*
* Returns number of bytes written and trimmed.
*/
-static uint64_t do_io(struct thread_data *td)
+static void do_io(struct thread_data *td, uint64_t *bytes_done)
{
unsigned int i;
int ret = 0;
uint64_t total_bytes, bytes_issued = 0;
+ for (i = 0; i < DDIR_RWDIR_CNT; i++)
+ bytes_done[i] = td->bytes_done[i];
+
if (in_ramp_time(td))
td_set_runstate(td, TD_RAMP);
else
if (!ddir_rw_sum(td->this_io_bytes))
td->done = 1;
- return td->bytes_done[DDIR_WRITE] + td->bytes_done[DDIR_TRIM];
+ for (i = 0; i < DDIR_RWDIR_CNT; i++)
+ bytes_done[i] = td->bytes_done[i] - bytes_done[i];
}
static void cleanup_io_u(struct thread_data *td)
return td->bytes_done[DDIR_WRITE] + td->bytes_done[DDIR_TRIM];
}
+struct fork_data {
+ struct thread_data *td;
+ struct sk_out *sk_out;
+};
+
/*
* Entry point for the thread based jobs. The process based jobs end up
* here as well, after a little setup.
*/
static void *thread_main(void *data)
{
+ struct fork_data *fd = data;
unsigned long long elapsed_us[DDIR_RWDIR_CNT] = { 0, };
- struct thread_data *td = data;
+ struct thread_data *td = fd->td;
struct thread_options *o = &td->o;
+ struct sk_out *sk_out = fd->sk_out;
pthread_condattr_t attr;
int clear_state;
int ret;
+ sk_out_assign(sk_out);
+ free(fd);
+
if (!o->use_thread) {
setsid();
td->pid = getpid();
goto err;
}
- if (iolog_compress_init(td))
+ if (iolog_compress_init(td, sk_out))
goto err;
fio_verify_init(td);
- if (rate_submit_init(td))
+ if (rate_submit_init(td, sk_out))
goto err;
fio_gettime(&td->epoch, NULL);
if (td->o.verify_only && (td_write(td) || td_rw(td)))
verify_bytes = do_dry_run(td);
else {
- verify_bytes = do_io(td);
- if (!verify_bytes)
+ uint64_t bytes_done[DDIR_RWDIR_CNT];
+
+ do_io(td, bytes_done);
+
+ if (!ddir_rw_sum(bytes_done)) {
fio_mark_td_terminate(td);
+ verify_bytes = 0;
+ } else {
+ verify_bytes = bytes_done[DDIR_WRITE] +
+ bytes_done[DDIR_TRIM];
+ }
}
clear_state = 1;
*/
check_update_rusage(td);
+ sk_out_drop();
return (void *) (uintptr_t) td->error;
}
* We cannot pass the td data into a forked process, so attach the td and
* pass it to the thread worker.
*/
-static int fork_main(int shmid, int offset)
+static int fork_main(struct sk_out *sk_out, int shmid, int offset)
{
- struct thread_data *td;
+ struct fork_data *fd;
void *data, *ret;
#if !defined(__hpux) && !defined(CONFIG_NO_SHM)
data = threads;
#endif
- td = data + offset * sizeof(struct thread_data);
- ret = thread_main(td);
+ fd = calloc(1, sizeof(*fd));
+ fd->td = data + offset * sizeof(struct thread_data);
+ fd->sk_out = sk_out;
+ ret = thread_main(fd);
shmdt(data);
return (int) (uintptr_t) ret;
}
/*
* Main function for kicking off and reaping jobs, as needed.
*/
-static void run_threads(void)
+static void run_threads(struct sk_out *sk_out)
{
struct thread_data *td;
unsigned int i, todo, nr_running, m_rate, t_rate, nr_started;
nr_started++;
if (td->o.use_thread) {
+ struct fork_data *fd;
int ret;
+ fd = calloc(1, sizeof(*fd));
+ fd->td = td;
+ fd->sk_out = sk_out;
+
dprint(FD_PROCESS, "will pthread_create\n");
ret = pthread_create(&td->thread, NULL,
- thread_main, td);
+ thread_main, fd);
if (ret) {
log_err("pthread_create: %s\n",
strerror(ret));
+ free(fd);
nr_started--;
break;
}
dprint(FD_PROCESS, "will fork\n");
pid = fork();
if (!pid) {
- int ret = fork_main(shm_id, i);
+ int ret = fork_main(sk_out, shm_id, i);
_exit(ret);
} else if (i == fio_debug_jobno)
static void *helper_thread_main(void *data)
{
- struct backend_data *d = data;
+ struct sk_out *sk_out = data;
int ret = 0;
- if (d)
- pthread_setspecific(d->key, d->ptr);
+ sk_out_assign(sk_out);
fio_mutex_up(startup_mutex);
print_thread_status();
}
+ sk_out_drop();
return NULL;
}
-static int create_helper_thread(struct backend_data *data)
+static int create_helper_thread(struct sk_out *sk_out)
{
int ret;
pthread_cond_init(&helper_cond, NULL);
pthread_mutex_init(&helper_lock, NULL);
- ret = pthread_create(&helper_thread, NULL, helper_thread_main, data);
+ ret = pthread_create(&helper_thread, NULL, helper_thread_main, sk_out);
if (ret) {
log_err("Can't create helper thread: %s\n", strerror(ret));
return 1;
return 0;
}
-int fio_backend(struct backend_data *data)
+int fio_backend(struct sk_out *sk_out)
{
struct thread_data *td;
int i;
set_genesis_time();
stat_init();
- create_helper_thread(data);
+ create_helper_thread(sk_out);
cgroup_list = smalloc(sizeof(*cgroup_list));
INIT_FLIST_HEAD(cgroup_list);
- run_threads();
+ run_threads(sk_out);
wait_for_helper_thread_exit();