X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=7895e3257c795b1e25b249f94e8f4d550e444992;hp=00eb592bef7fadddc1314a77658b26c2637475de;hb=refs%2Ftags%2Ffio-1.27.3;hpb=5921e80c5dfc9f96d2f21da6ae58f2b5d3a0b373 diff --git a/init.c b/init.c index 00eb592b..7895e325 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 1.21-rc3"; +static char fio_version_string[] = "fio 1.27.3"; #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; @@ -174,38 +175,47 @@ 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. @@ -214,6 +224,23 @@ static int fixup_options(struct thread_data *td) { struct thread_options *o = &td->o; +#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 + +#ifndef FIO_HAVE_CPU_AFFINITY + if (td->o.gtod_cpu) { + log_err("fio: platform must support CPU affinity for" + "gettimeofday() offloading\n"); + return 1; + } +#endif + 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); @@ -249,11 +276,28 @@ 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 +336,15 @@ 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 +364,9 @@ 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; + return 0; } @@ -367,13 +418,32 @@ 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 +452,15 @@ 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; } @@ -559,6 +614,7 @@ 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 +637,7 @@ 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) @@ -614,6 +670,8 @@ static int parse_jobs_ini(char *file, int stonewall_flag) int first_sect = 1; int skip_fgets = 0; int inside_skip = 0; + char **opts; + int i, alloc_opts, num_opts; if (!strcmp(file, "-")) f = stdin; @@ -633,6 +691,10 @@ static int parse_jobs_ini(char *file, int stonewall_flag) name = malloc(280); memset(name, 0, 280); + alloc_opts = 8; + opts = malloc(sizeof(char *) * alloc_opts); + num_opts = 0; + stonewall = stonewall_flag; do { /* @@ -691,6 +753,9 @@ static int parse_jobs_ini(char *file, int stonewall_flag) stonewall = 0; } + num_opts = 0; + memset(opts, 0, alloc_opts * sizeof(char *)); + while ((p = fgets(string, 4096, f)) != NULL) { if (is_empty_or_comment(p)) continue; @@ -708,29 +773,42 @@ static int parse_jobs_ini(char *file, int stonewall_flag) strip_blank_end(p); - /* - * 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 (num_opts == alloc_opts) { + alloc_opts <<= 1; + opts = realloc(opts, + alloc_opts * sizeof(char *)); + } + + opts[num_opts] = strdup(p); + num_opts++; } - if (!ret) + ret = fio_options_parse(td, opts, num_opts); + if (!ret) { + if (dump_cmdline) + for (i = 0; i < num_opts; i++) + log_info("--%s ", opts[i]); + ret = add_job(td, name, 0); - else { + } else { log_err("fio: job %s dropped\n", name); put_job(td); } + + for (i = 0; i < num_opts; i++) + free(opts[i]); + num_opts = 0; } while (!ret); if (dump_cmdline) log_info("\n"); + for (i = 0; i < num_opts; i++) + free(opts[i]); + free(string); free(name); + free(opts); if (f != stdin) fclose(f); return ret; @@ -856,7 +934,8 @@ 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, }, }; static int set_debug(const char *string) @@ -916,7 +995,7 @@ static int set_debug(const char *string) return 0; } #else -static void set_debug(const char *string) +static int set_debug(const char *string) { log_err("fio: debug tracing not included in build\n"); return 1; @@ -1082,5 +1161,11 @@ int parse_options(int argc, char *argv[]) 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; }