Fio 2.2.2

[fio.git] / init.c

diff --git a/init.c b/init.c
index 4f66759b59b551ea0364231c45e7e61110b85ca0..d3dec0a17ebe91d52540cd196f26fb1592a6c9b3 100644 (file)
--- a/init.c
+++ b/init.c
@@ -758,6 +758,12 @@ static int fixup_options(struct thread_data *td)
                ret = 1;
        }
 
+       if (fio_option_is_set(o, gtod_cpu)) {
+               fio_gtod_init();
+               fio_gtod_set_cpu(o->gtod_cpu);
+               fio_gtod_offload = 1;
+       }
+
        return ret;
 }
 
@@ -926,7 +932,17 @@ static void init_flags(struct thread_data *td)
                td->flags |= TD_F_READ_IOLOG;
        if (o->refill_buffers)
                td->flags |= TD_F_REFILL_BUFFERS;
-       if (o->scramble_buffers)
+       /*
+        * 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)))
                td->flags |= TD_F_SCRAMBLE_BUFFERS;
        if (o->verify != VERIFY_NONE)
                td->flags |= TD_F_VER_NONE;
@@ -1875,6 +1891,30 @@ static void parse_cmd_client(void *client, char *opt)
        fio_client_add_cmd_option(client, opt);
 }
 
+static void show_closest_option(const char *name)
+{
+       int best_option, best_distance;
+       int i, distance;
+
+       while (*name == '-')
+               name++;
+
+       best_option = -1;
+       best_distance = INT_MAX;
+       i = 0;
+       while (l_opts[i].name) {
+               distance = string_distance(name, l_opts[i].name);
+               if (distance < best_distance) {
+                       best_distance = distance;
+                       best_option = i;
+               }
+               i++;
+       }
+
+       if (best_option != -1)
+               log_err("Did you mean %s?\n", l_opts[best_option].name);
+}
+
 int parse_cmd_line(int argc, char *argv[], int client_type)
 {
        struct thread_data *td = NULL;
@@ -2237,6 +2277,7 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                case '?':
                        log_err("%s: unrecognized option '%s'\n", argv[0],
                                                        argv[optind - 1]);
+                       show_closest_option(argv[optind - 1]);
                default:
                        do_exit++;
                        exit_val = 1;
@@ -2354,12 +2395,6 @@ int parse_options(int argc, char *argv[])
                return 0;
        }
 
-       if (def_thread.o.gtod_offload) {
-               fio_gtod_init();
-               fio_gtod_offload = 1;
-               fio_gtod_cpu = def_thread.o.gtod_cpu;
-       }
-
        if (output_format == FIO_OUTPUT_NORMAL)
                log_info("%s\n", fio_version_string);