+/*
+ * This file contains the ini and command liner parser. It will create
+ * and initialize the specified jobs.
+ */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "fio.h"
+/*
+ * The default options
+ */
#define DEF_BS (4096)
#define DEF_TIMEOUT (0)
#define DEF_RATE_CYCLE (1000)
#define DEF_RWMIX_READ (50)
#define DEF_NICE (0)
-static int def_sequential = DEF_SEQUENTIAL;
-static int def_bs = DEF_BS;
static int def_timeout = DEF_TIMEOUT;
-static int def_repeatable = DEF_RAND_REPEAT;
-static int def_odirect = DEF_ODIRECT;
static char fio_version_string[] = "fio 1.4";
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;
+/*
+ * Return a free job structure.
+ */
static struct thread_data *get_new_job(int global, struct thread_data *parent)
{
struct thread_data *td;
thread_number--;
}
+/*
+ * 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",
if (td->zone_size && !td->sequential)
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))
ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2);
- if (!job_add_num)
- 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_engine_name, td->iodepth);
- else if (job_add_num == 1)
- fprintf(f_out, "...\n");
+ if (!terse_output) {
+ if (!job_add_num)
+ 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_engine_name, td->iodepth);
+ else if (job_add_num == 1)
+ fprintf(f_out, "...\n");
+ }
/*
* recurse add identical jobs, clear numjobs and stonewall options
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];
if (td->sequential)
return 0;
- if (def_repeatable)
+ if (td->rand_repeatable)
seeds[3] = DEF_RANDSEED;
blocks = (td->io_size + td->min_bs - 1) / td->min_bs;
#endif
}
-static unsigned long get_mult(char c)
+static unsigned long get_mult_time(char c)
+{
+ switch (c) {
+ case 'm':
+ case 'M':
+ return 60;
+ case 'h':
+ case 'H':
+ return 60 * 60;
+ case 'd':
+ case 'D':
+ return 24 * 60 * 60;
+ default:
+ return 1;
+ }
+}
+
+static unsigned long get_mult_bytes(char c)
{
switch (c) {
case 'k':
/*
* convert string after '=' into decimal value, noting any size suffix
*/
-static int str_cnv(char *p, unsigned long long *val)
+static int str_to_decimal(char *p, unsigned long long *val, int kilo)
{
char *str;
int len;
if (*val == ULONG_MAX && errno == ERANGE)
return 1;
- *val *= get_mult(str[len - 1]);
+ if (kilo)
+ *val *= get_mult_bytes(str[len - 1]);
+ else
+ *val *= get_mult_time(str[len - 1]);
return 0;
}
-static int check_strcnv(char *p, char *name, unsigned long long *val)
+static int check_str_bytes(char *p, char *name, unsigned long long *val)
{
if (strncmp(p, name, strlen(name) - 1))
return 1;
- return str_cnv(p, val);
+ return str_to_decimal(p, val, 1);
+}
+
+static int check_str_time(char *p, char *name, unsigned long long *val)
+{
+ if (strncmp(p, name, strlen(name) - 1))
+ return 1;
+
+ return str_to_decimal(p, val, 0);
}
static void strip_blank_front(char **p)
return 0;
}
-static int __check_range(char *str, unsigned long *val)
+static int __check_range_bytes(char *str, unsigned long *val)
{
char suffix;
if (sscanf(str, "%lu%c", val, &suffix) == 2) {
- *val *= get_mult(suffix);
+ *val *= get_mult_bytes(suffix);
return 0;
}
return 1;
}
-static int check_range(char *p, char *name, unsigned long *s, unsigned long *e)
+static int check_range_bytes(char *p, char *name, unsigned long *s,
+ unsigned long *e)
{
char option[128];
char *str, *p1, *p2;
p2 = p + 1;
*p = '\0';
- if (!__check_range(p1, s) && !__check_range(p2, e))
+ if (!__check_range_bytes(p1, s) && !__check_range_bytes(p2, e))
return 0;
return 1;
fgetpos(f, &off);
continue;
}
+ if (!check_int(p, "rand_repeatable", &il)) {
+ td->rand_repeatable = il;
+ fgetpos(f, &off);
+ continue;
+ }
if (!check_int(p, "rate", &td->rate)) {
fgetpos(f, &off);
continue;
fgetpos(f, &off);
continue;
}
- if (!check_int(p, "timeout", &td->timeout)) {
+ if (!check_str_time(p, "timeout", &ull)) {
+ td->timeout = ul1;
fgetpos(f, &off);
continue;
}
fgetpos(f, &off);
continue;
}
- if (!check_range(p, "bsrange", &ul1, &ul2)) {
+ if (!check_range_bytes(p, "bsrange", &ul1, &ul2)) {
if (ul1 > ul2) {
td->max_bs = ul1;
td->min_bs = ul2;
fgetpos(f, &off);
continue;
}
- if (!check_strcnv(p, "bs", &ull)) {
+ if (!check_str_bytes(p, "bs", &ull)) {
td->bs = ull;
fgetpos(f, &off);
continue;
}
- if (!check_strcnv(p, "size", &td->file_size)) {
+ if (!check_str_bytes(p, "size", &td->file_size)) {
fgetpos(f, &off);
continue;
}
- if (!check_strcnv(p, "offset", &td->file_offset)) {
+ if (!check_str_bytes(p, "offset", &td->file_offset)) {
fgetpos(f, &off);
continue;
}
- if (!check_strcnv(p, "zonesize", &td->zone_size)) {
+ if (!check_str_bytes(p, "zonesize", &td->zone_size)) {
fgetpos(f, &off);
continue;
}
- if (!check_strcnv(p, "zoneskip", &td->zone_skip)) {
+ if (!check_str_bytes(p, "zoneskip", &td->zone_skip)) {
fgetpos(f, &off);
continue;
}
- if (!check_strcnv(p, "lockmem", &mlock_size)) {
+ if (!check_str_bytes(p, "lockmem", &mlock_size)) {
fgetpos(f, &off);
continue;
}
*/
def_thread.ddir = DDIR_READ;
def_thread.iomix = 0;
- def_thread.bs = def_bs;
+ 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.odirect = DEF_ODIRECT;
def_thread.ratecycle = DEF_RATE_CYCLE;
- def_thread.sequential = def_sequential;
+ def_thread.sequential = DEF_SEQUENTIAL;
def_thread.timeout = def_timeout;
def_thread.create_file = DEF_CREATE;
def_thread.overwrite = DEF_OVERWRITE;
def_thread.rwmixcycle = DEF_RWMIX_CYCLE;
def_thread.rwmixread = DEF_RWMIX_READ;
def_thread.nice = DEF_NICE;
+ def_thread.rand_repeatable = DEF_RAND_REPEAT;
#ifdef FIO_HAVE_DISK_UTIL
def_thread.do_disk_util = 1;
#endif
static void usage(char *name)
{
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-o Write output to file\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-m Minimal (terse) output\n");
printf("\t-f Job file (Required)\n");
printf("\t-v Print version info and exit\n");
}
{
int c, idx = 1, ini_idx = 0;
- while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvhO:")) != EOF) {
+ while ((c = getopt(argc, argv, "t:o:f:lwvhm")) != EOF) {
switch (c) {
- case 's':
- def_sequential = !!atoi(optarg);
- idx++;
- break;
- case 'b':
- def_bs = atoi(optarg);
- def_bs <<= 10;
- if (!def_bs) {
- printf("bad block size\n");
- def_bs = DEF_BS;
- }
- idx++;
- break;
case 't':
def_timeout = atoi(optarg);
idx++;
break;
- case 'r':
- def_repeatable = !!atoi(optarg);
- idx++;
- break;
- case 'R':
- rate_quit = !!atoi(optarg);
- idx++;
- break;
- case 'o':
- def_odirect = !!atoi(optarg);
- idx++;
- break;
case 'f':
ini_idx++;
ini_file = realloc(ini_file, ini_idx * sizeof(char *));
write_bw_log = 1;
idx++;
break;
- case 'O':
+ case 'o':
f_out = fopen(optarg, "w+");
if (!f_out) {
perror("fopen output");
f_err = f_out;
idx++;
break;
+ case 'm':
+ terse_output = 1;
+ idx++;
+ break;
case 'h':
usage(argv[0]);
exit(0);
}
}
+/*
+ * 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) {