X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=6ae78be1ed3e59dca7e5acfc78ada8e88e4c1bc1;hp=5de6f4f6df7b7e13d33733d456224d86658f7537;hb=d2a1ed1a110d9c6f76a4a11974652c0bb9307b68;hpb=0d7e3c94c35332535fc2c723d9a0682c3a4aafad diff --git a/init.c b/init.c index 5de6f4f6..6ae78be1 100644 --- a/init.c +++ b/init.c @@ -18,8 +18,9 @@ #include "parse.h" #include "smalloc.h" #include "filehash.h" +#include "verify.h" -static char fio_version_string[] = "fio 1.22-rc3"; +static char fio_version_string[] = "fio 1.36-rc2"; #define FIO_RANDSEED (0xb1899bedUL) @@ -27,7 +28,7 @@ static char **ini_file; static int max_jobs = MAX_JOBS; static int dump_cmdline; -struct thread_data def_thread; +static struct thread_data def_thread; struct thread_data *threads = NULL; int exitall_on_terminate = 0; @@ -125,11 +126,36 @@ static struct option l_opts[FIO_NR_OPTIONS] = { .has_arg = required_argument, .val = 'a', }, + { + .name = "profile", + .has_arg = required_argument, + .val = 'p', + }, { .name = NULL, }, }; +static const char *tiobench_opts[] = { + "buffered=0", "size=4*1024*$mb_memory", "bs=4k", "timeout=600", + "numjobs=4", "group_reporting", "thread", "overwrite=1", + "filename=.fio.tio.1:.fio.tio.2:.fio.tio.3:.fio.tio.4", + "name=seqwrite", "rw=write", "end_fsync=1", + "name=randwrite", "stonewall", "rw=randwrite", "end_fsync=1", + "name=seqread", "stonewall", "rw=read", + "name=randread", "stonewall", "rw=randread", NULL, +}; + +static const char **fio_prof_strings[PROFILE_END] = { + NULL, + tiobench_opts, +}; + +static const char *profiles[PROFILE_END] = { + "none", + "tiobench", +}; + FILE *get_f_out() { return f_out; @@ -155,6 +181,8 @@ static struct thread_data *get_new_job(int global, struct thread_data *parent) td = &threads[thread_number++]; *td = *parent; + td->o.uid = td->o.gid = -1U; + dup_files(td, parent); options_mem_dupe(td); @@ -174,38 +202,47 @@ static void put_job(struct thread_data *td) thread_number--; } -static int setup_rate(struct thread_data *td) +static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) { - unsigned long nr_reads_per_msec; + unsigned int bs = td->o.min_bs[ddir]; 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]; + unsigned long ios_per_msec; - if (td->o.rate) { - rate = td->o.rate; - nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; + if (td->o.rate[ddir]) { + rate = td->o.rate[ddir]; + ios_per_msec = (rate * 1000LL) / bs; } else - nr_reads_per_msec = td->o.rate_iops * 1000UL; + ios_per_msec = td->o.rate_iops[ddir] * 1000UL; - if (!nr_reads_per_msec) { + if (!ios_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; + td->rate_usec_cycle[ddir] = 1000000000ULL / ios_per_msec; + td->rate_pending_usleep[ddir] = 0; return 0; } +static int setup_rate(struct thread_data *td) +{ + int ret = 0; + + if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) + ret = __setup_rate(td, DDIR_READ); + if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) + ret |= __setup_rate(td, DDIR_WRITE); + + return ret; +} + +static int fixed_block_size(struct thread_options *o) +{ + return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && + o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && + o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; +} + /* * Lazy way of fixing up options that depend on each other. We could also * define option callback handlers, but this is easier. @@ -214,11 +251,14 @@ static int fixup_options(struct thread_data *td) { struct thread_options *o = &td->o; - 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; +#ifndef FIO_HAVE_PSHARED_MUTEX + if (!td->o.use_thread) { + log_info("fio: this platform does not support process shared" + " mutexes, forcing use of threads. Use the 'thread'" + " option to get rid of this warning.\n"); + td->o.use_thread = 1; } +#endif if (o->write_iolog_file && o->read_iolog_file) { log_err("fio: read iolog overrides write_iolog\n"); @@ -249,11 +289,28 @@ static int fixup_options(struct thread_data *td) o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); + /* + * For random IO, allow blockalign offset other than min_bs. + */ + if (!o->ba[DDIR_READ] || !td_random(td)) + o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; + if (!o->ba[DDIR_WRITE] || !td_random(td)) + o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; + + if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || + o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && + !td->o.norandommap) { + log_err("fio: Any use of blockalign= turns off randommap\n"); + td->o.norandommap = 1; + } + if (!o->file_size_high) o->file_size_high = o->file_size_low; - if (o->norandommap && o->verify != VERIFY_NONE) { - log_err("fio: norandommap given, verify disabled\n"); + if (o->norandommap && o->verify != VERIFY_NONE + && !fixed_block_size(o)) { + log_err("fio: norandommap given for variable block sizes, " + "verify disabled\n"); o->verify = VERIFY_NONE; } if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) @@ -292,11 +349,15 @@ static int fixup_options(struct thread_data *td) 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)) { + if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| + ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + + o->rate_iops_min[1]))) { 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)) { + if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || + (o->rate_iops[0] < o->rate_iops_min[0]) || + (o->rate_iops[1] < o->rate_iops_min[1])) { log_err("fio: minimum rate exceeds rate\n"); return 1; } @@ -316,6 +377,13 @@ static int fixup_options(struct thread_data *td) if (td->o.verify != VERIFY_NONE) td->o.refill_buffers = 1; + if (td->o.pre_read) { + td->o.invalidate_cache = 0; + if (td->io_ops->flags & FIO_PIPEIO) + log_info("fio: cannot pre-read files with an IO engine" + " that isn't seekable. Pre-read disabled.\n"); + } + return 0; } @@ -367,13 +435,32 @@ static int exists_and_not_file(const char *filename) return 1; } +void td_fill_rand_seeds(struct thread_data *td) +{ + os_random_seed(td->rand_seeds[0], &td->bsrange_state); + os_random_seed(td->rand_seeds[1], &td->verify_state); + os_random_seed(td->rand_seeds[2], &td->rwmix_state); + + if (td->o.file_service_type == FIO_FSERVICE_RANDOM) + os_random_seed(td->rand_seeds[3], &td->next_file_state); + + os_random_seed(td->rand_seeds[5], &td->file_size_state); + + if (!td_random(td)) + return; + + if (td->o.rand_repeatable) + td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; + + os_random_seed(td->rand_seeds[4], &td->random_state); +} + /* * 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) { - unsigned long seeds[6]; int fd; fd = open("/dev/urandom", O_RDONLY); @@ -382,30 +469,15 @@ static int init_random_state(struct thread_data *td) return 1; } - if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { + if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < + (int) sizeof(td->rand_seeds)) { td_verror(td, EIO, "read"); close(fd); return 1; } close(fd); - - 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 (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); - - if (!td_random(td)) - return 0; - - if (td->o.rand_repeatable) - seeds[4] = FIO_RANDSEED * td->thread_number; - - os_random_seed(seeds[4], &td->random_state); + td_fill_rand_seeds(td); return 0; } @@ -484,8 +556,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) 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->o.stonewall || td->o.numjobs > 1 || td->o.new_group) - && prev_group_jobs) { + if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { prev_group_jobs = 0; groupid++; } @@ -559,6 +630,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) if (file_alloced) { td_new->o.filename = NULL; td_new->files_index = 0; + td_new->files_size = 0; td_new->files = NULL; } @@ -581,7 +653,7 @@ static int skip_this_section(const char *name) if (!strncmp(name, "global", 6)) return 0; - return strncmp(job_section, name, strlen(job_section)); + return strcmp(job_section, name); } static int is_empty_or_comment(char *line) @@ -864,6 +936,7 @@ static void usage(const char *name) printf("\t--section=name\tOnly run specified section in job file\n"); printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" " (def 1024)\n"); + printf("\nFio was written by Jens Axboe \n"); } #ifdef FIO_INC_DEBUG @@ -878,6 +951,7 @@ struct debug_level debug_levels[] = { { .name = "parse", .shift = FD_PARSE }, { .name = "diskutil", .shift = FD_DISKUTIL }, { .name = "job", .shift = FD_JOB }, + { .name = "mutex", .shift = FD_MUTEX }, { .name = NULL, }, }; @@ -945,6 +1019,57 @@ static int set_debug(const char *string) } #endif +static int load_profile(const char *profile) +{ + struct thread_data *td, *td_parent; + const char **o; + int i, in_global = 1; + char jobname[32]; + + dprint(FD_PARSE, "loading profile %s\n", profile); + + for (i = 0; i < PROFILE_END; i++) { + if (!strcmp(profile, profiles[i])) + break; + } + + if (i == PROFILE_END) { + log_err("fio: unknown profile %s\n", profile); + return 1; + } + + o = fio_prof_strings[i]; + if (!o) + return 0; + + i = 0; + td_parent = td = NULL; + while (o[i]) { + if (!strncmp(o[i], "name", 4)) { + in_global = 0; + if (td) + add_job(td, jobname, 0); + td = NULL; + sprintf(jobname, "%s", o[i] + 5); + } + if (in_global && !td_parent) + td_parent = get_new_job(1, &def_thread); + else if (!in_global && !td) { + if (!td_parent) + td_parent = &def_thread; + td = get_new_job(0, td_parent); + } + if (in_global) + fio_options_parse(td_parent, (char **) &o[i], 1); + else + fio_options_parse(td, (char **) &o[i], 1); + i++; + } + if (td) + add_job(td, jobname, 0); + return 0; +} + static int parse_cmd_line(int argc, char *argv[]) { struct thread_data *td = NULL; @@ -1011,6 +1136,10 @@ static int parse_cmd_line(int argc, char *argv[]) free(job_section); job_section = strdup(optarg); break; + case 'p': + if (load_profile(optarg)) + do_exit++; + break; case FIO_GETOPT_JOB: { const char *opt = l_opts[lidx].name; char *val = optarg; @@ -1099,10 +1228,16 @@ int parse_options(int argc, char *argv[]) if (dump_cmdline) return 0; - log_err("No jobs defined(s)\n"); + log_err("No jobs defined(s)\n\n"); usage(argv[0]); return 1; } + if (def_thread.o.gtod_offload) { + fio_gtod_init(); + fio_gtod_offload = 1; + fio_gtod_cpu = def_thread.o.gtod_cpu; + } + return 0; }