#include <sys/wait.h>
#include <sys/ipc.h>
#include <sys/mman.h>
+#include <math.h>
#include "fio.h"
#ifndef FIO_NO_HAVE_SHM_H
#include "cgroup.h"
#include "profile.h"
#include "lib/rand.h"
-#include "memalign.h"
+#include "lib/memalign.h"
#include "server.h"
#include "lib/getrusage.h"
#include "idletime.h"
+#include "err.h"
+#include "lib/tp.h"
+#include "workqueue.h"
+#include "lib/mountcheck.h"
+
+static pthread_t helper_thread;
+static pthread_mutex_t helper_lock;
+pthread_cond_t helper_cond;
+int helper_do_stat = 0;
-static pthread_t disk_util_thread;
-static struct fio_mutex *disk_thread_mutex;
static struct fio_mutex *startup_mutex;
-static struct fio_mutex *writeout_mutex;
static struct flist_head *cgroup_list;
static char *cgroup_mnt;
static int exit_value;
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 void sig_show_status(int sig)
+void sig_show_status(int sig)
{
show_running_run_stats();
}
/*
* Check if we are above the minimum rate given.
*/
-static int __check_min_rate(struct thread_data *td, struct timeval *now,
- enum fio_ddir ddir)
+static bool __check_min_rate(struct thread_data *td, struct timeval *now,
+ enum fio_ddir ddir)
{
unsigned long long bytes = 0;
unsigned long iops = 0;
assert(ddir_rw(ddir));
if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir])
- return 0;
+ return false;
/*
* allow a 2 second settle period in the beginning
*/
if (mtime_since(&td->start, now) < 2000)
- return 0;
+ return false;
iops += td->this_io_blocks[ddir];
bytes += td->this_io_bytes[ddir];
if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) {
spent = mtime_since(&td->lastrate[ddir], now);
if (spent < td->o.ratecycle)
- return 0;
+ return false;
- if (td->o.rate[ddir]) {
+ if (td->o.rate[ddir] || td->o.ratemin[ddir]) {
/*
* check bandwidth specified rate
*/
if (bytes < td->rate_bytes[ddir]) {
log_err("%s: min rate %u not met\n", td->o.name,
ratemin);
- return 1;
+ return true;
} else {
- rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent;
+ if (spent)
+ rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent;
+ else
+ rate = 0;
+
if (rate < ratemin ||
bytes < td->rate_bytes[ddir]) {
log_err("%s: min rate %u not met, got"
" %luKB/sec\n", td->o.name,
ratemin, rate);
- return 1;
+ return true;
}
}
} else {
if (iops < rate_iops) {
log_err("%s: min iops rate %u not met\n",
td->o.name, rate_iops);
- return 1;
+ return true;
} else {
- rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent;
+ if (spent)
+ rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent;
+ else
+ rate = 0;
+
if (rate < rate_iops_min ||
iops < td->rate_blocks[ddir]) {
log_err("%s: min iops rate %u not met,"
" got %lu\n", td->o.name,
rate_iops_min, rate);
+ return true;
}
}
}
td->rate_bytes[ddir] = bytes;
td->rate_blocks[ddir] = iops;
memcpy(&td->lastrate[ddir], now, sizeof(*now));
- return 0;
+ return false;
}
-static int check_min_rate(struct thread_data *td, struct timeval *now,
- uint64_t *bytes_done)
+static bool check_min_rate(struct thread_data *td, struct timeval *now)
{
- int ret = 0;
+ bool ret = false;
- if (bytes_done[DDIR_READ])
+ if (td->bytes_done[DDIR_READ])
ret |= __check_min_rate(td, now, DDIR_READ);
- if (bytes_done[DDIR_WRITE])
+ if (td->bytes_done[DDIR_WRITE])
ret |= __check_min_rate(td, now, DDIR_WRITE);
- if (bytes_done[DDIR_TRIM])
+ if (td->bytes_done[DDIR_TRIM])
ret |= __check_min_rate(td, now, DDIR_TRIM);
return ret;
*/
static void cleanup_pending_aio(struct thread_data *td)
{
- struct flist_head *entry, *n;
- struct io_u *io_u;
int r;
/*
* get immediately available events, if any
*/
- r = io_u_queued_complete(td, 0, NULL);
+ r = io_u_queued_complete(td, 0);
if (r < 0)
return;
* now cancel remaining active events
*/
if (td->io_ops->cancel) {
- flist_for_each_safe(entry, n, &td->io_u_busylist) {
- io_u = flist_entry(entry, struct io_u, list);
+ struct io_u *io_u;
+ int i;
- /*
- * if the io_u isn't in flight, then that generally
- * means someone leaked an io_u. complain but fix
- * it up, so we don't stall here.
- */
- if ((io_u->flags & IO_U_F_FLIGHT) == 0) {
- log_err("fio: non-busy IO on busy list\n");
- put_io_u(td, io_u);
- } else {
+ io_u_qiter(&td->io_u_all, io_u, i) {
+ if (io_u->flags & IO_U_F_FLIGHT) {
r = td->io_ops->cancel(td, io_u);
if (!r)
put_io_u(td, io_u);
}
if (td->cur_depth)
- r = io_u_queued_complete(td, td->cur_depth, NULL);
+ r = io_u_queued_complete(td, td->cur_depth);
}
/*
* Helper to handle the final sync of a file. Works just like the normal
* io path, just does everything sync.
*/
-static int fio_io_sync(struct thread_data *td, struct fio_file *f)
+static bool fio_io_sync(struct thread_data *td, struct fio_file *f)
{
struct io_u *io_u = __get_io_u(td);
int ret;
if (!io_u)
- return 1;
+ return true;
io_u->ddir = DDIR_SYNC;
io_u->file = f;
if (td_io_prep(td, io_u)) {
put_io_u(td, io_u);
- return 1;
+ return true;
}
requeue:
if (ret < 0) {
td_verror(td, io_u->error, "td_io_queue");
put_io_u(td, io_u);
- return 1;
+ return true;
} else if (ret == FIO_Q_QUEUED) {
- if (io_u_queued_complete(td, 1, NULL) < 0)
- return 1;
+ if (io_u_queued_complete(td, 1) < 0)
+ return true;
} else if (ret == FIO_Q_COMPLETED) {
if (io_u->error) {
td_verror(td, io_u->error, "td_io_queue");
- return 1;
+ return true;
}
- if (io_u_sync_complete(td, io_u, NULL) < 0)
- return 1;
+ if (io_u_sync_complete(td, io_u) < 0)
+ return true;
} else if (ret == FIO_Q_BUSY) {
if (td_io_commit(td))
- return 1;
+ return true;
goto requeue;
}
- return 0;
+ return false;
}
static int fio_file_fsync(struct thread_data *td, struct fio_file *f)
__update_tv_cache(td);
}
-static inline int runtime_exceeded(struct thread_data *td, struct timeval *t)
+static inline bool runtime_exceeded(struct thread_data *td, struct timeval *t)
{
if (in_ramp_time(td))
- return 0;
+ return false;
if (!td->o.timeout)
- return 0;
- if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000)
- return 1;
+ return false;
+ if (utime_since(&td->epoch, t) >= td->o.timeout)
+ return true;
- return 0;
+ return false;
}
-static int break_on_this_error(struct thread_data *td, enum fio_ddir ddir,
- int *retptr)
+/*
+ * We need to update the runtime consistently in ms, but keep a running
+ * tally of the current elapsed time in microseconds for sub millisecond
+ * updates.
+ */
+static inline void update_runtime(struct thread_data *td,
+ unsigned long long *elapsed_us,
+ const enum fio_ddir ddir)
+{
+ if (ddir == DDIR_WRITE && td_write(td) && td->o.verify_only)
+ return;
+
+ td->ts.runtime[ddir] -= (elapsed_us[ddir] + 999) / 1000;
+ elapsed_us[ddir] += utime_since_now(&td->start);
+ td->ts.runtime[ddir] += (elapsed_us[ddir] + 999) / 1000;
+}
+
+static bool break_on_this_error(struct thread_data *td, enum fio_ddir ddir,
+ int *retptr)
{
int ret = *retptr;
eb = td_error_type(ddir, err);
if (!(td->o.continue_on_error & (1 << eb)))
- return 1;
+ return true;
if (td_non_fatal_error(td, eb, err)) {
/*
update_error_count(td, err);
td_clear_error(td);
*retptr = 0;
- return 0;
+ return false;
} else if (td->o.fill_device && err == ENOSPC) {
/*
* We expect to hit this error if
* fill_device option is set.
*/
td_clear_error(td);
- td->terminate = 1;
- return 1;
+ fio_mark_td_terminate(td);
+ return true;
} else {
/*
* Stop the I/O in case of a fatal
* error.
*/
update_error_count(td, err);
- return 1;
+ return true;
}
}
- return 0;
+ return false;
}
static void check_update_rusage(struct thread_data *td)
}
}
+static int wait_for_completions(struct thread_data *td, struct timeval *time)
+{
+ 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_min, td->cur_depth);
+ if ((full && !min_evts) || !td->o.iodepth_batch_complete_min)
+ 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);
+ if (ret < 0)
+ break;
+ } while (full && (td->cur_depth > td->o.iodepth_low));
+
+ return ret;
+}
+
+int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
+ enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
+ struct timeval *comp_time)
+{
+ int ret2;
+
+ switch (*ret) {
+ case FIO_Q_COMPLETED:
+ if (io_u->error) {
+ *ret = -io_u->error;
+ clear_io_u(td, io_u);
+ } else if (io_u->resid) {
+ int bytes = io_u->xfer_buflen - io_u->resid;
+ struct fio_file *f = io_u->file;
+
+ if (bytes_issued)
+ *bytes_issued += bytes;
+
+ if (!from_verify)
+ trim_io_piece(td, io_u);
+
+ /*
+ * zero read, fail
+ */
+ if (!bytes) {
+ if (!from_verify)
+ unlog_io_piece(td, io_u);
+ td_verror(td, EIO, "full resid");
+ put_io_u(td, io_u);
+ break;
+ }
+
+ io_u->xfer_buflen = io_u->resid;
+ io_u->xfer_buf += bytes;
+ io_u->offset += bytes;
+
+ if (ddir_rw(io_u->ddir))
+ td->ts.short_io_u[io_u->ddir]++;
+
+ f = io_u->file;
+ if (io_u->offset == f->real_file_size)
+ goto sync_done;
+
+ requeue_io_u(td, &io_u);
+ } else {
+sync_done:
+ if (comp_time && (__should_check_rate(td, DDIR_READ) ||
+ __should_check_rate(td, DDIR_WRITE) ||
+ __should_check_rate(td, DDIR_TRIM)))
+ fio_gettime(comp_time, NULL);
+
+ *ret = io_u_sync_complete(td, io_u);
+ if (*ret < 0)
+ break;
+ }
+ return 0;
+ case FIO_Q_QUEUED:
+ /*
+ * if the engine doesn't have a commit hook,
+ * the io_u is really queued. if it does have such
+ * a hook, it has to call io_u_queued() itself.
+ */
+ if (td->io_ops->commit == NULL)
+ io_u_queued(td, io_u);
+ if (bytes_issued)
+ *bytes_issued += io_u->xfer_buflen;
+ break;
+ case FIO_Q_BUSY:
+ if (!from_verify)
+ unlog_io_piece(td, io_u);
+ requeue_io_u(td, &io_u);
+ ret2 = td_io_commit(td);
+ if (ret2 < 0)
+ *ret = ret2;
+ break;
+ default:
+ assert(*ret < 0);
+ td_verror(td, -(*ret), "td_io_queue");
+ break;
+ }
+
+ if (break_on_this_error(td, ddir, ret))
+ return 1;
+
+ return 0;
+}
+
+static inline bool io_in_polling(struct thread_data *td)
+{
+ return !td->o.iodepth_batch_complete_min &&
+ !td->o.iodepth_batch_complete_max;
+}
+
/*
* The main verify engine. Runs over the writes we previously submitted,
* reads the blocks back in, and checks the crc/md5 of the data.
*/
static void do_verify(struct thread_data *td, uint64_t verify_bytes)
{
- uint64_t bytes_done[DDIR_RWDIR_CNT] = { 0, 0, 0 };
struct fio_file *f;
struct io_u *io_u;
int ret, min_events;
io_u = NULL;
while (!td->terminate) {
enum fio_ddir ddir;
- int ret2, full;
+ int full;
update_tv_cache(td);
check_update_rusage(td);
if (runtime_exceeded(td, &td->tv_cache)) {
__update_tv_cache(td);
if (runtime_exceeded(td, &td->tv_cache)) {
- td->terminate = 1;
+ fio_mark_td_terminate(td);
break;
}
}
break;
}
} else {
- if (ddir_rw_sum(bytes_done) + td->o.rw_min_bs > verify_bytes)
+ if (ddir_rw_sum(td->bytes_done) + td->o.rw_min_bs > verify_bytes)
break;
while ((io_u = get_io_u(td)) != NULL) {
+ if (IS_ERR(io_u)) {
+ io_u = NULL;
+ ret = FIO_Q_BUSY;
+ goto reap;
+ }
+
/*
* We are only interested in the places where
* we wrote or trimmed IOs. Turn those into
continue;
} else if (io_u->ddir == DDIR_TRIM) {
io_u->ddir = DDIR_READ;
- io_u->flags |= IO_U_F_TRIMMED;
+ io_u_set(io_u, IO_U_F_TRIMMED);
break;
} else if (io_u->ddir == DDIR_WRITE) {
io_u->ddir = DDIR_READ;
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
io_u->end_io = verify_io_u;
ddir = io_u->ddir;
+ if (!td->o.disable_slat)
+ fio_gettime(&io_u->start_time, NULL);
ret = td_io_queue(td, io_u);
- switch (ret) {
- case FIO_Q_COMPLETED:
- if (io_u->error) {
- ret = -io_u->error;
- clear_io_u(td, io_u);
- } else if (io_u->resid) {
- int bytes = io_u->xfer_buflen - io_u->resid;
-
- /*
- * zero read, fail
- */
- if (!bytes) {
- td_verror(td, EIO, "full resid");
- put_io_u(td, io_u);
- break;
- }
-
- io_u->xfer_buflen = io_u->resid;
- io_u->xfer_buf += bytes;
- io_u->offset += bytes;
-
- if (ddir_rw(io_u->ddir))
- td->ts.short_io_u[io_u->ddir]++;
-
- f = io_u->file;
- if (io_u->offset == f->real_file_size)
- goto sync_done;
- requeue_io_u(td, &io_u);
- } else {
-sync_done:
- ret = io_u_sync_complete(td, io_u, bytes_done);
- if (ret < 0)
- break;
- }
- continue;
- case FIO_Q_QUEUED:
- break;
- case FIO_Q_BUSY:
- requeue_io_u(td, &io_u);
- ret2 = td_io_commit(td);
- if (ret2 < 0)
- ret = ret2;
- break;
- default:
- assert(ret < 0);
- td_verror(td, -ret, "td_io_queue");
- break;
- }
-
- if (break_on_this_error(td, ddir, &ret))
+ if (io_queue_event(td, io_u, &ret, ddir, NULL, 1, NULL))
break;
/*
* completed io_u's first. Note that we can get BUSY even
* without IO queued, if the system is resource starved.
*/
+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 || io_in_polling(td))
+ ret = wait_for_completions(td, NULL);
- 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;
}
min_events = td->cur_depth;
if (min_events)
- ret = io_u_queued_complete(td, min_events, NULL);
+ ret = io_u_queued_complete(td, min_events);
} else
cleanup_pending_aio(td);
dprint(FD_VERIFY, "exiting loop\n");
}
-static int io_bytes_exceeded(struct thread_data *td)
+static bool exceeds_number_ios(struct thread_data *td)
+{
+ unsigned long long number_ios;
+
+ if (!td->o.number_ios)
+ return false;
+
+ number_ios = ddir_rw_sum(td->io_blocks);
+ number_ios += td->io_u_queued + td->io_u_in_flight;
+
+ return number_ios >= (td->o.number_ios * td->loops);
+}
+
+static bool io_issue_bytes_exceeded(struct thread_data *td)
+{
+ unsigned long long bytes, limit;
+
+ if (td_rw(td))
+ bytes = td->io_issue_bytes[DDIR_READ] + td->io_issue_bytes[DDIR_WRITE];
+ else if (td_write(td))
+ bytes = td->io_issue_bytes[DDIR_WRITE];
+ else if (td_read(td))
+ bytes = td->io_issue_bytes[DDIR_READ];
+ else
+ bytes = td->io_issue_bytes[DDIR_TRIM];
+
+ if (td->o.io_limit)
+ limit = td->o.io_limit;
+ else
+ limit = td->o.size;
+
+ limit *= td->loops;
+ return bytes >= limit || exceeds_number_ios(td);
+}
+
+static bool io_complete_bytes_exceeded(struct thread_data *td)
{
- unsigned long long bytes;
+ unsigned long long bytes, limit;
if (td_rw(td))
bytes = td->this_io_bytes[DDIR_READ] + td->this_io_bytes[DDIR_WRITE];
else
bytes = td->this_io_bytes[DDIR_TRIM];
- return bytes >= td->o.size;
+ if (td->o.io_limit)
+ limit = td->o.io_limit;
+ else
+ limit = td->o.size;
+
+ limit *= td->loops;
+ return bytes >= limit || exceeds_number_ios(td);
+}
+
+/*
+ * used to calculate the next io time for rate control
+ *
+ */
+static long long usec_for_io(struct thread_data *td, enum fio_ddir ddir)
+{
+ uint64_t secs, remainder, bps, bytes, iops;
+
+ assert(!(td->flags & TD_F_CHILD));
+ bytes = td->rate_io_issue_bytes[ddir];
+ bps = td->rate_bps[ddir];
+
+ if (td->o.rate_process == RATE_PROCESS_POISSON) {
+ uint64_t val;
+ iops = bps / td->o.bs[ddir];
+ val = (int64_t) (1000000 / iops) *
+ -logf(__rand_0_1(&td->poisson_state));
+ if (val) {
+ dprint(FD_RATE, "poisson rate iops=%llu\n",
+ (unsigned long long) 1000000 / val);
+ }
+ td->last_usec += val;
+ return td->last_usec;
+ } else if (bps) {
+ secs = bytes / bps;
+ remainder = bytes % bps;
+ return remainder * 1000000 / bps + secs * 1000000;
+ }
+
+ return 0;
}
/*
*/
static uint64_t do_io(struct thread_data *td)
{
- uint64_t bytes_done[DDIR_RWDIR_CNT] = { 0, 0, 0 };
unsigned int i;
int ret = 0;
+ uint64_t total_bytes, bytes_issued = 0;
if (in_ramp_time(td))
td_set_runstate(td, TD_RAMP);
else
td_set_runstate(td, TD_RUNNING);
+ lat_target_init(td);
+
+ total_bytes = td->o.size;
+ /*
+ * Allow random overwrite workloads to write up to io_limit
+ * before starting verification phase as 'size' doesn't apply.
+ */
+ if (td_write(td) && td_random(td) && td->o.norandommap)
+ total_bytes = max(total_bytes, (uint64_t) td->o.io_limit);
+ /*
+ * If verify_backlog is enabled, we'll run the verify in this
+ * handler as well. For that case, we may need up to twice the
+ * amount of bytes.
+ */
+ if (td->o.verify != VERIFY_NONE &&
+ (td_write(td) && td->o.verify_backlog))
+ total_bytes += td->o.size;
+
+ /* In trimwrite mode, each byte is trimmed and then written, so
+ * allow total_bytes to be twice as big */
+ if (td_trimwrite(td))
+ total_bytes += td->total_io_size;
+
while ((td->o.read_iolog_file && !flist_empty(&td->io_log_list)) ||
- (!flist_empty(&td->trim_list)) || !io_bytes_exceeded(td) ||
+ (!flist_empty(&td->trim_list)) || !io_issue_bytes_exceeded(td) ||
td->o.time_based) {
struct timeval comp_time;
- int min_evts = 0;
struct io_u *io_u;
- int ret2, full;
+ int full;
enum fio_ddir ddir;
check_update_rusage(td);
if (runtime_exceeded(td, &td->tv_cache)) {
__update_tv_cache(td);
if (runtime_exceeded(td, &td->tv_cache)) {
- td->terminate = 1;
+ fio_mark_td_terminate(td);
break;
}
}
if (flow_threshold_exceeded(td))
continue;
+ if (!td->o.time_based && bytes_issued >= total_bytes)
+ break;
+
io_u = get_io_u(td);
- if (!io_u)
+ if (IS_ERR_OR_NULL(io_u)) {
+ int err = PTR_ERR(io_u);
+
+ io_u = NULL;
+ if (err == -EBUSY) {
+ ret = FIO_Q_BUSY;
+ goto reap;
+ }
+ if (td->o.latency_target)
+ goto reap;
break;
+ }
ddir = io_u->ddir;
*/
if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ &&
((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);
+ if (sizeof(int) != sizeof(long *))
+ 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)
io_u->end_io = verify_io_u_async;
else
else
td_set_runstate(td, TD_RUNNING);
- ret = td_io_queue(td, io_u);
- switch (ret) {
- case FIO_Q_COMPLETED:
- if (io_u->error) {
- ret = -io_u->error;
- clear_io_u(td, io_u);
- } else if (io_u->resid) {
- int bytes = io_u->xfer_buflen - io_u->resid;
- struct fio_file *f = io_u->file;
-
- /*
- * zero read, fail
- */
- if (!bytes) {
- td_verror(td, EIO, "full resid");
- put_io_u(td, io_u);
- break;
- }
-
- io_u->xfer_buflen = io_u->resid;
- io_u->xfer_buf += bytes;
- io_u->offset += bytes;
+ /*
+ * Always log IO before it's issued, so we know the specific
+ * order of it. The logged unit will track when the IO has
+ * completed.
+ */
+ if (td_write(td) && io_u->ddir == DDIR_WRITE &&
+ td->o.do_verify &&
+ td->o.verify != VERIFY_NONE &&
+ !td->o.experimental_verify)
+ log_io_piece(td, io_u);
- if (ddir_rw(io_u->ddir))
- td->ts.short_io_u[io_u->ddir]++;
+ if (td->o.io_submit_mode == IO_MODE_OFFLOAD) {
+ if (td->error)
+ break;
+ ret = workqueue_enqueue(&td->io_wq, io_u);
- if (io_u->offset == f->real_file_size)
- goto sync_done;
+ if (should_check_rate(td))
+ td->rate_next_io_time[ddir] = usec_for_io(td, ddir);
- requeue_io_u(td, &io_u);
- } else {
-sync_done:
- if (__should_check_rate(td, DDIR_READ) ||
- __should_check_rate(td, DDIR_WRITE) ||
- __should_check_rate(td, DDIR_TRIM))
- fio_gettime(&comp_time, NULL);
+ } else {
+ ret = td_io_queue(td, io_u);
- ret = io_u_sync_complete(td, io_u, bytes_done);
- if (ret < 0)
- break;
- }
- break;
- case FIO_Q_QUEUED:
- /*
- * if the engine doesn't have a commit hook,
- * the io_u is really queued. if it does have such
- * a hook, it has to call io_u_queued() itself.
- */
- if (td->io_ops->commit == NULL)
- io_u_queued(td, io_u);
- break;
- case FIO_Q_BUSY:
- requeue_io_u(td, &io_u);
- ret2 = td_io_commit(td);
- if (ret2 < 0)
- ret = ret2;
- break;
- default:
- assert(ret < 0);
- put_io_u(td, io_u);
- break;
- }
+ if (should_check_rate(td))
+ td->rate_next_io_time[ddir] = usec_for_io(td, ddir);
- if (break_on_this_error(td, ddir, &ret))
- break;
+ if (io_queue_event(td, io_u, &ret, ddir, &bytes_issued, 0, &comp_time))
+ break;
- /*
- * See if we need to complete some commands. Note that we
- * can get BUSY even without IO queued, if the system is
- * resource starved.
- */
- 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
+ * See if we need to complete some commands. Note that
+ * we can get BUSY even without IO queued, if the
+ * system is resource starved.
*/
- 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));
+reap:
+ full = queue_full(td) ||
+ (ret == FIO_Q_BUSY && td->cur_depth);
+ if (full || io_in_polling(td))
+ ret = wait_for_completions(td, &comp_time);
}
-
if (ret < 0)
break;
- if (!ddir_rw_sum(bytes_done) && !(td->io_ops->flags & FIO_NOIO))
+ if (!ddir_rw_sum(td->bytes_done) &&
+ !(td->io_ops->flags & FIO_NOIO))
continue;
- if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) {
- if (check_min_rate(td, &comp_time, bytes_done)) {
+ if (!in_ramp_time(td) && should_check_rate(td)) {
+ if (check_min_rate(td, &comp_time)) {
if (exitall_on_terminate)
fio_terminate_threads(td->groupid);
td_verror(td, EIO, "check_min_rate");
break;
}
}
+ if (!in_ramp_time(td) && td->o.latency_target)
+ lat_target_check(td);
if (td->o.thinktime) {
unsigned long long b;
if (td->o.fill_device && td->error == ENOSPC) {
td->error = 0;
- td->terminate = 1;
+ fio_mark_td_terminate(td);
}
if (!td->error) {
struct fio_file *f;
- i = td->cur_depth;
+ if (td->o.io_submit_mode == IO_MODE_OFFLOAD) {
+ workqueue_flush(&td->io_wq);
+ i = 0;
+ } else
+ i = td->cur_depth;
+
if (i) {
- ret = io_u_queued_complete(td, i, bytes_done);
+ ret = io_u_queued_complete(td, i);
if (td->o.fill_device && td->error == ENOSPC)
td->error = 0;
}
if (!ddir_rw_sum(td->this_io_bytes))
td->done = 1;
- return bytes_done[DDIR_WRITE] + bytes_done[DDIR_TRIM];
+ return td->bytes_done[DDIR_WRITE] + td->bytes_done[DDIR_TRIM];
}
static void cleanup_io_u(struct thread_data *td)
{
- struct flist_head *entry, *n;
struct io_u *io_u;
- flist_for_each_safe(entry, n, &td->io_u_freelist) {
- io_u = flist_entry(entry, struct io_u, list);
-
- flist_del(&io_u->list);
+ while ((io_u = io_u_qpop(&td->io_u_freelist)) != NULL) {
if (td->io_ops->io_u_free)
td->io_ops->io_u_free(td, io_u);
}
free_io_mem(td);
+
+ 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)
struct io_u *io_u;
unsigned int max_bs, min_write;
int cl_align, i, max_units;
- int data_xfer = 1;
+ int data_xfer = 1, err;
char *p;
max_units = td->o.iodepth;
if ((td->io_ops->flags & FIO_NOIO) || !(td_read(td) || td_write(td)))
data_xfer = 0;
+ err = 0;
+ err += io_u_rinit(&td->io_u_requeues, td->o.iodepth);
+ err += io_u_qinit(&td->io_u_freelist, td->o.iodepth);
+ err += io_u_qinit(&td->io_u_all, td->o.iodepth);
+
+ if (err) {
+ log_err("fio: failed setting up IO queues\n");
+ return 1;
+ }
+
/*
* if we may later need to do address alignment, then add any
* possible adjustment here so that we don't cause a buffer
* overflow later. this adjustment may be too much if we get
* lucky and the allocator gives us an aligned address.
*/
- if (td->o.odirect || td->o.mem_align || (td->io_ops->flags & FIO_RAWIO))
+ if (td->o.odirect || td->o.mem_align || td->o.oatomic ||
+ (td->io_ops->flags & FIO_RAWIO))
td->orig_buffer_size += page_mask + td->o.mem_align;
if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) {
if (data_xfer && allocate_io_mem(td))
return 1;
- if (td->o.odirect || td->o.mem_align ||
+ if (td->o.odirect || td->o.mem_align || td->o.oatomic ||
(td->io_ops->flags & FIO_RAWIO))
p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align;
else
io_u = ptr;
memset(io_u, 0, sizeof(*io_u));
- INIT_FLIST_HEAD(&io_u->list);
+ INIT_FLIST_HEAD(&io_u->verify_list);
dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i);
if (data_xfer) {
* Fill the buffer with the pattern if we are
* going to be doing writes.
*/
- fill_pattern(td, io_u->buf, max_bs, io_u, 0, 0);
+ fill_verify_pattern(td, io_u->buf, max_bs, io_u, 0, 0);
}
}
io_u->index = i;
io_u->flags = IO_U_F_FREE;
- flist_add(&io_u->list, &td->io_u_freelist);
+ io_u_qpush(&td->io_u_freelist, io_u);
+
+ /*
+ * io_u never leaves this stack, used for iteration of all
+ * io_u buffers.
+ */
+ io_u_qpush(&td->io_u_all, io_u);
if (td->io_ops->io_u_init) {
int ret = td->io_ops->io_u_init(td, io_u);
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;
}
/*
* Read back and check that the selected scheduler is now the default.
*/
- ret = fread(tmp, 1, sizeof(tmp), f);
+ memset(tmp, 0, sizeof(tmp));
+ ret = fread(tmp, sizeof(tmp), 1, f);
if (ferror(f) || ret < 0) {
td_verror(td, errno, "fread");
fclose(f);
return 1;
}
+ /*
+ * either a list of io schedulers or "none\n" is expected.
+ */
+ tmp[strlen(tmp) - 1] = '\0';
+
sprintf(tmp2, "[%s]", td->o.ioscheduler);
if (!strstr(tmp, tmp2)) {
return 0;
}
-static int keep_running(struct thread_data *td)
+static bool keep_running(struct thread_data *td)
{
+ unsigned long long limit;
+
if (td->done)
- return 0;
+ return false;
if (td->o.time_based)
- return 1;
+ return true;
if (td->o.loops) {
td->o.loops--;
- return 1;
+ return true;
}
+ if (exceeds_number_ios(td))
+ return false;
+
+ if (td->o.io_limit)
+ limit = td->o.io_limit;
+ else
+ limit = td->o.size;
- if (td->o.size != -1ULL && ddir_rw_sum(td->io_bytes) < td->o.size) {
+ if (limit != -1ULL && ddir_rw_sum(td->io_bytes) < limit) {
uint64_t diff;
/*
* If the difference is less than the minimum IO size, we
* are done.
*/
- diff = td->o.size - ddir_rw_sum(td->io_bytes);
+ diff = limit - ddir_rw_sum(td->io_bytes);
if (diff < td_max_bs(td))
- return 0;
+ return false;
- return 1;
+ if (fio_files_done(td))
+ return false;
+
+ return true;
}
- return 0;
+ return false;
}
-static int exec_string(const char *string)
+static int exec_string(struct thread_options *o, const char *string, const char *mode)
{
- int ret, newlen = strlen(string) + 1 + 8;
+ size_t newlen = strlen(string) + strlen(o->name) + strlen(mode) + 9 + 1;
+ int ret;
char *str;
str = malloc(newlen);
- sprintf(str, "sh -c %s", string);
+ sprintf(str, "%s &> %s.%s.txt", string, o->name, mode);
+ log_info("%s : Saving output of %s in %s.%s.txt\n",o->name, mode, o->name, mode);
ret = system(str);
if (ret == -1)
log_err("fio: exec of cmd <%s> failed\n", str);
return ret;
}
+/*
+ * Dry run to compute correct state of numberio for verification.
+ */
+static uint64_t do_dry_run(struct thread_data *td)
+{
+ td_set_runstate(td, TD_RUNNING);
+
+ while ((td->o.read_iolog_file && !flist_empty(&td->io_log_list)) ||
+ (!flist_empty(&td->trim_list)) || !io_complete_bytes_exceeded(td)) {
+ struct io_u *io_u;
+ int ret;
+
+ if (td->terminate || td->done)
+ break;
+
+ io_u = get_io_u(td);
+ if (!io_u)
+ break;
+
+ io_u_set(io_u, IO_U_F_FLIGHT);
+ io_u->error = 0;
+ io_u->resid = 0;
+ if (ddir_rw(acct_ddir(io_u)))
+ td->io_issues[acct_ddir(io_u)]++;
+ if (ddir_rw(io_u->ddir)) {
+ io_u_mark_depth(td, 1);
+ td->ts.total_io_u[io_u->ddir]++;
+ }
+
+ if (td_write(td) && io_u->ddir == DDIR_WRITE &&
+ td->o.do_verify &&
+ td->o.verify != VERIFY_NONE &&
+ !td->o.experimental_verify)
+ log_io_piece(td, io_u);
+
+ ret = io_u_sync_complete(td, io_u);
+ (void) ret;
+ }
+
+ return td->bytes_done[DDIR_WRITE] + td->bytes_done[DDIR_TRIM];
+}
+
+static void io_workqueue_fn(struct thread_data *td, struct io_u *io_u)
+{
+ const enum fio_ddir ddir = io_u->ddir;
+ int ret;
+
+ dprint(FD_RATE, "io_u %p queued by %u\n", io_u, gettid());
+
+ io_u_set(io_u, IO_U_F_NO_FILE_PUT);
+
+ td->cur_depth++;
+
+ do {
+ ret = td_io_queue(td, io_u);
+ if (ret != FIO_Q_BUSY)
+ break;
+ ret = io_u_queued_complete(td, 1);
+ if (ret > 0)
+ td->cur_depth -= ret;
+ io_u_clear(io_u, IO_U_F_FLIGHT);
+ } while (1);
+
+ dprint(FD_RATE, "io_u %p ret %d by %u\n", io_u, ret, gettid());
+
+ io_queue_event(td, io_u, &ret, ddir, NULL, 0, NULL);
+
+ if (ret == FIO_Q_COMPLETED)
+ td->cur_depth--;
+ else if (ret == FIO_Q_QUEUED) {
+ unsigned int min_evts;
+
+ if (td->o.iodepth == 1)
+ min_evts = 1;
+ else
+ min_evts = 0;
+
+ ret = io_u_queued_complete(td, min_evts);
+ if (ret > 0)
+ td->cur_depth -= ret;
+ } else if (ret == FIO_Q_BUSY) {
+ ret = io_u_queued_complete(td, td->cur_depth);
+ if (ret > 0)
+ td->cur_depth -= ret;
+ }
+}
+
/*
* 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)
{
- unsigned long long elapsed;
+ unsigned long long elapsed_us[DDIR_RWDIR_CNT] = { 0, };
struct thread_data *td = data;
struct thread_options *o = &td->o;
pthread_condattr_t attr;
if (is_backend)
fio_server_send_start(td);
- INIT_FLIST_HEAD(&td->io_u_freelist);
- INIT_FLIST_HEAD(&td->io_u_busylist);
- INIT_FLIST_HEAD(&td->io_u_requeues);
INIT_FLIST_HEAD(&td->io_log_list);
INIT_FLIST_HEAD(&td->io_hist_list);
INIT_FLIST_HEAD(&td->verify_list);
fio_mutex_down(td->mutex);
dprint(FD_MUTEX, "done waiting on td->mutex\n");
- /*
- * the ->mutex mutex is now no longer used, close it to avoid
- * eating a file descriptor
- */
- fio_mutex_remove(td->mutex);
- td->mutex = NULL;
-
/*
* A new gid requires privilege, so we need to do this before setting
* the uid.
* 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) {
+ log_err("fio: no CPUs set\n");
+ log_err("fio: Try increasing number of available CPUs\n");
+ td_verror(td, EINVAL, "cpus_split");
+ goto err;
+ }
+ }
ret = fio_setaffinity(td->pid, o->cpumask);
if (ret == -1) {
td_verror(td, errno, "cpu_set_affinity");
#ifdef CONFIG_LIBNUMA
/* numa node setup */
- if (o->numa_cpumask_set || o->numa_memmask_set) {
- int ret;
+ if (fio_option_is_set(o, numa_cpunodes) ||
+ fio_option_is_set(o, numa_memnodes)) {
+ struct bitmask *mask;
if (numa_available() < 0) {
td_verror(td, errno, "Does not support NUMA API\n");
goto err;
}
- if (o->numa_cpumask_set) {
- ret = numa_run_on_node_mask(o->numa_cpunodesmask);
+ 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 (ret == -1) {
td_verror(td, errno, \
"numa_run_on_node_mask failed\n");
}
}
- 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);
switch (o->numa_mem_mode) {
case MPOL_INTERLEAVE:
- numa_set_interleave_mask(o->numa_memnodesmask);
+ numa_set_interleave_mask(mask);
break;
case MPOL_BIND:
- numa_set_membind(o->numa_memnodesmask);
+ numa_set_membind(mask);
break;
case MPOL_LOCAL:
numa_set_localalloc();
break;
}
+ if (mask)
+ numa_free_nodemask(mask);
+
}
}
#endif
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");
if (init_random_map(td))
goto err;
- if (o->exec_prerun && exec_string(o->exec_prerun))
+ if (o->exec_prerun && exec_string(o, o->exec_prerun, (const char *)"prerun"))
goto err;
if (o->pre_read) {
goto err;
}
+ if (td->flags & TD_F_COMPRESS_LOG)
+ tp_init(&td->tp_data);
+
fio_verify_init(td);
+ if ((o->io_submit_mode == IO_MODE_OFFLOAD) &&
+ workqueue_init(td, &td->io_wq, io_workqueue_fn, td->o.iodepth))
+ goto err;
+
fio_gettime(&td->epoch, NULL);
fio_getrusage(&td->ru_start);
+ memcpy(&td->bw_sample_time, &td->epoch, sizeof(td->epoch));
+ memcpy(&td->iops_sample_time, &td->epoch, sizeof(td->epoch));
+
+ if (o->ratemin[DDIR_READ] || o->ratemin[DDIR_WRITE] ||
+ o->ratemin[DDIR_TRIM]) {
+ memcpy(&td->lastrate[DDIR_READ], &td->bw_sample_time,
+ sizeof(td->bw_sample_time));
+ memcpy(&td->lastrate[DDIR_WRITE], &td->bw_sample_time,
+ sizeof(td->bw_sample_time));
+ memcpy(&td->lastrate[DDIR_TRIM], &td->bw_sample_time,
+ sizeof(td->bw_sample_time));
+ }
+
clear_state = 0;
while (keep_running(td)) {
uint64_t verify_bytes;
fio_gettime(&td->start, NULL);
- memcpy(&td->bw_sample_time, &td->start, sizeof(td->start));
- memcpy(&td->iops_sample_time, &td->start, sizeof(td->start));
memcpy(&td->tv_cache, &td->start, sizeof(td->start));
- if (o->ratemin[DDIR_READ] || o->ratemin[DDIR_WRITE] ||
- o->ratemin[DDIR_TRIM]) {
- memcpy(&td->lastrate[DDIR_READ], &td->bw_sample_time,
- sizeof(td->bw_sample_time));
- memcpy(&td->lastrate[DDIR_WRITE], &td->bw_sample_time,
- sizeof(td->bw_sample_time));
- memcpy(&td->lastrate[DDIR_TRIM], &td->bw_sample_time,
- sizeof(td->bw_sample_time));
- }
-
if (clear_state)
- clear_io_state(td);
+ clear_io_state(td, 0);
prune_io_piece_log(td);
- verify_bytes = do_io(td);
+ if (td->o.verify_only && (td_write(td) || td_rw(td)))
+ verify_bytes = do_dry_run(td);
+ else
+ verify_bytes = do_io(td);
clear_state = 1;
- if (td_read(td) && td->io_bytes[DDIR_READ]) {
- elapsed = utime_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);
- td->ts.runtime[DDIR_WRITE] += elapsed;
- }
- if (td_trim(td) && td->io_bytes[DDIR_TRIM]) {
- elapsed = utime_since_now(&td->start);
- td->ts.runtime[DDIR_TRIM] += elapsed;
- }
+ /*
+ * Make sure we've successfully updated the rusage stats
+ * before waiting on the stat mutex. Otherwise we could have
+ * the stat thread holding stat mutex and waiting for
+ * the rusage_sem, which would never get upped because
+ * this thread is waiting for the stat mutex.
+ */
+ check_update_rusage(td);
+
+ fio_mutex_down(stat_mutex);
+ if (td_read(td) && td->io_bytes[DDIR_READ])
+ update_runtime(td, elapsed_us, DDIR_READ);
+ if (td_write(td) && td->io_bytes[DDIR_WRITE])
+ update_runtime(td, elapsed_us, DDIR_WRITE);
+ if (td_trim(td) && td->io_bytes[DDIR_TRIM])
+ update_runtime(td, elapsed_us, DDIR_TRIM);
+ fio_gettime(&td->start, NULL);
+ fio_mutex_up(stat_mutex);
if (td->error || td->terminate)
break;
(td->io_ops->flags & FIO_UNIDIR))
continue;
- clear_io_state(td);
+ clear_io_state(td, 0);
fio_gettime(&td->start, NULL);
do_verify(td, verify_bytes);
- td->ts.runtime[DDIR_READ] += utime_since_now(&td->start);
+ /*
+ * See comment further up for why this is done here.
+ */
+ check_update_rusage(td);
+
+ fio_mutex_down(stat_mutex);
+ update_runtime(td, elapsed_us, DDIR_READ);
+ 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)))
+ verify_save_state(td->thread_number);
+
fio_unpin_memory(td);
- fio_mutex_down(writeout_mutex);
- if (td->bw_log) {
- if (o->bw_log_file) {
- finish_log_named(td, td->bw_log,
- o->bw_log_file, "bw");
- } else
- finish_log(td, td->bw_log, "bw");
- }
- if (td->lat_log) {
- if (o->lat_log_file) {
- finish_log_named(td, td->lat_log,
- o->lat_log_file, "lat");
- } else
- finish_log(td, td->lat_log, "lat");
- }
- if (td->slat_log) {
- if (o->lat_log_file) {
- finish_log_named(td, td->slat_log,
- o->lat_log_file, "slat");
- } else
- finish_log(td, td->slat_log, "slat");
- }
- if (td->clat_log) {
- if (o->lat_log_file) {
- finish_log_named(td, td->clat_log,
- o->lat_log_file, "clat");
- } else
- finish_log(td, td->clat_log, "clat");
- }
- if (td->iops_log) {
- if (o->iops_log_file) {
- finish_log_named(td, td->iops_log,
- o->iops_log_file, "iops");
- } else
- finish_log(td, td->iops_log, "iops");
- }
+ fio_writeout_logs(td);
+
+ if (o->io_submit_mode == IO_MODE_OFFLOAD)
+ workqueue_exit(&td->io_wq);
+
+ if (td->flags & TD_F_COMPRESS_LOG)
+ tp_exit(&td->tp_data);
- fio_mutex_up(writeout_mutex);
if (o->exec_postrun)
- exec_string(o->exec_postrun);
+ exec_string(o, o->exec_postrun, (const char *)"postrun");
if (exitall_on_terminate)
fio_terminate_threads(td->groupid);
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;
}
struct thread_data *td;
void *data, *ret;
-#ifndef __hpux
+#if !defined(__hpux) && !defined(CONFIG_NO_SHM)
data = shmat(shmid, NULL, 0);
if (data == (void *) -1) {
int __err = errno;
return (int) (uintptr_t) ret;
}
+static void dump_td_info(struct thread_data *td)
+{
+ log_err("fio: job '%s' hasn't exited in %lu seconds, it appears to "
+ "be stuck. Doing forceful exit of this job.\n", td->o.name,
+ (unsigned long) time_since_now(&td->terminate_time));
+}
+
/*
* Run over the job map and reap the threads that have exited, if any.
*/
}
}
+ /*
+ * If the job is stuck, do a forceful timeout of it and
+ * move on.
+ */
+ if (td->terminate &&
+ time_since_now(&td->terminate_time) >= FIO_REAP_TIMEOUT) {
+ dump_td_info(td);
+ td_set_runstate(td, TD_REAPED);
+ goto reaped;
+ }
+
/*
* thread is not dead, continue
*/
fio_terminate_threads(TERMINATE_ALL);
}
+static bool __check_trigger_file(void)
+{
+ struct stat sb;
+
+ if (!trigger_file)
+ return false;
+
+ if (stat(trigger_file, &sb))
+ return false;
+
+ if (unlink(trigger_file) < 0)
+ log_err("fio: failed to unlink %s: %s\n", trigger_file,
+ strerror(errno));
+
+ return true;
+}
+
+static bool trigger_timedout(void)
+{
+ if (trigger_timeout)
+ return time_since_genesis() >= trigger_timeout;
+
+ return false;
+}
+
+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(IO_LIST_ALL);
+ 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;
+ int ver;
+
+ ret = fio_server_get_verify_state(td->o.name,
+ td->thread_number - 1, &data, &ver);
+ if (!ret)
+ verify_convert_assign_state(td, data, ver);
+ } 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);
}
+static bool check_mount_writes(struct thread_data *td)
+{
+ struct fio_file *f;
+ unsigned int i;
+
+ if (!td_write(td) || td->o.allow_mounted_write)
+ return false;
+
+ for_each_file(td, f, i) {
+ if (f->filetype != FIO_TYPE_BD)
+ continue;
+ if (device_is_mounted(f->file_name))
+ goto mounted;
+ }
+
+ return false;
+mounted:
+ log_err("fio: %s appears mounted, and 'allow_mounted_write' isn't set. Aborting.", f->file_name);
+ return true;
+}
+
/*
* Main function for kicking off and reaping jobs, as needed.
*/
static void run_threads(void)
{
struct thread_data *td;
- unsigned long spent;
unsigned int i, todo, nr_running, m_rate, t_rate, nr_started;
+ uint64_t spent;
if (fio_gtod_offload && fio_start_gtod_thread())
return;
-
+
fio_idle_prof_init();
set_sig_handlers();
nr_thread = nr_process = 0;
for_each_td(td, i) {
+ if (check_mount_writes(td))
+ return;
if (td->o.use_thread)
nr_thread++;
else
nr_process++;
}
- if (output_format == FIO_OUTPUT_NORMAL) {
+ if (output_format & FIO_OUTPUT_NORMAL) {
log_info("Starting ");
if (nr_thread)
log_info("%d thread%s", nr_thread,
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",
}
if (td->o.start_delay) {
- spent = mtime_since_genesis();
+ spent = utime_since_genesis();
- if (td->o.start_delay * 1000 > spent)
+ if (td->o.start_delay > spent)
continue;
}
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;
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ ts.tv_sec = tv.tv_sec + sec;
+ ts.tv_nsec = (tv.tv_usec * 1000) + nsec;
+
+ 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;
}
return 0;
if (write_bw_log) {
- setup_log(&agg_io_log[DDIR_READ], 0, IO_LOG_TYPE_BW);
- setup_log(&agg_io_log[DDIR_WRITE], 0, IO_LOG_TYPE_BW);
- setup_log(&agg_io_log[DDIR_TRIM], 0, IO_LOG_TYPE_BW);
+ struct log_params p = {
+ .log_type = IO_LOG_TYPE_BW,
+ };
+
+ setup_log(&agg_io_log[DDIR_READ], &p, "agg-read_bw.log");
+ setup_log(&agg_io_log[DDIR_WRITE], &p, "agg-write_bw.log");
+ setup_log(&agg_io_log[DDIR_TRIM], &p, "agg-trim_bw.log");
}
startup_mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
if (startup_mutex == NULL)
return 1;
- writeout_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
- if (writeout_mutex == NULL)
- 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();
+ __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");
- __finish_log(agg_io_log[DDIR_TRIM],
- "agg-write_bw.log");
+ for (i = 0; i < DDIR_RWDIR_CNT; i++) {
+ struct io_log *log = agg_io_log[i];
+
+ flush_log(log, 0);
+ free_log(log);
+ }
}
}
- 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(writeout_mutex);
- fio_mutex_remove(disk_thread_mutex);
stat_exit();
return exit_value;
}