X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=3041ac45fed2ac66a77af0f6a811747eaa74cf34;hp=8dc57845ee24605ea316e6252ca8f5684365d74c;hb=35c0ba7ff55bbd438cdc171945c61d501a4e693e;hpb=85af57948a9c0d5c2ece9c680a41c1670888a09e

diff --git a/init.c b/init.c
index 8dc57845..3041ac45 100644
--- a/init.c
+++ b/init.c
@@ -221,6 +221,7 @@ static void free_shm(void)
 
 		threads = NULL;
 		file_hash_exit();
+		flow_exit();
 		fio_debug_jobp = NULL;
 		shmdt(tp);
 		shmctl(shm_id, IPC_RMID, &sbuf);
@@ -277,6 +278,9 @@ static int setup_thread_area(void)
 	fio_debug_jobp = (void *) hash + file_hash_size;
 	*fio_debug_jobp = -1;
 	file_hash_init(hash);
+
+	flow_init();
+
 	return 0;
 }
 
@@ -324,6 +328,7 @@ static void put_job(struct thread_data *td)
 		return;
 
 	profile_td_exit(td);
+	flow_exit_job(td);
 
 	if (td->error)
 		log_info("fio: %s\n", td->verror);
@@ -550,6 +555,28 @@ static int fixup_options(struct thread_data *td)
 	}
 #endif
 
+#ifdef WIN32
+	/*
+	 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
+	 * so fail if we're passed those flags
+	 */
+	if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
+		log_err("fio: Windows does not support direct or non-buffered io with"
+				" the synchronous ioengines. Use the 'windowsaio' ioengine"
+				" with 'direct=1' and 'iodepth=1' instead.\n");
+		ret = 1;
+	}
+#endif
+
+	/*
+	 * For fully compressible data, just zero them at init time.
+	 * It's faster than repeatedly filling it.
+	 */
+	if (td->o.compress_percentage == 100) {
+		td->o.zero_buffers = 1;
+		td->o.compress_percentage = 0;
+	}
+
 	return ret;
 }
 
@@ -655,31 +682,6 @@ void td_fill_rand_seeds(struct thread_data *td)
 	init_rand_seed(&td->buf_state, td->rand_seeds[7]);
 }
 
-/*
- * Initialize the various random states we need (random io, block size ranges,
- * read/write mix, etc).
- */
-static int init_random_state(struct thread_data *td)
-{
-	int fd;
-
-	fd = open("/dev/urandom", O_RDONLY);
-	if (fd == -1) {
-		td_verror(td, errno, "open");
-		return 1;
-	}
-
-	if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
-	    (int) sizeof(td->rand_seeds)) {
-		td_verror(td, EIO, "read");
-		close(fd);
-		return 1;
-	}
-
-	close(fd);
-	td_fill_rand_seeds(td);
-	return 0;
-}
 
 /*
  * Initializes the ioengine configured for a job, if it has not been done so
@@ -742,10 +744,9 @@ int ioengine_load(struct thread_data *td)
  * to make sure we don't have conflicts, and initializes various
  * members of td.
  */
-static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
+static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
+		   int recursed)
 {
-	const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
-				   "randread", "randwrite", "randrw" };
 	unsigned int i;
 	char fname[PATH_MAX];
 	int numjobs, file_alloced;
@@ -796,6 +797,8 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 	if (fixup_options(td))
 		goto err;
 
+	flow_init_job(td);
+
 	/*
 	 * IO engines only need this for option callbacks, and the address may
 	 * change in subprocesses.
@@ -832,8 +835,10 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 	td->groupid = groupid;
 	prev_group_jobs++;
 
-	if (init_random_state(td))
+	if (init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds))) {
+		td_verror(td, errno, "init_random_state");
 		goto err;
+	}
 
 	if (setup_rate(td))
 		goto err;
@@ -853,6 +858,9 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 
 	if (!terse_output) {
 		if (!job_add_num) {
+			if (is_backend && !recursed)
+				fio_server_send_add_job(&td->o, td->io_ops->name);
+
 			if (!strcmp(td->io_ops->name, "cpuio")) {
 				log_info("%s: ioengine=cpu, cpuload=%u,"
 					 " cpucycle=%u\n", td->o.name,
@@ -869,7 +877,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 				log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
 					 " ioengine=%s, iodepth=%u\n",
 						td->o.name, td->groupid,
-						ddir_str[td->o.td_ddir],
+						ddir_str(td->o.td_ddir),
 						c1, c2, c3, c4,
 						td->io_ops->name,
 						td->o.iodepth);
@@ -907,7 +915,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 
 		job_add_num = numjobs - 1;
 
-		if (add_job(td_new, jobname, job_add_num))
+		if (add_job(td_new, jobname, job_add_num, 1))
 			goto err;
 	}
 
@@ -932,7 +940,7 @@ void add_job_opts(const char **o)
 		if (!strncmp(o[i], "name", 4)) {
 			in_global = 0;
 			if (td)
-				add_job(td, jobname, 0);
+				add_job(td, jobname, 0, 0);
 			td = NULL;
 			sprintf(jobname, "%s", o[i] + 5);
 		}
@@ -951,7 +959,7 @@ void add_job_opts(const char **o)
 	}
 
 	if (td)
-		add_job(td, jobname, 0);
+		add_job(td, jobname, 0, 0);
 }
 
 static int skip_this_section(const char *name)
@@ -1133,7 +1141,7 @@ int parse_jobs_ini(char *file, int is_buf, int stonewall_flag)
 				for (i = 0; i < num_opts; i++)
 					log_info("--%s ", opts[i]);
 
-			ret = add_job(td, name, 0);
+			ret = add_job(td, name, 0, 0);
 		} else {
 			log_err("fio: job %s dropped\n", name);
 			put_job(td);
@@ -1218,20 +1226,62 @@ static void usage(const char *name)
 
 #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 },
-	{ .name = "random",	.shift = FD_RANDOM },
-	{ .name = "parse",	.shift = FD_PARSE },
-	{ .name = "diskutil",	.shift = FD_DISKUTIL },
-	{ .name = "job",	.shift = FD_JOB },
-	{ .name = "mutex",	.shift = FD_MUTEX },
-	{ .name	= "profile",	.shift = FD_PROFILE },
-	{ .name = "time",	.shift = FD_TIME },
-	{ .name = "net",	.shift = FD_NET },
+	{ .name = "process",
+	  .help = "Process creation/exit logging",
+	  .shift = FD_PROCESS,
+	},
+	{ .name = "file",
+	  .help = "File related action logging",
+	  .shift = FD_FILE,
+	},
+	{ .name = "io",
+	  .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
+	  .shift = FD_IO,
+	},
+	{ .name = "mem",
+	  .help = "Memory allocation/freeing logging",
+	  .shift = FD_MEM,
+	},
+	{ .name = "blktrace",
+	  .help = "blktrace action logging",
+	  .shift = FD_BLKTRACE,
+	},
+	{ .name = "verify",
+	  .help = "IO verification action logging",
+	  .shift = FD_VERIFY,
+	},
+	{ .name = "random",
+	  .help = "Random generation logging",
+	  .shift = FD_RANDOM,
+	},
+	{ .name = "parse",
+	  .help = "Parser logging",
+	  .shift = FD_PARSE,
+	},
+	{ .name = "diskutil",
+	  .help = "Disk utility logging actions",
+	  .shift = FD_DISKUTIL,
+	},
+	{ .name = "job",
+	  .help = "Logging related to creating/destroying jobs",
+	  .shift = FD_JOB,
+	},
+	{ .name = "mutex",
+	  .help = "Mutex logging",
+	  .shift = FD_MUTEX
+	},
+	{ .name	= "profile",
+	  .help = "Logging related to profiles",
+	  .shift = FD_PROFILE,
+	},
+	{ .name = "time",
+	  .help = "Logging related to time keeping functions",
+	  .shift = FD_TIME,
+	},
+	{ .name = "net",
+	  .help = "Network logging",
+	  .shift = FD_NET,
+	},
 	{ .name = NULL, },
 };
 
@@ -1457,7 +1507,7 @@ int parse_cmd_line(int argc, char *argv[])
 			char *val = optarg;
 
 			if (!strncmp(opt, "name", 4) && td) {
-				ret = add_job(td, td->o.name ?: "fio", 0);
+				ret = add_job(td, td->o.name ?: "fio", 0, 0);
 				if (ret)
 					return 0;
 				td = NULL;
@@ -1529,7 +1579,7 @@ int parse_cmd_line(int argc, char *argv[])
 				exit_val = 1;
 				break;
 			}
-			if (fio_client_add(optarg, &cur_client)) {
+			if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
 				log_err("fio: failed adding client %s\n", optarg);
 				do_exit++;
 				exit_val = 1;
@@ -1561,7 +1611,7 @@ int parse_cmd_line(int argc, char *argv[])
 
 	if (td) {
 		if (!ret)
-			ret = add_job(td, td->o.name ?: "fio", 0);
+			ret = add_job(td, td->o.name ?: "fio", 0, 0);
 	}
 
 	while (!ret && optind < argc) {
@@ -1574,10 +1624,8 @@ int parse_cmd_line(int argc, char *argv[])
 	return ini_idx;
 }
 
-int parse_options(int argc, char *argv[])
+int fio_init_options(void)
 {
-	int job_files, i;
-
 	f_out = stdout;
 	f_err = stderr;
 
@@ -1589,6 +1637,20 @@ int parse_options(int argc, char *argv[])
 	if (fill_def_thread())
 		return 1;
 
+	return 0;
+}
+
+extern int fio_check_options(struct thread_options *);
+
+int parse_options(int argc, char *argv[])
+{
+	int job_files, i;
+
+	if (fio_init_options())
+		return 1;
+	if (fio_test_cconv(&def_thread.o))
+		log_err("fio: failed internal cconv test\n");
+
 	job_files = parse_cmd_line(argc, argv);
 
 	if (job_files > 0) {