Pre-load and sort random blocks for pure read verify workloads

[fio.git] / options.c

diff --git a/options.c b/options.c
index ea1ffb13dd8bf95dd0f8c0bb1bbb0a8f257921c0..1760762040c65fb83d0eb10a0466738c514551ec 100644 (file)
--- a/options.c
+++ b/options.c
@@ -370,7 +370,8 @@ static int fio_clock_source_cb(void *data, const char *str)
        struct thread_data *td = data;
 
        fio_clock_source = td->o.clocksource;
-       fio_time_init();
+       fio_clock_source_set = 1;
+       fio_clock_init();
        return 0;
 }
 
@@ -564,7 +565,7 @@ static int str_verify_cpus_allowed_cb(void *data, const char *input)
 }
 #endif
 
-#ifdef FIO_HAVE_LIBNUMA
+#ifdef CONFIG_LIBNUMA
 static int str_numa_cpunodes_cb(void *data, char *input)
 {
        struct thread_data *td = data;
@@ -712,7 +713,7 @@ static int str_fst_cb(void *data, const char *str)
        return 0;
 }
 
-#ifdef FIO_HAVE_SYNC_FILE_RANGE
+#ifdef CONFIG_SYNC_FILE_RANGE
 static int str_sfr_cb(void *data, const char *str)
 {
        struct thread_data *td = data;
@@ -748,12 +749,22 @@ static int str_random_distribution_cb(void *data, const char *str)
                return 1;
        }
 
-       if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
+       free(nr);
+
+       if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
+               if (val == 1.00) {
+                       log_err("fio: zipf theta must different than 1.0\n");
+                       return 1;
+               }
                td->o.zipf_theta = val;
-       else
+       } else {
+               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 = val;
+       }
 
-       free(nr);
        return 0;
 }
 
@@ -1261,12 +1272,12 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          { .ival = "vsync",
                            .help = "Use readv/writev",
                          },
-#ifdef FIO_HAVE_LIBAIO
+#ifdef CONFIG_LIBAIO
                          { .ival = "libaio",
                            .help = "Linux native asynchronous IO",
                          },
 #endif
-#ifdef FIO_HAVE_POSIXAIO
+#ifdef CONFIG_POSIXAIO
                          { .ival = "posixaio",
                            .help = "POSIX asynchronous IO",
                          },
@@ -1284,7 +1295,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          { .ival = "mmap",
                            .help = "Memory mapped IO"
                          },
-#ifdef FIO_HAVE_SPLICE
+#ifdef CONFIG_LINUX_SPLICE
                          { .ival = "splice",
                            .help = "splice/vmsplice based IO",
                          },
@@ -1303,15 +1314,10 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          { .ival = "net",
                            .help = "Network IO",
                          },
-#ifdef FIO_HAVE_SYSLET
-                         { .ival = "syslet-rw",
-                           .help = "syslet enabled async pread/pwrite IO",
-                         },
-#endif
                          { .ival = "cpuio",
                            .help = "CPU cycle burner engine",
                          },
-#ifdef FIO_HAVE_GUASI
+#ifdef CONFIG_GUASI
                          { .ival = "guasi",
                            .help = "GUASI IO engine",
                          },
@@ -1321,12 +1327,12 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                            .help = "binject direct inject block engine",
                          },
 #endif
-#ifdef FIO_HAVE_RDMA
+#ifdef CONFIG_RDMA
                          { .ival = "rdma",
                            .help = "RDMA IO engine",
                          },
 #endif
-#ifdef FIO_HAVE_FUSION_AW
+#ifdef CONFIG_FUSION_AW
                          { .ival = "fusion-aw-sync",
                            .help = "Fusion-io atomic write engine",
                          },
@@ -1501,6 +1507,23 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .parent = "norandommap",
                .def    = "0",
        },
+       {
+               .name   = "random_generator",
+               .type   = FIO_OPT_STR,
+               .off1   = td_var_offset(random_generator),
+               .help   = "Type of random number generator to use",
+               .def    = "tausworthe",
+               .posval = {
+                         { .ival = "tausworthe",
+                           .oval = FIO_RAND_GEN_TAUSWORTHE,
+                           .help = "Strong Tausworthe generator",
+                         },
+                         { .ival = "lfsr",
+                           .oval = FIO_RAND_GEN_LFSR,
+                           .help = "Variable length LFSR",
+                         },
+               },
+       },
        {
                .name   = "random_distribution",
                .type   = FIO_OPT_STR,
@@ -1622,7 +1645,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Make every Nth write a barrier write",
                .def    = "0",
        },
-#ifdef FIO_HAVE_SYNC_FILE_RANGE
+#ifdef CONFIG_SYNC_FILE_RANGE
        {
                .name   = "sync_file_range",
                .posval = {
@@ -1719,14 +1742,18 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .off1   = td_var_offset(clocksource),
                .help   = "What type of timing source to use",
                .posval = {
+#ifdef CONFIG_GETTIMEOFDAY
                          { .ival = "gettimeofday",
                            .oval = CS_GTOD,
                            .help = "Use gettimeofday(2) for timing",
                          },
+#endif
+#ifdef CONFIG_CLOCK_GETTIME
                          { .ival = "clock_gettime",
                            .oval = CS_CGETTIME,
                            .help = "Use clock_gettime(2) for timing",
                          },
+#endif
 #ifdef ARCH_HAVE_CPU_CLOCK
                          { .ival = "cpu",
                            .oval = CS_CPUCLOCK,
@@ -1859,6 +1886,16 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .def    = "1",
                .parent = "verify",
        },
+       {
+               .name   = "verifysort_nr",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(verifysort_nr),
+               .help   = "Pre-load and sort verify blocks for a read workload",
+               .minval = 0,
+               .maxval = 131072,
+               .def    = "1024",
+               .parent = "verify",
+       },
        {
                .name   = "verify_interval",
                .type   = FIO_OPT_INT,
@@ -2250,7 +2287,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Set CPUs allowed",
        },
 #endif
-#ifdef FIO_HAVE_LIBNUMA
+#ifdef CONFIG_LIBNUMA
        {
                .name   = "numa_cpu_nodes",
                .type   = FIO_OPT_STR,