommap && o->verify != VERIFY_NONE) { log_err("fio: norandommap given, verify disabled\n"); - td->verify = VERIFY_NONE; + o->verify = VERIFY_NONE; } - if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) + if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) log_err("fio: bs_unaligned may not work with raw io\n"); /* * thinktime_spin must be less than thinktime */ - if (td->thinktime_spin > td->thinktime) - td->thinktime_spin = td->thinktime; + if (o->thinktime_spin > o->thinktime) + o->thinktime_spin = o->thinktime; /* * The low water mark cannot be bigger than the iodepth */ - if (td->iodepth_low > td->iodepth || !td->iodepth_low) { + 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)) - td->iodepth_low = 1; + o->iodepth_low = 1; else - td->iodepth_low = td->iodepth; + o->iodepth_low = o->iodepth; } /* * If batch number isn't set, default to the same as iodepth */ - if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) - td->iodepth_batch = td->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 (td->nr_files > td->files_index) - td->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; + } - if (td->open_files > td->nr_files || !td->open_files) - td->open_files = td->nr_files; + if (!o->timeout && o->time_based) { + log_err("fio: time_based requires a runtime/timeout setting\n"); + o->time_based = 0; + } + + if (o->fill_device && !o->size) + o->size = ULONG_LONG_MAX; + + if (td_rw(td) && td->o.verify != VERIFY_NONE) + log_info("fio: mixed read/write workload with verify. May not " + "work as expected, unless you pre-populated the file\n"); + + return 0; } /* @@ -278,9 +358,7 @@ static int exists_and_not_file(const char *filename) static int init_random_state(struct thread_data *td) { unsigned long seeds[6]; - int fd, num_maps, blocks; - struct fio_file *f; - unsigned int i; + int fd; fd = open("/dev/urandom", O_RDONLY); if (fd == -1) { @@ -300,7 +378,7 @@ static 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->file_service_type == FIO_FSERVICE_RANDOM) + if (td->o.file_service_type == FIO_FSERVICE_RANDOM) os_random_seed(seeds[3], &td->next_file_state); os_random_seed(seeds[5], &td->file_size_state); @@ -308,28 +386,13 @@ static int init_random_state(struct thread_data *td) if (!td_random(td)) return 0; - if (td->rand_repeatable) + if (td->o.rand_repeatable) seeds[4] = FIO_RANDSEED * td->thread_number; - if (!td->norandommap) { - for_each_file(td, f, i) { - blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; - num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; - f->file_map = malloc(num_maps * sizeof(long)); - if (!f->file_map) { - log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); - return 1; - } - f->num_maps = num_maps; - memset(f->file_map, 0, num_maps * sizeof(long)); - } - } - os_random_seed(seeds[4], &td->random_state); 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 @@ -340,7 +403,6 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, "randread", "randwrite", "randrw" }; unsigned int i; - struct fio_file *f; const char *engine; char fname[PATH_MAX]; int numjobs, file_alloced; @@ -351,51 +413,62 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) if (td == &def_thread) return 0; - engine = get_engine_name(td->ioengine); + /* + * if we are just dumping the output command line, don't add the job + */ + if (dump_cmdline) { + put_job(td); + return 0; + } + + 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); - return 1; + goto err; } - if (td->use_thread) + if (td->o.use_thread) nr_thread++; else nr_process++; - if (td->odirect) + if (td->o.odirect) td->io_ops->flags |= FIO_RAWIO; file_alloced = 0; - if (!td->filename && !td->files_index) { + if (!td->o.filename && !td->files_index) { file_alloced = 1; - if (td->nr_files == 1 && exists_and_not_file(jobname)) + if (td->o.nr_files == 1 && exists_and_not_file(jobname)) add_file(td, jobname); else { - for (i = 0; i < td->nr_files; i++) { + for (i = 0; i < td->o.nr_files; i++) { sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); add_file(td, fname); } } } - fixup_options(td); + if (fixup_options(td)) + goto err; - for_each_file(td, f, i) { - if (td->directory && f->filetype == FIO_TYPE_FILE) { - sprintf(fname, "%s/%s", td->directory, f->file_name); - f->file_name = strdup(fname); - } + if (td->io_ops->flags & FIO_DISKLESSIO) { + struct fio_file *f; + + for_each_file(td, f, i) + f->real_file_size = -1ULL; } - + td->mutex = fio_sem_init(0); 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 ((td->stonewall || td->numjobs > 1) && prev_group_jobs) { + if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) + && prev_group_jobs) { prev_group_jobs = 0; groupid++; } @@ -409,29 +482,29 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) if (setup_rate(td)) goto err; - if (td->write_lat_log) { + if (td->o.write_lat_log) { setup_log(&td->ts.slat_log); setup_log(&td->ts.clat_log); } - if (td->write_bw_log) + if (td->o.write_bw_log) setup_log(&td->ts.bw_log); - if (!td->name) - td->name = strdup(jobname); + if (!td->o.name) + td->o.name = strdup(jobname); 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->name, td->cpuload, td->cpucycle); + 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->min_bs[DDIR_READ]); - c2 = to_kmg(td->max_bs[DDIR_READ]); - c3 = to_kmg(td->min_bs[DDIR_WRITE]); - c4 = to_kmg(td->max_bs[DDIR_WRITE]); + 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->name, td->groupid, ddir_str[td->td_ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth); + 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); @@ -446,18 +519,19 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) * recurse add identical jobs, clear numjobs and stonewall options * as they don't apply to sub-jobs */ - numjobs = td->numjobs; + numjobs = td->o.numjobs; while (--numjobs) { struct thread_data *td_new = get_new_job(0, td); if (!td_new) goto err; - td_new->numjobs = 1; - td_new->stonewall = 0; + td_new->o.numjobs = 1; + td_new->o.stonewall = 0; + td_new->o.new_group = 0; if (file_alloced) { - td_new->filename = NULL; + td_new->o.filename = NULL; td_new->files_index = 0; td_new->files = NULL; } @@ -468,11 +542,6 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) goto err; } - if (td->numjobs > 1) { - groupid++; - prev_group_jobs = 0; - } - return 0; err: put_job(td); @@ -503,35 +572,65 @@ static int parse_jobs_ini(char *file, int stonewall_flag) unsigned int global; struct thread_data *td; char *string, *name; - fpos_t off; FILE *f; char *p; int ret = 0, stonewall; + int first_sect = 1; + int skip_fgets = 0; + + if (!strcmp(file, "-")) + f = stdin; + else + f = fopen(file, "r"); - f = fopen(file, "r"); if (!f) { perror("fopen job file"); return 1; } string = malloc(4096); - name = malloc(256); - memset(name, 0, 256); + + /* + * it's really 256 + small bit, 280 should suffice + */ + name = malloc(280); + memset(name, 0, 280); stonewall = stonewall_flag; do { - p = fgets(string, 4095, f); - if (!p) - break; + /* + * if skip_fgets is set, we already have loaded a line we + * haven't handled. + */ + if (!skip_fgets) { + p = fgets(string, 4095, f); + if (!p) + break; + } + + skip_fgets = 0; + strip_blank_front(&p); + strip_blank_end(p); + if (is_empty_or_comment(p)) continue; - if (sscanf(p, "[%255s]", 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; @@ -542,44 +641,52 @@ static 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; } - fgetpos(f, &off); while ((p = fgets(string, 4096, f)) != NULL) { if (is_empty_or_comment(p)) continue; strip_blank_front(&p); - if (p[0] == '[') + /* + * new section, break out and make sure we don't + * fgets() a new line at the top. + */ + if (p[0] == '[') { + skip_fgets = 1; break; + } 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. */ ret |= fio_option_parse(td, p); + if (!ret && dump_cmdline) + log_info("--%s ", p); } - if (!ret) { - fsetpos(f, &off); + if (!ret) ret = add_job(td, name, 0); - } else { + else { log_err("fio: job %s dropped\n", name); put_job(td); } } while (!ret); + if (dump_cmdline) + log_info("\n"); + free(string); free(name); - fclose(f); + if (f != stdin) + fclose(f); return ret; } @@ -587,23 +694,16 @@ 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 default options */ fio_fill_default_options(&def_thread); - def_thread.timeout = def_timeout; - 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 + 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 0; } @@ -653,13 +753,16 @@ static int setup_thread_area(void) return 1; } + memset(threads, 0, max_jobs * sizeof(struct thread_data)); atexit(free_shm); return 0; } -static void usage(void) +static void usage(const char *name) { printf("%s\n", fio_version_string); + printf("%s [options] [job options] \n", name); + printf("\t--debug=options\tEnable debug logging\n"); 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"); @@ -668,7 +771,67 @@ static void usage(void) 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"); + printf("\t--eta=when\tWhen ETA estimate should be printed\n"); + printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); +} + +#ifdef FIO_INC_DEBUG +struct debug_level debug_levels[] = { + { .name = "process", .shift = FD_PROCESS, }, + { .name = "file", .shift = FD_FILE, }, + { .name = "io", .shift = FD_IO, }, + { .name = "mem", .shift = FD_MEM, }, + { .name = "blktrace", .shift = FD_BLKTRACE }, + { .name = "verify", .shift = FD_VERIFY }, + { }, +}; + +static void set_debug(const char *string) +{ + struct debug_level *dl; + char *p = (char *) string; + char *opt; + int i; + + if (!strcmp(string, "?") || !strcmp(string, "help")) { + int i; + + log_info("fio: dumping debug options:"); + for (i = 0; debug_levels[i].name; i++) { + dl = &debug_levels[i]; + log_info("%s,", dl->name); + } + log_info("all\n"); + return; + } else if (!strcmp(string, "all")) { + fio_debug = ~0UL; + return; + } + + while ((opt = strsep(&p, ",")) != NULL) { + int found = 0; + + for (i = 0; debug_levels[i].name; i++) { + dl = &debug_levels[i]; + if (!strncmp(opt, dl->name, strlen(opt))) { + log_info("fio: set debug option %s\n", opt); + found = 1; + fio_debug |= (1UL << dl->shift); + break; + } + } + + if (!found) + log_err("fio: debug mask %s not found\n", opt); + } } +#else +static void set_debug(const char *string) +{ + log_err("fio: debug tracing not included in build\n"); +} +#endif static int parse_cmd_line(int argc, char *argv[]) { @@ -698,19 +861,34 @@ static int parse_cmd_line(int argc, char *argv[]) terse_output = 1; break; case 'h': - usage(); + usage(argv[0]); exit(0); case 'c': exit(fio_show_option_help(optarg)); + case 's': + dump_cmdline = 1; + break; + case 'r': + read_only = 1; + break; case 'v': printf("%s\n", fio_version_string); exit(0); + case 'e': + if (!strcmp("always", optarg)) + eta_print = FIO_ETA_ALWAYS; + else if (!strcmp("never", optarg)) + eta_print = FIO_ETA_NEVER; + break; + case 'd': + set_debug(optarg); + break; 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->name ?: "fio", 0); + ret = add_job(td, td->o.name ?: "fio", 0); if (ret) { put_job(td); return 0; @@ -718,7 +896,11 @@ static int parse_cmd_line(int argc, char *argv[]) td = NULL; } if (!td) { - int global = !strncmp(val, "global", 6); + int global = 0; + + if (strncmp(opt, "name", 4) || + !strncmp(val, "global", 6)) + global = 1; td = get_new_job(global, &def_thread); if (!td) @@ -739,7 +921,7 @@ static int parse_cmd_line(int argc, char *argv[]) if (dont_add_job) put_job(td); else { - ret = add_job(td, td->name ?: "fio", 0); + ret = add_job(td, td->o.name ?: "fio", 0); if (ret) put_job(td); } @@ -755,7 +937,6 @@ static int parse_cmd_line(int argc, char *argv[]) return ini_idx; } - int parse_options(int argc, char *argv[]) { int job_files, i; @@ -781,9 +962,14 @@ 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"); + usage(argv[0]); return 1; }