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;
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;
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;
+ 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);
}
/*
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");