+/*
+ * This file contains job initialization and setup functions.
+ */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
+#include <getopt.h>
+#include <assert.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "fio.h"
+#include "parse.h"
+/*
+ * The default options
+ */
#define DEF_BS (4096)
#define DEF_TIMEOUT (0)
#define DEF_RATE_CYCLE (1000)
#define DEF_SEQUENTIAL (1)
#define DEF_RAND_REPEAT (1)
#define DEF_OVERWRITE (1)
-#define DEF_CREATE (1)
#define DEF_INVALIDATE (1)
#define DEF_SYNCIO (0)
#define DEF_RANDSEED (0xb1899bedUL)
#define DEF_RWMIX_CYCLE (500)
#define DEF_RWMIX_READ (50)
#define DEF_NICE (0)
+#define DEF_NR_FILES (1)
+#define DEF_UNLINK (0)
+#define DEF_WRITE_BW_LOG (0)
+#define DEF_WRITE_LAT_LOG (0)
+
+#define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var)
+
+static int str_rw_cb(void *, const char *);
+static int str_ioengine_cb(void *, const char *);
+static int str_mem_cb(void *, const char *);
+static int str_verify_cb(void *, const char *);
+static int str_lockmem_cb(void *, unsigned long *);
+static int str_prio_cb(void *, unsigned int *);
+static int str_prioclass_cb(void *, unsigned int *);
+static int str_exitall_cb(void);
+static int str_cpumask_cb(void *, unsigned int *);
-static char fio_version_string[] = "fio 1.4";
+/*
+ * Map of job/command line options
+ */
+static struct fio_option options[] = {
+ {
+ .name = "name",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(name),
+ },
+ {
+ .name = "directory",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(directory),
+ },
+ {
+ .name = "filename",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(filename),
+ },
+ {
+ .name = "rw",
+ .type = FIO_OPT_STR,
+ .cb = str_rw_cb,
+ },
+ {
+ .name = "ioengine",
+ .type = FIO_OPT_STR,
+ .cb = str_ioengine_cb,
+ },
+ {
+ .name = "mem",
+ .type = FIO_OPT_STR,
+ .cb = str_mem_cb,
+ },
+ {
+ .name = "verify",
+ .type = FIO_OPT_STR,
+ .cb = str_verify_cb,
+ },
+ {
+ .name = "write_iolog",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(write_iolog_file),
+ },
+ {
+ .name = "read_iolog",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(read_iolog_file),
+ },
+ {
+ .name = "exec_prerun",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(exec_prerun),
+ },
+ {
+ .name = "exec_postrun",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(exec_postrun),
+ },
+#ifdef FIO_HAVE_IOSCHED_SWITCH
+ {
+ .name = "ioscheduler",
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(ioscheduler),
+ },
+#endif
+ {
+ .name = "size",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(total_file_size),
+ },
+ {
+ .name = "bs",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(bs),
+ },
+ {
+ .name = "offset",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(start_offset),
+ },
+ {
+ .name = "zonesize",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(zone_size),
+ },
+ {
+ .name = "zoneskip",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(zone_skip),
+ },
+ {
+ .name = "lockmem",
+ .type = FIO_OPT_STR_VAL,
+ .cb = str_lockmem_cb,
+ },
+ {
+ .name = "bsrange",
+ .type = FIO_OPT_RANGE,
+ .off1 = td_var_offset(min_bs),
+ .off2 = td_var_offset(max_bs),
+ },
+ {
+ .name = "nrfiles",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(nr_files),
+ },
+ {
+ .name = "iodepth",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(iodepth),
+ },
+ {
+ .name = "fsync",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(fsync_blocks),
+ },
+ {
+ .name = "rwmixcycle",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(rwmixcycle),
+ },
+ {
+ .name = "rwmixread",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(rwmixread),
+ .max_val= 100,
+ },
+ {
+ .name = "rwmixwrite",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(rwmixwrite),
+ .max_val= 100,
+ },
+ {
+ .name = "nice",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(nice),
+ },
+#ifdef FIO_HAVE_IOPRIO
+ {
+ .name = "prio",
+ .type = FIO_OPT_INT,
+ .cb = str_prio_cb,
+ },
+ {
+ .name = "prioclass",
+ .type = FIO_OPT_INT,
+ .cb = str_prioclass_cb,
+ },
+#endif
+ {
+ .name = "thinktime",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(thinktime)
+ },
+ {
+ .name = "rate",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(rate)
+ },
+ {
+ .name = "ratemin",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(ratemin)
+ },
+ {
+ .name = "ratecycle",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(ratecycle)
+ },
+ {
+ .name = "startdelay",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(start_delay)
+ },
+ {
+ .name = "timeout",
+ .type = FIO_OPT_STR_VAL_TIME,
+ .off1 = td_var_offset(timeout)
+ },
+ {
+ .name = "invalidate",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(invalidate_cache)
+ },
+ {
+ .name = "sync",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(sync_io)
+ },
+ {
+ .name = "bwavgtime",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(bw_avg_time)
+ },
+ {
+ .name = "create_serialize",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(create_serialize)
+ },
+ {
+ .name = "create_fsync",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(create_fsync)
+ },
+ {
+ .name = "loops",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(loops)
+ },
+ {
+ .name = "numjobs",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(numjobs)
+ },
+ {
+ .name = "cpuload",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(cpuload)
+ },
+ {
+ .name = "cpuchunks",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(cpucycle)
+ },
+ {
+ .name = "direct",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(odirect)
+ },
+ {
+ .name = "overwrite",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(overwrite)
+ },
+#ifdef FIO_HAVE_CPU_AFFINITY
+ {
+ .name = "cpumask",
+ .type = FIO_OPT_INT,
+ .cb = str_cpumask_cb,
+ },
+#endif
+ {
+ .name = "end_fsync",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(end_fsync)
+ },
+ {
+ .name = "unlink",
+ .type = FIO_OPT_STR_SET,
+ .off1 = td_var_offset(unlink),
+ },
+ {
+ .name = "exitall",
+ .type = FIO_OPT_STR_SET,
+ .cb = str_exitall_cb,
+ },
+ {
+ .name = "stonewall",
+ .type = FIO_OPT_STR_SET,
+ .off1 = td_var_offset(stonewall),
+ },
+ {
+ .name = "thread",
+ .type = FIO_OPT_STR_SET,
+ .off1 = td_var_offset(thread),
+ },
+ {
+ .name = "write_bw_log",
+ .type = FIO_OPT_STR_SET,
+ .off1 = td_var_offset(write_bw_log),
+ },
+ {
+ .name = "write_lat_log",
+ .type = FIO_OPT_STR_SET,
+ .off1 = td_var_offset(write_lat_log),
+ },
+ {
+ .name = NULL,
+ },
+};
+
+#define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option))
+#define FIO_CMD_OPTS (16)
+#define FIO_GETOPT_JOB (0x89988998)
-static int repeatable = DEF_RAND_REPEAT;
-static char *ini_file;
+/*
+ * Command line options. These will contain the above, plus a few
+ * extra that only pertain to fio itself and not jobs.
+ */
+static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = {
+ {
+ .name = "output",
+ .has_arg = required_argument,
+ .val = 'o',
+ },
+ {
+ .name = "timeout",
+ .has_arg = required_argument,
+ .val = 't',
+ },
+ {
+ .name = "latency-log",
+ .has_arg = required_argument,
+ .val = 'l',
+ },
+ {
+ .name = "bandwidth-log",
+ .has_arg = required_argument,
+ .val = 'b',
+ },
+ {
+ .name = "minimal",
+ .has_arg = optional_argument,
+ .val = 'm',
+ },
+ {
+ .name = "version",
+ .has_arg = no_argument,
+ .val = 'v',
+ },
+ {
+ .name = NULL,
+ },
+};
+
+static int def_timeout = DEF_TIMEOUT;
+
+static char fio_version_string[] = "fio 1.7";
+
+static char **ini_file;
static int max_jobs = MAX_JOBS;
struct thread_data def_thread;
struct thread_data *threads = NULL;
int rate_quit = 0;
-int write_lat_log = 0;
-int write_bw_log = 0;
int exitall_on_terminate = 0;
+int terse_output = 0;
unsigned long long mlock_size = 0;
+FILE *f_out = NULL;
+FILE *f_err = NULL;
+
+static int write_lat_log = DEF_WRITE_LAT_LOG;
+static int write_bw_log = DEF_WRITE_BW_LOG;
+/*
+ * Return a free job structure.
+ */
static struct thread_data *get_new_job(int global, struct thread_data *parent)
{
struct thread_data *td;
return NULL;
td = &threads[thread_number++];
- if (parent)
- *td = *parent;
- else
- memset(td, 0, sizeof(*td));
+ *td = *parent;
- td->fd = -1;
td->thread_number = thread_number;
-
- td->ddir = parent->ddir;
- td->ioprio = parent->ioprio;
- td->sequential = parent->sequential;
- td->bs = parent->bs;
- td->min_bs = parent->min_bs;
- td->max_bs = parent->max_bs;
- td->odirect = parent->odirect;
- td->thinktime = parent->thinktime;
- td->fsync_blocks = parent->fsync_blocks;
- td->start_delay = parent->start_delay;
- td->timeout = parent->timeout;
- td->io_engine = parent->io_engine;
- td->create_file = parent->create_file;
- td->overwrite = parent->overwrite;
- td->invalidate_cache = parent->invalidate_cache;
- td->file_size = parent->file_size;
- td->file_offset = parent->file_offset;
- td->zone_size = parent->zone_size;
- td->zone_skip = parent->zone_skip;
- td->rate = parent->rate;
- td->ratemin = parent->ratemin;
- td->ratecycle = parent->ratecycle;
- td->iodepth = parent->iodepth;
- td->sync_io = parent->sync_io;
- td->mem_type = parent->mem_type;
- td->bw_avg_time = parent->bw_avg_time;
- td->create_serialize = parent->create_serialize;
- td->create_fsync = parent->create_fsync;
- td->loops = parent->loops;
- td->verify = parent->verify;
- td->stonewall = parent->stonewall;
- td->numjobs = parent->numjobs;
- td->use_thread = parent->use_thread;
- td->do_disk_util = parent->do_disk_util;
- memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask));
- strcpy(td->io_engine_name, parent->io_engine_name);
-
return td;
}
thread_number--;
}
+/*
+ * Lazy way of fixing up options that depend on each other. We could also
+ * define option callback handlers, but this is easier.
+ */
+static void fixup_options(struct thread_data *td)
+{
+ if (!td->min_bs)
+ td->min_bs = td->bs;
+ if (!td->max_bs)
+ td->max_bs = td->bs;
+
+ if (!td->rwmixread && td->rwmixwrite)
+ td->rwmixread = 100 - td->rwmixwrite;
+
+ if (td->write_iolog_file && td->read_iolog_file) {
+ log_err("fio: read iolog overrides write_iolog\n");
+ free(td->write_iolog_file);
+ td->write_iolog_file = NULL;
+ }
+}
+
+/*
+ * Adds a job to the list of things todo. Sanitizes the various options
+ * 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)
{
char *ddir_str[] = { "read", "write", "randread", "randwrite",
"rw", NULL, "randrw" };
struct stat sb;
- int numjobs, ddir;
+ int numjobs, ddir, i;
+ struct fio_file *f;
#ifndef FIO_HAVE_LIBAIO
if (td->io_engine == FIO_LIBAIO) {
- fprintf(stderr, "Linux libaio not available\n");
+ log_err("Linux libaio not available\n");
return 1;
}
#endif
#ifndef FIO_HAVE_POSIXAIO
if (td->io_engine == FIO_POSIXAIO) {
- fprintf(stderr, "posix aio not available\n");
+ log_err("posix aio not available\n");
return 1;
}
#endif
+ fixup_options(td);
+
/*
* the def_thread is just for options, it's not a real job
*/
if (td == &def_thread)
return 0;
- if (td->io_engine & FIO_SYNCIO)
+ /*
+ * Set default io engine, if none set
+ */
+ if (!td->io_ops) {
+ td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME);
+ if (!td->io_ops) {
+ log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME);
+ return 1;
+ }
+ }
+
+ if (td->io_ops->flags & FIO_SYNCIO)
td->iodepth = 1;
else {
if (!td->iodepth)
- td->iodepth = 1;
+ td->iodepth = td->nr_files;
}
/*
- * only really works for sequential io for now
+ * only really works for sequential io for now, and with 1 file
*/
- if (td->zone_size && !td->sequential)
+ if (td->zone_size && !td->sequential && td->nr_files == 1)
td->zone_size = 0;
+ /*
+ * Reads can do overwrites, we always need to pre-create the file
+ */
+ if (td_read(td) || td_rw(td))
+ td->overwrite = 1;
+
td->filetype = FIO_TYPE_FILE;
if (!stat(jobname, &sb)) {
if (S_ISBLK(sb.st_mode))
td->filetype = FIO_TYPE_CHAR;
}
- if (td->filetype == FIO_TYPE_FILE) {
+ if (td->odirect)
+ td->io_ops->flags |= FIO_RAWIO;
+
+ if (td->filename)
+ td->nr_uniq_files = 1;
+ else
+ td->nr_uniq_files = td->nr_files;
+
+ if (td->filetype == FIO_TYPE_FILE || td->filename) {
char tmp[PATH_MAX];
+ int len = 0;
+ int i;
if (td->directory && td->directory[0] != '\0')
- sprintf(tmp, "%s/%s.%d", td->directory, jobname, td->jobnum);
- else
- sprintf(tmp, "%s.%d", jobname, td->jobnum);
- td->file_name = strdup(tmp);
- } else
- td->file_name = strdup(jobname);
+ sprintf(tmp, "%s/", td->directory);
+ td->files = malloc(sizeof(struct fio_file) * td->nr_files);
+
+ for_each_file(td, f, i) {
+ memset(f, 0, sizeof(*f));
+ f->fd = -1;
+
+ if (td->filename)
+ sprintf(tmp + len, "%s", td->filename);
+ else
+ sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i);
+ f->file_name = strdup(tmp);
+ }
+ } else {
+ td->nr_files = 1;
+ td->files = malloc(sizeof(struct fio_file));
+ f = &td->files[0];
+
+ memset(f, 0, sizeof(*f));
+ f->fd = -1;
+ f->file_name = strdup(jobname);
+ }
+
+ for_each_file(td, f, i) {
+ f->file_size = td->total_file_size / td->nr_files;
+ f->file_offset = td->start_offset;
+ }
+
fio_sem_init(&td->mutex, 0);
td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX;
if (setup_rate(td))
goto err;
- if (write_lat_log) {
+ if (td->write_lat_log) {
setup_log(&td->slat_log);
setup_log(&td->clat_log);
}
- if (write_bw_log)
+ if (td->write_bw_log)
setup_log(&td->bw_log);
- if (td->name[0] == '\0')
- snprintf(td->name, sizeof(td->name)-1, "client%d", td->thread_number);
+ if (!td->name)
+ td->name = strdup(jobname);
ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2);
- if (!job_add_num)
- printf("%s: (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_engine_name, td->iodepth);
- else if (job_add_num == 1)
- printf("...\n");
+ if (!terse_output) {
+ if (!job_add_num) {
+ if (td->io_ops->flags & FIO_CPUIO)
+ fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle);
+ else
+ fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_ops->name, td->iodepth);
+ } else if (job_add_num == 1)
+ fprintf(f_out, "...\n");
+ }
/*
* recurse add identical jobs, clear numjobs and stonewall options
td_new->numjobs = 1;
td_new->stonewall = 0;
- td_new->jobnum = numjobs;
job_add_num = numjobs - 1;
if (add_job(td_new, jobname, job_add_num))
return -1;
}
+/*
+ * Initialize the various random states we need (random io, block size ranges,
+ * read/write mix, etc).
+ */
int init_random_state(struct thread_data *td)
{
unsigned long seeds[4];
- int fd, num_maps, blocks;
+ int fd, num_maps, blocks, i;
+ struct fio_file *f;
+
+ if (td->io_ops->flags & FIO_CPUIO)
+ return 0;
fd = open("/dev/urandom", O_RDONLY);
if (fd == -1) {
if (td->sequential)
return 0;
- if (repeatable)
+ if (td->rand_repeatable)
seeds[3] = DEF_RANDSEED;
- blocks = (td->io_size + td->min_bs - 1) / td->min_bs;
- num_maps = blocks / BLOCKS_PER_MAP;
- td->file_map = malloc(num_maps * sizeof(long));
- td->num_maps = num_maps;
- memset(td->file_map, 0, num_maps * sizeof(long));
+ for_each_file(td, f, i) {
+ blocks = (f->file_size + td->min_bs - 1) / td->min_bs;
+ num_maps = blocks / BLOCKS_PER_MAP;
+ f->file_map = malloc(num_maps * sizeof(long));
+ f->num_maps = num_maps;
+ memset(f->file_map, 0, num_maps * sizeof(long));
+ }
os_random_seed(seeds[3], &td->random_state);
return 0;
#endif
}
-static unsigned long get_mult(char c)
-{
- switch (c) {
- case 'k':
- case 'K':
- return 1024;
- case 'm':
- case 'M':
- return 1024 * 1024;
- case 'g':
- case 'G':
- return 1024 * 1024 * 1024;
- default:
- return 1;
- }
-}
-
-/*
- * convert string after '=' into decimal value, noting any size suffix
- */
-static int str_cnv(char *p, unsigned long long *val)
-{
- char *str;
- int len;
-
- str = strchr(p, '=');
- if (!str)
- return 1;
-
- str++;
- len = strlen(str);
-
- *val = strtoul(str, NULL, 10);
- if (*val == ULONG_MAX && errno == ERANGE)
- return 1;
-
- *val *= get_mult(str[len - 1]);
- return 0;
-}
-
-static int check_strcnv(char *p, char *name, unsigned long long *val)
-{
- if (strncmp(p, name, strlen(name) - 1))
- return 1;
-
- return str_cnv(p, val);
-}
-
-static void strip_blank_front(char **p)
-{
- char *s = *p;
-
- while (isspace(*s))
- s++;
-}
-
-static void strip_blank_end(char *p)
-{
- char *s = p + strlen(p) - 1;
-
- while (isspace(*s) || iscntrl(*s))
- s--;
-
- *(s + 1) = '\0';
-}
-
-typedef int (str_cb_fn)(struct thread_data *, char *);
-
-static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td)
-{
- char *s;
-
- if (strncmp(p, name, strlen(name)))
- return 1;
-
- s = strstr(p, name);
- if (!s)
- return 1;
-
- s = strchr(s, '=');
- if (!s)
- return 1;
-
- s++;
- strip_blank_front(&s);
- return cb(td, s);
-}
-
-static int check_strstore(char *p, char *name, char *dest)
-{
- char *s;
-
- if (strncmp(p, name, strlen(name)))
- return 1;
-
- s = strstr(p, name);
- if (!s)
- return 1;
-
- s = strchr(p, '=');
- if (!s)
- return 1;
-
- s++;
- strip_blank_front(&s);
-
- strcpy(dest, s);
- return 0;
-}
-
-static int __check_range(char *str, unsigned long *val)
-{
- char suffix;
-
- if (sscanf(str, "%lu%c", val, &suffix) == 2) {
- *val *= get_mult(suffix);
- return 0;
- }
-
- if (sscanf(str, "%lu", val) == 1)
- return 0;
-
- return 1;
-}
-
-static int check_range(char *p, char *name, unsigned long *s, unsigned long *e)
-{
- char option[128];
- char *str, *p1, *p2;
-
- if (strncmp(p, name, strlen(name)))
- return 1;
-
- strcpy(option, p);
- p = option;
-
- str = strstr(p, name);
- if (!str)
- return 1;
-
- p += strlen(name);
-
- str = strchr(p, '=');
- if (!str)
- return 1;
-
- /*
- * 'p' now holds whatever is after the '=' sign
- */
- p1 = str + 1;
-
- /*
- * terminate p1 at the '-' sign
- */
- p = strchr(p1, '-');
- if (!p)
- return 1;
-
- p2 = p + 1;
- *p = '\0';
-
- if (!__check_range(p1, s) && !__check_range(p2, e))
- return 0;
-
- return 1;
-}
-
-static int check_int(char *p, char *name, unsigned int *val)
-{
- char *str;
-
- if (strncmp(p, name, strlen(name)))
- return 1;
-
- str = strstr(p, name);
- if (!str)
- return 1;
-
- str = strchr(p, '=');
- if (!str)
- return 1;
-
- str++;
-
- if (sscanf(str, "%u", val) == 1)
- return 0;
-
- return 1;
-}
-
-static int check_strset(char *p, char *name)
-{
- return strncmp(p, name, strlen(name));
-}
-
static int is_empty_or_comment(char *line)
{
unsigned int i;
return 1;
}
-static int str_rw_cb(struct thread_data *td, char *mem)
+static int str_rw_cb(void *data, const char *mem)
{
+ struct thread_data *td = data;
+
if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) {
td->ddir = DDIR_READ;
td->sequential = 1;
return 0;
}
- fprintf(stderr, "fio: data direction: read, write, randread, randwrite, rw, randrw\n");
+ log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n");
return 1;
}
-static int str_verify_cb(struct thread_data *td, char *mem)
+static int str_verify_cb(void *data, const char *mem)
{
+ struct thread_data *td = data;
+
if (!strncmp(mem, "0", 1)) {
td->verify = VERIFY_NONE;
return 0;
return 0;
}
- fprintf(stderr, "fio: verify types: md5, crc32\n");
+ log_err("fio: verify types: md5, crc32\n");
return 1;
}
-static int str_mem_cb(struct thread_data *td, char *mem)
+static int str_mem_cb(void *data, const char *mem)
{
+ struct thread_data *td = data;
+
if (!strncmp(mem, "malloc", 6)) {
td->mem_type = MEM_MALLOC;
return 0;
return 0;
}
- fprintf(stderr, "fio: mem type: malloc, shm, mmap\n");
+ log_err("fio: mem type: malloc, shm, mmap\n");
return 1;
}
-static int str_ioengine_cb(struct thread_data *td, char *str)
+static int str_ioengine_cb(void *data, const char *str)
{
- if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) ||
- !strncmp(str, "libaio", 6)) {
- strcpy(td->io_engine_name, "libaio");
- td->io_engine = FIO_LIBAIO;
- return 0;
- } else if (!strncmp(str, "posixaio", 8)) {
- strcpy(td->io_engine_name, "posixaio");
- td->io_engine = FIO_POSIXAIO;
- return 0;
- } else if (!strncmp(str, "sync", 4)) {
- strcpy(td->io_engine_name, "sync");
- td->io_engine = FIO_SYNCIO;
- return 0;
- } else if (!strncmp(str, "mmap", 4)) {
- strcpy(td->io_engine_name, "mmap");
- td->io_engine = FIO_MMAPIO;
- return 0;
- } else if (!strncmp(str, "sgio", 4)) {
- strcpy(td->io_engine_name, "sgio");
- td->io_engine = FIO_SGIO;
- return 0;
- } else if (!strncmp(str, "splice", 6)) {
- strcpy(td->io_engine_name, "splice");
- td->io_engine = FIO_SPLICEIO;
+ struct thread_data *td = data;
+
+ td->io_ops = load_ioengine(td, str);
+ if (td->io_ops)
return 0;
- }
- fprintf(stderr, "fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice\n");
+ log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n");
return 1;
}
+static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
+{
+ mlock_size = *val;
+ return 0;
+}
+
+static int str_prioclass_cb(void *data, unsigned int *val)
+{
+ struct thread_data *td = data;
+
+ td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
+ return 0;
+}
+
+static int str_prio_cb(void *data, unsigned int *val)
+{
+ struct thread_data *td = data;
+
+ td->ioprio |= *val;
+ return 0;
+}
+
+static int str_exitall_cb(void)
+{
+ exitall_on_terminate = 1;
+ return 0;
+}
+
+static int str_cpumask_cb(void *data, unsigned int *val)
+{
+ struct thread_data *td = data;
+
+ fill_cpu_mask(td->cpumask, *val);
+ return 0;
+}
+
/*
* This is our [ini] type file parser.
*/
-int parse_jobs_ini(char *file)
+int parse_jobs_ini(char *file, int stonewall_flag)
{
- unsigned int prioclass, prio, cpu, global, il;
- unsigned long long ull;
- unsigned long ul1, ul2;
+ unsigned int global;
struct thread_data *td;
char *string, *name, *tmpbuf;
fpos_t off;
FILE *f;
char *p;
- int ret = 0;
+ int ret = 0, stonewall;
f = fopen(file, "r");
if (!f) {
name = malloc(256);
tmpbuf = malloc(4096);
+ stonewall = stonewall_flag;
while ((p = fgets(string, 4096, f)) != NULL) {
if (ret)
break;
break;
}
+ /*
+ * Seperate multiple job files by a stonewall
+ */
+ if (!global && stonewall) {
+ td->stonewall = stonewall;
+ stonewall = 0;
+ }
+
fgetpos(f, &off);
while ((p = fgets(string, 4096, f)) != NULL) {
if (is_empty_or_comment(p))
continue;
if (strstr(p, "["))
break;
+
strip_blank_front(&p);
strip_blank_end(p);
- if (!check_int(p, "prio", &prio)) {
-#ifndef FIO_HAVE_IOPRIO
- fprintf(stderr, "io priorities not available\n");
- ret = 1;
- break;
-#endif
- td->ioprio |= prio;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "prioclass", &prioclass)) {
-#ifndef FIO_HAVE_IOPRIO
- fprintf(stderr, "io priorities not available\n");
- ret = 1;
- break;
-#else
- td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT;
- fgetpos(f, &off);
- continue;
-#endif
- }
- if (!check_int(p, "direct", &il)) {
- td->odirect = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "rate", &td->rate)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "ratemin", &td->ratemin)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "ratecycle", &td->ratecycle)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "thinktime", &td->thinktime)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "cpumask", &cpu)) {
-#ifndef FIO_HAVE_CPU_AFFINITY
- fprintf(stderr, "cpu affinity not available\n");
- ret = 1;
- break;
-#endif
- fill_cpu_mask(td->cpumask, cpu);
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "fsync", &td->fsync_blocks)) {
- fgetpos(f, &off);
- td->end_fsync = 1;
- continue;
- }
- if (!check_int(p, "startdelay", &td->start_delay)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "timeout", &td->timeout)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "invalidate", &il)) {
- td->invalidate_cache = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "iodepth", &td->iodepth)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "sync", &il)) {
- td->sync_io = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "bwavgtime", &td->bw_avg_time)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "create_serialize", &il)) {
- td->create_serialize = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "create_fsync", &il)) {
- td->create_fsync = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "end_fsync", &il)) {
- td->end_fsync = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "loops", &td->loops)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "numjobs", &td->numjobs)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "overwrite", &il)) {
- td->overwrite = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "rwmixread", &il)) {
- if (il > 100)
- il = 100;
- td->rwmixread = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "rwmixwrite", &il)) {
- if (il > 100)
- il = 100;
- td->rwmixread = 100 - il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "nice", &td->nice)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_range(p, "bsrange", &ul1, &ul2)) {
- if (ul1 > ul2) {
- td->max_bs = ul1;
- td->min_bs = ul2;
- } else {
- td->max_bs = ul2;
- td->min_bs = ul1;
- }
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "bs", &ull)) {
- td->bs = ull;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "size", &td->file_size)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "offset", &td->file_offset)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "zonesize", &td->zone_size)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "zoneskip", &td->zone_skip)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "lockmem", &mlock_size)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strstore(p, "directory", tmpbuf)) {
- td->directory = strdup(tmpbuf);
- fgetpos(f, &off);
- continue;
- }
- if (!check_strstore(p, "name", tmpbuf)) {
- snprintf(td->name, sizeof(td->name)-1, "%s%d", tmpbuf, td->thread_number);
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "mem", str_mem_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "verify", str_verify_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "rw", str_rw_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "ioengine", str_ioengine_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "create")) {
- td->create_file = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "exitall")) {
- exitall_on_terminate = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "stonewall")) {
- td->stonewall = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "thread")) {
- td->use_thread = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strstore(p, "iolog", tmpbuf)) {
- td->iolog_file = strdup(tmpbuf);
- td->read_iolog = 1;
- td->write_iolog = 0;
- fgetpos(f, &off);
- continue;
- }
- if (!td->read_iolog &&
- !check_strstore(p, "write_iolog", tmpbuf)) {
- td->iolog_file = strdup(tmpbuf);
- td->write_iolog = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strstore(p, "exec_prerun", tmpbuf)) {
- td->exec_prerun = strdup(tmpbuf);
- fgetpos(f, &off);
- continue;
- }
- if (!check_strstore(p, "exec_postrun", tmpbuf)) {
- td->exec_postrun = strdup(tmpbuf);
- fgetpos(f, &off);
- continue;
- }
- if (!check_strstore(p, "ioscheduler", tmpbuf)) {
-#ifndef FIO_HAVE_IOSCHED_SWITCH
- fprintf(stderr, "io scheduler switching not available\n");
- ret = 1;
- break;
-#else
- td->ioscheduler = strdup(tmpbuf);
- fgetpos(f, &off);
- continue;
-#endif
- }
+ fgetpos(f, &off);
/*
* Don't break here, continue parsing options so we
* dump all the bad ones. Makes trial/error fixups
* easier on the user.
*/
- printf("Client%d: bad option %s\n",td->thread_number,p);
- ret = 1;
+ ret = parse_option(p, options, td);
}
if (!ret) {
def_thread.bs = DEF_BS;
def_thread.min_bs = -1;
def_thread.max_bs = -1;
- def_thread.io_engine = DEF_IO_ENGINE;
- strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME);
def_thread.odirect = DEF_ODIRECT;
def_thread.ratecycle = DEF_RATE_CYCLE;
def_thread.sequential = DEF_SEQUENTIAL;
- def_thread.timeout = DEF_TIMEOUT;
- def_thread.create_file = DEF_CREATE;
+ def_thread.timeout = def_timeout;
def_thread.overwrite = DEF_OVERWRITE;
def_thread.invalidate_cache = DEF_INVALIDATE;
def_thread.sync_io = DEF_SYNCIO;
def_thread.rwmixcycle = DEF_RWMIX_CYCLE;
def_thread.rwmixread = DEF_RWMIX_READ;
def_thread.nice = DEF_NICE;
+ def_thread.rand_repeatable = DEF_RAND_REPEAT;
+ def_thread.nr_files = DEF_NR_FILES;
+ def_thread.unlink = DEF_UNLINK;
+ def_thread.write_bw_log = write_bw_log;
+ def_thread.write_lat_log = write_lat_log;
#ifdef FIO_HAVE_DISK_UTIL
def_thread.do_disk_util = 1;
#endif
return 0;
}
-static void usage(char *name)
+static void usage(void)
{
printf("%s\n", fio_version_string);
- printf("\t-s IO is sequential\n");
- printf("\t-b Block size in KiB for each IO\n");
- printf("\t-t Runtime in seconds\n");
- printf("\t-R Exit all threads on failure to meet rate goal\n");
- printf("\t-o Use O_DIRECT\n");
- printf("\t-l Generate per-job latency logs\n");
- printf("\t-w Generate per-job bandwidth logs\n");
- printf("\t-f Job file (Required)\n");
- printf("\t-v Print version info and exit\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");
+ printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
+ printf("\t--minimal\tMinimal (terse) output\n");
+ printf("\t--version\tPrint version info and exit\n");
}
-static void parse_cmd_line(int argc, char *argv[])
+static int parse_cmd_line(int argc, char *argv[])
{
- int c;
+ struct thread_data *td = NULL;
+ int c, ini_idx = 0, lidx, ret;
- while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvh")) != EOF) {
+ while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) {
switch (c) {
- case 's':
- def_thread.sequential = !!atoi(optarg);
- break;
- case 'b':
- def_thread.bs = atoi(optarg);
- def_thread.bs <<= 10;
- if (!def_thread.bs) {
- printf("bad block size\n");
- def_thread.bs = DEF_BS;
+ case 't':
+ def_timeout = atoi(optarg);
+ break;
+ case 'l':
+ write_lat_log = 1;
+ break;
+ case 'w':
+ write_bw_log = 1;
+ break;
+ case 'o':
+ f_out = fopen(optarg, "w+");
+ if (!f_out) {
+ perror("fopen output");
+ exit(1);
+ }
+ f_err = f_out;
+ break;
+ case 'm':
+ terse_output = 1;
+ break;
+ case 'h':
+ usage();
+ exit(0);
+ case 'v':
+ printf("%s\n", fio_version_string);
+ exit(0);
+ case FIO_GETOPT_JOB: {
+ const char *opt = long_options[lidx].name;
+ char *val = optarg;
+
+ if (!strncmp(opt, "name", 4) && td) {
+ ret = add_job(td, td->name ?: "fio", 0);
+ if (ret) {
+ put_job(td);
+ return 0;
}
- break;
- case 't':
- def_thread.timeout = atoi(optarg);
- break;
- case 'r':
- repeatable = !!atoi(optarg);
- break;
- case 'R':
- rate_quit = !!atoi(optarg);
- break;
- case 'o':
- def_thread.odirect = !!atoi(optarg);
- break;
- case 'f':
- ini_file = strdup(optarg);
- break;
- case 'l':
- write_lat_log = 1;
- break;
- case 'w':
- write_bw_log = 1;
- break;
- case 'h':
- usage(argv[0]);
- exit(0);
- case 'v':
- printf("%s\n", fio_version_string);
- exit(0);
+ td = NULL;
+ }
+ if (!td) {
+ int global = !strncmp(opt, "global", 6);
+
+ td = get_new_job(global, &def_thread);
+ if (!td)
+ return 0;
+ }
+ if (parse_cmd_option(opt, val, options, td))
+ printf("foo\n");
+ break;
+ }
+ default:
+ printf("optarg <<%s>>\n", argv[optind]);
+ break;
}
}
- if (!ini_file && argc > 1 && argv[argc - 1][0] != '-')
- ini_file = strdup(argv[argc - 1]);
+ if (td) {
+ ret = add_job(td, td->name ?: "fio", 0);
+ if (ret)
+ put_job(td);
+ }
+
+ while (optind < argc) {
+ ini_idx++;
+ ini_file = realloc(ini_file, ini_idx * sizeof(char *));
+ ini_file[ini_idx - 1] = strdup(argv[optind]);
+ optind++;
+ }
+
+ return ini_idx;
}
static void free_shm(void)
struct shmid_ds sbuf;
if (threads) {
- shmdt(threads);
+ shmdt((void *) threads);
threads = NULL;
shmctl(shm_id, IPC_RMID, &sbuf);
}
}
+/*
+ * The thread area is shared between the main process and the job
+ * threads/processes. So setup a shared memory segment that will hold
+ * all the job info.
+ */
static int setup_thread_area(void)
{
/*
* we get a failure that looks like too large a shm segment
*/
do {
- int s = max_jobs * sizeof(struct thread_data);
+ size_t size = max_jobs * sizeof(struct thread_data);
- shm_id = shmget(0, s, IPC_CREAT | 0600);
+ shm_id = shmget(0, size, IPC_CREAT | 0600);
if (shm_id != -1)
break;
if (errno != EINVAL) {
return 0;
}
+/*
+ * Copy the fio options into the long options map, so we mirror
+ * job and cmd line options.
+ */
+static void dupe_job_options(void)
+{
+ struct fio_option *o;
+ unsigned int i;
+
+ i = 0;
+ while (long_options[i].name)
+ i++;
+
+ o = &options[0];
+ while (o->name) {
+ long_options[i].name = o->name;
+ long_options[i].val = FIO_GETOPT_JOB;
+ if (o->type == FIO_OPT_STR_SET)
+ long_options[i].has_arg = no_argument;
+ else
+ long_options[i].has_arg = required_argument;
+
+ i++;
+ o++;
+ assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS);
+ }
+}
+
int parse_options(int argc, char *argv[])
{
+ int job_files, i;
+
+ f_out = stdout;
+ f_err = stderr;
+
+ dupe_job_options();
+
if (setup_thread_area())
return 1;
if (fill_def_thread())
return 1;
- parse_cmd_line(argc, argv);
+ job_files = parse_cmd_line(argc, argv);
- if (!ini_file) {
- printf("Need job file\n");
- usage(argv[0]);
- return 1;
+ for (i = 0; i < job_files; i++) {
+ if (fill_def_thread())
+ return 1;
+ if (parse_jobs_ini(ini_file[i], i))
+ return 1;
+ free(ini_file[i]);
}
- if (parse_jobs_ini(ini_file))
+ free(ini_file);
+
+ if (!thread_number) {
+ log_err("No jobs defined(s)\n");
+ usage();
return 1;
+ }
return 0;
}