init: cleanup random inits
[fio.git] / init.c
diff --git a/init.c b/init.c
index c7ce2cc0df2c7858ac75e4db962aa633b3566b2a..7166ea766d8a669bddf619dd105b3b8ce6b3f58d 100644 (file)
--- a/init.c
+++ b/init.c
@@ -919,19 +919,42 @@ static int exists_and_not_file(const char *filename)
        return 1;
 }
 
-static void td_fill_rand_seeds_internal(struct thread_data *td, int use64)
+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);
+       }
+}
+
+static void td_fill_rand_seeds_internal(struct thread_data *td, bool use64)
+{
+       int i;
+
        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);
+       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, td->rand_seeds[FIO_RAND_POISSON_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;
@@ -940,14 +963,17 @@ static void td_fill_rand_seeds_internal(struct thread_data *td, int use64)
                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);
-       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);
+
+       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)
 {
-       int use64;
+       bool use64;
 
        if (td->o.allrand_repeatable) {
                unsigned int i;
@@ -966,8 +992,6 @@ void td_fill_rand_seeds(struct thread_data *td)
 
        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], use64);
 }
 
 /*
@@ -1074,7 +1098,7 @@ static int setup_random_seeds(struct thread_data *td)
                seed *= 0x9e370001UL;
 
        for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
-               td->rand_seeds[i] = seed;
+               td->rand_seeds[i] = seed * td->thread_number + i;
                seed *= 0x9e370001UL;
        }
 
@@ -1411,6 +1435,11 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                };
                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;
+
                if (p.log_gz_store)
                        suf = "log.fz";
                else
@@ -1431,6 +1460,11 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                };
                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;
+
                if (p.log_gz_store)
                        suf = "log.fz";
                else
@@ -2547,14 +2581,14 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                                    !strncmp(argv[optind], "-", 1))
                                        break;
 
-                               if (fio_client_add_ini_file(cur_client, argv[optind], 0))
+                               if (fio_client_add_ini_file(cur_client, argv[optind], false))
                                        break;
                                optind++;
                        }
                        break;
                case 'R':
                        did_arg = 1;
-                       if (fio_client_add_ini_file(cur_client, optarg, 1)) {
+                       if (fio_client_add_ini_file(cur_client, optarg, true)) {
                                do_exit++;
                                exit_val = 1;
                        }