+/*
+ * 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)
static int def_timeout = DEF_TIMEOUT;
-static char fio_version_string[] = "fio 1.4";
+static char fio_version_string[] = "fio 1.5";
static char **ini_file;
static int max_jobs = MAX_JOBS;
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 == &def_thread)
return 0;
- if (td->io_engine & FIO_SYNCIO)
+ if (td->io_ops->flags & FIO_SYNCIO)
td->iodepth = 1;
else {
if (!td->iodepth)
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 (!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)
+ 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");
}
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];
#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_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_cnv(p, val);
+ 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;
static int str_ioengine_cb(struct thread_data *td, 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;
+ if (!str)
+ str = DEF_IO_ENGINE_NAME;
+
+ td->io_ops = load_ioengine(td, str);
+ if (td->io_ops)
return 0;
- }
- log_err("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;
}
/*
* 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;
fpos_t off;
FILE *f;
char *p;
- int ret = 0, stonewall = 1;
+ 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;
fgetpos(f, &off);
continue;
}
+ if (!check_int(p, "cpuload", &td->cpuload)) {
+ fgetpos(f, &off);
+ continue;
+ }
+ if (!check_int(p, "cpuchunks", &td->cpucycle)) {
+ fgetpos(f, &off);
+ continue;
+ }
if (!check_int(p, "thinktime", &td->thinktime)) {
fgetpos(f, &off);
continue;
fgetpos(f, &off);
continue;
}
- if (!check_int(p, "timeout", &td->timeout)) {
+ if (!check_str_time(p, "timeout", &ull)) {
+ td->timeout = ull;
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.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;
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, "t:o:f:lwvhm")) != EOF) {
+ while ((c = getopt(argc, argv, "t:o:lwvhm")) != EOF) {
switch (c) {
case 't':
def_timeout = atoi(optarg);
- idx++;
- break;
- case 'f':
- ini_idx++;
- ini_file = realloc(ini_file, ini_idx * sizeof(char *));
- ini_file[ini_idx - 1] = strdup(optarg);
- idx++;
+ idx = optind;
break;
case 'l':
write_lat_log = 1;
- idx++;
+ idx = optind;
break;
case 'w':
write_bw_log = 1;
- idx++;
+ idx = optind;
break;
case 'o':
f_out = fopen(optarg, "w+");
exit(1);
}
f_err = f_out;
- idx++;
+ idx = optind;
break;
case 'm':
terse_output = 1;
- idx++;
+ idx = optind;
break;
case 'h':
usage(argv[0]);
ini_file[ini_idx - 1] = strdup(argv[idx]);
idx++;
}
-
+
if (!f_out) {
f_out = stdout;
f_err = stderr;
}
}
+/*
+ * 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) {
for (i = 0; i < job_files; i++) {
if (fill_def_thread())
return 1;
- if (parse_jobs_ini(ini_file[i]))
+ if (parse_jobs_ini(ini_file[i], i))
return 1;
free(ini_file[i]);
}
projects / fio.git / blobdiff