X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=4a54c98c15045864931ea503d3f7920bab4ae431;hp=5b97ec413aae0ba43d8f911ccfda8dc24397553f;hb=6aa56500061cdb130705640d5c1cce9c9f26c7ff;hpb=23ed19b0e10749dca2389511f78d89db886c064a

diff --git a/options.c b/options.c
index 5b97ec41..4a54c98c 100644
--- a/options.c
+++ b/options.c
@@ -102,7 +102,7 @@ static int bssplit_ddir(struct thread_options *o, int ddir, char *str)
 		} else
 			perc = -1;
 
-		if (str_to_decimal(fname, &val, 1, o)) {
+		if (str_to_decimal(fname, &val, 1, o, 0)) {
 			log_err("fio: bssplit conversion failed\n");
 			free(bssplit);
 			return 1;
@@ -336,7 +336,7 @@ static int str_rw_cb(void *data, const char *str)
 	else {
 		long long val;
 
-		if (str_to_decimal(nr, &val, 1, o)) {
+		if (str_to_decimal(nr, &val, 1, o, 0)) {
 			log_err("fio: rw postfix parsing failed\n");
 			free(nr);
 			return 1;
@@ -394,6 +394,28 @@ static int str_exitall_cb(void)
 }
 
 #ifdef FIO_HAVE_CPU_AFFINITY
+int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
+{
+	unsigned int i, index, cpus_in_mask;
+	const long max_cpu = cpus_online();
+
+	cpus_in_mask = fio_cpu_count(mask);
+	cpu_index = cpu_index % cpus_in_mask;
+
+	index = 0;
+	for (i = 0; i < max_cpu; i++) {
+		if (!fio_cpu_isset(mask, i))
+			continue;
+
+		if (cpu_index != index)
+			fio_cpu_clear(mask, i);
+
+		index++;
+	}
+
+	return fio_cpu_count(mask);
+}
+
 static int str_cpumask_cb(void *data, unsigned long long *val)
 {
 	struct thread_data *td = data;
@@ -729,11 +751,11 @@ static int str_random_distribution_cb(void *data, const char *str)
 }
 
 /*
- * Return next file in the string. Files are separated with ':'. If the ':'
+ * Return next name in the string. Files are separated with ':'. If the ':'
  * is escaped with a '\', then that ':' is part of the filename and does not
  * indicate a new file.
  */
-static char *get_next_file_name(char **ptr)
+static char *get_next_name(char **ptr)
 {
 	char *str = *ptr;
 	char *p, *start;
@@ -774,6 +796,43 @@ static char *get_next_file_name(char **ptr)
 	return start;
 }
 
+
+static int get_max_name_idx(char *input)
+{
+	unsigned int cur_idx;
+	char *str, *p;
+
+	p = str = strdup(input);
+	for (cur_idx = 0; ; cur_idx++)
+		if (get_next_name(&str) == NULL)
+			break;
+
+	free(p);
+	return cur_idx;
+}
+
+/*
+ * Returns the directory at the index, indexes > entires will be
+ * assigned via modulo division of the index
+ */
+int set_name_idx(char *target, char *input, int index)
+{
+	unsigned int cur_idx;
+	int len;
+	char *fname, *str, *p;
+
+	p = str = strdup(input);
+
+	index %= get_max_name_idx(input);
+	for (cur_idx = 0; cur_idx <= index; cur_idx++)
+		fname = get_next_name(&str);
+
+	len = sprintf(target, "%s/", fname);
+	free(p);
+
+	return len;
+}
+
 static int str_filename_cb(void *data, const char *input)
 {
 	struct thread_data *td = data;
@@ -787,38 +846,45 @@ static int str_filename_cb(void *data, const char *input)
 	if (!td->files_index)
 		td->o.nr_files = 0;
 
-	while ((fname = get_next_file_name(&str)) != NULL) {
+	while ((fname = get_next_name(&str)) != NULL) {
 		if (!strlen(fname))
 			break;
-		add_file(td, fname);
-		td->o.nr_files++;
+		add_file(td, fname, 0, 1);
 	}
 
 	free(p);
 	return 0;
 }
 
-static int str_directory_cb(void *data, const char fio_unused *str)
+static int str_directory_cb(void *data, const char fio_unused *unused)
 {
 	struct thread_data *td = data;
 	struct stat sb;
+	char *dirname, *str, *p;
+	int ret = 0;
 
 	if (parse_dryrun())
 		return 0;
 
-	if (lstat(td->o.directory, &sb) < 0) {
-		int ret = errno;
+	p = str = strdup(td->o.directory);
+	while ((dirname = get_next_name(&str)) != NULL) {
+		if (lstat(dirname, &sb) < 0) {
+			ret = errno;
 
-		log_err("fio: %s is not a directory\n", td->o.directory);
-		td_verror(td, ret, "lstat");
-		return 1;
-	}
-	if (!S_ISDIR(sb.st_mode)) {
-		log_err("fio: %s is not a directory\n", td->o.directory);
-		return 1;
+			log_err("fio: %s is not a directory\n", dirname);
+			td_verror(td, ret, "lstat");
+			goto out;
+		}
+		if (!S_ISDIR(sb.st_mode)) {
+			log_err("fio: %s is not a directory\n", dirname);
+			ret = 1;
+			goto out;
+		}
 	}
 
-	return 0;
+out:
+	free(p);
+	return ret;
 }
 
 static int str_lockfile_cb(void *data, const char fio_unused *str)
@@ -936,6 +1002,15 @@ static int str_buffer_pattern_cb(void *data, const char *input)
 	return ret;
 }
 
+static int str_buffer_compress_cb(void *data, unsigned long long *il)
+{
+	struct thread_data *td = data;
+
+	td->flags |= TD_F_COMPRESS;
+	td->o.compress_percentage = *il;
+	return 0;
+}
+
 static int str_verify_pattern_cb(void *data, const char *input)
 {
 	struct thread_data *td = data;
@@ -1539,6 +1614,16 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.category = FIO_OPT_C_FILE,
 		.group	= FIO_OPT_G_INVALID,
 	},
+	{
+		.name	= "file_append",
+		.lname	= "File append",
+		.type	= FIO_OPT_BOOL,
+		.off1	= td_var_offset(file_append),
+		.help	= "IO will start at the end of the file(s)",
+		.def	= "0",
+		.category = FIO_OPT_C_FILE,
+		.group	= FIO_OPT_G_INVALID,
+	},
 	{
 		.name	= "offset",
 		.lname	= "IO offset",
@@ -1789,6 +1874,8 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.off1	= td_var_offset(allrand_repeatable),
 		.help	= "Use repeatable random numbers for everything",
 		.def	= "0",
+		.category = FIO_OPT_C_IO,
+		.group	= FIO_OPT_G_RANDOM,
 	},
 	{
 		.name	= "nrfiles",
@@ -2021,6 +2108,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.off2	= td_var_offset(start_delay_high),
 		.help	= "Only start job when this period has passed",
 		.def	= "0",
+		.is_seconds = 1,
 		.category = FIO_OPT_C_GENERAL,
 		.group	= FIO_OPT_G_RUNTIME,
 	},
@@ -2032,6 +2120,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.off1	= td_var_offset(timeout),
 		.help	= "Stop workload when this amount of time has passed",
 		.def	= "0",
+		.is_seconds = 1,
 		.category = FIO_OPT_C_GENERAL,
 		.group	= FIO_OPT_G_RUNTIME,
 	},
@@ -2059,6 +2148,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.type	= FIO_OPT_STR_VAL_TIME,
 		.off1	= td_var_offset(ramp_time),
 		.help	= "Ramp up time before measuring performance",
+		.is_seconds = 1,
 		.category = FIO_OPT_C_GENERAL,
 		.group	= FIO_OPT_G_RUNTIME,
 	},
@@ -2198,6 +2288,10 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 			    .oval = VERIFY_SHA512,
 			    .help = "Use sha512 checksums for verification",
 			  },
+			  { .ival = "xxhash",
+			    .oval = VERIFY_XXHASH,
+			    .help = "Use xxhash checksums for verification",
+			  },
 			  { .ival = "meta",
 			    .oval = VERIFY_META,
 			    .help = "Use io information",
@@ -2822,6 +2916,27 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.category = FIO_OPT_C_GENERAL,
 		.group	= FIO_OPT_G_CRED,
 	},
+	{
+		.name	= "cpus_allowed_policy",
+		.lname	= "CPUs allowed distribution policy",
+		.type	= FIO_OPT_STR,
+		.off1	= td_var_offset(cpus_allowed_policy),
+		.help	= "Distribution policy for cpus_allowed",
+		.parent = "cpus_allowed",
+		.prio	= 1,
+		.posval = {
+			  { .ival = "shared",
+			    .oval = FIO_CPUS_SHARED,
+			    .help = "Mask shared between threads",
+			  },
+			  { .ival = "split",
+			    .oval = FIO_CPUS_SPLIT,
+			    .help = "Mask split between threads",
+			  },
+		},
+		.category = FIO_OPT_C_GENERAL,
+		.group	= FIO_OPT_G_CRED,
+	},
 #endif
 #ifdef CONFIG_LIBNUMA
 	{
@@ -3022,9 +3137,9 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.name	= "buffer_compress_percentage",
 		.lname	= "Buffer compression percentage",
 		.type	= FIO_OPT_INT,
-		.off1	= td_var_offset(compress_percentage),
+		.cb	= str_buffer_compress_cb,
 		.maxval	= 100,
-		.minval	= 1,
+		.minval	= 0,
 		.help	= "How compressible the buffer is (approximately)",
 		.interval = 5,
 		.category = FIO_OPT_C_IO,
@@ -3736,6 +3851,7 @@ int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
 
 void fio_fill_default_options(struct thread_data *td)
 {
+	td->o.magic = OPT_MAGIC;
 	fill_default_options(td, fio_options);
 }
 
@@ -3780,7 +3896,16 @@ unsigned int fio_get_kb_base(void *data)
 	struct thread_options *o = data;
 	unsigned int kb_base = 0;
 
-	if (o)
+	/*
+	 * This is a hack... For private options, *data is not holding
+	 * a pointer to the thread_options, but to private data. This means
+	 * we can't safely dereference it, but magic is first so mem wise
+	 * it is valid. But this also means that if the job first sets
+	 * kb_base and expects that to be honored by private options,
+	 * it will be disappointed. We will return the global default
+	 * for this.
+	 */
+	if (o && o->magic == OPT_MAGIC)
 		kb_base = o->kb_base;
 	if (!kb_base)
 		kb_base = 1024;