#include "err.h"
#include "lib/tp.h"
-static pthread_t disk_util_thread;
-static struct fio_mutex *disk_thread_mutex;
+static pthread_t helper_thread;
+static pthread_mutex_t helper_lock;
+pthread_cond_t helper_cond;
+int helper_do_stat = 0;
+
static struct fio_mutex *startup_mutex;
static struct flist_head *cgroup_list;
static char *cgroup_mnt;
int shm_id = 0;
int temp_stall_ts;
unsigned long done_secs = 0;
-volatile int disk_util_exit = 0;
+volatile int helper_exit = 0;
#define PAGE_ALIGN(buf) \
(char *) (((uintptr_t) (buf) + page_mask) & ~page_mask)
fio_server_got_signal(sig);
else {
log_info("\nfio: terminating on signal %d\n", sig);
- fflush(stdout);
+ log_info_flush();
exit_value = 128;
}
}
}
+static int wait_for_completions(struct thread_data *td, struct timeval *time,
+ uint64_t *bytes_done)
+{
+ const int full = queue_full(td);
+ int min_evts = 0;
+ int ret;
+
+ /*
+ * if the queue is full, we MUST reap at least 1 event
+ */
+ min_evts = min(td->o.iodepth_batch_complete, td->cur_depth);
+ if (full && !min_evts)
+ min_evts = 1;
+
+ if (time && (__should_check_rate(td, DDIR_READ) ||
+ __should_check_rate(td, DDIR_WRITE) ||
+ __should_check_rate(td, DDIR_TRIM)))
+ fio_gettime(time, NULL);
+
+ do {
+ ret = io_u_queued_complete(td, min_evts, bytes_done);
+ if (ret < 0)
+ break;
+ } while (full && (td->cur_depth > td->o.iodepth_low));
+
+ return ret;
+}
+
/*
* The main verify engine. Runs over the writes we previously submitted,
* reads the blocks back in, and checks the crc/md5 of the data.
break;
}
+ if (verify_state_should_stop(td, io_u)) {
+ put_io_u(td, io_u);
+ break;
+ }
+
if (td->o.verify_async)
io_u->end_io = verify_io_u_async;
else
*/
reap:
full = queue_full(td) || (ret == FIO_Q_BUSY && td->cur_depth);
- if (full || !td->o.iodepth_batch_complete) {
- min_events = min(td->o.iodepth_batch_complete,
- td->cur_depth);
- /*
- * if the queue is full, we MUST reap at least 1 event
- */
- if (full && !min_events)
- min_events = 1;
+ if (full || !td->o.iodepth_batch_complete)
+ ret = wait_for_completions(td, NULL, bytes_done);
- do {
- /*
- * Reap required number of io units, if any,
- * and do the verification on them through
- * the callback handler
- */
- if (io_u_queued_complete(td, min_events, bytes_done) < 0) {
- ret = -1;
- break;
- }
- } while (full && (td->cur_depth > td->o.iodepth_low));
- }
if (ret < 0)
break;
}
(!flist_empty(&td->trim_list)) || !io_bytes_exceeded(td) ||
td->o.time_based) {
struct timeval comp_time;
- int min_evts = 0;
struct io_u *io_u;
int ret2, full;
enum fio_ddir ddir;
((io_u->flags & IO_U_F_VER_LIST) || !td_rw(td))) {
if (!td->o.verify_pattern_bytes) {
- io_u->rand_seed = __rand(&td->__verify_state);
+ io_u->rand_seed = __rand(&td->verify_state);
if (sizeof(int) != sizeof(long *))
- io_u->rand_seed *= __rand(&td->__verify_state);
+ io_u->rand_seed *= __rand(&td->verify_state);
+ }
+
+ if (verify_state_should_stop(td, io_u)) {
+ put_io_u(td, io_u);
+ break;
}
if (td->o.verify_async)
*/
reap:
full = queue_full(td) || (ret == FIO_Q_BUSY && td->cur_depth);
- if (full || !td->o.iodepth_batch_complete) {
- min_evts = min(td->o.iodepth_batch_complete,
- td->cur_depth);
- /*
- * if the queue is full, we MUST reap at least 1 event
- */
- if (full && !min_evts)
- min_evts = 1;
-
- if (__should_check_rate(td, DDIR_READ) ||
- __should_check_rate(td, DDIR_WRITE) ||
- __should_check_rate(td, DDIR_TRIM))
- fio_gettime(&comp_time, NULL);
-
- do {
- ret = io_u_queued_complete(td, min_evts, bytes_done);
- if (ret < 0)
- break;
-
- } while (full && (td->cur_depth > td->o.iodepth_low));
- }
-
+ if (full || !td->o.iodepth_batch_complete)
+ ret = wait_for_completions(td, &comp_time, bytes_done);
if (ret < 0)
break;
if (!ddir_rw_sum(bytes_done) && !(td->io_ops->flags & FIO_NOIO))
io_u_rexit(&td->io_u_requeues);
io_u_qexit(&td->io_u_freelist);
io_u_qexit(&td->io_u_all);
+
+ if (td->last_write_comp)
+ sfree(td->last_write_comp);
}
static int init_io_u(struct thread_data *td)
p += max_bs;
}
+ if (td->o.verify != VERIFY_NONE) {
+ td->last_write_comp = scalloc(max_units, sizeof(uint64_t));
+ if (!td->last_write_comp) {
+ log_err("fio: failed to alloc write comp data\n");
+ return 1;
+ }
+ }
+
return 0;
}
* Set affinity first, in case it has an impact on the memory
* allocations.
*/
- if (o->cpumask_set) {
+ if (fio_option_is_set(o, cpumask)) {
if (o->cpus_allowed_policy == FIO_CPUS_SPLIT) {
ret = fio_cpus_split(&o->cpumask, td->thread_number - 1);
if (!ret) {
#ifdef CONFIG_LIBNUMA
/* numa node setup */
- if (o->numa_cpumask_set || o->numa_memmask_set) {
+ if (fio_option_is_set(o, numa_cpunodes) ||
+ fio_option_is_set(o, numa_memnodes)) {
struct bitmask *mask;
- int ret;
if (numa_available() < 0) {
td_verror(td, errno, "Does not support NUMA API\n");
goto err;
}
- if (o->numa_cpumask_set) {
+ if (fio_option_is_set(o, numa_cpunodes)) {
mask = numa_parse_nodestring(o->numa_cpunodes);
ret = numa_run_on_node_mask(mask);
numa_free_nodemask(mask);
}
}
- if (o->numa_memmask_set) {
-
+ if (fio_option_is_set(o, numa_memnodes)) {
mask = NULL;
if (o->numa_memnodes)
mask = numa_parse_nodestring(o->numa_memnodes);
if (o->verify_async && verify_async_init(td))
goto err;
- if (o->ioprio) {
+ if (fio_option_is_set(o, ioprio) ||
+ fio_option_is_set(o, ioprio_class)) {
ret = ioprio_set(IOPRIO_WHO_PROCESS, 0, o->ioprio_class, o->ioprio);
if (ret == -1) {
td_verror(td, errno, "ioprio_set");
clear_state = 1;
+ fio_mutex_down(stat_mutex);
if (td_read(td) && td->io_bytes[DDIR_READ]) {
- elapsed = utime_since_now(&td->start);
+ elapsed = mtime_since_now(&td->start);
td->ts.runtime[DDIR_READ] += elapsed;
}
if (td_write(td) && td->io_bytes[DDIR_WRITE]) {
- elapsed = utime_since_now(&td->start);
+ elapsed = mtime_since_now(&td->start);
td->ts.runtime[DDIR_WRITE] += elapsed;
}
if (td_trim(td) && td->io_bytes[DDIR_TRIM]) {
- elapsed = utime_since_now(&td->start);
+ elapsed = mtime_since_now(&td->start);
td->ts.runtime[DDIR_TRIM] += elapsed;
}
+ fio_gettime(&td->start, NULL);
+ fio_mutex_up(stat_mutex);
if (td->error || td->terminate)
break;
do_verify(td, verify_bytes);
- td->ts.runtime[DDIR_READ] += utime_since_now(&td->start);
+ fio_mutex_down(stat_mutex);
+ td->ts.runtime[DDIR_READ] += mtime_since_now(&td->start);
+ fio_gettime(&td->start, NULL);
+ fio_mutex_up(stat_mutex);
if (td->error || td->terminate)
break;
}
update_rusage_stat(td);
- td->ts.runtime[DDIR_READ] = (td->ts.runtime[DDIR_READ] + 999) / 1000;
- td->ts.runtime[DDIR_WRITE] = (td->ts.runtime[DDIR_WRITE] + 999) / 1000;
- td->ts.runtime[DDIR_TRIM] = (td->ts.runtime[DDIR_TRIM] + 999) / 1000;
td->ts.total_run_time = mtime_since_now(&td->epoch);
td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
+ if (td->o.verify_state_save && !(td->flags & TD_F_VSTATE_SAVED) &&
+ (td->o.verify != VERIFY_NONE && td_write(td))) {
+ struct all_io_list *state;
+ size_t sz;
+
+ state = get_all_io_list(td->thread_number, &sz);
+ if (state) {
+ __verify_save_state(state, "local");
+ free(state);
+ }
+ }
+
fio_unpin_memory(td);
fio_writeout_logs(td);
cleanup_io_u(td);
close_ioengine(td);
cgroup_shutdown(td, &cgroup_mnt);
+ verify_free_state(td);
- if (o->cpumask_set) {
- int ret = fio_cpuset_exit(&o->cpumask);
-
- td_verror(td, ret, "fio_cpuset_exit");
+ if (fio_option_is_set(o, cpumask)) {
+ ret = fio_cpuset_exit(&o->cpumask);
+ if (ret)
+ td_verror(td, ret, "fio_cpuset_exit");
}
/*
if (o->write_iolog_file)
write_iolog_close(td);
- fio_mutex_remove(td->rusage_sem);
- td->rusage_sem = NULL;
-
fio_mutex_remove(td->mutex);
td->mutex = NULL;
td_set_runstate(td, TD_EXITED);
+
+ /*
+ * Do this last after setting our runstate to exited, so we
+ * know that the stat thread is signaled.
+ */
+ check_update_rusage(td);
+
return (void *) (uintptr_t) td->error;
}
fio_terminate_threads(TERMINATE_ALL);
}
+static int __check_trigger_file(void)
+{
+ struct stat sb;
+
+ if (!trigger_file)
+ return 0;
+
+ if (stat(trigger_file, &sb))
+ return 0;
+
+ if (unlink(trigger_file) < 0)
+ log_err("fio: failed to unlink %s: %s\n", trigger_file,
+ strerror(errno));
+
+ return 1;
+}
+
+static int trigger_timedout(void)
+{
+ if (trigger_timeout)
+ return time_since_genesis() >= trigger_timeout;
+
+ return 0;
+}
+
+void exec_trigger(const char *cmd)
+{
+ int ret;
+
+ if (!cmd)
+ return;
+
+ ret = system(cmd);
+ if (ret == -1)
+ log_err("fio: failed executing %s trigger\n", cmd);
+}
+
+void check_trigger_file(void)
+{
+ if (__check_trigger_file() || trigger_timedout()) {
+ if (nr_clients)
+ fio_clients_send_trigger(trigger_remote_cmd);
+ else {
+ verify_save_state();
+ fio_terminate_threads(TERMINATE_ALL);
+ exec_trigger(trigger_cmd);
+ }
+ }
+}
+
+static int fio_verify_load_state(struct thread_data *td)
+{
+ int ret;
+
+ if (!td->o.verify_state)
+ return 0;
+
+ if (is_backend) {
+ void *data;
+
+ ret = fio_server_get_verify_state(td->o.name,
+ td->thread_number - 1, &data);
+ if (!ret)
+ verify_convert_assign_state(td, data);
+ } else
+ ret = verify_load_state(td, "local");
+
+ return ret;
+}
+
static void do_usleep(unsigned int usecs)
{
check_for_running_stats();
+ check_trigger_file();
usleep(usecs);
}
nr_process > 1 ? "es" : "");
}
log_info("\n");
- fflush(stdout);
+ log_info_flush();
}
todo = thread_number;
if (!td->o.create_serialize)
continue;
+ if (fio_verify_load_state(td))
+ goto reap;
+
/*
* do file setup here so it happens sequentially,
* we don't want X number of threads getting their
* client data interspersed on disk
*/
if (setup_files(td)) {
+reap:
exit_value++;
if (td->error)
log_err("fio: pid=%d, err=%d/%s\n",
update_io_ticks();
}
-void wait_for_disk_thread_exit(void)
+static void wait_for_helper_thread_exit(void)
{
- fio_mutex_down(disk_thread_mutex);
+ void *ret;
+
+ helper_exit = 1;
+ pthread_cond_signal(&helper_cond);
+ pthread_join(helper_thread, &ret);
}
static void free_disk_util(void)
{
- disk_util_start_exit();
- wait_for_disk_thread_exit();
disk_util_prune_entries();
+
+ pthread_cond_destroy(&helper_cond);
}
-static void *disk_thread_main(void *data)
+static void *helper_thread_main(void *data)
{
int ret = 0;
fio_mutex_up(startup_mutex);
- while (threads && !ret) {
- usleep(DISK_UTIL_MSEC * 1000);
- if (!threads)
- break;
+ while (!ret) {
+ uint64_t sec = DISK_UTIL_MSEC / 1000;
+ uint64_t nsec = (DISK_UTIL_MSEC % 1000) * 1000000;
+ struct timespec ts;
+
+#if defined(CONFIG_CLOCK_MONOTONIC)
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ ts.tv_sec += sec;
+ ts.tv_nsec += nsec;
+#else
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ ts.tv_sec = tv.tv_sec + sec;
+ ts.tv_nsec = (tv.tv_usec * 1000) + nsec;
+#endif
+
+ if (ts.tv_nsec >= 1000000000ULL) {
+ ts.tv_nsec -= 1000000000ULL;
+ ts.tv_sec++;
+ }
+
+ pthread_cond_timedwait(&helper_cond, &helper_lock, &ts);
+
ret = update_io_ticks();
+ if (helper_do_stat) {
+ helper_do_stat = 0;
+ __show_running_run_stats();
+ }
+
if (!is_backend)
print_thread_status();
}
- fio_mutex_up(disk_thread_mutex);
return NULL;
}
-static int create_disk_util_thread(void)
+static int create_helper_thread(void)
{
int ret;
setup_disk_util();
- disk_thread_mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
+ pthread_cond_init(&helper_cond, NULL);
+ pthread_mutex_init(&helper_lock, NULL);
- ret = pthread_create(&disk_util_thread, NULL, disk_thread_main, NULL);
+ ret = pthread_create(&helper_thread, NULL, helper_thread_main, NULL);
if (ret) {
- fio_mutex_remove(disk_thread_mutex);
- log_err("Can't create disk util thread: %s\n", strerror(ret));
- return 1;
- }
-
- ret = pthread_detach(disk_util_thread);
- if (ret) {
- fio_mutex_remove(disk_thread_mutex);
- log_err("Can't detatch disk util thread: %s\n", strerror(ret));
+ log_err("Can't create helper thread: %s\n", strerror(ret));
return 1;
}
set_genesis_time();
stat_init();
- create_disk_util_thread();
+ create_helper_thread();
cgroup_list = smalloc(sizeof(*cgroup_list));
INIT_FLIST_HEAD(cgroup_list);
run_threads();
+ wait_for_helper_thread_exit();
+
if (!fio_abort) {
__show_run_stats();
if (write_bw_log) {
- int i;
-
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
struct io_log *log = agg_io_log[i];
}
}
- for_each_td(td, i)
+ for_each_td(td, i) {
fio_options_free(td);
+ if (td->rusage_sem) {
+ fio_mutex_remove(td->rusage_sem);
+ td->rusage_sem = NULL;
+ }
+ }
free_disk_util();
cgroup_kill(cgroup_list);
sfree(cgroup_mnt);
fio_mutex_remove(startup_mutex);
- fio_mutex_remove(disk_thread_mutex);
stat_exit();
return exit_value;
}