#include "parse.h"
#include "smalloc.h"
#include "filehash.h"
+#include "verify.h"
-static char fio_version_string[] = "fio 1.22-rc1";
+static char fio_version_string[] = "fio 1.32";
#define FIO_RANDSEED (0xb1899bedUL)
static int max_jobs = MAX_JOBS;
static int dump_cmdline;
-struct thread_data def_thread;
+static struct thread_data def_thread;
struct thread_data *threads = NULL;
int exitall_on_terminate = 0;
thread_number--;
}
-static int setup_rate(struct thread_data *td)
+static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
{
- unsigned long nr_reads_per_msec;
+ unsigned int bs = td->o.min_bs[ddir];
unsigned long long rate;
- unsigned int bs;
-
- if (!td->o.rate && !td->o.rate_iops)
- return 0;
+ unsigned long ios_per_msec;
- if (td_rw(td))
- bs = td->o.rw_min_bs;
- else if (td_read(td))
- bs = td->o.min_bs[DDIR_READ];
- else
- bs = td->o.min_bs[DDIR_WRITE];
-
- if (td->o.rate) {
- rate = td->o.rate;
- nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
+ if (td->o.rate[ddir]) {
+ rate = td->o.rate[ddir];
+ ios_per_msec = (rate * 1000LL) / bs;
} else
- nr_reads_per_msec = td->o.rate_iops * 1000UL;
+ ios_per_msec = td->o.rate_iops[ddir] * 1000UL;
- if (!nr_reads_per_msec) {
+ if (!ios_per_msec) {
log_err("rate lower than supported\n");
return -1;
}
- td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
- td->rate_pending_usleep = 0;
+ td->rate_usec_cycle[ddir] = 1000000000ULL / ios_per_msec;
+ 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.
{
struct thread_options *o = &td->o;
- if (read_only && td_write(td)) {
- log_err("fio: job <%s> has write bit set, but fio is in"
- " read-only mode\n", td->o.name);
- return 1;
+#ifndef FIO_HAVE_PSHARED_MUTEX
+ if (!td->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");
+ td->o.use_thread = 1;
}
+#endif
if (o->write_iolog_file && o->read_iolog_file) {
log_err("fio: read iolog overrides write_iolog\n");
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]) &&
+ !td->o.norandommap) {
+ log_err("fio: Any use of blockalign= turns off randommap\n");
+ td->o.norandommap = 1;
+ }
+
if (!o->file_size_high)
o->file_size_high = o->file_size_low;
- if (o->norandommap && o->verify != VERIFY_NONE) {
- log_err("fio: norandommap given, verify disabled\n");
+ 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;
}
if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
if (o->open_files > o->nr_files || !o->open_files)
o->open_files = o->nr_files;
- if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
+ 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");
return 1;
}
- if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
+ 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");
return 1;
}
if (td->o.verify != VERIFY_NONE)
td->o.refill_buffers = 1;
+ if (td->o.pre_read) {
+ td->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");
+ }
+
return 0;
}
return 1;
}
+void td_fill_rand_seeds(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);
+
+ 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);
+}
+
/*
* Initialize the various random states we need (random io, block size ranges,
* read/write mix, etc).
*/
static int init_random_state(struct thread_data *td)
{
- unsigned long seeds[6];
int fd;
fd = open("/dev/urandom", O_RDONLY);
return 1;
}
- if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
+ if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
+ (int) sizeof(td->rand_seeds)) {
td_verror(td, EIO, "read");
close(fd);
return 1;
}
close(fd);
-
- os_random_seed(seeds[0], &td->bsrange_state);
- os_random_seed(seeds[1], &td->verify_state);
- os_random_seed(seeds[2], &td->rwmix_state);
-
- if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
- os_random_seed(seeds[3], &td->next_file_state);
-
- os_random_seed(seeds[5], &td->file_size_state);
-
- if (!td_random(td))
- return 0;
-
- if (td->o.rand_repeatable)
- seeds[4] = FIO_RANDSEED * td->thread_number;
-
- os_random_seed(seeds[4], &td->random_state);
+ td_fill_rand_seeds(td);
return 0;
}
if (file_alloced) {
td_new->o.filename = NULL;
td_new->files_index = 0;
+ td_new->files_size = 0;
td_new->files = NULL;
}
if (!strncmp(name, "global", 6))
return 0;
- return strncmp(job_section, name, strlen(job_section));
+ return strcmp(job_section, name);
}
static int is_empty_or_comment(char *line)
printf("\t--section=name\tOnly run specified section in job file\n");
printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
" (def 1024)\n");
+ printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>\n");
}
#ifdef FIO_INC_DEBUG
{ .name = "parse", .shift = FD_PARSE },
{ .name = "diskutil", .shift = FD_DISKUTIL },
{ .name = "job", .shift = FD_JOB },
- { },
+ { .name = "mutex", .shift = FD_MUTEX },
+ { .name = NULL, },
};
static int set_debug(const char *string)
if (dump_cmdline)
return 0;
- log_err("No jobs defined(s)\n");
+ log_err("No jobs defined(s)\n\n");
usage(argv[0]);
return 1;
}
+ if (def_thread.o.gtod_offload) {
+ fio_gtod_init();
+ fio_gtod_offload = 1;
+ fio_gtod_cpu = def_thread.o.gtod_cpu;
+ }
+
return 0;
}