X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=82d5ff51b47f684be065d848f1493aac63f6dbad;hp=abd02c8c3b55055e4b73865182b0e5efa009e6f6;hb=bb446c117849b39ece795602774c3716eef6064a;hpb=214e1ecae844a32bf8f66d19132f4948d922dcee

diff --git a/options.c b/options.c
index abd02c8c..82d5ff51 100644
--- a/options.c
+++ b/options.c
@@ -8,8 +8,9 @@
 
 #include "fio.h"
 #include "parse.h"
+#include "fls.h"
 
-#define td_var_offset(var)	((size_t) &((struct thread_data *)0)->var)
+#define td_var_offset(var)	((size_t) &((struct thread_options *)0)->var)
 
 /*
  * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
@@ -27,13 +28,25 @@ static char *get_opt_postfix(const char *str)
 	return strdup(p);
 }
 
+static int str_rw_cb(void *data, const char *str)
+{
+	struct thread_data *td = data;
+	char *nr = get_opt_postfix(str);
+
+	td->o.ddir_nr = 1;
+	if (nr)
+		td->o.ddir_nr = atoi(nr);
+
+	return 0;
+}
+
 static int str_mem_cb(void *data, const char *mem)
 {
 	struct thread_data *td = data;
 
-	if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) {
+	if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
 		td->mmapfile = get_opt_postfix(mem);
-		if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) {
+		if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
 			log_err("fio: mmaphuge:/path/to/file\n");
 			return 1;
 		}
@@ -52,6 +65,13 @@ static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
 static int str_prioclass_cb(void *data, unsigned int *val)
 {
 	struct thread_data *td = data;
+	unsigned short mask;
+
+	/*
+	 * mask off old class bits, str_prio_cb() may have set a default class
+	 */
+	mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
+	td->ioprio &= mask;
 
 	td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
 	return 0;
@@ -62,6 +82,13 @@ static int str_prio_cb(void *data, unsigned int *val)
 	struct thread_data *td = data;
 
 	td->ioprio |= *val;
+
+	/*
+	 * If no class is set, assume BE
+	 */
+	if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
+		td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
+
 	return 0;
 }
 #endif
@@ -72,27 +99,46 @@ static int str_exitall_cb(void)
 	return 0;
 }
 
-static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu)
-{
 #ifdef FIO_HAVE_CPU_AFFINITY
+static int str_cpumask_cb(void *data, unsigned int *val)
+{
+	struct thread_data *td = data;
 	unsigned int i;
 
-	CPU_ZERO(&cpumask);
+	CPU_ZERO(&td->o.cpumask);
 
-	for (i = 0; i < sizeof(int) * 8; i++) {
-		if ((1 << i) & cpu)
-			CPU_SET(i, &cpumask);
-	}
-#endif
+	for (i = 0; i < sizeof(int) * 8; i++)
+		if ((1 << i) & *val)
+			CPU_SET(*val, &td->o.cpumask);
+
+	td->o.cpumask_set = 1;
+	return 0;
 }
 
-static int str_cpumask_cb(void *data, unsigned int *val)
+static int str_cpus_allowed_cb(void *data, const char *input)
 {
 	struct thread_data *td = data;
+	char *cpu, *str, *p;
+
+	CPU_ZERO(&td->o.cpumask);
+
+	p = str = strdup(input);
+
+	strip_blank_front(&str);
+	strip_blank_end(str);
+
+	while ((cpu = strsep(&str, ",")) != NULL) {
+		if (!strlen(cpu))
+			break;
+		CPU_SET(atoi(cpu), &td->o.cpumask);
+	}
 
-	fill_cpu_mask(td->cpumask, *val);
+	free(p);
+	td->o.cpumask_set = 1;
+	exit(0);
 	return 0;
 }
+#endif
 
 static int str_fst_cb(void *data, const char *str)
 {
@@ -117,13 +163,13 @@ static int str_filename_cb(void *data, const char *input)
 	strip_blank_end(str);
 
 	if (!td->files_index)
-		td->nr_files = 0;
+		td->o.nr_files = 0;
 
 	while ((fname = strsep(&str, ":")) != NULL) {
 		if (!strlen(fname))
 			break;
 		add_file(td, fname);
-		td->nr_files++;
+		td->o.nr_files++;
 	}
 
 	free(p);
@@ -135,13 +181,13 @@ static int str_directory_cb(void *data, const char fio_unused *str)
 	struct thread_data *td = data;
 	struct stat sb;
 
-	if (lstat(td->directory, &sb) < 0) {
-		log_err("fio: %s is not a directory\n", td->directory);
+	if (lstat(td->o.directory, &sb) < 0) {
+		log_err("fio: %s is not a directory\n", td->o.directory);
 		td_verror(td, errno, "lstat");
 		return 1;
 	}
 	if (!S_ISDIR(sb.st_mode)) {
-		log_err("fio: %s is not a directory\n", td->directory);
+		log_err("fio: %s is not a directory\n", td->o.directory);
 		return 1;
 	}
 
@@ -153,11 +199,57 @@ static int str_opendir_cb(void *data, const char fio_unused *str)
 	struct thread_data *td = data;
 
 	if (!td->files_index)
-		td->nr_files = 0;
+		td->o.nr_files = 0;
 
-	return add_dir_files(td, td->opendir);
+	return add_dir_files(td, td->o.opendir);
 }
 
+static int str_verify_offset_cb(void *data, unsigned int *off)
+{
+	struct thread_data *td = data;
+
+	if (*off && *off < sizeof(struct verify_header)) {
+		log_err("fio: verify_offset too small\n");
+		return 1;
+	}
+
+	td->o.verify_offset = *off;
+	return 0;
+}
+
+static int str_verify_cb(void *data, const char *mem)
+{
+	struct thread_data *td = data;
+	unsigned int nr, msb;
+	char *pat;
+
+	if (td->o.verify != VERIFY_PATTERN)
+		return 0;
+
+	pat = get_opt_postfix(mem);
+	if (!pat) {
+		log_err("fio: missing pattern\n");
+		return 1;
+	}
+
+	if (strstr(pat, "0x") || strstr(pat, "0X"))
+		nr = strtol(pat, NULL, 16);
+	else
+		nr = strtol(pat, NULL, 16);
+
+	msb = fls(nr);
+	if (msb <= 8)
+		td->o.verify_pattern_bytes = 1;
+	else if (msb <= 16)
+		td->o.verify_pattern_bytes = 2;
+	else if (msb <= 24)
+		td->o.verify_pattern_bytes = 3;
+	else
+		td->o.verify_pattern_bytes = 4;
+
+	td->o.verify_pattern = nr;
+	return 0;
+}
 
 #define __stringify_1(x)	#x
 #define __stringify(x)		__stringify_1(x)
@@ -201,7 +293,9 @@ static struct fio_option options[] = {
 	},
 	{
 		.name	= "rw",
+		.alias	= "readwrite",
 		.type	= FIO_OPT_STR,
+		.cb	= str_rw_cb,
 		.off1	= td_var_offset(td_ddir),
 		.help	= "IO direction",
 		.def	= "read",
@@ -259,6 +353,9 @@ static struct fio_option options[] = {
 			  { .ival = "splice",
 			    .help = "splice/vmsplice based IO",
 			  },
+			  { .ival = "netsplice",
+			    .help = "splice/vmsplice to/from the network",
+			  },
 #endif
 #ifdef FIO_HAVE_SGIO
 			  { .ival = "sg",
@@ -279,6 +376,11 @@ static struct fio_option options[] = {
 			  { .ival = "cpuio",
 			    .help = "CPU cycler burner engine",
 			  },
+#ifdef FIO_HAVE_GUASI
+			  { .ival = "guasi",
+			    .help = "GUASI IO engine",
+			  },
+#endif
 			  { .ival = "external",
 			    .help = "Load external engine (append name)",
 			  },
@@ -296,17 +398,20 @@ static struct fio_option options[] = {
 		.type	= FIO_OPT_INT,
 		.off1	= td_var_offset(iodepth_batch),
 		.help	= "Number of IO to submit in one go",
+		.parent	= "iodepth",
 	},
 	{
 		.name	= "iodepth_low",
 		.type	= FIO_OPT_INT,
 		.off1	= td_var_offset(iodepth_low),
 		.help	= "Low water mark for queuing depth",
+		.parent	= "iodepth",
 	},
 	{
 		.name	= "size",
 		.type	= FIO_OPT_STR_VAL,
-		.off1	= td_var_offset(total_file_size),
+		.off1	= td_var_offset(size),
+		.minval = 1,
 		.help	= "Total size of device or files",
 	},
 	{
@@ -314,37 +419,47 @@ static struct fio_option options[] = {
 		.type	= FIO_OPT_STR_VAL,
 		.off1	= td_var_offset(file_size_low),
 		.off2	= td_var_offset(file_size_high),
+		.minval = 1,
 		.help	= "Size of individual files",
 	},
+	{
+		.name	= "offset",
+		.alias	= "fileoffset",
+		.type	= FIO_OPT_STR_VAL,
+		.off1	= td_var_offset(start_offset),
+		.help	= "Start IO from this offset",
+		.def	= "0",
+	},
 	{
 		.name	= "bs",
+		.alias	= "blocksize",
 		.type	= FIO_OPT_STR_VAL_INT,
 		.off1	= td_var_offset(bs[DDIR_READ]),
 		.off2	= td_var_offset(bs[DDIR_WRITE]),
+		.minval = 1,
 		.help	= "Block size unit",
 		.def	= "4k",
+		.parent = "rw",
 	},
 	{
 		.name	= "bsrange",
+		.alias	= "blocksize_range",
 		.type	= FIO_OPT_RANGE,
 		.off1	= td_var_offset(min_bs[DDIR_READ]),
 		.off2	= td_var_offset(max_bs[DDIR_READ]),
 		.off3	= td_var_offset(min_bs[DDIR_WRITE]),
 		.off4	= td_var_offset(max_bs[DDIR_WRITE]),
+		.minval = 1,
 		.help	= "Set block size range (in more detail than bs)",
+		.parent = "rw",
 	},
 	{
 		.name	= "bs_unaligned",
+		.alias	= "blocksize_unaligned",
 		.type	= FIO_OPT_STR_SET,
 		.off1	= td_var_offset(bs_unaligned),
 		.help	= "Don't sector align IO buffer sizes",
-	},
-	{
-		.name	= "offset",
-		.type	= FIO_OPT_STR_VAL,
-		.off1	= td_var_offset(start_offset),
-		.help	= "Start IO from this offset",
-		.def	= "0",
+		.parent = "rw",
 	},
 	{
 		.name	= "randrepeat",
@@ -352,12 +467,14 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(rand_repeatable),
 		.help	= "Use repeatable random IO pattern",
 		.def	= "1",
+		.parent = "rw",
 	},
 	{
 		.name	= "norandommap",
 		.type	= FIO_OPT_STR_SET,
 		.off1	= td_var_offset(norandommap),
 		.help	= "Accept potential duplicate random blocks",
+		.parent = "rw",
 	},
 	{
 		.name	= "nrfiles",
@@ -389,6 +506,14 @@ static struct fio_option options[] = {
 			    .help = "Round robin select files",
 			  },
 		},
+		.parent = "nrfiles",
+	},
+	{
+		.name	= "fadvise_hint",
+		.type	= FIO_OPT_BOOL,
+		.off1	= td_var_offset(fadvise_hint),
+		.help	= "Use fadvise() to advise the kernel on IO pattern",
+		.def	= "1",
 	},
 	{
 		.name	= "fsync",
@@ -448,8 +573,15 @@ static struct fio_option options[] = {
 		.help	= "Stop workload when this amount of time has passed",
 		.def	= "0",
 	},
+	{
+		.name	= "time_based",
+		.type	= FIO_OPT_STR_SET,
+		.off1	= td_var_offset(time_based),
+		.help	= "Keep running until runtime/timeout is met",
+	},
 	{
 		.name	= "mem",
+		.alias	= "iomem",
 		.type	= FIO_OPT_STR,
 		.cb	= str_mem_cb,
 		.off1	= td_var_offset(mem_type),
@@ -486,6 +618,7 @@ static struct fio_option options[] = {
 		.name	= "verify",
 		.type	= FIO_OPT_STR,
 		.off1	= td_var_offset(verify),
+		.cb	= str_verify_cb,
 		.help	= "Verify data written",
 		.def	= "0",
 		.posval = {
@@ -493,16 +626,89 @@ static struct fio_option options[] = {
 			    .oval = VERIFY_NONE,
 			    .help = "Don't do IO verification",
 			  },
+			  { .ival = "md5",
+			    .oval = VERIFY_MD5,
+			    .help = "Use md5 checksums for verification",
+			  },
+			  { .ival = "crc64",
+			    .oval = VERIFY_CRC64,
+			    .help = "Use crc64 checksums for verification",
+			  },
 			  { .ival = "crc32",
 			    .oval = VERIFY_CRC32,
 			    .help = "Use crc32 checksums for verification",
 			  },
-			  { .ival = "md5",
-			    .oval = VERIFY_MD5,
-			    .help = "Use md5 checksums for verification",
+			  { .ival = "crc16",
+			    .oval = VERIFY_CRC16,
+			    .help = "Use crc16 checksums for verification",
+			  },
+			  { .ival = "crc7",
+			    .oval = VERIFY_CRC7,
+			    .help = "Use crc7 checksums for verification",
+			  },
+			  { .ival = "sha256",
+			    .oval = VERIFY_SHA256,
+			    .help = "Use sha256 checksums for verification",
+			  },
+			  { .ival = "sha512",
+			    .oval = VERIFY_SHA512,
+			    .help = "Use sha512 checksums for verification",
+			  },
+			  { .ival = "meta",
+			    .oval = VERIFY_META,
+			    .help = "Use io information",
+			  },
+			  { .ival = "pattern",
+			    .oval = VERIFY_PATTERN,
+			    .help = "Verify a specific buffer pattern",
+			  },
+			  {
+			    .ival = "null",
+			    .oval = VERIFY_NULL,
+			    .help = "Pretend to verify",
 			  },
 		},
 	},
+	{
+		.name	= "do_verify",
+		.type	= FIO_OPT_BOOL,
+		.off1	= td_var_offset(do_verify),
+		.help	= "Run verification stage after write",
+		.def	= "1",
+		.parent = "verify",
+	},
+	{
+		.name	= "verifysort",
+		.type	= FIO_OPT_BOOL,
+		.off1	= td_var_offset(verifysort),
+		.help	= "Sort written verify blocks for read back",
+		.def	= "1",
+		.parent = "verify",
+	},
+	{
+		.name   = "verify_interval",
+		.type   = FIO_OPT_STR_VAL_INT,
+		.off1   = td_var_offset(verify_interval),
+		.minval	= 2 * sizeof(struct verify_header),
+		.help   = "Store verify buffer header every N bytes",
+		.parent	= "verify",
+	},
+	{
+		.name	= "verify_offset",
+		.type	= FIO_OPT_STR_VAL_INT,
+		.help	= "Offset verify header location by N bytes",
+		.def	= "0",
+		.cb	= str_verify_offset_cb,	
+		.parent	= "verify",
+	},
+	{
+		.name	= "verify_fatal",
+		.type	= FIO_OPT_BOOL,
+		.off1	= td_var_offset(verify_fatal),
+		.def	= "0",
+		.help	= "Exit on a single verify failure, don't continue",
+		.parent = "verify",
+	},
 	{
 		.name	= "write_iolog",
 		.type	= FIO_OPT_STR_STORE,
@@ -556,17 +762,10 @@ static struct fio_option options[] = {
 		.help	= "Lock down this amount of memory",
 		.def	= "0",
 	},
-	{
-		.name	= "rwmixcycle",
-		.type	= FIO_OPT_INT,
-		.off1	= td_var_offset(rwmixcycle),
-		.help	= "Cycle period for mixed read/write workloads (msec)",
-		.def	= "500",
-	},
 	{
 		.name	= "rwmixread",
 		.type	= FIO_OPT_INT,
-		.off1	= td_var_offset(rwmixread),
+		.off1	= td_var_offset(rwmix[DDIR_READ]),
 		.maxval	= 100,
 		.help	= "Percentage of mixed workload that is reads",
 		.def	= "50",
@@ -574,11 +773,19 @@ static struct fio_option options[] = {
 	{
 		.name	= "rwmixwrite",
 		.type	= FIO_OPT_INT,
-		.off1	= td_var_offset(rwmixwrite),
+		.off1	= td_var_offset(rwmix[DDIR_WRITE]),
 		.maxval	= 100,
 		.help	= "Percentage of mixed workload that is writes",
 		.def	= "50",
 	},
+	{
+		.name	= "rwmixcycle",
+		.type	= FIO_OPT_INT,
+		.off1	= td_var_offset(rwmixcycle),
+		.help	= "Cycle period for mixed read/write workloads (msec)",
+		.def	= "500",
+		.parent	= "rwmixread",
+	},
 	{
 		.name	= "nice",
 		.type	= FIO_OPT_INT,
@@ -619,6 +826,7 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(thinktime_spin),
 		.help	= "Start think time by spinning this amount (usec)",
 		.def	= "0",
+		.parent	= "thinktime",
 	},
 	{
 		.name	= "thinktime_blocks",
@@ -626,6 +834,7 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(thinktime_blocks),
 		.help	= "IO buffer period between 'thinktime'",
 		.def	= "1",
+		.parent	= "thinktime",
 	},
 	{
 		.name	= "rate",
@@ -637,7 +846,21 @@ static struct fio_option options[] = {
 		.name	= "ratemin",
 		.type	= FIO_OPT_INT,
 		.off1	= td_var_offset(ratemin),
-		.help	= "The bottom limit accepted",
+		.help	= "Job must meet this rate or it will be shutdown",
+		.parent	= "rate",
+	},
+	{
+		.name	= "rate_iops",
+		.type	= FIO_OPT_INT,
+		.off1	= td_var_offset(rate_iops),
+		.help	= "Limit IO used to this number of IO operations/sec",
+	},
+	{
+		.name	= "rate_iops_min",
+		.type	= FIO_OPT_INT,
+		.off1	= td_var_offset(rate_iops_min),
+		.help	= "Job must meet this rate or it will be shutdown",
+		.parent	= "rate_iops",
 	},
 	{
 		.name	= "ratecycle",
@@ -645,6 +868,7 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(ratecycle),
 		.help	= "Window average for rate limits (msec)",
 		.def	= "1000",
+		.parent = "rate",
 	},
 	{
 		.name	= "invalidate",
@@ -659,6 +883,7 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(sync_io),
 		.help	= "Use O_SYNC for buffered writes",
 		.def	= "0",
+		.parent = "buffered",
 	},
 	{
 		.name	= "bwavgtime",
@@ -693,6 +918,7 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(cpucycle),
 		.help	= "Length of the CPU burn cycles (usecs)",
 		.def	= "50000",
+		.parent = "cpuload",
 	},
 #ifdef FIO_HAVE_CPU_AFFINITY
 	{
@@ -701,6 +927,12 @@ static struct fio_option options[] = {
 		.cb	= str_cpumask_cb,
 		.help	= "CPU affinity mask",
 	},
+	{
+		.name	= "cpus_allowed",
+		.type	= FIO_OPT_STR,
+		.cb	= str_cpus_allowed_cb,
+		.help	= "Set CPUs allowed",
+	},
 #endif
 	{
 		.name	= "end_fsync",
@@ -735,6 +967,12 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(stonewall),
 		.help	= "Insert a hard barrier between this job and previous",
 	},
+	{
+		.name	= "new_group",
+		.type	= FIO_OPT_STR_SET,
+		.off1	= td_var_offset(new_group),
+		.help	= "Mark the start of a new group (for reporting)",
+	},
 	{
 		.name	= "thread",
 		.type	= FIO_OPT_STR_SET,
@@ -766,6 +1004,21 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(group_reporting),
 		.help	= "Do reporting on a per-group basis",
 	},
+	{
+		.name	= "zero_buffers",
+		.type	= FIO_OPT_STR_SET,
+		.off1	= td_var_offset(zero_buffers),
+		.help	= "Init IO buffers to all zeroes",
+	},
+#ifdef FIO_HAVE_DISK_UTIL
+	{
+		.name	= "disk_util",
+		.type	= FIO_OPT_BOOL,
+		.off1	= td_var_offset(do_disk_util),
+		.help	= "Log disk utilization stats",
+		.def	= "1",
+	},
+#endif
 	{
 		.name = NULL,
 	},
@@ -816,3 +1069,41 @@ int fio_show_option_help(const char *opt)
 {
 	return show_cmd_help(options, opt);
 }
+
+static void __options_mem(struct thread_data *td, int alloc)
+{
+	struct thread_options *o = &td->o;
+	struct fio_option *opt;
+	char **ptr;
+	int i;
+
+	for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
+		if (opt->type != FIO_OPT_STR_STORE)
+			continue;
+
+		ptr = (void *) o + opt->off1;
+		if (*ptr) {
+			if (alloc)
+				*ptr = strdup(*ptr);
+			else {
+				free(*ptr);
+				*ptr = NULL;
+			}
+		}
+	}
+}
+
+/*
+ * dupe FIO_OPT_STR_STORE options
+ */
+void options_mem_dupe(struct thread_data *td)
+{
+	__options_mem(td, 1);
+}
+
+void options_mem_free(struct thread_data fio_unused *td)
+{
+#if 0
+	__options_mem(td, 0);
+#endif
+}