X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=055fbab7a14180a91062635a4176a9603b0fd8d2;hp=7a81880a200e03f3e10c3637045a94aa3bcafb37;hb=564ca97254984165e06d5fd4b1270bac95ca55fb;hpb=cf4464ca60ce75ac241c621bc70a2500beeb782f

diff --git a/options.c b/options.c
index 7a81880a..055fbab7 100644
--- a/options.c
+++ b/options.c
@@ -8,6 +8,7 @@
 
 #include "fio.h"
 #include "parse.h"
+#include "fls.h"
 
 #define td_var_offset(var)	((size_t) &((struct thread_options *)0)->var)
 
@@ -27,6 +28,120 @@ static char *get_opt_postfix(const char *str)
 	return strdup(p);
 }
 
+static int bs_cmp(const void *p1, const void *p2)
+{
+	const struct bssplit *bsp1 = p1;
+	const struct bssplit *bsp2 = p2;
+
+	return bsp1->perc < bsp2->perc;
+}
+
+static int str_bssplit_cb(void *data, const char *input)
+{
+	struct thread_data *td = data;
+	char *fname, *str, *p;
+	unsigned int i, perc, perc_missing;
+	unsigned int max_bs, min_bs;
+	long long val;
+
+	p = str = strdup(input);
+
+	strip_blank_front(&str);
+	strip_blank_end(str);
+
+	td->o.bssplit_nr = 4;
+	td->o.bssplit = malloc(4 * sizeof(struct bssplit));
+
+	i = 0;
+	max_bs = 0;
+	min_bs = -1;
+	while ((fname = strsep(&str, ":")) != NULL) {
+		char *perc_str;
+
+		if (!strlen(fname))
+			break;
+
+		/*
+		 * grow struct buffer, if needed
+		 */
+		if (i == td->o.bssplit_nr) {
+			td->o.bssplit_nr <<= 1;
+			td->o.bssplit = realloc(td->o.bssplit, td->o.bssplit_nr * sizeof(struct bssplit));
+		}
+
+		perc_str = strstr(fname, "/");
+		if (perc_str) {
+			*perc_str = '\0';
+			perc_str++;
+			perc = atoi(perc_str);
+			if (perc > 100)
+				perc = 100;
+			else if (!perc)
+				perc = -1;
+		} else
+			perc = -1;
+
+		if (str_to_decimal(fname, &val, 1)) {
+			log_err("fio: bssplit conversion failed\n");
+			free(td->o.bssplit);
+			return 1;
+		}
+
+		if (val > max_bs)
+			max_bs = val;
+		if (val < min_bs)
+			min_bs = val;
+
+		td->o.bssplit[i].bs = val;
+		td->o.bssplit[i].perc = perc;
+		i++;
+	}
+
+	td->o.bssplit_nr = i;
+
+	/*
+	 * Now check if the percentages add up, and how much is missing
+	 */
+	perc = perc_missing = 0;
+	for (i = 0; i < td->o.bssplit_nr; i++) {
+		struct bssplit *bsp = &td->o.bssplit[i];
+
+		if (bsp->perc == (unsigned char) -1)
+			perc_missing++;
+		else
+			perc += bsp->perc;
+	}
+
+	if (perc > 100) {
+		log_err("fio: bssplit percentages add to more than 100%%\n");
+		free(td->o.bssplit);
+		return 1;
+	}
+	/*
+	 * If values didn't have a percentage set, divide the remains between
+	 * them.
+	 */
+	if (perc_missing) {
+		for (i = 0; i < td->o.bssplit_nr; i++) {
+			struct bssplit *bsp = &td->o.bssplit[i];
+
+			if (bsp->perc == (unsigned char) -1)
+				bsp->perc = (100 - perc) / perc_missing;
+		}
+	}
+
+	td->o.min_bs[DDIR_READ] = td->o.min_bs[DDIR_WRITE] = min_bs;
+	td->o.max_bs[DDIR_READ] = td->o.max_bs[DDIR_WRITE] = max_bs;
+
+	/*
+	 * now sort based on percentages, for ease of lookup
+	 */
+	qsort(td->o.bssplit, td->o.bssplit_nr, sizeof(struct bssplit), bs_cmp);
+
+	free(p);
+	return 0;
+}
+
 static int str_rw_cb(void *data, const char *str)
 {
 	struct thread_data *td = data;
@@ -64,8 +179,16 @@ 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;
+	td->ioprio_set = 1;
 	return 0;
 }
 
@@ -74,6 +197,14 @@ 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;
+
+	td->ioprio_set = 1;
 	return 0;
 }
 #endif
@@ -84,27 +215,46 @@ 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);
 
-	fill_cpu_mask(td->o.cpumask, *val);
+	while ((cpu = strsep(&str, ",")) != NULL) {
+		if (!strlen(cpu))
+			break;
+		CPU_SET(atoi(cpu), &td->o.cpumask);
+	}
+
+	free(p);
+	td->o.cpumask_set = 1;
+	exit(0);
 	return 0;
 }
+#endif
 
 static int str_fst_cb(void *data, const char *str)
 {
@@ -170,6 +320,52 @@ static int str_opendir_cb(void *data, const char fio_unused *str)
 	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)
@@ -246,13 +442,6 @@ static struct fio_option options[] = {
 			  },
 		},
 	},
-	{
-		.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	= "ioengine",
 		.type	= FIO_OPT_STR_STORE,
@@ -263,6 +452,9 @@ static struct fio_option options[] = {
 			  { .ival = "sync",
 			    .help = "Use read/write",
 			  },
+			  { .ival = "psync",
+			    .help = "Use pread/pwrite",
+			  },
 #ifdef FIO_HAVE_LIBAIO
 			  { .ival = "libaio",
 			    .help = "Linux native asynchronous IO",
@@ -280,6 +472,9 @@ 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",
@@ -315,6 +510,7 @@ static struct fio_option options[] = {
 		.type	= FIO_OPT_INT,
 		.off1	= td_var_offset(iodepth),
 		.help	= "Amount of IO buffers to keep in flight",
+		.minval = 1,
 		.def	= "1",
 	},
 	{
@@ -322,17 +518,20 @@ 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(size),
+		.minval = 1,
 		.help	= "Total size of device or files",
 	},
 	{
@@ -340,16 +539,27 @@ 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",
@@ -359,7 +569,16 @@ static struct fio_option options[] = {
 		.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	= "bssplit",
+		.type	= FIO_OPT_STR,
+		.cb	= str_bssplit_cb,
+		.help	= "Set a specific mix of block sizes",
+		.parent	= "rw",
 	},
 	{
 		.name	= "bs_unaligned",
@@ -367,13 +586,7 @@ static struct fio_option options[] = {
 		.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",
@@ -381,12 +594,14 @@ 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",
@@ -418,6 +633,14 @@ 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",
@@ -522,6 +745,7 @@ 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 = {
@@ -529,13 +753,41 @@ 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",
@@ -544,12 +796,45 @@ static struct fio_option options[] = {
 			  },
 		},
 	},
+	{
+		.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",
@@ -604,13 +889,6 @@ 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,
@@ -627,6 +905,14 @@ static struct fio_option options[] = {
 		.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,
@@ -667,6 +953,7 @@ 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",
@@ -674,6 +961,7 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(thinktime_blocks),
 		.help	= "IO buffer period between 'thinktime'",
 		.def	= "1",
+		.parent	= "thinktime",
 	},
 	{
 		.name	= "rate",
@@ -686,6 +974,7 @@ static struct fio_option options[] = {
 		.type	= FIO_OPT_INT,
 		.off1	= td_var_offset(ratemin),
 		.help	= "Job must meet this rate or it will be shutdown",
+		.parent	= "rate",
 	},
 	{
 		.name	= "rate_iops",
@@ -698,6 +987,7 @@ static struct fio_option options[] = {
 		.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",
@@ -705,6 +995,7 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(ratecycle),
 		.help	= "Window average for rate limits (msec)",
 		.def	= "1000",
+		.parent = "rate",
 	},
 	{
 		.name	= "invalidate",
@@ -719,6 +1010,7 @@ static struct fio_option options[] = {
 		.off1	= td_var_offset(sync_io),
 		.help	= "Use O_SYNC for buffered writes",
 		.def	= "0",
+		.parent = "buffered",
 	},
 	{
 		.name	= "bwavgtime",
@@ -753,6 +1045,7 @@ 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
 	{
@@ -761,6 +1054,12 @@ 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",
@@ -838,6 +1137,15 @@ static struct fio_option options[] = {
 		.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,
 	},