X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=9f1041c7a4e7b9add4b8b1b6889473b4705b7085;hp=ba5bf2fbf4bb9b55bc61267e7ff0e3e8889bbd04;hb=e7e136da9253290a96ccfbfae5cadaf109b59b3c;hpb=94d8288ef299b544d518da69f21a6df9a04eb086

diff --git a/init.c b/init.c
index ba5bf2fb..9f1041c7 100644
--- a/init.c
+++ b/init.c
@@ -496,12 +496,14 @@ 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;
@@ -827,18 +829,18 @@ 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;
@@ -846,14 +848,16 @@ 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;
 
@@ -862,12 +866,17 @@ 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);
 }
 
 /*
@@ -1107,6 +1116,16 @@ 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
@@ -1225,14 +1244,16 @@ 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) {
@@ -1251,8 +1272,8 @@ 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) {
@@ -1271,8 +1292,8 @@ 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);
 	}