X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=3a406fafb18e76e26bb653b178c80684db87c303;hp=380df36afd29f527d33d3949930ebe5f33d676a9;hb=70a7516894d8cf78be7d8ef89444d9faf0d3e87a;hpb=155015351132ad00e2e21cb63f52fee91e56e92a

diff --git a/options.c b/options.c
index 380df36a..3a406faf 100644
--- 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;
@@ -728,6 +729,45 @@ static int str_sfr_cb(void *data, const char *str)
 }
 #endif
 
+static int str_random_distribution_cb(void *data, const char *str)
+{
+	struct thread_data *td = data;
+	double val;
+	char *nr;
+
+	if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
+		val = 1.1;
+	else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
+		val = 0.2;
+	else
+		return 0;
+
+	nr = get_opt_postfix(str);
+	if (nr && !str_to_float(nr, &val)) {
+		log_err("fio: random postfix parsing failed\n");
+		free(nr);
+		return 1;
+	}
+
+	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 {
+		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;
+	}
+
+	return 0;
+}
+
 static int check_dir(struct thread_data *td, char *fname)
 {
 #if 0
@@ -1232,12 +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",
 			  },
@@ -1255,7 +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",
 			  },
@@ -1274,15 +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",
 			  },
@@ -1292,12 +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",
 			  },
@@ -1472,6 +1507,45 @@ 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,
+		.off1	= td_var_offset(random_distribution),
+		.cb	= str_random_distribution_cb,
+		.help	= "Random offset distribution generator",
+		.def	= "random",
+		.posval	= {
+			  { .ival = "random",
+			    .oval = FIO_RAND_DIST_RANDOM,
+			    .help = "Completely random",
+			  },
+			  { .ival = "zipf",
+			    .oval = FIO_RAND_DIST_ZIPF,
+			    .help = "Zipf distribution",
+			  },
+			  { .ival = "pareto",
+			    .oval = FIO_RAND_DIST_PARETO,
+			    .help = "Pareto distribution",
+			  },
+		},
+	},
 	{
 		.name	= "nrfiles",
 		.alias	= "nr_files",
@@ -1571,7 +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	= {
@@ -1668,14 +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,
@@ -2199,7 +2277,7 @@ 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,