X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=721978f6626674cdfbb685ff860576c1bb286af6;hp=0151c9bd4b2979626e17c592c76938c9e2b68b35;hb=79e48f72dea1639bcbee310c354938287b6d5790;hpb=cca73aa73328c3cb4d78adf1e54345701eff29fd

diff --git a/init.c b/init.c
index 0151c9bd..721978f6 100644
--- a/init.c
+++ b/init.c
@@ -17,7 +17,7 @@
 #include "fio.h"
 #include "parse.h"
 
-static char fio_version_string[] = "fio 1.15.1";
+static char fio_version_string[] = "fio 1.17.3";
 
 #define FIO_RANDSEED		(0xb1899bedUL)
 
@@ -30,17 +30,21 @@ struct thread_data *threads = NULL;
 
 int exitall_on_terminate = 0;
 int terse_output = 0;
+int eta_print;
 unsigned long long mlock_size = 0;
 FILE *f_out = NULL;
 FILE *f_err = NULL;
 
 int write_bw_log = 0;
+int read_only = 0;
 
 static int def_timeout = 0;
 static int write_lat_log = 0;
 
 static int prev_group_jobs;
 
+unsigned long fio_debug = 0;
+
 /*
  * Command line options. These will contain the above, plus a few
  * extra that only pertain to fio itself and not jobs.
@@ -89,7 +93,22 @@ static struct option long_options[FIO_NR_OPTIONS] = {
 	{
 		.name		= "showcmd",
 		.has_arg	= no_argument,
-		.val		= 's'
+		.val		= 's',
+	},
+	{
+		.name		= "readonly",
+		.has_arg	= no_argument,
+		.val		= 'r',
+	},
+	{
+		.name		= "eta",
+		.has_arg	= required_argument,
+		.val		= 'e',
+	},
+	{
+		.name		= "debug",
+		.has_arg	= required_argument,
+		.val		= 'd',
 	},
 	{
 		.name		= NULL,
@@ -180,6 +199,11 @@ static int fixup_options(struct thread_data *td)
 {
 	struct thread_options *o = &td->o;
 
+	if (read_only && td_write(td)) {
+		log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name);
+		return 1;
+	}
+	
 	if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
 		o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
 
@@ -222,9 +246,6 @@ static int fixup_options(struct thread_data *td)
 	if (!o->file_size_high)
 		o->file_size_high = o->file_size_low;
 
-	if (td_read(td) && !td_rw(td))
-		o->verify = 0;
-
 	if (o->norandommap && o->verify != VERIFY_NONE) {
 		log_err("fio: norandommap given, verify disabled\n");
 		o->verify = VERIFY_NONE;
@@ -274,6 +295,14 @@ static int fixup_options(struct thread_data *td)
 		return 1;
 	}
 
+	if (!o->timeout && o->time_based) {
+		log_err("fio: time_based requires a runtime/timeout setting\n");
+		o->time_based = 0;
+	}
+
+	if (o->fill_device && !o->size)
+		o->size = ULONG_LONG_MAX;
+
 	return 0;
 }
 
@@ -427,6 +456,13 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 	if (fixup_options(td))
 		goto err;
 
+	if (td->io_ops->flags & FIO_DISKLESSIO) {
+		struct fio_file *f;
+
+		for_each_file(td, f, i)
+			f->real_file_size = -1ULL;
+	}
+
 	td->mutex = fio_sem_init(0);
 
 	td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
@@ -539,35 +575,51 @@ static int parse_jobs_ini(char *file, int stonewall_flag)
 	unsigned int global;
 	struct thread_data *td;
 	char *string, *name;
-	fpos_t off;
 	FILE *f;
 	char *p;
 	int ret = 0, stonewall;
+	int first_sect = 1;
+	int skip_fgets = 0;
+
+	if (!strcmp(file, "-"))
+		f = stdin;
+	else
+		f = fopen(file, "r");
 
-	f = fopen(file, "r");
 	if (!f) {
 		perror("fopen job file");
 		return 1;
 	}
 
 	string = malloc(4096);
-	name = malloc(256);
-	memset(name, 0, 256);
+
+	/*
+	 * it's really 256 + small bit, 280 should suffice
+	 */
+	name = malloc(280);
+	memset(name, 0, 280);
 
 	stonewall = stonewall_flag;
 	do {
-		p = fgets(string, 4095, f);
-		if (!p)
-			break;
+		/*
+		 * if skip_fgets is set, we already have loaded a line we
+		 * haven't handled.
+		 */
+		if (!skip_fgets) {
+			p = fgets(string, 4095, f);
+			if (!p)
+				break;
+		}
 
+		skip_fgets = 0;
 		strip_blank_front(&p);
 		strip_blank_end(p);
 
 		if (is_empty_or_comment(p))
 			continue;
 		if (sscanf(p, "[%255s]", name) != 1) {
-			log_err("fio: option <%s> outside of job section\n", p);
-			continue;
+			log_err("fio: option <%s> outside of [] job section\n", p);
+			break;
 		}
 
 		global = !strncmp(name, "global", 6);
@@ -575,9 +627,11 @@ static int parse_jobs_ini(char *file, int stonewall_flag)
 		name[strlen(name) - 1] = '\0';
 
 		if (dump_cmdline) {
-			log_info("fio ");
+			if (first_sect)
+				log_info("fio ");
 			if (!global)
 				log_info("--name=%s ", name);
+			first_sect = 0;
 		}
 
 		td = get_new_job(global, &def_thread);
@@ -594,20 +648,23 @@ static int parse_jobs_ini(char *file, int stonewall_flag)
 			stonewall = 0;
 		}
 
-		fgetpos(f, &off);
 		while ((p = fgets(string, 4096, f)) != NULL) {
 			if (is_empty_or_comment(p))
 				continue;
 
 			strip_blank_front(&p);
 
-			if (p[0] == '[')
+			/*
+			 * new section, break out and make sure we don't
+			 * fgets() a new line at the top.
+			 */
+			if (p[0] == '[') {
+				skip_fgets = 1;
 				break;
+			}
 
 			strip_blank_end(p);
 
-			fgetpos(f, &off);
-
 			/*
 			 * Don't break here, continue parsing options so we
 			 * dump all the bad ones. Makes trial/error fixups
@@ -618,10 +675,9 @@ static int parse_jobs_ini(char *file, int stonewall_flag)
 				log_info("--%s ", p);
 		}
 
-		if (!ret) {
-			fsetpos(f, &off);
+		if (!ret)
 			ret = add_job(td, name, 0);
-		} else {
+		else {
 			log_err("fio: job %s dropped\n", name);
 			put_job(td);
 		}
@@ -632,7 +688,8 @@ static int parse_jobs_ini(char *file, int stonewall_flag)
 
 	free(string);
 	free(name);
-	fclose(f);
+	if (f != stdin)
+		fclose(f);
 	return ret;
 }
 
@@ -640,10 +697,7 @@ static int fill_def_thread(void)
 {
 	memset(&def_thread, 0, sizeof(def_thread));
 
-	if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) {
-		perror("sched_getaffinity");
-		return 1;
-	}
+	fio_getaffinity(getpid(), &def_thread.o.cpumask);
 
 	/*
 	 * fill default options
@@ -654,10 +708,6 @@ static int fill_def_thread(void)
 	def_thread.o.write_bw_log = write_bw_log;
 	def_thread.o.write_lat_log = write_lat_log;
 
-#ifdef FIO_HAVE_DISK_UTIL
-	def_thread.o.do_disk_util = 1;
-#endif
-
 	return 0;
 }
 
@@ -706,13 +756,16 @@ static int setup_thread_area(void)
 		return 1;
 	}
 
+	memset(threads, 0, max_jobs * sizeof(struct thread_data));
 	atexit(free_shm);
 	return 0;
 }
 
-static void usage(void)
+static void usage(const char *name)
 {
 	printf("%s\n", fio_version_string);
+	printf("%s [options] [job options] <job file(s)>\n", name);
+	printf("\t--debug=options\tEnable debug logging\n");
 	printf("\t--output\tWrite output to file\n");
 	printf("\t--timeout\tRuntime in seconds\n");
 	printf("\t--latency-log\tGenerate per-job latency logs\n");
@@ -722,7 +775,66 @@ static void usage(void)
 	printf("\t--help\t\tPrint this page\n");
 	printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
 	printf("\t--showcmd\tTurn a job file into command line options\n");
+	printf("\t--eta=when\tWhen ETA estimate should be printed\n");
+	printf("\t          \tMay be \"always\", \"never\" or \"auto\"\n");
+}
+
+#ifdef FIO_INC_DEBUG
+struct debug_level debug_levels[] = {
+	{ .name = "process",	.shift = FD_PROCESS, },
+	{ .name = "file",	.shift = FD_FILE, },
+	{ .name = "io",		.shift = FD_IO, },
+	{ .name = "mem",	.shift = FD_MEM, },
+	{ .name = "blktrace",	.shift = FD_BLKTRACE },
+	{ .name = "verify",	.shift = FD_VERIFY },
+	{ },
+};
+
+static void set_debug(const char *string)
+{
+	struct debug_level *dl;
+	char *p = (char *) string;
+	char *opt;
+	int i;
+
+	if (!strcmp(string, "?") || !strcmp(string, "help")) {
+		int i;
+
+		log_info("fio: dumping debug options:");
+		for (i = 0; debug_levels[i].name; i++) {
+			dl = &debug_levels[i];
+			log_info("%s,", dl->name);
+		}
+		log_info("all\n");
+		return;
+	} else if (!strcmp(string, "all")) {
+		fio_debug = ~0UL;
+		return;
+	}
+
+	while ((opt = strsep(&p, ",")) != NULL) {
+		int found = 0;
+
+		for (i = 0; debug_levels[i].name; i++) {
+			dl = &debug_levels[i];
+			if (!strncmp(opt, dl->name, strlen(opt))) {
+				log_info("fio: set debug option %s\n", opt);
+				found = 1;
+				fio_debug |= (1UL << dl->shift);
+				break;
+			}
+		}
+
+		if (!found)
+			log_err("fio: debug mask %s not found\n", opt);
+	}
 }
+#else
+static void set_debug(const char *string)
+{
+	log_err("fio: debug tracing not included in build\n");
+}
+#endif
 
 static int parse_cmd_line(int argc, char *argv[])
 {
@@ -752,16 +864,28 @@ static int parse_cmd_line(int argc, char *argv[])
 			terse_output = 1;
 			break;
 		case 'h':
-			usage();
+			usage(argv[0]);
 			exit(0);
 		case 'c':
 			exit(fio_show_option_help(optarg));
 		case 's':
 			dump_cmdline = 1;
 			break;
+		case 'r':
+			read_only = 1;
+			break;
 		case 'v':
 			printf("%s\n", fio_version_string);
 			exit(0);
+		case 'e':
+			if (!strcmp("always", optarg))
+				eta_print = FIO_ETA_ALWAYS;
+			else if (!strcmp("never", optarg))
+				eta_print = FIO_ETA_NEVER;
+			break;
+		case 'd':
+			set_debug(optarg);
+			break;
 		case FIO_GETOPT_JOB: {
 			const char *opt = long_options[lidx].name;
 			char *val = optarg;
@@ -775,7 +899,11 @@ static int parse_cmd_line(int argc, char *argv[])
 				td = NULL;
 			}
 			if (!td) {
-				int global = !strncmp(val, "global", 6);
+				int global = 0;
+
+				if (strncmp(opt, "name", 4) ||
+				    !strncmp(val, "global", 6))
+					global = 1;
 
 				td = get_new_job(global, &def_thread);
 				if (!td)
@@ -812,7 +940,6 @@ static int parse_cmd_line(int argc, char *argv[])
 	return ini_idx;
 }
 
-
 int parse_options(int argc, char *argv[])
 {
 	int job_files, i;
@@ -845,6 +972,7 @@ int parse_options(int argc, char *argv[])
 			return 0;
 
 		log_err("No jobs defined(s)\n");
+		usage(argv[0]);
 		return 1;
 	}