init: log error on missing --output-format argument
[fio.git] / init.c
diff --git a/init.c b/init.c
index 4dd0c9ae13a38e3d66af6f1b782b03f464daeddd..6c48d3ad8a9cd278b9dbf911a2436192f28a61aa 100644 (file)
--- a/init.c
+++ b/init.c
@@ -100,7 +100,7 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
        },
        {
                .name           = (char *) "minimal",
-               .has_arg        = optional_argument,
+               .has_arg        = no_argument,
                .val            = 'm' | FIO_CLIENT_FLAG,
        },
        {
@@ -635,6 +635,12 @@ static int fixup_options(struct thread_data *td)
        if (td->o.oatomic)
                td->o.odirect = 1;
 
+       /*
+        * If randseed is set, that overrides randrepeat
+        */
+       if (td->o.rand_seed)
+               td->o.rand_repeatable = 0;
+
        return ret;
 }
 
@@ -830,10 +836,15 @@ static int setup_random_seeds(struct thread_data *td)
        unsigned long seed;
        unsigned int i;
 
-       if (!td->o.rand_repeatable)
+       if (!td->o.rand_repeatable && !td->o.rand_seed)
                return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
 
-       for (seed = 0x89, i = 0; i < 4; i++)
+       if (!td->o.rand_seed)
+               seed = 0x89;
+       else
+               seed = td->o.rand_seed;
+
+       for (i = 0; i < 4; i++)
                seed *= 0x9e370001UL;
 
        for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
@@ -1382,7 +1393,7 @@ static void usage(const char *name)
        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\n");
+               "\t\t\tdiskutil,job,mutex,profile,time,net,rate\n");
        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");
@@ -1421,7 +1432,8 @@ static void usage(const char *name)
                "\t\t\t(option=system,percpu) or run unit work\n"
                "\t\t\tcalibration only (option=calibrate)\n");
        printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
-       printf("\n                   Jens Axboe <jaxboe@fusionio.com>\n");
+       printf("\n                   Jens Axboe <jaxboe@fusionio.com>");
+       printf("\n                   Jens Axboe <axboe@fb.com>\n");
 }
 
 #ifdef FIO_INC_DEBUG
@@ -1482,6 +1494,10 @@ struct debug_level debug_levels[] = {
          .help = "Network logging",
          .shift = FD_NET,
        },
+       { .name = "rate",
+         .help = "Rate logging",
+         .shift = FD_RATE,
+       },
        { .name = NULL, },
 };
 
@@ -1636,6 +1652,12 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        output_format = FIO_OUTPUT_TERSE;
                        break;
                case 'F':
+                       if (!optarg) {
+                               log_err("fio: missing --output-format argument\n");
+                               exit_val = 1;
+                               do_exit++;
+                               break;
+                       }
                        if (!strcmp(optarg, "minimal") ||
                            !strcmp(optarg, "terse") ||
                            !strcmp(optarg, "csv"))