| /* |
| * This file contains job initialization and setup functions. |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <ctype.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <sys/ipc.h> |
| #include <sys/types.h> |
| #include <dlfcn.h> |
| #ifdef CONFIG_VALGRIND_DEV |
| #include <valgrind/drd.h> |
| #else |
| #define DRD_IGNORE_VAR(x) do { } while (0) |
| #endif |
| |
| #include "fio.h" |
| #ifndef FIO_NO_HAVE_SHM_H |
| #include <sys/shm.h> |
| #endif |
| |
| #include "parse.h" |
| #include "smalloc.h" |
| #include "filehash.h" |
| #include "verify.h" |
| #include "profile.h" |
| #include "server.h" |
| #include "idletime.h" |
| #include "filelock.h" |
| #include "steadystate.h" |
| |
| #include "oslib/getopt.h" |
| #include "oslib/strcasestr.h" |
| |
| #include "crc/test.h" |
| #include "lib/pow2.h" |
| #include "lib/memcpy.h" |
| |
| const char fio_version_string[] = FIO_VERSION; |
| |
| #define FIO_RANDSEED (0xb1899bedUL) |
| |
| static char **ini_file; |
| static int max_jobs = FIO_MAX_JOBS; |
| static int dump_cmdline; |
| static int parse_only; |
| |
| static struct thread_data def_thread; |
| struct thread_data *threads = NULL; |
| static char **job_sections; |
| static int nr_job_sections; |
| |
| int exitall_on_terminate = 0; |
| int output_format = FIO_OUTPUT_NORMAL; |
| int eta_print = FIO_ETA_AUTO; |
| unsigned int eta_interval_msec = 1000; |
| int eta_new_line = 0; |
| FILE *f_out = NULL; |
| FILE *f_err = NULL; |
| char *exec_profile = NULL; |
| int warnings_fatal = 0; |
| int terse_version = 3; |
| int is_backend = 0; |
| int nr_clients = 0; |
| int log_syslog = 0; |
| |
| int write_bw_log = 0; |
| int read_only = 0; |
| int status_interval = 0; |
| |
| char *trigger_file = NULL; |
| long long trigger_timeout = 0; |
| char *trigger_cmd = NULL; |
| char *trigger_remote_cmd = NULL; |
| |
| char *aux_path = NULL; |
| |
| static int prev_group_jobs; |
| |
| unsigned long fio_debug = 0; |
| unsigned int fio_debug_jobno = -1; |
| unsigned int *fio_debug_jobp = NULL; |
| unsigned int *fio_warned = NULL; |
| |
| static char cmd_optstr[256]; |
| static bool did_arg; |
| |
| #define FIO_CLIENT_FLAG (1 << 16) |
| |
| /* |
| * Command line options. These will contain the above, plus a few |
| * extra that only pertain to fio itself and not jobs. |
| */ |
| static struct option l_opts[FIO_NR_OPTIONS] = { |
| { |
| .name = (char *) "output", |
| .has_arg = required_argument, |
| .val = 'o' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "latency-log", |
| .has_arg = required_argument, |
| .val = 'l' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "bandwidth-log", |
| .has_arg = no_argument, |
| .val = 'b' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "minimal", |
| .has_arg = no_argument, |
| .val = 'm' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "output-format", |
| .has_arg = required_argument, |
| .val = 'F' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "append-terse", |
| .has_arg = optional_argument, |
| .val = 'f', |
| }, |
| { |
| .name = (char *) "version", |
| .has_arg = no_argument, |
| .val = 'v' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "help", |
| .has_arg = no_argument, |
| .val = 'h' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "cmdhelp", |
| .has_arg = optional_argument, |
| .val = 'c' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "enghelp", |
| .has_arg = optional_argument, |
| .val = 'i' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "showcmd", |
| .has_arg = no_argument, |
| .val = 's' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "readonly", |
| .has_arg = no_argument, |
| .val = 'r' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "eta", |
| .has_arg = required_argument, |
| .val = 'e' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "eta-interval", |
| .has_arg = required_argument, |
| .val = 'O' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "eta-newline", |
| .has_arg = required_argument, |
| .val = 'E' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "debug", |
| .has_arg = required_argument, |
| .val = 'd' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "parse-only", |
| .has_arg = no_argument, |
| .val = 'P' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "section", |
| .has_arg = required_argument, |
| .val = 'x' | FIO_CLIENT_FLAG, |
| }, |
| #ifdef CONFIG_ZLIB |
| { |
| .name = (char *) "inflate-log", |
| .has_arg = required_argument, |
| .val = 'X' | FIO_CLIENT_FLAG, |
| }, |
| #endif |
| { |
| .name = (char *) "alloc-size", |
| .has_arg = required_argument, |
| .val = 'a' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "profile", |
| .has_arg = required_argument, |
| .val = 'p' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "warnings-fatal", |
| .has_arg = no_argument, |
| .val = 'w' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "max-jobs", |
| .has_arg = required_argument, |
| .val = 'j' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "terse-version", |
| .has_arg = required_argument, |
| .val = 'V' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "server", |
| .has_arg = optional_argument, |
| .val = 'S', |
| }, |
| { .name = (char *) "daemonize", |
| .has_arg = required_argument, |
| .val = 'D', |
| }, |
| { |
| .name = (char *) "client", |
| .has_arg = required_argument, |
| .val = 'C', |
| }, |
| { |
| .name = (char *) "remote-config", |
| .has_arg = required_argument, |
| .val = 'R', |
| }, |
| { |
| .name = (char *) "cpuclock-test", |
| .has_arg = no_argument, |
| .val = 'T', |
| }, |
| { |
| .name = (char *) "crctest", |
| .has_arg = optional_argument, |
| .val = 'G', |
| }, |
| { |
| .name = (char *) "memcpytest", |
| .has_arg = optional_argument, |
| .val = 'M', |
| }, |
| { |
| .name = (char *) "idle-prof", |
| .has_arg = required_argument, |
| .val = 'I', |
| }, |
| { |
| .name = (char *) "status-interval", |
| .has_arg = required_argument, |
| .val = 'L', |
| }, |
| { |
| .name = (char *) "trigger-file", |
| .has_arg = required_argument, |
| .val = 'W', |
| }, |
| { |
| .name = (char *) "trigger-timeout", |
| .has_arg = required_argument, |
| .val = 'B', |
| }, |
| { |
| .name = (char *) "trigger", |
| .has_arg = required_argument, |
| .val = 'H', |
| }, |
| { |
| .name = (char *) "trigger-remote", |
| .has_arg = required_argument, |
| .val = 'J', |
| }, |
| { |
| .name = (char *) "aux-path", |
| .has_arg = required_argument, |
| .val = 'K', |
| }, |
| { |
| .name = NULL, |
| }, |
| }; |
| |
| void free_threads_shm(void) |
| { |
| if (threads) { |
| void *tp = threads; |
| #ifndef CONFIG_NO_SHM |
| struct shmid_ds sbuf; |
| |
| threads = NULL; |
| shmdt(tp); |
| shmctl(shm_id, IPC_RMID, &sbuf); |
| shm_id = -1; |
| #else |
| threads = NULL; |
| free(tp); |
| #endif |
| } |
| } |
| |
| static void free_shm(void) |
| { |
| if (threads) { |
| flow_exit(); |
| fio_debug_jobp = NULL; |
| fio_warned = NULL; |
| free_threads_shm(); |
| } |
| |
| free(trigger_file); |
| free(trigger_cmd); |
| free(trigger_remote_cmd); |
| trigger_file = trigger_cmd = trigger_remote_cmd = NULL; |
| |
| options_free(fio_options, &def_thread.o); |
| fio_filelock_exit(); |
| file_hash_exit(); |
| scleanup(); |
| } |
| |
| /* |
| * 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. We use the end of the region for keeping track of |
| * open files across jobs, for file sharing. |
| */ |
| static int setup_thread_area(void) |
| { |
| int i; |
| |
| if (threads) |
| return 0; |
| |
| /* |
| * 1024 is too much on some machines, scale max_jobs if |
| * we get a failure that looks like too large a shm segment |
| */ |
| do { |
| size_t size = max_jobs * sizeof(struct thread_data); |
| |
| size += 2 * sizeof(unsigned int); |
| |
| #ifndef CONFIG_NO_SHM |
| shm_id = shmget(0, size, IPC_CREAT | 0600); |
| if (shm_id != -1) |
| break; |
| if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) { |
| perror("shmget"); |
| break; |
| } |
| #else |
| threads = malloc(size); |
| if (threads) |
| break; |
| #endif |
| |
| max_jobs >>= 1; |
| } while (max_jobs); |
| |
| #ifndef CONFIG_NO_SHM |
| if (shm_id == -1) |
| return 1; |
| |
| threads = shmat(shm_id, NULL, 0); |
| if (threads == (void *) -1) { |
| perror("shmat"); |
| return 1; |
| } |
| if (shm_attach_to_open_removed()) |
| shmctl(shm_id, IPC_RMID, NULL); |
| #endif |
| |
| memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
| for (i = 0; i < max_jobs; i++) |
| DRD_IGNORE_VAR(threads[i]); |
| fio_debug_jobp = (unsigned int *)(threads + max_jobs); |
| *fio_debug_jobp = -1; |
| fio_warned = fio_debug_jobp + 1; |
| *fio_warned = 0; |
| |
| flow_init(); |
| |
| return 0; |
| } |
| |
| static void dump_print_option(struct print_option *p) |
| { |
| const char *delim; |
| |
| if (!strcmp("description", p->name)) |
| delim = "\""; |
| else |
| delim = ""; |
| |
| log_info("--%s%s", p->name, p->value ? "" : " "); |
| if (p->value) |
| log_info("=%s%s%s ", delim, p->value, delim); |
| } |
| |
| static void dump_opt_list(struct thread_data *td) |
| { |
| struct flist_head *entry; |
| struct print_option *p; |
| |
| if (flist_empty(&td->opt_list)) |
| return; |
| |
| flist_for_each(entry, &td->opt_list) { |
| p = flist_entry(entry, struct print_option, list); |
| dump_print_option(p); |
| } |
| } |
| |
| static void fio_dump_options_free(struct thread_data *td) |
| { |
| while (!flist_empty(&td->opt_list)) { |
| struct print_option *p; |
| |
| p = flist_first_entry(&td->opt_list, struct print_option, list); |
| flist_del_init(&p->list); |
| free(p->name); |
| free(p->value); |
| free(p); |
| } |
| } |
| |
| static void copy_opt_list(struct thread_data *dst, struct thread_data *src) |
| { |
| struct flist_head *entry; |
| |
| if (flist_empty(&src->opt_list)) |
| return; |
| |
| flist_for_each(entry, &src->opt_list) { |
| struct print_option *srcp, *dstp; |
| |
| srcp = flist_entry(entry, struct print_option, list); |
| dstp = malloc(sizeof(*dstp)); |
| dstp->name = strdup(srcp->name); |
| if (srcp->value) |
| dstp->value = strdup(srcp->value); |
| else |
| dstp->value = NULL; |
| flist_add_tail(&dstp->list, &dst->opt_list); |
| } |
| } |
| |
| /* |
| * Return a free job structure. |
| */ |
| static struct thread_data *get_new_job(bool global, struct thread_data *parent, |
| bool preserve_eo, const char *jobname) |
| { |
| struct thread_data *td; |
| |
| if (global) |
| return &def_thread; |
| if (setup_thread_area()) { |
| log_err("error: failed to setup shm segment\n"); |
| return NULL; |
| } |
| if (thread_number >= max_jobs) { |
| log_err("error: maximum number of jobs (%d) reached.\n", |
| max_jobs); |
| return NULL; |
| } |
| |
| td = &threads[thread_number++]; |
| *td = *parent; |
| |
| INIT_FLIST_HEAD(&td->opt_list); |
| if (parent != &def_thread) |
| copy_opt_list(td, parent); |
| |
| td->io_ops = NULL; |
| td->io_ops_init = 0; |
| if (!preserve_eo) |
| td->eo = NULL; |
| |
| td->o.uid = td->o.gid = -1U; |
| |
| dup_files(td, parent); |
| fio_options_mem_dupe(td); |
| |
| profile_add_hooks(td); |
| |
| td->thread_number = thread_number; |
| td->subjob_number = 0; |
| |
| if (jobname) |
| td->o.name = strdup(jobname); |
| |
| if (!parent->o.group_reporting || parent == &def_thread) |
| stat_number++; |
| |
| return td; |
| } |
| |
| static void put_job(struct thread_data *td) |
| { |
| if (td == &def_thread) |
| return; |
| |
| profile_td_exit(td); |
| flow_exit_job(td); |
| |
| if (td->error) |
| log_info("fio: %s\n", td->verror); |
| |
| fio_options_free(td); |
| fio_dump_options_free(td); |
| if (td->io_ops) |
| free_ioengine(td); |
| |
| if (td->o.name) |
| free(td->o.name); |
| |
| memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| thread_number--; |
| } |
| |
| static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
| { |
| unsigned int bs = td->o.min_bs[ddir]; |
| |
| assert(ddir_rw(ddir)); |
| |
| if (td->o.rate[ddir]) |
| td->rate_bps[ddir] = td->o.rate[ddir]; |
| else |
| td->rate_bps[ddir] = (uint64_t) td->o.rate_iops[ddir] * bs; |
| |
| if (!td->rate_bps[ddir]) { |
| log_err("rate lower than supported\n"); |
| return -1; |
| } |
| |
| td->rate_next_io_time[ddir] = 0; |
| td->rate_io_issue_bytes[ddir] = 0; |
| td->last_usec[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); |
| if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM]) |
| ret |= __setup_rate(td, DDIR_TRIM); |
| |
| 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_TRIM] == o->max_bs[DDIR_TRIM] && |
| o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] && |
| o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM]; |
| } |
| |
| |
| static unsigned long long get_rand_start_delay(struct thread_data *td) |
| { |
| unsigned long long delayrange; |
| uint64_t frand_max; |
| unsigned long r; |
| |
| delayrange = td->o.start_delay_high - td->o.start_delay; |
| |
| frand_max = rand_max(&td->delay_state); |
| r = __rand(&td->delay_state); |
| delayrange = (unsigned long long) ((double) delayrange * (r / (frand_max + 1.0))); |
| |
| delayrange += td->o.start_delay; |
| return delayrange; |
| } |
| |
| /* |
| * <3 Johannes |
| */ |
| static unsigned int gcd(unsigned int m, unsigned int n) |
| { |
| if (!n) |
| return m; |
| |
| return gcd(n, m % n); |
| } |
| |
| /* |
| * 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; |
| int ret = 0; |
| |
| #ifndef CONFIG_PSHARED |
| if (!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"); |
| o->use_thread = 1; |
| ret = warnings_fatal; |
| } |
| #endif |
| |
| 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; |
| ret = warnings_fatal; |
| } |
| |
| /* |
| * only really works with 1 file |
| */ |
| if (o->zone_size && o->open_files > 1) |
| o->zone_size = 0; |
| |
| /* |
| * If zone_range isn't specified, backward compatibility dictates it |
| * should be made equal to zone_size. |
| */ |
| if (o->zone_size && !o->zone_range) |
| o->zone_range = o->zone_size; |
| |
| /* |
| * Reads can do overwrites, we always need to pre-create the file |
| */ |
| if (td_read(td)) |
| o->overwrite = 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 (!o->min_bs[DDIR_TRIM]) |
| o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; |
| if (!o->max_bs[DDIR_TRIM]) |
| o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; |
| |
| o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
| o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs); |
| |
| /* |
| * 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_TRIM] || !td_random(td)) |
| o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM]; |
| |
| if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || |
| o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] || |
| o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) && |
| !o->norandommap) { |
| log_err("fio: Any use of blockalign= turns off randommap\n"); |
| o->norandommap = 1; |
| ret = warnings_fatal; |
| } |
| |
| if (!o->file_size_high) |
| o->file_size_high = o->file_size_low; |
| |
| if (o->start_delay_high) |
| o->start_delay = get_rand_start_delay(td); |
| |
| if (o->norandommap && o->verify != VERIFY_NONE |
| && !fixed_block_size(o)) { |
| log_err("fio: norandommap given for variable block sizes, " |
| "verify limited\n"); |
| ret = warnings_fatal; |
| } |
| if (o->bs_unaligned && (o->odirect || td_ioengine_flagged(td, FIO_RAWIO))) |
| log_err("fio: bs_unaligned may not work with raw io\n"); |
| |
| /* |
| * thinktime_spin must be less than thinktime |
| */ |
| if (o->thinktime_spin > o->thinktime) |
| o->thinktime_spin = o->thinktime; |
| |
| /* |
| * The low water mark cannot be bigger than the iodepth |
| */ |
| if (o->iodepth_low > o->iodepth || !o->iodepth_low) |
| o->iodepth_low = o->iodepth; |
| |
| /* |
| * 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 max batch complete number isn't set or set incorrectly, |
| * default to the same as iodepth_batch_complete_min |
| */ |
| if (o->iodepth_batch_complete_min > o->iodepth_batch_complete_max) |
| o->iodepth_batch_complete_max = o->iodepth_batch_complete_min; |
| |
| /* |
| * There's no need to check for in-flight overlapping IOs if the job |
| * isn't changing data or the maximum iodepth is guaranteed to be 1 |
| */ |
| if (o->serialize_overlap && !(td->flags & TD_F_READ_IOLOG) && |
| (!(td_write(td) || td_trim(td)) || o->iodepth == 1)) |
| o->serialize_overlap = 0; |
| /* |
| * Currently can't check for overlaps in offload mode |
| */ |
| if (o->serialize_overlap && o->io_submit_mode == IO_MODE_OFFLOAD) { |
| log_err("fio: checking for in-flight overlaps when the " |
| "io_submit_mode is offload is not supported\n"); |
| o->serialize_overlap = 0; |
| ret = warnings_fatal; |
| } |
| |
| 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[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) && |
| (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) || |
| ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) && |
| (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) { |
| log_err("fio: rate and rate_iops are mutually exclusive\n"); |
| ret = 1; |
| } |
| if ((o->rate[DDIR_READ] && (o->rate[DDIR_READ] < o->ratemin[DDIR_READ])) || |
| (o->rate[DDIR_WRITE] && (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE])) || |
| (o->rate[DDIR_TRIM] && (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM])) || |
| (o->rate_iops[DDIR_READ] && (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ])) || |
| (o->rate_iops[DDIR_WRITE] && (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE])) || |
| (o->rate_iops[DDIR_TRIM] && (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM]))) { |
| log_err("fio: minimum rate exceeds rate\n"); |
| ret = 1; |
| } |
| |
| if (!o->timeout && o->time_based) { |
| log_err("fio: time_based requires a runtime/timeout setting\n"); |
| o->time_based = 0; |
| ret = warnings_fatal; |
| } |
| |
| if (o->fill_device && !o->size) |
| o->size = -1ULL; |
| |
| if (o->verify != VERIFY_NONE) { |
| if (td_write(td) && o->do_verify && o->numjobs > 1 && |
| (o->filename || |
| !(o->unique_filename && |
| strstr(o->filename_format, "$jobname") && |
| strstr(o->filename_format, "$jobnum") && |
| strstr(o->filename_format, "$filenum")))) { |
| log_info("fio: multiple writers may overwrite blocks " |
| "that belong to other jobs. This can cause " |
| "verification failures.\n"); |
| ret = warnings_fatal; |
| } |
| |
| /* |
| * Warn if verification is requested but no verification of any |
| * kind can be started due to time constraints |
| */ |
| if (td_write(td) && o->do_verify && o->timeout && |
| o->time_based && !td_read(td) && !o->verify_backlog) { |
| log_info("fio: verification read phase will never " |
| "start because write phase uses all of " |
| "runtime\n"); |
| ret = warnings_fatal; |
| } |
| |
| if (!fio_option_is_set(o, refill_buffers)) |
| o->refill_buffers = 1; |
| |
| if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
| !o->verify_interval) |
| o->verify_interval = o->min_bs[DDIR_WRITE]; |
| |
| /* |
| * Verify interval must be smaller or equal to the |
| * write size. |
| */ |
| if (o->verify_interval > o->min_bs[DDIR_WRITE]) |
| o->verify_interval = o->min_bs[DDIR_WRITE]; |
| else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ]) |
| o->verify_interval = o->min_bs[DDIR_READ]; |
| |
| /* |
| * Verify interval must be a factor of both min and max |
| * write size |
| */ |
| if (!o->verify_interval || |
| (o->min_bs[DDIR_WRITE] % o->verify_interval) || |
| (o->max_bs[DDIR_WRITE] % o->verify_interval)) |
| o->verify_interval = gcd(o->min_bs[DDIR_WRITE], |
| o->max_bs[DDIR_WRITE]); |
| } |
| |
| if (o->pre_read) { |
| if (o->invalidate_cache) |
| o->invalidate_cache = 0; |
| if (td_ioengine_flagged(td, FIO_PIPEIO)) { |
| log_info("fio: cannot pre-read files with an IO engine" |
| " that isn't seekable. Pre-read disabled.\n"); |
| ret = warnings_fatal; |
| } |
| } |
| |
| if (!o->unit_base) { |
| if (td_ioengine_flagged(td, FIO_BIT_BASED)) |
| o->unit_base = 1; |
| else |
| o->unit_base = 8; |
| } |
| |
| #ifndef FIO_HAVE_ANY_FALLOCATE |
| /* Platform doesn't support any fallocate so force it to none */ |
| o->fallocate_mode = FIO_FALLOCATE_NONE; |
| #endif |
| |
| #ifndef CONFIG_FDATASYNC |
| if (o->fdatasync_blocks) { |
| log_info("fio: this platform does not support fdatasync()" |
| " falling back to using fsync(). Use the 'fsync'" |
| " option instead of 'fdatasync' to get rid of" |
| " this warning\n"); |
| o->fsync_blocks = o->fdatasync_blocks; |
| o->fdatasync_blocks = 0; |
| ret = warnings_fatal; |
| } |
| #endif |
| |
| #ifdef WIN32 |
| /* |
| * Windows doesn't support O_DIRECT or O_SYNC with the _open interface, |
| * so fail if we're passed those flags |
| */ |
| if (td_ioengine_flagged(td, FIO_SYNCIO) && (o->odirect || o->sync_io)) { |
| log_err("fio: Windows does not support direct or non-buffered io with" |
| " the synchronous ioengines. Use the 'windowsaio' ioengine" |
| " with 'direct=1' and 'iodepth=1' instead.\n"); |
| ret = 1; |
| } |
| #endif |
| |
| /* |
| * For fully compressible data, just zero them at init time. |
| * It's faster than repeatedly filling it. For non-zero |
| * compression, we should have refill_buffers set. Set it, unless |
| * the job file already changed it. |
| */ |
| if (o->compress_percentage) { |
| if (o->compress_percentage == 100) { |
| o->zero_buffers = 1; |
| o->compress_percentage = 0; |
| } else if (!fio_option_is_set(o, refill_buffers)) { |
| o->refill_buffers = 1; |
| td->flags |= TD_F_REFILL_BUFFERS; |
| } |
| } |
| |
| /* |
| * Using a non-uniform random distribution excludes usage of |
| * a random map |
| */ |
| if (o->random_distribution != FIO_RAND_DIST_RANDOM) |
| o->norandommap = 1; |
| |
| /* |
| * If size is set but less than the min block size, complain |
| */ |
| if (o->size && o->size < td_min_bs(td)) { |
| log_err("fio: size too small, must not be less than minimum block size: %llu < %u\n", |
| (unsigned long long) o->size, td_min_bs(td)); |
| ret = 1; |
| } |
| |
| /* |
| * O_ATOMIC implies O_DIRECT |
| */ |
| if (o->oatomic) |
| o->odirect = 1; |
| |
| /* |
| * If randseed is set, that overrides randrepeat |
| */ |
| if (fio_option_is_set(o, rand_seed)) |
| o->rand_repeatable = 0; |
| |
| if (td_ioengine_flagged(td, FIO_NOEXTEND) && o->file_append) { |
| log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name); |
| ret = 1; |
| } |
| |
| if (fio_option_is_set(o, gtod_cpu)) { |
| fio_gtod_init(); |
| fio_gtod_set_cpu(o->gtod_cpu); |
| fio_gtod_offload = 1; |
| } |
| |
| td->loops = o->loops; |
| if (!td->loops) |
| td->loops = 1; |
| |
| if (o->block_error_hist && o->nr_files != 1) { |
| log_err("fio: block error histogram only available " |
| "with a single file per job, but %d files " |
| "provided\n", o->nr_files); |
| ret = 1; |
| } |
| |
| if (fio_option_is_set(o, clat_percentiles) && |
| !fio_option_is_set(o, lat_percentiles)) { |
| o->lat_percentiles = !o->clat_percentiles; |
| } else if (fio_option_is_set(o, lat_percentiles) && |
| !fio_option_is_set(o, clat_percentiles)) { |
| o->clat_percentiles = !o->lat_percentiles; |
| } else if (fio_option_is_set(o, lat_percentiles) && |
| fio_option_is_set(o, clat_percentiles) && |
| o->lat_percentiles && o->clat_percentiles) { |
| log_err("fio: lat_percentiles and clat_percentiles are " |
| "mutually exclusive\n"); |
| ret = 1; |
| } |
| |
| if (o->disable_lat) |
| o->lat_percentiles = 0; |
| if (o->disable_clat) |
| o->clat_percentiles = 0; |
| |
| /* |
| * Fix these up to be nsec internally |
| */ |
| o->max_latency *= 1000ULL; |
| o->latency_target *= 1000ULL; |
| o->latency_window *= 1000ULL; |
| |
| return ret; |
| } |
| |
| static void init_rand_file_service(struct thread_data *td) |
| { |
| unsigned long nranges = td->o.nr_files << FIO_FSERVICE_SHIFT; |
| const unsigned int seed = td->rand_seeds[FIO_RAND_FILE_OFF]; |
| |
| if (td->o.file_service_type == FIO_FSERVICE_ZIPF) { |
| zipf_init(&td->next_file_zipf, nranges, td->zipf_theta, seed); |
| zipf_disable_hash(&td->next_file_zipf); |
| } else if (td->o.file_service_type == FIO_FSERVICE_PARETO) { |
| pareto_init(&td->next_file_zipf, nranges, td->pareto_h, seed); |
| zipf_disable_hash(&td->next_file_zipf); |
| } else if (td->o.file_service_type == FIO_FSERVICE_GAUSS) { |
| gauss_init(&td->next_file_gauss, nranges, td->gauss_dev, seed); |
| gauss_disable_hash(&td->next_file_gauss); |
| } |
| } |
| |
| void td_fill_verify_state_seed(struct thread_data *td) |
| { |
| bool use64; |
| |
| if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64) |
| use64 = true; |
| else |
| use64 = false; |
| |
| init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF], |
| use64); |
| } |
| |
| static void td_fill_rand_seeds_internal(struct thread_data *td, bool use64) |
| { |
| int i; |
| |
| /* |
| * trimwrite is special in that we need to generate the same |
| * offsets to get the "write after trim" effect. If we are |
| * using bssplit to set buffer length distributions, ensure that |
| * we seed the trim and write generators identically. |
| */ |
| if (td_trimwrite(td)) { |
| init_rand_seed(&td->bsrange_state[DDIR_READ], td->rand_seeds[FIO_RAND_BS_OFF], use64); |
| init_rand_seed(&td->bsrange_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_BS1_OFF], use64); |
| init_rand_seed(&td->bsrange_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_BS1_OFF], use64); |
| } else { |
| init_rand_seed(&td->bsrange_state[DDIR_READ], td->rand_seeds[FIO_RAND_BS_OFF], use64); |
| init_rand_seed(&td->bsrange_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_BS1_OFF], use64); |
| init_rand_seed(&td->bsrange_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_BS2_OFF], use64); |
| } |
| |
| td_fill_verify_state_seed(td); |
| init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], false); |
| |
| if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
| init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF], use64); |
| else if (td->o.file_service_type & __FIO_FSERVICE_NONUNIFORM) |
| init_rand_file_service(td); |
| |
| init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64); |
| init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64); |
| init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64); |
| init_rand_seed(&td->poisson_state[0], td->rand_seeds[FIO_RAND_POISSON_OFF], 0); |
| init_rand_seed(&td->poisson_state[1], td->rand_seeds[FIO_RAND_POISSON2_OFF], 0); |
| init_rand_seed(&td->poisson_state[2], td->rand_seeds[FIO_RAND_POISSON3_OFF], 0); |
| init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], false); |
| init_rand_seed(&td->zone_state, td->rand_seeds[FIO_RAND_ZONE_OFF], false); |
| |
| if (!td_random(td)) |
| return; |
| |
| if (td->o.rand_repeatable) |
| td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number; |
| |
| init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF], use64); |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| struct frand_state *s = &td->seq_rand_state[i]; |
| |
| init_rand_seed(s, td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], false); |
| } |
| } |
| |
| void td_fill_rand_seeds(struct thread_data *td) |
| { |
| bool use64; |
| |
| if (td->o.allrand_repeatable) { |
| unsigned int i; |
| |
| for (i = 0; i < FIO_RAND_NR_OFFS; i++) |
| td->rand_seeds[i] = FIO_RANDSEED * td->thread_number |
| + i; |
| } |
| |
| if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64) |
| use64 = true; |
| else |
| use64 = false; |
| |
| td_fill_rand_seeds_internal(td, use64); |
| |
| init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF], use64); |
| frand_copy(&td->buf_state_prev, &td->buf_state); |
| } |
| |
| /* |
| * Initializes the ioengine configured for a job, if it has not been done so |
| * already. |
| */ |
| int ioengine_load(struct thread_data *td) |
| { |
| if (!td->o.ioengine) { |
| log_err("fio: internal fault, no IO engine specified\n"); |
| return 1; |
| } |
| |
| if (td->io_ops) { |
| struct ioengine_ops *ops; |
| void *dlhandle; |
| |
| /* An engine is loaded, but the requested ioengine |
| * may have changed. |
| */ |
| if (!strcmp(td->io_ops->name, td->o.ioengine)) { |
| /* The right engine is already loaded */ |
| return 0; |
| } |
| |
| /* |
| * Name of file and engine may be different, load ops |
| * for this name and see if they match. If they do, then |
| * the engine is unchanged. |
| */ |
| dlhandle = td->io_ops_dlhandle; |
| ops = load_ioengine(td); |
| if (ops == td->io_ops && dlhandle == td->io_ops_dlhandle) { |
| if (dlhandle) |
| dlclose(dlhandle); |
| return 0; |
| } |
| |
| if (dlhandle && dlhandle != td->io_ops_dlhandle) |
| dlclose(dlhandle); |
| |
| /* Unload the old engine. */ |
| free_ioengine(td); |
| } |
| |
| td->io_ops = load_ioengine(td); |
| if (!td->io_ops) { |
| log_err("fio: failed to load engine\n"); |
| return 1; |
| } |
| |
| if (td->io_ops->option_struct_size && td->io_ops->options) { |
| /* |
| * In cases where td->eo is set, clone it for a child thread. |
| * This requires that the parent thread has the same ioengine, |
| * but that requirement must be enforced by the code which |
| * cloned the thread. |
| */ |
| void *origeo = td->eo; |
| /* |
| * Otherwise use the default thread options. |
| */ |
| if (!origeo && td != &def_thread && def_thread.eo && |
| def_thread.io_ops->options == td->io_ops->options) |
| origeo = def_thread.eo; |
| |
| options_init(td->io_ops->options); |
| td->eo = malloc(td->io_ops->option_struct_size); |
| /* |
| * Use the default thread as an option template if this uses the |
| * same options structure and there are non-default options |
| * used. |
| */ |
| if (origeo) { |
| memcpy(td->eo, origeo, td->io_ops->option_struct_size); |
| options_mem_dupe(td->io_ops->options, td->eo); |
| } else { |
| memset(td->eo, 0, td->io_ops->option_struct_size); |
| fill_default_options(td->eo, td->io_ops->options); |
| } |
| *(struct thread_data **)td->eo = td; |
| } |
| |
| if (td->o.odirect) |
| td->io_ops->flags |= FIO_RAWIO; |
| |
| td_set_ioengine_flags(td); |
| return 0; |
| } |
| |
| static void init_flags(struct thread_data *td) |
| { |
| struct thread_options *o = &td->o; |
| int i; |
| |
| if (o->verify_backlog) |
| td->flags |= TD_F_VER_BACKLOG; |
| if (o->trim_backlog) |
| td->flags |= TD_F_TRIM_BACKLOG; |
| if (o->read_iolog_file) |
| td->flags |= TD_F_READ_IOLOG; |
| if (o->refill_buffers) |
| td->flags |= TD_F_REFILL_BUFFERS; |
| /* |
| * Always scramble buffers if asked to |
| */ |
| if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers)) |
| td->flags |= TD_F_SCRAMBLE_BUFFERS; |
| /* |
| * But also scramble buffers, unless we were explicitly asked |
| * to zero them. |
| */ |
| if (o->scramble_buffers && !(o->zero_buffers && |
| fio_option_is_set(o, zero_buffers))) |
| td->flags |= TD_F_SCRAMBLE_BUFFERS; |
| if (o->verify != VERIFY_NONE) |
| td->flags |= TD_F_DO_VERIFY; |
| |
| if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD) |
| td->flags |= TD_F_NEED_LOCK; |
| |
| if (o->mem_type == MEM_CUDA_MALLOC) |
| td->flags &= ~TD_F_SCRAMBLE_BUFFERS; |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| if (option_check_rate(td, i)) { |
| td->flags |= TD_F_CHECK_RATE; |
| break; |
| } |
| } |
| } |
| |
| static int setup_random_seeds(struct thread_data *td) |
| { |
| unsigned long seed; |
| unsigned int i; |
| |
| if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed)) { |
| int ret = init_random_seeds(td->rand_seeds, sizeof(td->rand_seeds)); |
| if (!ret) |
| td_fill_rand_seeds(td); |
| return ret; |
| } |
| |
| seed = td->o.rand_seed; |
| for (i = 0; i < 4; i++) |
| seed *= 0x9e370001UL; |
| |
| for (i = 0; i < FIO_RAND_NR_OFFS; i++) { |
| td->rand_seeds[i] = seed * td->thread_number + i; |
| seed *= 0x9e370001UL; |
| } |
| |
| td_fill_rand_seeds(td); |
| return 0; |
| } |
| |
| enum { |
| FPRE_NONE = 0, |
| FPRE_JOBNAME, |
| FPRE_JOBNUM, |
| FPRE_FILENUM |
| }; |
| |
| static struct fpre_keyword { |
| const char *keyword; |
| size_t strlen; |
| int key; |
| } fpre_keywords[] = { |
| { .keyword = "$jobname", .key = FPRE_JOBNAME, }, |
| { .keyword = "$jobnum", .key = FPRE_JOBNUM, }, |
| { .keyword = "$filenum", .key = FPRE_FILENUM, }, |
| { .keyword = NULL, }, |
| }; |
| |
| static char *make_filename(char *buf, size_t buf_size,struct thread_options *o, |
| const char *jobname, int jobnum, int filenum) |
| { |
| struct fpre_keyword *f; |
| char copy[PATH_MAX]; |
| size_t dst_left = PATH_MAX - 1; |
| |
| if (!o->filename_format || !strlen(o->filename_format)) { |
| sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum); |
| return buf; |
| } |
| |
| for (f = &fpre_keywords[0]; f->keyword; f++) |
| f->strlen = strlen(f->keyword); |
| |
| buf[buf_size - 1] = '\0'; |
| strncpy(buf, o->filename_format, buf_size - 1); |
| |
| memset(copy, 0, sizeof(copy)); |
| for (f = &fpre_keywords[0]; f->keyword; f++) { |
| do { |
| size_t pre_len, post_start = 0; |
| char *str, *dst = copy; |
| |
| str = strcasestr(buf, f->keyword); |
| if (!str) |
| break; |
| |
| pre_len = str - buf; |
| if (strlen(str) != f->strlen) |
| post_start = pre_len + f->strlen; |
| |
| if (pre_len) { |
| strncpy(dst, buf, pre_len); |
| dst += pre_len; |
| dst_left -= pre_len; |
| } |
| |
| switch (f->key) { |
| case FPRE_JOBNAME: { |
| int ret; |
| |
| ret = snprintf(dst, dst_left, "%s", jobname); |
| if (ret < 0) |
| break; |
| else if (ret > dst_left) { |
| log_err("fio: truncated filename\n"); |
| dst += dst_left; |
| dst_left = 0; |
| } else { |
| dst += ret; |
| dst_left -= ret; |
| } |
| break; |
| } |
| case FPRE_JOBNUM: { |
| int ret; |
| |
| ret = snprintf(dst, dst_left, "%d", jobnum); |
| if (ret < 0) |
| break; |
| else if (ret > dst_left) { |
| log_err("fio: truncated filename\n"); |
| dst += dst_left; |
| dst_left = 0; |
| } else { |
| dst += ret; |
| dst_left -= ret; |
| } |
| break; |
| } |
| case FPRE_FILENUM: { |
| int ret; |
| |
| ret = snprintf(dst, dst_left, "%d", filenum); |
| if (ret < 0) |
| break; |
| else if (ret > dst_left) { |
| log_err("fio: truncated filename\n"); |
| dst += dst_left; |
| dst_left = 0; |
| } else { |
| dst += ret; |
| dst_left -= ret; |
| } |
| break; |
| } |
| default: |
| assert(0); |
| break; |
| } |
| |
| if (post_start) |
| strncpy(dst, buf + post_start, dst_left); |
| |
| strncpy(buf, copy, buf_size - 1); |
| } while (1); |
| } |
| |
| return buf; |
| } |
| |
| bool parse_dryrun(void) |
| { |
| return dump_cmdline || parse_only; |
| } |
| |
| static void gen_log_name(char *name, size_t size, const char *logtype, |
| const char *logname, unsigned int num, |
| const char *suf, int per_job) |
| { |
| if (per_job) |
| snprintf(name, size, "%s_%s.%d.%s", logname, logtype, num, suf); |
| else |
| snprintf(name, size, "%s_%s.%s", logname, logtype, suf); |
| } |
| |
| static int check_waitees(char *waitee) |
| { |
| struct thread_data *td; |
| int i, ret = 0; |
| |
| for_each_td(td, i) { |
| if (td->subjob_number) |
| continue; |
| |
| ret += !strcmp(td->o.name, waitee); |
| } |
| |
| return ret; |
| } |
| |
| static bool wait_for_ok(const char *jobname, struct thread_options *o) |
| { |
| int nw; |
| |
| if (!o->wait_for) |
| return true; |
| |
| if (!strcmp(jobname, o->wait_for)) { |
| log_err("%s: a job cannot wait for itself (wait_for=%s).\n", |
| jobname, o->wait_for); |
| return false; |
| } |
| |
| if (!(nw = check_waitees(o->wait_for))) { |
| log_err("%s: waitee job %s unknown.\n", jobname, o->wait_for); |
| return false; |
| } |
| |
| if (nw > 1) { |
| log_err("%s: multiple waitees %s found,\n" |
| "please avoid duplicates when using wait_for option.\n", |
| jobname, o->wait_for); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /* |
| * 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, |
| int recursed, int client_type) |
| { |
| unsigned int i; |
| char fname[PATH_MAX]; |
| int numjobs, file_alloced; |
| struct thread_options *o = &td->o; |
| char logname[PATH_MAX + 32]; |
| |
| /* |
| * the def_thread is just for options, it's not a real job |
| */ |
| if (td == &def_thread) |
| return 0; |
| |
| init_flags(td); |
| |
| /* |
| * if we are just dumping the output command line, don't add the job |
| */ |
| if (parse_dryrun()) { |
| put_job(td); |
| return 0; |
| } |
| |
| td->client_type = client_type; |
| |
| if (profile_td_init(td)) |
| goto err; |
| |
| if (ioengine_load(td)) |
| goto err; |
| |
| file_alloced = 0; |
| if (!o->filename && !td->files_index && !o->read_iolog_file) { |
| file_alloced = 1; |
| |
| if (o->nr_files == 1 && exists_and_not_regfile(jobname)) |
| add_file(td, jobname, job_add_num, 0); |
| else { |
| for (i = 0; i < o->nr_files; i++) |
| add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0); |
| } |
| } |
| |
| if (fixup_options(td)) |
| goto err; |
| |
| /* |
| * Belongs to fixup_options, but o->name is not necessarily set as yet |
| */ |
| if (!wait_for_ok(jobname, o)) |
| goto err; |
| |
| flow_init_job(td); |
| |
| /* |
| * IO engines only need this for option callbacks, and the address may |
| * change in subprocesses. |
| */ |
| if (td->eo) |
| *(struct thread_data **)td->eo = NULL; |
| |
| if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
| struct fio_file *f; |
| |
| for_each_file(td, f, i) |
| f->real_file_size = -1ULL; |
| } |
| |
| td->sem = fio_sem_init(FIO_SEM_LOCKED); |
| |
| td->ts.clat_percentiles = o->clat_percentiles; |
| td->ts.lat_percentiles = o->lat_percentiles; |
| td->ts.percentile_precision = o->percentile_precision; |
| memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list)); |
| td->ts.sig_figs = o->sig_figs; |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| td->ts.clat_stat[i].min_val = ULONG_MAX; |
| td->ts.slat_stat[i].min_val = ULONG_MAX; |
| td->ts.lat_stat[i].min_val = ULONG_MAX; |
| td->ts.bw_stat[i].min_val = ULONG_MAX; |
| td->ts.iops_stat[i].min_val = ULONG_MAX; |
| } |
| td->ts.sync_stat.min_val = ULONG_MAX; |
| td->ddir_seq_nr = o->ddir_seq_nr; |
| |
| if ((o->stonewall || o->new_group) && prev_group_jobs) { |
| prev_group_jobs = 0; |
| groupid++; |
| if (groupid == INT_MAX) { |
| log_err("fio: too many groups defined\n"); |
| goto err; |
| } |
| } |
| |
| td->groupid = groupid; |
| prev_group_jobs++; |
| |
| if (setup_random_seeds(td)) { |
| td_verror(td, errno, "setup_random_seeds"); |
| goto err; |
| } |
| |
| if (setup_rate(td)) |
| goto err; |
| |
| if (o->write_lat_log) { |
| struct log_params p = { |
| .td = td, |
| .avg_msec = o->log_avg_msec, |
| .hist_msec = o->log_hist_msec, |
| .hist_coarseness = o->log_hist_coarseness, |
| .log_type = IO_LOG_TYPE_LAT, |
| .log_offset = o->log_offset, |
| .log_gz = o->log_gz, |
| .log_gz_store = o->log_gz_store, |
| }; |
| const char *pre = o->lat_log_file ? o->lat_log_file : o->name; |
| const char *suf; |
| |
| if (p.log_gz_store) |
| suf = "log.fz"; |
| else |
| suf = "log"; |
| |
| gen_log_name(logname, sizeof(logname), "lat", pre, |
| td->thread_number, suf, o->per_job_logs); |
| setup_log(&td->lat_log, &p, logname); |
| |
| gen_log_name(logname, sizeof(logname), "slat", pre, |
| td->thread_number, suf, o->per_job_logs); |
| setup_log(&td->slat_log, &p, logname); |
| |
| gen_log_name(logname, sizeof(logname), "clat", pre, |
| td->thread_number, suf, o->per_job_logs); |
| setup_log(&td->clat_log, &p, logname); |
| } |
| |
| if (o->write_hist_log) { |
| struct log_params p = { |
| .td = td, |
| .avg_msec = o->log_avg_msec, |
| .hist_msec = o->log_hist_msec, |
| .hist_coarseness = o->log_hist_coarseness, |
| .log_type = IO_LOG_TYPE_HIST, |
| .log_offset = o->log_offset, |
| .log_gz = o->log_gz, |
| .log_gz_store = o->log_gz_store, |
| }; |
| const char *pre = o->hist_log_file ? o->hist_log_file : o->name; |
| const char *suf; |
| |
| #ifndef CONFIG_ZLIB |
| if (td->client_type) { |
| log_err("fio: --write_hist_log requires zlib in client/server mode\n"); |
| goto err; |
| } |
| #endif |
| |
| if (p.log_gz_store) |
| suf = "log.fz"; |
| else |
| suf = "log"; |
| |
| gen_log_name(logname, sizeof(logname), "clat_hist", pre, |
| td->thread_number, suf, o->per_job_logs); |
| setup_log(&td->clat_hist_log, &p, logname); |
| } |
| |
| if (o->write_bw_log) { |
| struct log_params p = { |
| .td = td, |
| .avg_msec = o->log_avg_msec, |
| .hist_msec = o->log_hist_msec, |
| .hist_coarseness = o->log_hist_coarseness, |
| .log_type = IO_LOG_TYPE_BW, |
| .log_offset = o->log_offset, |
| .log_gz = o->log_gz, |
| .log_gz_store = o->log_gz_store, |
| }; |
| const char *pre = o->bw_log_file ? o->bw_log_file : o->name; |
| const char *suf; |
| |
| if (fio_option_is_set(o, bw_avg_time)) |
| p.avg_msec = min(o->log_avg_msec, o->bw_avg_time); |
| else |
| o->bw_avg_time = p.avg_msec; |
| |
| p.hist_msec = o->log_hist_msec; |
| p.hist_coarseness = o->log_hist_coarseness; |
| |
| if (p.log_gz_store) |
| suf = "log.fz"; |
| else |
| suf = "log"; |
| |
| gen_log_name(logname, sizeof(logname), "bw", pre, |
| td->thread_number, suf, o->per_job_logs); |
| setup_log(&td->bw_log, &p, logname); |
| } |
| if (o->write_iops_log) { |
| struct log_params p = { |
| .td = td, |
| .avg_msec = o->log_avg_msec, |
| .hist_msec = o->log_hist_msec, |
| .hist_coarseness = o->log_hist_coarseness, |
| .log_type = IO_LOG_TYPE_IOPS, |
| .log_offset = o->log_offset, |
| .log_gz = o->log_gz, |
| .log_gz_store = o->log_gz_store, |
| }; |
| const char *pre = o->iops_log_file ? o->iops_log_file : o->name; |
| const char *suf; |
| |
| if (fio_option_is_set(o, iops_avg_time)) |
| p.avg_msec = min(o->log_avg_msec, o->iops_avg_time); |
| else |
| o->iops_avg_time = p.avg_msec; |
| |
| p.hist_msec = o->log_hist_msec; |
| p.hist_coarseness = o->log_hist_coarseness; |
| |
| if (p.log_gz_store) |
| suf = "log.fz"; |
| else |
| suf = "log"; |
| |
| gen_log_name(logname, sizeof(logname), "iops", pre, |
| td->thread_number, suf, o->per_job_logs); |
| setup_log(&td->iops_log, &p, logname); |
| } |
| |
| if (!o->name) |
| o->name = strdup(jobname); |
| |
| if (output_format & FIO_OUTPUT_NORMAL) { |
| if (!job_add_num) { |
| if (is_backend && !recursed) |
| fio_server_send_add_job(td); |
| |
| if (!td_ioengine_flagged(td, FIO_NOIO)) { |
| char *c1, *c2, *c3, *c4; |
| char *c5 = NULL, *c6 = NULL; |
| int i2p = is_power_of_2(o->kb_base); |
| |
| c1 = num2str(o->min_bs[DDIR_READ], o->sig_figs, 1, i2p, N2S_BYTE); |
| c2 = num2str(o->max_bs[DDIR_READ], o->sig_figs, 1, i2p, N2S_BYTE); |
| c3 = num2str(o->min_bs[DDIR_WRITE], o->sig_figs, 1, i2p, N2S_BYTE); |
| c4 = num2str(o->max_bs[DDIR_WRITE], o->sig_figs, 1, i2p, N2S_BYTE); |
| |
| if (!o->bs_is_seq_rand) { |
| c5 = num2str(o->min_bs[DDIR_TRIM], o->sig_figs, 1, i2p, N2S_BYTE); |
| c6 = num2str(o->max_bs[DDIR_TRIM], o->sig_figs, 1, i2p, N2S_BYTE); |
| } |
| |
| log_info("%s: (g=%d): rw=%s, ", td->o.name, |
| td->groupid, |
| ddir_str(o->td_ddir)); |
| |
| if (o->bs_is_seq_rand) |
| log_info("bs=(R) %s-%s, (W) %s-%s, bs_is_seq_rand, ", |
| c1, c2, c3, c4); |
| else |
| log_info("bs=(R) %s-%s, (W) %s-%s, (T) %s-%s, ", |
| c1, c2, c3, c4, c5, c6); |
| |
| log_info("ioengine=%s, iodepth=%u\n", |
| td->io_ops->name, o->iodepth); |
| |
| free(c1); |
| free(c2); |
| free(c3); |
| free(c4); |
| free(c5); |
| free(c6); |
| } |
| } else if (job_add_num == 1) |
| log_info("...\n"); |
| } |
| |
| if (td_steadystate_init(td)) |
| goto err; |
| |
| /* |
| * recurse add identical jobs, clear numjobs and stonewall options |
| * as they don't apply to sub-jobs |
| */ |
| numjobs = o->numjobs; |
| while (--numjobs) { |
| struct thread_data *td_new = get_new_job(false, td, true, jobname); |
| |
| if (!td_new) |
| goto err; |
| |
| td_new->o.numjobs = 1; |
| td_new->o.stonewall = 0; |
| td_new->o.new_group = 0; |
| td_new->subjob_number = numjobs; |
| td_new->o.ss_dur = o->ss_dur * 1000000l; |
| td_new->o.ss_limit = o->ss_limit; |
| |
| if (file_alloced) { |
| if (td_new->files) { |
| struct fio_file *f; |
| for_each_file(td_new, f, i) { |
| if (f->file_name) |
| sfree(f->file_name); |
| sfree(f); |
| } |
| free(td_new->files); |
| td_new->files = NULL; |
| } |
| td_new->files_index = 0; |
| td_new->files_size = 0; |
| if (td_new->o.filename) { |
| free(td_new->o.filename); |
| td_new->o.filename = NULL; |
| } |
| } |
| |
| if (add_job(td_new, jobname, numjobs, 1, client_type)) |
| goto err; |
| } |
| |
| return 0; |
| err: |
| put_job(td); |
| return -1; |
| } |
| |
| /* |
| * Parse as if 'o' was a command line |
| */ |
| void add_job_opts(const char **o, int client_type) |
| { |
| struct thread_data *td, *td_parent; |
| int i, in_global = 1; |
| char jobname[32]; |
| |
| 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, 0, client_type); |
| td = NULL; |
| sprintf(jobname, "%s", o[i] + 5); |
| } |
| if (in_global && !td_parent) |
| td_parent = get_new_job(true, &def_thread, false, jobname); |
| else if (!in_global && !td) { |
| if (!td_parent) |
| td_parent = &def_thread; |
| td = get_new_job(false, td_parent, false, jobname); |
| } |
| 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, 0, client_type); |
| } |
| |
| static int skip_this_section(const char *name) |
| { |
| int i; |
| |
| if (!nr_job_sections) |
| return 0; |
| if (!strncmp(name, "global", 6)) |
| return 0; |
| |
| for (i = 0; i < nr_job_sections; i++) |
| if (!strcmp(job_sections[i], name)) |
| return 0; |
| |
| return 1; |
| } |
| |
| static int is_empty_or_comment(char *line) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < strlen(line); i++) { |
| if (line[i] == ';') |
| return 1; |
| if (line[i] == '#') |
| return 1; |
| if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| /* |
| * This is our [ini] type file parser. |
| */ |
| static int __parse_jobs_ini(struct thread_data *td, |
| char *file, int is_buf, int stonewall_flag, int type, |
| int nested, char *name, char ***popts, int *aopts, int *nopts) |
| { |
| bool global = false; |
| char *string; |
| FILE *f; |
| char *p; |
| int ret = 0, stonewall; |
| int first_sect = 1; |
| int skip_fgets = 0; |
| int inside_skip = 0; |
| char **opts; |
| int i, alloc_opts, num_opts; |
| |
| dprint(FD_PARSE, "Parsing ini file %s\n", file); |
| assert(td || !nested); |
| |
| if (is_buf) |
| f = NULL; |
| else { |
| if (!strcmp(file, "-")) |
| f = stdin; |
| else |
| f = fopen(file, "r"); |
| |
| if (!f) { |
| int __err = errno; |
| |
| log_err("fio: unable to open '%s' job file\n", file); |
| if (td) |
| td_verror(td, __err, "job file open"); |
| return 1; |
| } |
| } |
| |
| string = malloc(4096); |
| |
| /* |
| * it's really 256 + small bit, 280 should suffice |
| */ |
| if (!nested) { |
| name = malloc(280); |
| memset(name, 0, 280); |
| } |
| |
| opts = NULL; |
| if (nested && popts) { |
| opts = *popts; |
| alloc_opts = *aopts; |
| num_opts = *nopts; |
| } |
| |
| if (!opts) { |
| alloc_opts = 8; |
| opts = malloc(sizeof(char *) * alloc_opts); |
| num_opts = 0; |
| } |
| |
| stonewall = stonewall_flag; |
| do { |
| /* |
| * if skip_fgets is set, we already have loaded a line we |
| * haven't handled. |
| */ |
| if (!skip_fgets) { |
| if (is_buf) |
| p = strsep(&file, "\n"); |
| else |
| p = fgets(string, 4096, f); |
| if (!p) |
| break; |
| } |
| |
| skip_fgets = 0; |
| strip_blank_front(&p); |
| strip_blank_end(p); |
| |
| dprint(FD_PARSE, "%s\n", p); |
| if (is_empty_or_comment(p)) |
| continue; |
| |
| if (!nested) { |
| if (sscanf(p, "[%255[^\n]]", name) != 1) { |
| if (inside_skip) |
| continue; |
| |
| log_err("fio: option <%s> outside of " |
| "[] job section\n", p); |
| ret = 1; |
| break; |
| } |
| |
| name[strlen(name) - 1] = '\0'; |
| |
| if (skip_this_section(name)) { |
| inside_skip = 1; |
| continue; |
| } else |
| inside_skip = 0; |
| |
| dprint(FD_PARSE, "Parsing section [%s]\n", name); |
| |
| global = !strncmp(name, "global", 6); |
| |
| 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, false, name); |
| if (!td) { |
| ret = 1; |
| break; |
| } |
| |
| /* |
| * Separate multiple job files by a stonewall |
| */ |
| if (!global && stonewall) { |
| td->o.stonewall = stonewall; |
| stonewall = 0; |
| } |
| |
| num_opts = 0; |
| memset(opts, 0, alloc_opts * sizeof(char *)); |
| } |
| else |
| skip_fgets = 1; |
| |
| while (1) { |
| if (!skip_fgets) { |
| if (is_buf) |
| p = strsep(&file, "\n"); |
| else |
| p = fgets(string, 4096, f); |
| if (!p) |
| break; |
| dprint(FD_PARSE, "%s", p); |
| } |
| else |
| skip_fgets = 0; |
| |
| if (is_empty_or_comment(p)) |
| continue; |
| |
| strip_blank_front(&p); |
| |
| /* |
| * new section, break out and make sure we don't |
| * fgets() a new line at the top. |
| */ |
| if (p[0] == '[') { |
| if (nested) { |
| log_err("No new sections in included files\n"); |
| ret = 1; |
| goto out; |
| } |
| |
| skip_fgets = 1; |
| break; |
| } |
| |
| strip_blank_end(p); |
| |
| if (!strncmp(p, "include", strlen("include"))) { |
| char *filename = p + strlen("include") + 1, |
| *ts, *full_fn = NULL; |
| |
| /* |
| * Allow for the include filename |
| * specification to be relative. |
| */ |
| if (access(filename, F_OK) && |
| (ts = strrchr(file, '/'))) { |
| int len = ts - file + |
| strlen(filename) + 2; |
| |
| if (!(full_fn = calloc(1, len))) { |
| ret = ENOMEM; |
| break; |
| } |
| |
| strncpy(full_fn, |
| file, (ts - file) + 1); |
| strncpy(full_fn + (ts - file) + 1, |
| filename, strlen(filename)); |
| full_fn[len - 1] = 0; |
| filename = full_fn; |
| } |
| |
| ret = __parse_jobs_ini(td, filename, is_buf, |
| stonewall_flag, type, 1, |
| name, &opts, |
| &alloc_opts, &num_opts); |
| |
| if (ret) { |
| log_err("Error %d while parsing " |
| "include file %s\n", |
| ret, filename); |
| } |
| |
| if (full_fn) |
| free(full_fn); |
| |
| if (ret) |
| break; |
| |
| continue; |
| } |
| |
| if (num_opts == alloc_opts) { |
| alloc_opts <<= 1; |
| opts = realloc(opts, |
| alloc_opts * sizeof(char *)); |
| } |
| |
| opts[num_opts] = strdup(p); |
| num_opts++; |
| } |
| |
| if (nested) { |
| *popts = opts; |
| *aopts = alloc_opts; |
| *nopts = num_opts; |
| goto out; |
| } |
| |
| ret = fio_options_parse(td, opts, num_opts); |
| if (!ret) { |
| if (dump_cmdline) |
| dump_opt_list(td); |
| |
| ret = add_job(td, name, 0, 0, type); |
| } 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"); |
| |
| i = 0; |
| while (i < nr_job_sections) { |
| free(job_sections[i]); |
| i++; |
| } |
| |
| free(opts); |
| out: |
| free(string); |
| if (!nested) |
| free(name); |
| if (!is_buf && f != stdin) |
| fclose(f); |
| return ret; |
| } |
| |
| int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type) |
| { |
| return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type, |
| 0, NULL, NULL, NULL, NULL); |
| } |
| |
| static int fill_def_thread(void) |
| { |
| memset(&def_thread, 0, sizeof(def_thread)); |
| INIT_FLIST_HEAD(&def_thread.opt_list); |
| |
| fio_getaffinity(getpid(), &def_thread.o.cpumask); |
| def_thread.o.error_dump = 1; |
| |
| /* |
| * fill default options |
| */ |
| fio_fill_default_options(&def_thread); |
| return 0; |
| } |
| |
| static void show_debug_categories(void) |
| { |
| #ifdef FIO_INC_DEBUG |
| const struct debug_level *dl = &debug_levels[0]; |
| int curlen, first = 1; |
| |
| curlen = 0; |
| while (dl->name) { |
| int has_next = (dl + 1)->name != NULL; |
| |
| if (first || curlen + strlen(dl->name) >= 80) { |
| if (!first) { |
| printf("\n"); |
| curlen = 0; |
| } |
| curlen += printf("\t\t\t%s", dl->name); |
| curlen += 3 * (8 - 1); |
| if (has_next) |
| curlen += printf(","); |
| } else { |
| curlen += printf("%s", dl->name); |
| if (has_next) |
| curlen += printf(","); |
| } |
| dl++; |
| first = 0; |
| } |
| printf("\n"); |
| #endif |
| } |
| |
| /* |
| * Following options aren't printed by usage(). |
| * --append-terse - Equivalent to --output-format=terse, see f6a7df53. |
| * --latency-log - Deprecated option. |
| */ |
| static void usage(const char *name) |
| { |
| printf("%s\n", fio_version_string); |
| printf("%s [options] [job options] <job file(s)>\n", name); |
| printf(" --debug=options\tEnable debug logging. May be one/more of:\n"); |
| show_debug_categories(); |
| printf(" --parse-only\t\tParse options only, don't start any IO\n"); |
| printf(" --output\t\tWrite output to file\n"); |
| printf(" --bandwidth-log\tGenerate aggregate bandwidth logs\n"); |
| printf(" --minimal\t\tMinimal (terse) output\n"); |
| printf(" --output-format=type\tOutput format (terse,json,json+,normal)\n"); |
| printf(" --terse-version=type\tSet terse version output format" |
| " (default 3, or 2 or 4)\n"); |
| printf(" --version\t\tPrint version info and exit\n"); |
| printf(" --help\t\tPrint this page\n"); |
| printf(" --cpuclock-test\tPerform test/validation of CPU clock\n"); |
| printf(" --crctest=[type]\tTest speed of checksum functions\n"); |
| printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of" |
| " them\n"); |
| printf(" --enghelp=engine\tPrint ioengine help, or list" |
| " available ioengines\n"); |
| printf(" --enghelp=engine,cmd\tPrint help for an ioengine" |
| " cmd\n"); |
| printf(" --showcmd\t\tTurn a job file into command line options\n"); |
| printf(" --eta=when\t\tWhen ETA estimate should be printed\n"); |
| printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n"); |
| printf(" --eta-newline=time\tForce a new line for every 'time'"); |
| printf(" period passed\n"); |
| printf(" --status-interval=t\tForce full status dump every"); |
| printf(" 't' period passed\n"); |
| printf(" --readonly\t\tTurn on safety read-only checks, preventing" |
| " writes\n"); |
| printf(" --section=name\tOnly run specified section in job file," |
| " multiple sections can be specified\n"); |
| printf(" --alloc-size=kb\tSet smalloc pool to this size in kb" |
| " (def 16384)\n"); |
| printf(" --warnings-fatal\tFio parser warnings are fatal\n"); |
| printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n"); |
| printf(" --server=args\t\tStart a backend fio server\n"); |
| printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n"); |
| printf(" --client=hostname\tTalk to remote backend(s) fio server at hostname\n"); |
| printf(" --remote-config=file\tTell fio server to load this local job file\n"); |
| printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n" |
| "\t\t\t(option=system,percpu) or run unit work\n" |
| "\t\t\tcalibration only (option=calibrate)\n"); |
| #ifdef CONFIG_ZLIB |
| printf(" --inflate-log=log\tInflate and output compressed log\n"); |
| #endif |
| printf(" --trigger-file=file\tExecute trigger cmd when file exists\n"); |
| printf(" --trigger-timeout=t\tExecute trigger at this time\n"); |
| printf(" --trigger=cmd\t\tSet this command as local trigger\n"); |
| printf(" --trigger-remote=cmd\tSet this command as remote trigger\n"); |
| printf(" --aux-path=path\tUse this path for fio state generated files\n"); |
| printf("\nFio was written by Jens Axboe <axboe@kernel.dk>\n"); |
| } |
| |
| #ifdef FIO_INC_DEBUG |
| const struct debug_level debug_levels[] = { |
| { .name = "process", |
| .help = "Process creation/exit logging", |
| .shift = FD_PROCESS, |
| }, |
| { .name = "file", |
| .help = "File related action logging", |
| .shift = FD_FILE, |
| }, |
| { .name = "io", |
| .help = "IO and IO engine action logging (offsets, queue, completions, etc)", |
| .shift = FD_IO, |
| }, |
| { .name = "mem", |
| .help = "Memory allocation/freeing logging", |
| .shift = FD_MEM, |
| }, |
| { .name = "blktrace", |
| .help = "blktrace action logging", |
| .shift = FD_BLKTRACE, |
| }, |
| { .name = "verify", |
| .help = "IO verification action logging", |
| .shift = FD_VERIFY, |
| }, |
| { .name = "random", |
| .help = "Random generation logging", |
| .shift = FD_RANDOM, |
| }, |
| { .name = "parse", |
| .help = "Parser logging", |
| .shift = FD_PARSE, |
| }, |
| { .name = "diskutil", |
| .help = "Disk utility logging actions", |
| .shift = FD_DISKUTIL, |
| }, |
| { .name = "job", |
| .help = "Logging related to creating/destroying jobs", |
| .shift = FD_JOB, |
| }, |
| { .name = "mutex", |
| .help = "Mutex logging", |
| .shift = FD_MUTEX |
| }, |
| { .name = "profile", |
| .help = "Logging related to profiles", |
| .shift = FD_PROFILE, |
| }, |
| { .name = "time", |
| .help = "Logging related to time keeping functions", |
| .shift = FD_TIME, |
| }, |
| { .name = "net", |
| .help = "Network logging", |
| .shift = FD_NET, |
| }, |
| { .name = "rate", |
| .help = "Rate logging", |
| .shift = FD_RATE, |
| }, |
| { .name = "compress", |
| .help = "Log compression logging", |
| .shift = FD_COMPRESS, |
| }, |
| { .name = "steadystate", |
| .help = "Steady state detection logging", |
| .shift = FD_STEADYSTATE, |
| }, |
| { .name = "helperthread", |
| .help = "Helper thread logging", |
| .shift = FD_HELPERTHREAD, |
| }, |
| { .name = NULL, }, |
| }; |
| |
| static int set_debug(const char *string) |
| { |
| const struct debug_level *dl; |
| char *p = (char *) string; |
| char *opt; |
| int i; |
| |
| if (!string) |
| return 0; |
| |
| if (!strcmp(string, "?") || !strcmp(string, "help")) { |
| 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 1; |
| } |
| |
| while ((opt = strsep(&p, ",")) != NULL) { |
| int found = 0; |
| |
| if (!strncmp(opt, "all", 3)) { |
| log_info("fio: set all debug options\n"); |
| fio_debug = ~0UL; |
| continue; |
| } |
| |
| for (i = 0; debug_levels[i].name; i++) { |
| dl = &debug_levels[i]; |
| found = !strncmp(opt, dl->name, strlen(dl->name)); |
| if (!found) |
| continue; |
| |
| if (dl->shift == FD_JOB) { |
| opt = strchr(opt, ':'); |
| if (!opt) { |
| log_err("fio: missing job number\n"); |
| break; |
| } |
| opt++; |
| fio_debug_jobno = atoi(opt); |
| log_info("fio: set debug jobno %d\n", |
| fio_debug_jobno); |
| } else { |
| log_info("fio: set debug option %s\n", opt); |
| fio_debug |= (1UL << dl->shift); |
| } |
| break; |
| } |
| |
| if (!found) |
| log_err("fio: debug mask %s not found\n", opt); |
| } |
| return 0; |
| } |
| #else |
| static int set_debug(const char *string) |
| { |
| log_err("fio: debug tracing not included in build\n"); |
| return 1; |
| } |
| #endif |
| |
| static void fio_options_fill_optstring(void) |
| { |
| char *ostr = cmd_optstr; |
| int i, c; |
| |
| c = i = 0; |
| while (l_opts[i].name) { |
| ostr[c++] = l_opts[i].val; |
| if (l_opts[i].has_arg == required_argument) |
| ostr[c++] = ':'; |
| else if (l_opts[i].has_arg == optional_argument) { |
| ostr[c++] = ':'; |
| ostr[c++] = ':'; |
| } |
| i++; |
| } |
| ostr[c] = '\0'; |
| } |
| |
| static int client_flag_set(char c) |
| { |
| int i; |
| |
| i = 0; |
| while (l_opts[i].name) { |
| int val = l_opts[i].val; |
| |
| if (c == (val & 0xff)) |
| return (val & FIO_CLIENT_FLAG); |
| |
| i++; |
| } |
| |
| return 0; |
| } |
| |
| static void parse_cmd_client(void *client, char *opt) |
| { |
| fio_client_add_cmd_option(client, opt); |
| } |
| |
| static void show_closest_option(const char *name) |
| { |
| int best_option, best_distance; |
| int i, distance; |
| |
| while (*name == '-') |
| name++; |
| |
| best_option = -1; |
| best_distance = INT_MAX; |
| i = 0; |
| while (l_opts[i].name) { |
| distance = string_distance(name, l_opts[i].name); |
| if (distance < best_distance) { |
| best_distance = distance; |
| best_option = i; |
| } |
| i++; |
| } |
| |
| if (best_option != -1 && string_distance_ok(name, best_distance)) |
| log_err("Did you mean %s?\n", l_opts[best_option].name); |
| } |
| |
| static int parse_output_format(const char *optarg) |
| { |
| char *p, *orig, *opt; |
| int ret = 0; |
| |
| p = orig = strdup(optarg); |
| |
| output_format = 0; |
| |
| while ((opt = strsep(&p, ",")) != NULL) { |
| if (!strcmp(opt, "minimal") || |
| !strcmp(opt, "terse") || |
| !strcmp(opt, "csv")) |
| output_format |= FIO_OUTPUT_TERSE; |
| else if (!strcmp(opt, "json")) |
| output_format |= FIO_OUTPUT_JSON; |
| else if (!strcmp(opt, "json+")) |
| output_format |= (FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS); |
| else if (!strcmp(opt, "normal")) |
| output_format |= FIO_OUTPUT_NORMAL; |
| else { |
| log_err("fio: invalid output format %s\n", opt); |
| ret = 1; |
| break; |
| } |
| } |
| |
| free(orig); |
| return ret; |
| } |
| |
| int parse_cmd_line(int argc, char *argv[], int client_type) |
| { |
| struct thread_data *td = NULL; |
| int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
| char *ostr = cmd_optstr; |
| char *pid_file = NULL; |
| void *cur_client = NULL; |
| int backend = 0; |
| |
| /* |
| * Reset optind handling, since we may call this multiple times |
| * for the backend. |
| */ |
| optind = 1; |
| |
| while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
| if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { |
| parse_cmd_client(cur_client, argv[optind - 1]); |
| c &= ~FIO_CLIENT_FLAG; |
| } |
| |
| switch (c) { |
| case 'a': |
| smalloc_pool_size = atoi(optarg); |
| smalloc_pool_size <<= 10; |
| sinit(); |
| break; |
| case 'l': |
| log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n"); |
| do_exit++; |
| exit_val = 1; |
| break; |
| case 'b': |
| write_bw_log = 1; |
| break; |
| case 'o': { |
| FILE *tmp; |
| |
| if (f_out && f_out != stdout) |
| fclose(f_out); |
| |
| tmp = fopen(optarg, "w+"); |
| if (!tmp) { |
| log_err("fio: output file open error: %s\n", strerror(errno)); |
| exit_val = 1; |
| do_exit++; |
| break; |
| } |
| f_err = f_out = tmp; |
| break; |
| } |
| case 'm': |
| output_format = FIO_OUTPUT_TERSE; |
| break; |
| case 'F': |
| if (parse_output_format(optarg)) { |
| log_err("fio: failed parsing output-format\n"); |
| exit_val = 1; |
| do_exit++; |
| break; |
| } |
| break; |
| case 'f': |
| output_format |= FIO_OUTPUT_TERSE; |
| break; |
| case 'h': |
| did_arg = true; |
| if (!cur_client) { |
| usage(argv[0]); |
| do_exit++; |
| } |
| break; |
| case 'c': |
| did_arg = true; |
| if (!cur_client) { |
| fio_show_option_help(optarg); |
| do_exit++; |
| } |
| break; |
| case 'i': |
| did_arg = true; |
| if (!cur_client) { |
| fio_show_ioengine_help(optarg); |
| do_exit++; |
| } |
| break; |
| case 's': |
| did_arg = true; |
| dump_cmdline = 1; |
| break; |
| case 'r': |
| read_only = 1; |
| break; |
| case 'v': |
| did_arg = true; |
| if (!cur_client) { |
| log_info("%s\n", fio_version_string); |
| do_exit++; |
| } |
| break; |
| case 'V': |
| terse_version = atoi(optarg); |
| if (!(terse_version >= 2 && terse_version <= 5)) { |
| log_err("fio: bad terse version format\n"); |
| exit_val = 1; |
| do_exit++; |
| } |
| break; |
| case 'e': |
| if (!strcmp("always", optarg)) |
| eta_print = FIO_ETA_ALWAYS; |
| else if (!strcmp("never", optarg)) |
| eta_print = FIO_ETA_NEVER; |
| break; |
| case 'E': { |
| long long t = 0; |
| |
| if (check_str_time(optarg, &t, 1)) { |
| log_err("fio: failed parsing eta time %s\n", optarg); |
| exit_val = 1; |
| do_exit++; |
| break; |
| } |
| eta_new_line = t / 1000; |
| if (!eta_new_line) { |
| log_err("fio: eta new line time too short\n"); |
| exit_val = 1; |
| do_exit++; |
| } |
| break; |
| } |
| case 'O': { |
| long long t = 0; |
| |
| if (check_str_time(optarg, &t, 1)) { |
| log_err("fio: failed parsing eta interval %s\n", optarg); |
| exit_val = 1; |
| do_exit++; |
| break; |
| } |
| eta_interval_msec = t / 1000; |
| if (eta_interval_msec < DISK_UTIL_MSEC) { |
| log_err("fio: eta interval time too short (%umsec min)\n", DISK_UTIL_MSEC); |
| exit_val = 1; |
| do_exit++; |
| } |
| break; |
| } |
| case 'd': |
| if (set_debug(optarg)) |
| do_exit++; |
| break; |
| case 'P': |
| did_arg = true; |
| parse_only = 1; |
| break; |
| case 'x': { |
| size_t new_size; |
| |
| if (!strcmp(optarg, "global")) { |
| log_err("fio: can't use global as only " |
| "section\n"); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| new_size = (nr_job_sections + 1) * sizeof(char *); |
| job_sections = realloc(job_sections, new_size); |
| job_sections[nr_job_sections] = strdup(optarg); |
| nr_job_sections++; |
| break; |
| } |
| #ifdef CONFIG_ZLIB |
| case 'X': |
| exit_val = iolog_file_inflate(optarg); |
| did_arg = true; |
| do_exit++; |
| break; |
| #endif |
| case 'p': |
| did_arg = true; |
| if (exec_profile) |
| free(exec_profile); |
| exec_profile = strdup(optarg); |
| break; |
| case FIO_GETOPT_JOB: { |
| const char *opt = l_opts[lidx].name; |
| char *val = optarg; |
| |
| if (!strncmp(opt, "name", 4) && td) { |
| ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); |
| if (ret) |
| goto out_free; |
| td = NULL; |
| did_arg = true; |
| } |
| if (!td) { |
| int is_section = !strncmp(opt, "name", 4); |
| int global = 0; |
| |
| if (!is_section || !strncmp(val, "global", 6)) |
| global = 1; |
| |
| if (is_section && skip_this_section(val)) |
| continue; |
| |
| td = get_new_job(global, &def_thread, true, NULL); |
| if (!td || ioengine_load(td)) { |
| if (td) { |
| put_job(td); |
| td = NULL; |
| } |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| fio_options_set_ioengine_opts(l_opts, td); |
| } |
| |
| if ((!val || !strlen(val)) && |
| l_opts[lidx].has_arg == required_argument) { |
| log_err("fio: option %s requires an argument\n", opt); |
| ret = 1; |
| } else |
| ret = fio_cmd_option_parse(td, opt, val); |
| |
| if (ret) { |
| if (td) { |
| put_job(td); |
| td = NULL; |
| } |
| do_exit++; |
| exit_val = 1; |
| } |
| |
| if (!ret && !strcmp(opt, "ioengine")) { |
| if (ioengine_load(td)) { |
| put_job(td); |
| td = NULL; |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| fio_options_set_ioengine_opts(l_opts, td); |
| } |
| break; |
| } |
| case FIO_GETOPT_IOENGINE: { |
| const char *opt = l_opts[lidx].name; |
| char *val = optarg; |
| |
| if (!td) |
| break; |
| |
| ret = fio_cmd_ioengine_option_parse(td, opt, val); |
| break; |
| } |
| case 'w': |
| warnings_fatal = 1; |
| break; |
| case 'j': |
| max_jobs = atoi(optarg); |
| if (!max_jobs || max_jobs > REAL_MAX_JOBS) { |
| log_err("fio: invalid max jobs: %d\n", max_jobs); |
| do_exit++; |
| exit_val = 1; |
| } |
| break; |
| case 'S': |
| did_arg = true; |
| #ifndef CONFIG_NO_SHM |
| if (nr_clients) { |
| log_err("fio: can't be both client and server\n"); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| if (optarg) |
| fio_server_set_arg(optarg); |
| is_backend = 1; |
| backend = 1; |
| #else |
| log_err("fio: client/server requires SHM support\n"); |
| do_exit++; |
| exit_val = 1; |
| #endif |
| break; |
| case 'D': |
| if (pid_file) |
| free(pid_file); |
| pid_file = strdup(optarg); |
| break; |
| case 'I': |
| if ((ret = fio_idle_prof_parse_opt(optarg))) { |
| /* exit on error and calibration only */ |
| did_arg = true; |
| do_exit++; |
| if (ret == -1) |
| exit_val = 1; |
| } |
| break; |
| case 'C': |
| did_arg = true; |
| if (is_backend) { |
| log_err("fio: can't be both client and server\n"); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| /* if --client parameter contains a pathname */ |
| if (0 == access(optarg, R_OK)) { |
| /* file contains a list of host addrs or names */ |
| char hostaddr[PATH_MAX] = {0}; |
| char formatstr[8]; |
| FILE * hostf = fopen(optarg, "r"); |
| if (!hostf) { |
| log_err("fio: could not open client list file %s for read\n", optarg); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| sprintf(formatstr, "%%%ds", PATH_MAX - 1); |
| /* |
| * read at most PATH_MAX-1 chars from each |
| * record in this file |
| */ |
| while (fscanf(hostf, formatstr, hostaddr) == 1) { |
| /* expect EVERY host in file to be valid */ |
| if (fio_client_add(&fio_client_ops, hostaddr, &cur_client)) { |
| log_err("fio: failed adding client %s from file %s\n", hostaddr, optarg); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| } |
| fclose(hostf); |
| break; /* no possibility of job file for "this client only" */ |
| } |
| if (fio_client_add(&fio_client_ops, optarg, &cur_client)) { |
| log_err("fio: failed adding client %s\n", optarg); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| /* |
| * If the next argument exists and isn't an option, |
| * assume it's a job file for this client only. |
| */ |
| while (optind < argc) { |
| if (!strncmp(argv[optind], "--", 2) || |
| !strncmp(argv[optind], "-", 1)) |
| break; |
| |
| if (fio_client_add_ini_file(cur_client, argv[optind], false)) |
| break; |
| optind++; |
| } |
| break; |
| case 'R': |
| did_arg = true; |
| if (fio_client_add_ini_file(cur_client, optarg, true)) { |
| do_exit++; |
| exit_val = 1; |
| } |
| break; |
| case 'T': |
| did_arg = true; |
| do_exit++; |
| exit_val = fio_monotonic_clocktest(1); |
| break; |
| case 'G': |
| did_arg = true; |
| do_exit++; |
| exit_val = fio_crctest(optarg); |
| break; |
| case 'M': |
| did_arg = true; |
| do_exit++; |
| exit_val = fio_memcpy_test(optarg); |
| break; |
| case 'L': { |
| long long val; |
| |
| if (check_str_time(optarg, &val, 1)) { |
| log_err("fio: failed parsing time %s\n", optarg); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| if (val < 1000) { |
| log_err("fio: status interval too small\n"); |
| do_exit++; |
| exit_val = 1; |
| } |
| status_interval = val / 1000; |
| break; |
| } |
| case 'W': |
| if (trigger_file) |
| free(trigger_file); |
| trigger_file = strdup(optarg); |
| break; |
| case 'H': |
| if (trigger_cmd) |
| free(trigger_cmd); |
| trigger_cmd = strdup(optarg); |
| break; |
| case 'J': |
| if (trigger_remote_cmd) |
| free(trigger_remote_cmd); |
| trigger_remote_cmd = strdup(optarg); |
| break; |
| case 'K': |
| if (aux_path) |
| free(aux_path); |
| aux_path = strdup(optarg); |
| break; |
| case 'B': |
| if (check_str_time(optarg, &trigger_timeout, 1)) { |
| log_err("fio: failed parsing time %s\n", optarg); |
| do_exit++; |
| exit_val = 1; |
| } |
| trigger_timeout /= 1000000; |
| break; |
| case '?': |
| log_err("%s: unrecognized option '%s'\n", argv[0], |
| argv[optind - 1]); |
| show_closest_option(argv[optind - 1]); |
| default: |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| if (do_exit) |
| break; |
| } |
| |
| if (do_exit && !(is_backend || nr_clients)) |
| exit(exit_val); |
| |
| if (nr_clients && fio_clients_connect()) |
| exit(1); |
| |
| if (is_backend && backend) |
| return fio_start_server(pid_file); |
| else if (pid_file) |
| free(pid_file); |
| |
| if (td) { |
| if (!ret) { |
| ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); |
| if (ret) |
| exit(1); |
| } |
| } |
| |
| while (!ret && optind < argc) { |
| ini_idx++; |
| ini_file = realloc(ini_file, ini_idx * sizeof(char *)); |
| ini_file[ini_idx - 1] = strdup(argv[optind]); |
| optind++; |
| } |
| |
| out_free: |
| return ini_idx; |
| } |
| |
| int fio_init_options(void) |
| { |
| f_out = stdout; |
| f_err = stderr; |
| |
| fio_options_fill_optstring(); |
| fio_options_dup_and_init(l_opts); |
| |
| atexit(free_shm); |
| |
| if (fill_def_thread()) |
| return 1; |
| |
| return 0; |
| } |
| |
| extern int fio_check_options(struct thread_options *); |
| |
| int parse_options(int argc, char *argv[]) |
| { |
| const int type = FIO_CLIENT_TYPE_CLI; |
| int job_files, i; |
| |
| if (fio_init_options()) |
| return 1; |
| if (fio_test_cconv(&def_thread.o)) |
| log_err("fio: failed internal cconv test\n"); |
| |
| job_files = parse_cmd_line(argc, argv, type); |
| |
| if (job_files > 0) { |
| for (i = 0; i < job_files; i++) { |
| if (i && fill_def_thread()) |
| return 1; |
| if (nr_clients) { |
| if (fio_clients_send_ini(ini_file[i])) |
| return 1; |
| free(ini_file[i]); |
| } else if (!is_backend) { |
| if (parse_jobs_ini(ini_file[i], 0, i, type)) |
| return 1; |
| free(ini_file[i]); |
| } |
| } |
| } else if (nr_clients) { |
| if (fill_def_thread()) |
| return 1; |
| if (fio_clients_send_ini(NULL)) |
| return 1; |
| } |
| |
| free(ini_file); |
| fio_options_free(&def_thread); |
| filesetup_mem_free(); |
| |
| if (!thread_number) { |
| if (parse_dryrun()) |
| return 0; |
| if (exec_profile) |
| return 0; |
| if (is_backend || nr_clients) |
| return 0; |
| if (did_arg) |
| return 0; |
| |
| log_err("No job(s) defined\n\n"); |
| usage(argv[0]); |
| return 1; |
| } |
| |
| if (output_format & FIO_OUTPUT_NORMAL) |
| log_info("%s\n", fio_version_string); |
| |
| return 0; |
| } |
| |
| void options_default_fill(struct thread_options *o) |
| { |
| memcpy(o, &def_thread.o, sizeof(*o)); |
| } |
| |
| struct thread_data *get_global_options(void) |
| { |
| return &def_thread; |
| } |