Add new writetrim rw= mode for trims preceding writes

[fio.git] / options.c

diff --git a/options.c b/options.c
index ab6e399db5208d81689c0ec9752fa0a7e4adeda1..d7ce94bb75c7129cf5e4ff2bc663143ef537d63b 100644 (file)
--- a/options.c
+++ b/options.c
@@ -718,6 +718,8 @@ static int str_random_distribution_cb(void *data, const char *str)
                val = FIO_DEF_ZIPF;
        else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
                val = FIO_DEF_PARETO;
+       else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
+               val = 0.0;
        else
                return 0;
 
@@ -736,12 +738,18 @@ static int str_random_distribution_cb(void *data, const char *str)
                        return 1;
                }
                td->o.zipf_theta.u.f = val;
-       } else {
+       } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
                if (val <= 0.00 || val >= 1.00) {
                        log_err("fio: pareto input out of range (0 < input < 1.0)\n");
                        return 1;
                }
                td->o.pareto_h.u.f = val;
+       } else {
+               if (val <= 0.00 || val >= 100.0) {
+                       log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
+                       return 1;
+               }
+               td->o.gauss_dev.u.f = val;
        }
 
        return 0;
@@ -1408,6 +1416,10 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .oval = TD_DDIR_RANDRW,
                            .help = "Random read and write mix"
                          },
+                         { .ival = "writetrim",
+                           .oval = TD_DDIR_WRITETRIM,
+                           .help = "Write and trim mix, trims preceding writes"
+                         },
                },
        },
        {
@@ -1875,6 +1887,10 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .oval = FIO_RAND_DIST_PARETO,
                            .help = "Pareto distribution",
                          },
+                         { .ival = "normal",
+                           .oval = FIO_RAND_DIST_GAUSS,
+                           .help = "Normal (gaussian) distribution",
+                         },
                },
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_RANDOM,
@@ -2005,6 +2021,17 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .category = FIO_OPT_C_FILE,
                .group  = FIO_OPT_G_INVALID,
        },
+#ifdef FIO_HAVE_STREAMID
+       {
+               .name   = "fadvise_stream",
+               .lname  = "Fadvise stream",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(fadvise_stream),
+               .help   = "Use fadvise() to set stream ID",
+               .category = FIO_OPT_C_FILE,
+               .group  = FIO_OPT_G_INVALID,
+       },
+#endif
        {
                .name   = "fsync",
                .lname  = "Fsync",