Introduce new option: iodepth_batch_complete_max
[fio.git] / init.c
diff --git a/init.c b/init.c
index 427768c3531669999f04b044fa991764dbce2d76..3f72b36688b132932211e3c9ea162ab9d9fe4cd6 100644 (file)
--- a/init.c
+++ b/init.c
@@ -69,6 +69,8 @@ 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;
@@ -266,6 +268,11 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
                .has_arg        = required_argument,
                .val            = 'J',
        },
+       {
+               .name           = (char *) "aux-path",
+               .has_arg        = required_argument,
+               .val            = 'K',
+       },
        {
                .name           = NULL,
        },
@@ -458,14 +465,15 @@ static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
        if (td->o.rate[ddir])
                td->rate_bps[ddir] = td->o.rate[ddir];
        else
-               td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
+               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_pending_usleep[ddir] = 0;
+       td->rate_next_io_time[ddir] = 0;
+       td->rate_io_issue_bytes[ddir] = 0;
        return 0;
 }
 
@@ -496,12 +504,14 @@ static int fixed_block_size(struct thread_options *o)
 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 = (unsigned long long) ((double) delayrange * (r / (frand_max + 1.0)));
 
        delayrange += td->o.start_delay;
        return delayrange;
@@ -596,8 +606,7 @@ static int fixup_options(struct thread_data *td)
        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;
+                       "verify limited\n");
                ret = warnings_fatal;
        }
        if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
@@ -621,6 +630,13 @@ static int fixup_options(struct thread_data *td)
        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;
+
        if (o->nr_files > td->files_index)
                o->nr_files = td->files_index;
 
@@ -634,12 +650,12 @@ static int fixup_options(struct thread_data *td)
                log_err("fio: rate and rate_iops are mutually exclusive\n");
                ret = 1;
        }
-       if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) ||
-           (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) ||
-           (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) ||
-           (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) ||
-           (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) ||
-           (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) {
+       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;
        }
@@ -661,7 +677,9 @@ static int fixup_options(struct thread_data *td)
                        ret = warnings_fatal;
                }
 
-               o->refill_buffers = 1;
+               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];
@@ -750,7 +768,7 @@ static int fixup_options(struct thread_data *td)
        /*
         * If randseed is set, that overrides randrepeat
         */
-       if (td->o.rand_seed)
+       if (fio_option_is_set(&td->o, rand_seed))
                td->o.rand_repeatable = 0;
 
        if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
@@ -764,6 +782,17 @@ static int fixup_options(struct thread_data *td)
                fio_gtod_offload = 1;
        }
 
+       td->loops = o->loops;
+       if (!td->loops)
+               td->loops = 1;
+
+       if (td->o.block_error_hist && td->o.nr_files != 1) {
+               log_err("fio: block error histogram only available with "
+                       "with a single file per job, but %d files "
+                       "provided\n", td->o.nr_files);
+               ret = 1;
+       }
+
        return ret;
 }
 
@@ -817,18 +846,18 @@ static int exists_and_not_file(const char *filename)
        return 1;
 }
 
-static void td_fill_rand_seeds_internal(struct thread_data *td)
+static void td_fill_rand_seeds_internal(struct thread_data *td, int use64)
 {
-       init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
-       init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
-       init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
+       init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF], use64);
+       init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF], use64);
+       init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], use64);
 
        if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
-               init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
+               init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF], use64);
 
-       init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
-       init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
-       init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY]);
+       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);
 
        if (!td_random(td))
                return;
@@ -836,14 +865,16 @@ static void td_fill_rand_seeds_internal(struct thread_data *td)
        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]);
-       init_rand_seed(&td->seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]);
-       init_rand_seed(&td->seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]);
-       init_rand_seed(&td->seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]);
+       init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF], use64);
+       init_rand_seed(&td->seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], use64);
+       init_rand_seed(&td->seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF], use64);
+       init_rand_seed(&td->seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF], use64);
 }
 
 void td_fill_rand_seeds(struct thread_data *td)
 {
+       int use64;
+
        if (td->o.allrand_repeatable) {
                unsigned int i;
 
@@ -852,12 +883,17 @@ void td_fill_rand_seeds(struct thread_data *td)
                                + i;
        }
 
-       td_fill_rand_seeds_internal(td);
+       if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
+               use64 = 1;
+       else
+               use64 = 0;
+
+       td_fill_rand_seeds_internal(td, use64);
 
-       init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
+       init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF], use64);
        frand_copy(&td->buf_state_prev, &td->buf_state);
 
-       init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF]);
+       init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], use64);
 }
 
 /*
@@ -933,15 +969,22 @@ static void init_flags(struct thread_data *td)
        if (o->refill_buffers)
                td->flags |= TD_F_REFILL_BUFFERS;
        /*
-        * Scramble by default, but not if zero_buffer is true and has been
-        * set. But if scramble_buffers has been set, always scramble.
+        * 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)) ||
-           fio_option_is_set(o, scramble_buffers)))
+       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_VER_NONE;
+
+       if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD)
+               td->flags |= TD_F_NEED_LOCK;
 }
 
 static int setup_random_seeds(struct thread_data *td)
@@ -949,14 +992,10 @@ static int setup_random_seeds(struct thread_data *td)
        unsigned long seed;
        unsigned int i;
 
-       if (!td->o.rand_repeatable && !td->o.rand_seed)
+       if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed))
                return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
 
-       if (!td->o.rand_seed)
-               seed = 0x89;
-       else
-               seed = td->o.rand_seed;
-
+       seed = td->o.rand_seed;
        for (i = 0; i < 4; i++)
                seed *= 0x9e370001UL;
 
@@ -1032,8 +1071,14 @@ static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
                                ret = snprintf(dst, dst_left, "%s", jobname);
                                if (ret < 0)
                                        break;
-                               dst += ret;
-                               dst_left -= ret;
+                               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: {
@@ -1042,8 +1087,14 @@ static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
                                ret = snprintf(dst, dst_left, "%d", jobnum);
                                if (ret < 0)
                                        break;
-                               dst += ret;
-                               dst_left -= ret;
+                               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: {
@@ -1052,8 +1103,14 @@ static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
                                ret = snprintf(dst, dst_left, "%d", filenum);
                                if (ret < 0)
                                        break;
-                               dst += ret;
-                               dst_left -= ret;
+                               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:
@@ -1076,6 +1133,16 @@ int 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);
+}
+
 /*
  * Adds a job to the list of things todo. Sanitizes the various options
  * to make sure we don't have conflicts, and initializes various
@@ -1194,14 +1261,16 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                else
                        suf = "log";
 
-               snprintf(logname, sizeof(logname), "%s_lat.%d.%s",
-                               o->lat_log_file, td->thread_number, suf);
+               gen_log_name(logname, sizeof(logname), "lat", o->lat_log_file,
+                               td->thread_number, suf, o->per_job_logs);
                setup_log(&td->lat_log, &p, logname);
-               snprintf(logname, sizeof(logname), "%s_slat.%d.%s",
-                               o->lat_log_file, td->thread_number, suf);
+
+               gen_log_name(logname, sizeof(logname), "slat", o->lat_log_file,
+                               td->thread_number, suf, o->per_job_logs);
                setup_log(&td->slat_log, &p, logname);
-               snprintf(logname, sizeof(logname), "%s_clat.%d.%s",
-                               o->lat_log_file, td->thread_number, suf);
+
+               gen_log_name(logname, sizeof(logname), "clat", o->lat_log_file,
+                               td->thread_number, suf, o->per_job_logs);
                setup_log(&td->clat_log, &p, logname);
        }
        if (o->bw_log_file) {
@@ -1220,8 +1289,8 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                else
                        suf = "log";
 
-               snprintf(logname, sizeof(logname), "%s_bw.%d.%s",
-                               o->bw_log_file, td->thread_number, suf);
+               gen_log_name(logname, sizeof(logname), "bw", o->bw_log_file,
+                               td->thread_number, suf, o->per_job_logs);
                setup_log(&td->bw_log, &p, logname);
        }
        if (o->iops_log_file) {
@@ -1240,8 +1309,8 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                else
                        suf = "log";
 
-               snprintf(logname, sizeof(logname), "%s_iops.%d.%s",
-                               o->iops_log_file, td->thread_number, suf);
+               gen_log_name(logname, sizeof(logname), "iops", o->iops_log_file,
+                               td->thread_number, suf, o->per_job_logs);
                setup_log(&td->iops_log, &p, logname);
        }
 
@@ -1658,13 +1727,41 @@ static int fill_def_thread(void)
        return 0;
 }
 
+static void show_debug_categories(void)
+{
+       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");
+}
+
 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"
-               "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
-               "\t\t\tdiskutil,job,mutex,profile,time,net,rate,compress\n");
+       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("  --runtime\t\tRuntime in seconds\n");
@@ -1710,6 +1807,7 @@ static void usage(const char *name)
        printf("  --trigger-timeout=t\tExecute trigger af 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 <jens.axboe@oracle.com>");
        printf("\n                   Jens Axboe <jaxboe@fusionio.com>");
        printf("\n                   Jens Axboe <axboe@fb.com>\n");
@@ -1907,7 +2005,7 @@ static void show_closest_option(const char *name)
                i++;
        }
 
-       if (best_option != -1)
+       if (best_option != -1 && string_distance_ok(name, best_distance))
                log_err("Did you mean %s?\n", l_opts[best_option].name);
 }
 
@@ -2110,6 +2208,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                                                td = NULL;
                                        }
                                        do_exit++;
+                                       exit_val = 1;
                                        break;
                                }
                                fio_options_set_ioengine_opts(l_opts, td);
@@ -2128,6 +2227,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                                        td = NULL;
                                }
                                do_exit++;
+                               exit_val = 1;
                        }
 
                        if (!ret && !strcmp(opt, "ioengine")) {
@@ -2136,6 +2236,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                                        put_job(td);
                                        td = NULL;
                                        do_exit++;
+                                       exit_val = 1;
                                        break;
                                }
                                fio_options_set_ioengine_opts(l_opts, td);
@@ -2204,6 +2305,35 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                                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++;
@@ -2234,7 +2364,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                case 'T':
                        did_arg = 1;
                        do_exit++;
-                       exit_val = fio_monotonic_clocktest();
+                       exit_val = fio_monotonic_clocktest(1);
                        break;
                case 'G':
                        did_arg = 1;
@@ -2254,14 +2384,25 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        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);