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init.c
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/*
* This file contains job initialization and setup functions.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "fio.h"
#include "parse.h"
#include "smalloc.h"
#include "filehash.h"
#include "verify.h"
#include "profile.h"
#include "server.h"
#include "lib/getopt.h"
const char fio_version_string[] = FIO_VERSION;
#define FIO_RANDSEED (0xb1899bedUL)
static char **ini_file;
static int max_jobs = FIO_MAX_JOBS;
static int dump_cmdline;
static int def_timeout;
static struct thread_data def_thread;
struct thread_data *threads = NULL;
int exitall_on_terminate = 0;
int terse_output = 0;
int eta_print;
unsigned long long mlock_size = 0;
FILE *f_out = NULL;
FILE *f_err = NULL;
char **job_sections = NULL;
int nr_job_sections = 0;
char *exec_profile = NULL;
int warnings_fatal = 0;
int terse_version = 3;
int is_backend = 0;
int nr_clients = 0;
int log_syslog = 0;
int write_bw_log = 0;
int read_only = 0;
static int write_lat_log;
static int prev_group_jobs;
unsigned long fio_debug = 0;
unsigned int fio_debug_jobno = -1;
unsigned int *fio_debug_jobp = NULL;
static char cmd_optstr[256];
static int did_arg;
const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN] = {
{ .u.f = 1.00 },
{ .u.f = 5.00 },
{ .u.f = 10.00 },
{ .u.f = 20.00 },
{ .u.f = 30.00 },
{ .u.f = 40.00 },
{ .u.f = 50.00 },
{ .u.f = 60.00 },
{ .u.f = 70.00 },
{ .u.f = 80.00 },
{ .u.f = 90.00 },
{ .u.f = 95.00 },
{ .u.f = 99.00 },
{ .u.f = 99.50 },
{ .u.f = 99.90 },
{ .u.f = 99.95 },
{ .u.f = 99.99 },
};
#define FIO_CLIENT_FLAG (1 << 16)
/*
* Command line options. These will contain the above, plus a few
* extra that only pertain to fio itself and not jobs.
*/
static struct option l_opts[FIO_NR_OPTIONS] = {
{
.name = (char *) "output",
.has_arg = required_argument,
.val = 'o' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "timeout",
.has_arg = required_argument,
.val = 't' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "latency-log",
.has_arg = required_argument,
.val = 'l' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "bandwidth-log",
.has_arg = required_argument,
.val = 'b' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "minimal",
.has_arg = optional_argument,
.val = 'm' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "version",
.has_arg = no_argument,
.val = 'v' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "help",
.has_arg = no_argument,
.val = 'h' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "cmdhelp",
.has_arg = optional_argument,
.val = 'c' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "enghelp",
.has_arg = optional_argument,
.val = 'i' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "showcmd",
.has_arg = no_argument,
.val = 's' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "readonly",
.has_arg = no_argument,
.val = 'r' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "eta",
.has_arg = required_argument,
.val = 'e' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "debug",
.has_arg = required_argument,
.val = 'd' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "section",
.has_arg = required_argument,
.val = 'x' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "alloc-size",
.has_arg = required_argument,
.val = 'a' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "profile",
.has_arg = required_argument,
.val = 'p' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "warnings-fatal",
.has_arg = no_argument,
.val = 'w' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "max-jobs",
.has_arg = required_argument,
.val = 'j' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "terse-version",
.has_arg = required_argument,
.val = 'V' | FIO_CLIENT_FLAG,
},
{
.name = (char *) "server",
.has_arg = optional_argument,
.val = 'S',
},
{ .name = (char *) "daemonize",
.has_arg = required_argument,
.val = 'D',
},
{
.name = (char *) "client",
.has_arg = required_argument,
.val = 'C',
},
{
.name = NULL,
},
};
static void free_shm(void)
{
struct shmid_ds sbuf;
if (threads) {
void *tp = threads;
threads = NULL;
file_hash_exit();
flow_exit();
fio_debug_jobp = NULL;
shmdt(tp);
shmctl(shm_id, IPC_RMID, &sbuf);
}
scleanup();
}
/*
* 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. We use the end of the region for keeping track of
* open files across jobs, for file sharing.
*/
static int setup_thread_area(void)
{
void *hash;
if (threads)
return 0;
/*
* 1024 is too much on some machines, scale max_jobs if
* we get a failure that looks like too large a shm segment
*/
do {
size_t size = max_jobs * sizeof(struct thread_data);
size += file_hash_size;
size += sizeof(unsigned int);
shm_id = shmget(0, size, IPC_CREAT | 0600);
if (shm_id != -1)
break;
if (errno != EINVAL && errno != ENOMEM) {
perror("shmget");
break;
}
max_jobs >>= 1;
} while (max_jobs);
if (shm_id == -1)
return 1;
threads = shmat(shm_id, NULL, 0);
if (threads == (void *) -1) {
perror("shmat");
return 1;
}
memset(threads, 0, max_jobs * sizeof(struct thread_data));
hash = (void *) threads + max_jobs * sizeof(struct thread_data);
fio_debug_jobp = (void *) hash + file_hash_size;
*fio_debug_jobp = -1;
file_hash_init(hash);
flow_init();
return 0;
}
/*
* Return a free job structure.
*/
static struct thread_data *get_new_job(int global, struct thread_data *parent,
int preserve_eo)
{
struct thread_data *td;
if (global)
return &def_thread;
if (setup_thread_area()) {
log_err("error: failed to setup shm segment\n");
return NULL;
}
if (thread_number >= max_jobs) {
log_err("error: maximum number of jobs (%d) reached.\n",
max_jobs);
return NULL;
}
td = &threads[thread_number++];
*td = *parent;
td->io_ops = NULL;
if (!preserve_eo)
td->eo = NULL;
td->o.uid = td->o.gid = -1U;
dup_files(td, parent);
fio_options_mem_dupe(td);
profile_add_hooks(td);
td->thread_number = thread_number;
return td;
}
static void put_job(struct thread_data *td)
{
if (td == &def_thread)
return;
profile_td_exit(td);
flow_exit_job(td);
if (td->error)
log_info("fio: %s\n", td->verror);
fio_options_free(td);
if (td->io_ops)
free_ioengine(td);
memset(&threads[td->thread_number - 1], 0, sizeof(*td));
thread_number--;
}
static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
{
unsigned int bs = td->o.min_bs[ddir];
assert(ddir_rw(ddir));
if (td->o.rate[ddir])
td->rate_bps[ddir] = td->o.rate[ddir];
else
td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
if (!td->rate_bps[ddir]) {
log_err("rate lower than supported\n");
return -1;
}
td->rate_pending_usleep[ddir] = 0;
return 0;
}
static int setup_rate(struct thread_data *td)
{
int ret = 0;
if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
ret = __setup_rate(td, DDIR_READ);
if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
ret |= __setup_rate(td, DDIR_WRITE);
return ret;
}
static int fixed_block_size(struct thread_options *o)
{
return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
}
/*
* Lazy way of fixing up options that depend on each other. We could also
* define option callback handlers, but this is easier.
*/
static int fixup_options(struct thread_data *td)
{
struct thread_options *o = &td->o;
int ret = 0;
#ifndef FIO_HAVE_PSHARED_MUTEX
if (!o->use_thread) {
log_info("fio: this platform does not support process shared"
" mutexes, forcing use of threads. Use the 'thread'"
" option to get rid of this warning.\n");
o->use_thread = 1;
ret = warnings_fatal;
}
#endif
if (o->write_iolog_file && o->read_iolog_file) {
log_err("fio: read iolog overrides write_iolog\n");
free(o->write_iolog_file);
o->write_iolog_file = NULL;
ret = warnings_fatal;
}
/*
* only really works with 1 file
*/
if (o->zone_size && o->open_files == 1)
o->zone_size = 0;
/*
* If zone_range isn't specified, backward compatibility dictates it
* should be made equal to zone_size.
*/
if (o->zone_size && !o->zone_range)
o->zone_range = o->zone_size;
/*
* Reads can do overwrites, we always need to pre-create the file
*/
if (td_read(td) || td_rw(td))
o->overwrite = 1;
if (!o->min_bs[DDIR_READ])
o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
if (!o->max_bs[DDIR_READ])
o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
if (!o->min_bs[DDIR_WRITE])
o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
if (!o->max_bs[DDIR_WRITE])
o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
/*
* For random IO, allow blockalign offset other than min_bs.
*/
if (!o->ba[DDIR_READ] || !td_random(td))
o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
if (!o->ba[DDIR_WRITE] || !td_random(td))
o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
!o->norandommap) {
log_err("fio: Any use of blockalign= turns off randommap\n");
o->norandommap = 1;
ret = warnings_fatal;
}
if (!o->file_size_high)
o->file_size_high = o->file_size_low;
if (o->norandommap && o->verify != VERIFY_NONE
&& !fixed_block_size(o)) {
log_err("fio: norandommap given for variable block sizes, "
"verify disabled\n");
o->verify = VERIFY_NONE;
ret = warnings_fatal;
}
if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
log_err("fio: bs_unaligned may not work with raw io\n");
/*
* thinktime_spin must be less than thinktime
*/
if (o->thinktime_spin > o->thinktime)
o->thinktime_spin = o->thinktime;
/*
* The low water mark cannot be bigger than the iodepth
*/
if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
/*
* syslet work around - if the workload is sequential,
* we want to let the queue drain all the way down to
* avoid seeking between async threads
*/
if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
o->iodepth_low = 1;
else
o->iodepth_low = o->iodepth;
}
/*
* If batch number isn't set, default to the same as iodepth
*/
if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
o->iodepth_batch = o->iodepth;
if (o->nr_files > td->files_index)
o->nr_files = td->files_index;
if (o->open_files > o->nr_files || !o->open_files)
o->open_files = o->nr_files;
if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
o->rate_iops_min[1]))) {
log_err("fio: rate and rate_iops are mutually exclusive\n");
ret = 1;
}
if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
(o->rate_iops[0] < o->rate_iops_min[0]) ||
(o->rate_iops[1] < o->rate_iops_min[1])) {
log_err("fio: minimum rate exceeds rate\n");
ret = 1;
}
if (!o->timeout && o->time_based) {
log_err("fio: time_based requires a runtime/timeout setting\n");
o->time_based = 0;
ret = warnings_fatal;
}
if (o->fill_device && !o->size)
o->size = -1ULL;
if (o->verify != VERIFY_NONE) {
if (td_write(td) && o->do_verify && o->numjobs > 1) {
log_info("Multiple writers may overwrite blocks that "
"belong to other jobs. This can cause "
"verification failures.\n");
ret = warnings_fatal;
}
o->refill_buffers = 1;
if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
!o->verify_interval)
o->verify_interval = o->min_bs[DDIR_WRITE];
}
if (o->pre_read) {
o->invalidate_cache = 0;
if (td->io_ops->flags & FIO_PIPEIO) {
log_info("fio: cannot pre-read files with an IO engine"
" that isn't seekable. Pre-read disabled.\n");
ret = warnings_fatal;
}
}
#ifndef FIO_HAVE_FDATASYNC
if (o->fdatasync_blocks) {
log_info("fio: this platform does not support fdatasync()"
" falling back to using fsync(). Use the 'fsync'"
" option instead of 'fdatasync' to get rid of"
" this warning\n");
o->fsync_blocks = o->fdatasync_blocks;
o->fdatasync_blocks = 0;
ret = warnings_fatal;
}
#endif
#ifdef WIN32
/*
* Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
* so fail if we're passed those flags
*/
if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
log_err("fio: Windows does not support direct or non-buffered io with"
" the synchronous ioengines. Use the 'windowsaio' ioengine"
" with 'direct=1' and 'iodepth=1' instead.\n");
ret = 1;
}
#endif
/*
* For fully compressible data, just zero them at init time.
* It's faster than repeatedly filling it.
*/
if (td->o.compress_percentage == 100) {
td->o.zero_buffers = 1;
td->o.compress_percentage = 0;
}
return ret;
}
/*
* This function leaks the buffer
*/
static char *to_kmg(unsigned int val)
{
char *buf = malloc(32);
char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
char *p = post;
do {
if (val & 1023)
break;
val >>= 10;
p++;
} while (*p);
snprintf(buf, 31, "%u%c", val, *p);
return buf;
}
/* External engines are specified by "external:name.o") */
static const char *get_engine_name(const char *str)
{
char *p = strstr(str, ":");
if (!p)
return str;
p++;
strip_blank_front(&p);
strip_blank_end(p);
return p;
}
static int exists_and_not_file(const char *filename)
{
struct stat sb;
if (lstat(filename, &sb) == -1)
return 0;
/* \\.\ is the device namespace in Windows, where every file
* is a device node */
if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
return 0;
return 1;
}
static void td_fill_rand_seeds_os(struct thread_data *td)
{
os_random_seed(td->rand_seeds[0], &td->bsrange_state);
os_random_seed(td->rand_seeds[1], &td->verify_state);
os_random_seed(td->rand_seeds[2], &td->rwmix_state);
if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
os_random_seed(td->rand_seeds[3], &td->next_file_state);
os_random_seed(td->rand_seeds[5], &td->file_size_state);
os_random_seed(td->rand_seeds[6], &td->trim_state);
if (!td_random(td))
return;
if (td->o.rand_repeatable)
td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
os_random_seed(td->rand_seeds[4], &td->random_state);
}
static void td_fill_rand_seeds_internal(struct thread_data *td)
{
init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
if (!td_random(td))
return;
if (td->o.rand_repeatable)
td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
init_rand_seed(&td->__random_state, td->rand_seeds[4]);
}
void td_fill_rand_seeds(struct thread_data *td)
{
if (td->o.use_os_rand)
td_fill_rand_seeds_os(td);
else
td_fill_rand_seeds_internal(td);
init_rand_seed(&td->buf_state, td->rand_seeds[7]);
}
/*
* Initializes the ioengine configured for a job, if it has not been done so
* already.
*/
int ioengine_load(struct thread_data *td)
{
const char *engine;
/*
* Engine has already been loaded.
*/
if (td->io_ops)
return 0;
engine = get_engine_name(td->o.ioengine);
td->io_ops = load_ioengine(td, engine);
if (!td->io_ops) {
log_err("fio: failed to load engine %s\n", engine);
return 1;
}
if (td->io_ops->option_struct_size && td->io_ops->options) {
/*
* In cases where td->eo is set, clone it for a child thread.
* This requires that the parent thread has the same ioengine,
* but that requirement must be enforced by the code which
* cloned the thread.
*/
void *origeo = td->eo;
/*
* Otherwise use the default thread options.
*/
if (!origeo && td != &def_thread && def_thread.eo &&
def_thread.io_ops->options == td->io_ops->options)
origeo = def_thread.eo;
options_init(td->io_ops->options);
td->eo = malloc(td->io_ops->option_struct_size);
/*
* Use the default thread as an option template if this uses the
* same options structure and there are non-default options
* used.
*/
if (origeo) {
memcpy(td->eo, origeo, td->io_ops->option_struct_size);
options_mem_dupe(td->eo, td->io_ops->options);
} else {
memset(td->eo, 0, td->io_ops->option_struct_size);
fill_default_options(td->eo, td->io_ops->options);
}
*(struct thread_data **)td->eo = td;
}
return 0;
}
/*
* 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)
{
const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
"randread", "randwrite", "randrw" };
unsigned int i;
char fname[PATH_MAX];
int numjobs, file_alloced;
/*
* the def_thread is just for options, it's not a real job
*/
if (td == &def_thread)
return 0;
/*
* if we are just dumping the output command line, don't add the job
*/
if (dump_cmdline) {
put_job(td);
return 0;
}
if (profile_td_init(td))
goto err;
if (ioengine_load(td))
goto err;
if (td->o.use_thread)
nr_thread++;
else
nr_process++;
if (td->o.odirect)
td->io_ops->flags |= FIO_RAWIO;
file_alloced = 0;
if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
file_alloced = 1;
if (td->o.nr_files == 1 && exists_and_not_file(jobname))
add_file(td, jobname);
else {
for (i = 0; i < td->o.nr_files; i++) {
sprintf(fname, "%s.%d.%d", jobname,
td->thread_number, i);
add_file(td, fname);
}
}
}
if (fixup_options(td))
goto err;
flow_init_job(td);
/*
* IO engines only need this for option callbacks, and the address may
* change in subprocesses.
*/
if (td->eo)
*(struct thread_data **)td->eo = NULL;
if (td->io_ops->flags & FIO_DISKLESSIO) {
struct fio_file *f;
for_each_file(td, f, i)
f->real_file_size = -1ULL;
}
td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
td->ts.clat_percentiles = td->o.clat_percentiles;
if (td->o.overwrite_plist)
memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
else
memcpy(td->ts.percentile_list, def_percentile_list, sizeof(def_percentile_list));
td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
td->ddir_seq_nr = td->o.ddir_seq_nr;
if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
prev_group_jobs = 0;
groupid++;
}
td->groupid = groupid;
prev_group_jobs++;
if (init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds))) {
td_verror(td, errno, "init_random_state");
goto err;
}
if (setup_rate(td))
goto err;
if (td->o.write_lat_log) {
setup_log(&td->lat_log, td->o.log_avg_msec);
setup_log(&td->slat_log, td->o.log_avg_msec);
setup_log(&td->clat_log, td->o.log_avg_msec);
}
if (td->o.write_bw_log)
setup_log(&td->bw_log, td->o.log_avg_msec);
if (td->o.write_iops_log)
setup_log(&td->iops_log, td->o.log_avg_msec);
if (!td->o.name)
td->o.name = strdup(jobname);
if (!terse_output) {
if (!job_add_num) {
if (!strcmp(td->io_ops->name, "cpuio")) {
log_info("%s: ioengine=cpu, cpuload=%u,"
" cpucycle=%u\n", td->o.name,
td->o.cpuload,
td->o.cpucycle);
} else {
char *c1, *c2, *c3, *c4;
c1 = to_kmg(td->o.min_bs[DDIR_READ]);
c2 = to_kmg(td->o.max_bs[DDIR_READ]);
c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
" ioengine=%s, iodepth=%u\n",
td->o.name, td->groupid,
ddir_str[td->o.td_ddir],
c1, c2, c3, c4,
td->io_ops->name,
td->o.iodepth);
free(c1);
free(c2);
free(c3);
free(c4);
}
} else if (job_add_num == 1)
log_info("...\n");
}
/*
* recurse add identical jobs, clear numjobs and stonewall options
* as they don't apply to sub-jobs
*/
numjobs = td->o.numjobs;
while (--numjobs) {
struct thread_data *td_new = get_new_job(0, td, 1);
if (!td_new)
goto err;
td_new->o.numjobs = 1;
td_new->o.stonewall = 0;
td_new->o.new_group = 0;
if (file_alloced) {
td_new->o.filename = NULL;
td_new->files_index = 0;
td_new->files_size = 0;
td_new->files = NULL;
}
job_add_num = numjobs - 1;
if (add_job(td_new, jobname, job_add_num))
goto err;
}
return 0;
err:
put_job(td);
return -1;
}
/*
* Parse as if 'o' was a command line
*/
void add_job_opts(const char **o)
{
struct thread_data *td, *td_parent;
int i, in_global = 1;
char jobname[32];
i = 0;
td_parent = td = NULL;
while (o[i]) {
if (!strncmp(o[i], "name", 4)) {
in_global = 0;
if (td)
add_job(td, jobname, 0);
td = NULL;
sprintf(jobname, "%s", o[i] + 5);
}
if (in_global && !td_parent)
td_parent = get_new_job(1, &def_thread, 0);
else if (!in_global && !td) {
if (!td_parent)
td_parent = &def_thread;
td = get_new_job(0, td_parent, 0);
}
if (in_global)
fio_options_parse(td_parent, (char **) &o[i], 1);
else
fio_options_parse(td, (char **) &o[i], 1);
i++;
}
if (td)
add_job(td, jobname, 0);
}
static int skip_this_section(const char *name)
{
int i;
if (!nr_job_sections)
return 0;
if (!strncmp(name, "global", 6))
return 0;
for (i = 0; i < nr_job_sections; i++)
if (!strcmp(job_sections[i], name))
return 0;
return 1;
}
static int is_empty_or_comment(char *line)
{
unsigned int i;
for (i = 0; i < strlen(line); i++) {
if (line[i] == ';')
return 1;
if (line[i] == '#')
return 1;
if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
return 0;
}
return 1;
}
/*
* This is our [ini] type file parser.
*/
int parse_jobs_ini(char *file, int is_buf, int stonewall_flag)
{
unsigned int global;
struct thread_data *td;
char *string, *name;
FILE *f;
char *p;
int ret = 0, stonewall;
int first_sect = 1;
int skip_fgets = 0;