Improve IEC binary and SI decimal prefix handling

[fio.git] / options.c

diff --git a/options.c b/options.c
index 23800753aa33eeb0f094cdfa5ea6c5fa793fa3df..0f2adcd454c57823e59d931ec977052ab65a058d 100644 (file)
--- a/options.c
+++ b/options.c
@@ -4180,20 +4180,20 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .posval = {
                          { .ival = "1024",
                            .oval = 1024,
-                           .help = "Use 1024 as the K base",
+                           .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
                          },
                          { .ival = "1000",
                            .oval = 1000,
-                           .help = "Use 1000 as the K base",
+                           .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
                          },
                },
-               .help   = "How many bytes per KB for reporting (1000 or 1024)",
+               .help   = "Unit prefix interpretation for quantities of data (IEC and SI)",
                .category = FIO_OPT_C_GENERAL,
                .group  = FIO_OPT_G_INVALID,
        },
        {
                .name   = "unit_base",
-               .lname  = "Base unit for reporting (Bits or Bytes)",
+               .lname  = "Unit for quantities of data (Bits or Bytes)",
                .type   = FIO_OPT_INT,
                .off1   = offsetof(struct thread_options, unit_base),
                .prio   = 1,