#include <string.h>
#include <signal.h>
#include <time.h>
-#include <assert.h>
+#include <locale.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/ipc.h>
#include <sys/shm.h>
-#include <sys/ioctl.h>
#include <sys/mman.h>
#include "fio.h"
#include "os.h"
-#define MASK (4095)
-
-#define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK))
+static unsigned long page_mask;
+#define ALIGN(buf) \
+ (char *) (((unsigned long) (buf) + page_mask) & ~page_mask)
int groupid = 0;
int thread_number = 0;
int temp_stall_ts;
static volatile int startup_sem;
+static volatile int fio_abort;
+static int exit_value;
+
+struct io_log *agg_io_log[2];
#define TERMINATE_ALL (-1)
#define JOB_START_TIMEOUT (5 * 1000)
-static void terminate_threads(int group_id)
+static inline void td_set_runstate(struct thread_data *td, int runstate)
+{
+ td->runstate = runstate;
+}
+
+static void terminate_threads(int group_id, int forced_kill)
{
struct thread_data *td;
int i;
if (group_id == TERMINATE_ALL || groupid == td->groupid) {
td->terminate = 1;
td->start_delay = 0;
+ if (forced_kill)
+ td_set_runstate(td, TD_EXITED);
}
}
}
print_thread_status();
break;
default:
- printf("\nfio: terminating on signal\n");
+ printf("\nfio: terminating on signal %d\n", sig);
fflush(stdout);
- terminate_threads(TERMINATE_ALL);
+ terminate_threads(TERMINATE_ALL, 0);
break;
}
}
rate = (td->this_io_bytes[ddir] - td->rate_bytes) / spent;
if (rate < td->ratemin) {
- fprintf(f_out, "%s: min rate %d not met, got %ldKiB/sec\n", td->name, td->ratemin, rate);
+ fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate);
return 1;
}
}
return 0;
}
-static inline void td_set_runstate(struct thread_data *td, int runstate)
-{
- td->runstate = runstate;
-}
-
static struct fio_file *get_next_file(struct thread_data *td)
{
unsigned int old_next_file = td->next_file;
* The main verify engine. Runs over the writes we previusly submitted,
* reads the blocks back in, and checks the crc/md5 of the data.
*/
-void do_verify(struct thread_data *td)
+static void do_verify(struct thread_data *td)
{
struct io_u *io_u, *v_io_u = NULL;
struct io_completion_data icd;
td_set_runstate(td, TD_RUNNING);
- while (td->this_io_bytes[td->ddir] < td->io_size) {
- struct timespec ts = { .tv_sec = 0, .tv_nsec = 0};
+ while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->io_size) {
struct timespec *timeout;
int min_evts = 0;
struct io_u *io_u;
break;
memcpy(&s, &io_u->start_time, sizeof(s));
-
+requeue:
ret = td_io_queue(td, io_u);
if (ret) {
- td_verror(td, io_u->error);
- put_io_u(td, io_u);
- break;
+ if (ret > 0 && (io_u->xfer_buflen != io_u->resid) &&
+ io_u->resid) {
+ /*
+ * short read/write. requeue.
+ */
+ io_u->xfer_buflen = io_u->resid;
+ io_u->xfer_buf += ret;
+ goto requeue;
+ } else {
+ put_io_u(td, io_u);
+ break;
+ }
}
add_slat_sample(td, io_u->ddir, mtime_since(&io_u->start_time, &io_u->issue_time));
if (td->cur_depth < td->iodepth) {
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 0};
+
timeout = &ts;
min_evts = 0;
} else {
if (check_min_rate(td, &icd.time)) {
if (exitall_on_terminate)
- terminate_threads(td->groupid);
- td_verror(td, ENOMEM);
+ terminate_threads(td->groupid, 0);
+ td_verror(td, ENODATA);
break;
}
if (runtime_exceeded(td, &icd.time))
break;
- if (td->thinktime)
- usec_sleep(td, td->thinktime);
+ if (td->thinktime) {
+ unsigned long long b;
+
+ b = td->io_blocks[0] + td->io_blocks[1];
+ if (!(b % td->thinktime_blocks))
+ usec_sleep(td, td->thinktime);
+ }
}
if (!td->error) {
max_units = td->iodepth;
max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]);
- td->orig_buffer_size = max_bs * max_units + MASK;
+ td->orig_buffer_size = max_bs * max_units;
+
+ if (td->mem_type == MEM_SHMHUGE || td->mem_type == MEM_MMAPHUGE)
+ td->orig_buffer_size = (td->orig_buffer_size + td->hugepage_size - 1) & ~(td->hugepage_size - 1);
+ else
+ td->orig_buffer_size += page_mask;
if (allocate_io_mem(td))
return 1;
goto err;
}
- if (td_io_init(td))
- goto err;
-
if (init_iolog(td))
goto err;
if (open_files(td))
goto err;
- if (td->exec_prerun)
- system(td->exec_prerun);
+ /*
+ * Do this late, as some IO engines would like to have the
+ * files setup prior to initializing structures.
+ */
+ if (td_io_init(td))
+ goto err;
+
+ if (td->exec_prerun) {
+ if (system(td->exec_prerun) < 0)
+ goto err;
+ }
fio_gettime(&td->epoch, NULL);
+ getrusage(RUSAGE_SELF, &td->ru_start);
runtime[0] = runtime[1] = 0;
while (td->loops--) {
- getrusage(RUSAGE_SELF, &td->ru_start);
fio_gettime(&td->start, NULL);
memcpy(&td->stat_sample_time, &td->start, sizeof(td->start));
if (td_rw(td) && td->io_bytes[td->ddir ^ 1])
runtime[td->ddir ^ 1] = runtime[td->ddir];
- update_rusage_stat(td);
-
if (td->error || td->terminate)
break;
break;
}
+ update_rusage_stat(td);
fio_gettime(&td->end_time, NULL);
td->runtime[0] = runtime[0] / 1000;
td->runtime[1] = runtime[1] / 1000;
finish_log(td, td->clat_log, "clat");
if (td->write_iolog_file)
write_iolog_close(td);
- if (td->exec_postrun)
- system(td->exec_postrun);
+ if (td->exec_postrun) {
+ if (system(td->exec_postrun) < 0)
+ log_err("fio: postrun %s failed\n", td->exec_postrun);
+ }
if (exitall_on_terminate)
- terminate_threads(td->groupid);
+ terminate_threads(td->groupid, 0);
err:
+ if (td->error)
+ printf("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror);
close_files(td);
close_ioengine(td);
cleanup_io_u(td);
td_set_runstate(td, TD_EXITED);
- return NULL;
-
+ return (void *) td->error;
}
/*
* We cannot pass the td data into a forked process, so attach the td and
* pass it to the thread worker.
*/
-static void *fork_main(int shmid, int offset)
+static int fork_main(int shmid, int offset)
{
struct thread_data *td;
- void *data;
+ void *data, *ret;
data = shmat(shmid, NULL, 0);
if (data == (void *) -1) {
+ int __err = errno;
+
perror("shmat");
- return NULL;
+ return __err;
}
td = data + offset * sizeof(struct thread_data);
- thread_main(td);
+ ret = thread_main(td);
shmdt(data);
- return NULL;
+ return (int) ret;
}
/*
continue;
}
+ if (td->error)
+ exit_value++;
+
td_set_runstate(td, TD_REAPED);
if (td->use_thread) {
if (pthread_join(td->thread, (void *) &ret))
perror("thread_join");
- } else
- waitpid(td->pid, NULL, 0);
+ } else {
+ int status;
+
+ waitpid(td->pid, &status, 0);
+ if (WIFEXITED(status) && WEXITSTATUS(status)) {
+ if (!exit_value)
+ exit_value++;
+ }
+ }
(*nr_running)--;
(*m_rate) -= td->ratemin;
}
if (*nr_running == cputhreads && !pending)
- terminate_threads(TERMINATE_ALL);
+ terminate_threads(TERMINATE_ALL, 0);
}
/*
for_each_td(td, i) {
print_status_init(td->thread_number - 1);
- init_disk_util(td);
-
- if (!td->create_serialize)
+ if (!td->create_serialize) {
+ init_disk_util(td);
continue;
+ }
/*
* do file setup here so it happens sequentially,
* client data interspersed on disk
*/
if (setup_files(td)) {
+ exit_value++;
+ if (td->error)
+ log_err("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror);
td_set_runstate(td, TD_REAPED);
todo--;
}
+
+ init_disk_util(td);
}
while (todo) {
if (fork())
fio_sem_down(&startup_sem);
else {
- fork_main(shm_id, i);
- exit(0);
+ int ret = fork_main(shm_id, i);
+
+ exit(ret);
}
}
}
*/
fio_gettime(&this_start, NULL);
left = this_jobs;
- while (left) {
+ while (left && !fio_abort) {
if (mtime_since_now(&this_start) > JOB_START_TIMEOUT)
break;
int main(int argc, char *argv[])
{
+ long ps;
+
+ /*
+ * We need locale for number printing, if it isn't set then just
+ * go with the US format.
+ */
+ if (!getenv("LC_NUMERIC"))
+ setlocale(LC_NUMERIC, "en_US");
+
if (parse_options(argc, argv))
return 1;
return 1;
}
+ ps = sysconf(_SC_PAGESIZE);
+ if (ps < 0) {
+ log_err("Failed to get page size\n");
+ return 1;
+ }
+
+ page_mask = ps - 1;
+
+ if (write_bw_log) {
+ setup_log(&agg_io_log[DDIR_READ]);
+ setup_log(&agg_io_log[DDIR_WRITE]);
+ }
+
disk_util_timer_arm();
run_threads();
- show_run_stats();
- return 0;
+ if (!fio_abort) {
+ show_run_stats();
+ if (write_bw_log) {
+ __finish_log(agg_io_log[DDIR_READ],"agg-read_bw.log");
+ __finish_log(agg_io_log[DDIR_WRITE],"agg-write_bw.log");
+ }
+ }
+
+ return exit_value;
}
projects / fio.git / blobdiff