* Copyright (C) 2005 Jens Axboe <axboe@suse.de>
* Copyright (C) 2006 Jens Axboe <axboe@kernel.dk>
*
+ * The license below covers all files distributed with fio unless otherwise
+ * noted in the file itself.
+ *
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
int thread_number = 0;
int shm_id = 0;
int temp_stall_ts;
-char *fio_inst_prefix = _INST_PREFIX;
-
-extern unsigned long long mlock_size;
-
-#define should_fsync(td) ((td_write(td) || td_rw(td)) && (!(td)->odirect || (td)->override_sync))
static volatile int startup_sem;
static void terminate_threads(int group_id)
{
+ struct thread_data *td;
int i;
- for (i = 0; i < thread_number; i++) {
- struct thread_data *td = &threads[i];
-
+ for_each_td(td, i) {
if (group_id == TERMINATE_ALL || groupid == td->groupid) {
td->terminate = 1;
td->start_delay = 0;
}
}
-/*
- * The ->file_map[] contains a map of blocks we have or have not done io
- * to yet. Used to make sure we cover the entire range in a fair fashion.
- */
-static int random_map_free(struct thread_data *td, struct fio_file *f,
- unsigned long long block)
-{
- unsigned int idx = RAND_MAP_IDX(td, f, block);
- unsigned int bit = RAND_MAP_BIT(td, f, block);
-
- return (f->file_map[idx] & (1UL << bit)) == 0;
-}
-
-/*
- * Return the next free block in the map.
- */
-static int get_next_free_block(struct thread_data *td, struct fio_file *f,
- unsigned long long *b)
-{
- int i;
-
- *b = 0;
- i = 0;
- while ((*b) * td->min_bs < f->file_size) {
- if (f->file_map[i] != -1UL) {
- *b += ffz(f->file_map[i]);
- return 0;
- }
-
- *b += BLOCKS_PER_MAP;
- i++;
- }
-
- return 1;
-}
-
-/*
- * Mark a given offset as used in the map.
- */
-static void mark_random_map(struct thread_data *td, struct fio_file *f,
- struct io_u *io_u)
-{
- unsigned long long block = io_u->offset / (unsigned long long) td->min_bs;
- unsigned int blocks = 0;
-
- while (blocks < (io_u->buflen / td->min_bs)) {
- unsigned int idx, bit;
-
- if (!random_map_free(td, f, block))
- break;
-
- idx = RAND_MAP_IDX(td, f, block);
- bit = RAND_MAP_BIT(td, f, block);
-
- assert(idx < f->num_maps);
-
- f->file_map[idx] |= (1UL << bit);
- block++;
- blocks++;
- }
-
- if ((blocks * td->min_bs) < io_u->buflen)
- io_u->buflen = blocks * td->min_bs;
-}
-
-/*
- * For random io, generate a random new block and see if it's used. Repeat
- * until we find a free one. For sequential io, just return the end of
- * the last io issued.
- */
-static int get_next_offset(struct thread_data *td, struct fio_file *f,
- unsigned long long *offset)
-{
- unsigned long long b, rb;
- long r;
-
- if (!td->sequential) {
- unsigned long long max_blocks = td->io_size / td->min_bs;
- int loops = 50;
-
- do {
- r = os_random_long(&td->random_state);
- b = ((max_blocks - 1) * r / (unsigned long long) (RAND_MAX+1.0));
- rb = b + (f->file_offset / td->min_bs);
- loops--;
- } while (!random_map_free(td, f, rb) && loops);
-
- if (!loops) {
- if (get_next_free_block(td, f, &b))
- return 1;
- }
- } else
- b = f->last_pos / td->min_bs;
-
- *offset = (b * td->min_bs) + f->file_offset;
- if (*offset > f->file_size)
- return 1;
-
- return 0;
-}
-
-static unsigned int get_next_buflen(struct thread_data *td)
-{
- unsigned int buflen;
- long r;
-
- if (td->min_bs == td->max_bs)
- buflen = td->min_bs;
- else {
- r = os_random_long(&td->bsrange_state);
- buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0));
- buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1);
- }
-
- if (buflen > td->io_size - td->this_io_bytes[td->ddir]) {
- /*
- * if using direct/raw io, we may not be able to
- * shrink the size. so just fail it.
- */
- if (td->io_ops->flags & FIO_RAWIO)
- return 0;
-
- buflen = td->io_size - td->this_io_bytes[td->ddir];
- }
-
- return buflen;
-}
-
/*
* Check if we are above the minimum rate given.
*/
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);
- if (rate_quit)
- terminate_threads(td->groupid);
+ fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate);
return 1;
}
}
return 0;
}
-/*
- * Return the data direction for the next io_u. If the job is a
- * mixed read/write workload, check the rwmix cycle and switch if
- * necessary.
- */
-static int get_rw_ddir(struct thread_data *td)
-{
- if (td_rw(td)) {
- struct timeval now;
- unsigned long elapsed;
-
- gettimeofday(&now, NULL);
- elapsed = mtime_since_now(&td->rwmix_switch);
-
- /*
- * Check if it's time to seed a new data direction.
- */
- if (elapsed >= td->rwmixcycle) {
- int v;
- long r;
-
- r = os_random_long(&td->rwmix_state);
- v = 1 + (int) (100.0 * (r / (RAND_MAX + 1.0)));
- if (v < td->rwmixread)
- td->rwmix_ddir = DDIR_READ;
- else
- td->rwmix_ddir = DDIR_WRITE;
- memcpy(&td->rwmix_switch, &now, sizeof(now));
- }
- return td->rwmix_ddir;
- } else if (td_read(td))
- return DDIR_READ;
- else
- return DDIR_WRITE;
-}
-
-static int td_io_prep(struct thread_data *td, struct io_u *io_u)
-{
- if (td->io_ops->prep && td->io_ops->prep(td, io_u))
- return 1;
-
- return 0;
-}
-
-void put_io_u(struct thread_data *td, struct io_u *io_u)
-{
- io_u->file = NULL;
- list_del(&io_u->list);
- list_add(&io_u->list, &td->io_u_freelist);
- td->cur_depth--;
-}
-
-static int fill_io_u(struct thread_data *td, struct fio_file *f,
- struct io_u *io_u)
-{
- /*
- * If using an iolog, grab next piece if any available.
- */
- if (td->read_iolog)
- return read_iolog_get(td, io_u);
-
- /*
- * No log, let the seq/rand engine retrieve the next position.
- */
- if (!get_next_offset(td, f, &io_u->offset)) {
- io_u->buflen = get_next_buflen(td);
-
- if (io_u->buflen) {
- io_u->ddir = get_rw_ddir(td);
-
- /*
- * If using a write iolog, store this entry.
- */
- if (td->write_iolog)
- write_iolog_put(td, io_u);
-
- io_u->file = f;
- return 0;
- }
- }
-
- return 1;
-}
-
-#define queue_full(td) list_empty(&(td)->io_u_freelist)
-
-struct io_u *__get_io_u(struct thread_data *td)
-{
- struct io_u *io_u = NULL;
-
- if (!queue_full(td)) {
- io_u = list_entry(td->io_u_freelist.next, struct io_u, list);
-
- io_u->error = 0;
- io_u->resid = 0;
- list_del(&io_u->list);
- list_add(&io_u->list, &td->io_u_busylist);
- td->cur_depth++;
- }
-
- return io_u;
-}
-
-/*
- * Return an io_u to be processed. Gets a buflen and offset, sets direction,
- * etc. The returned io_u is fully ready to be prepped and submitted.
- */
-static struct io_u *get_io_u(struct thread_data *td, struct fio_file *f)
-{
- struct io_u *io_u;
-
- io_u = __get_io_u(td);
- if (!io_u)
- return NULL;
-
- if (td->zone_bytes >= td->zone_size) {
- td->zone_bytes = 0;
- f->last_pos += td->zone_skip;
- }
-
- if (fill_io_u(td, f, io_u)) {
- put_io_u(td, io_u);
- return NULL;
- }
-
- if (io_u->buflen + io_u->offset > f->file_size) {
- if (td->io_ops->flags & FIO_RAWIO) {
- put_io_u(td, io_u);
- return NULL;
- }
-
- io_u->buflen = f->file_size - io_u->offset;
- }
-
- if (!io_u->buflen) {
- put_io_u(td, io_u);
- return NULL;
- }
-
- if (!td->read_iolog && !td->sequential)
- mark_random_map(td, f, io_u);
-
- f->last_pos += io_u->buflen;
-
- if (td->verify != VERIFY_NONE)
- populate_verify_io_u(td, io_u);
-
- if (td_io_prep(td, io_u)) {
- put_io_u(td, io_u);
- return NULL;
- }
-
- gettimeofday(&io_u->start_time, NULL);
- return io_u;
-}
-
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)
{
- int old_next_file = td->next_file;
+ unsigned int old_next_file = td->next_file;
struct fio_file *f;
do {
return f;
}
-static int td_io_sync(struct thread_data *td, struct fio_file *f)
-{
- if (td->io_ops->sync)
- return td->io_ops->sync(td, f);
-
- return 0;
-}
-
-static int td_io_getevents(struct thread_data *td, int min, int max,
- struct timespec *t)
-{
- return td->io_ops->getevents(td, min, max, t);
-}
-
-static int td_io_queue(struct thread_data *td, struct io_u *io_u)
-{
- gettimeofday(&io_u->issue_time, NULL);
-
- return td->io_ops->queue(td, io_u);
-}
-
-#define iocb_time(iocb) ((unsigned long) (iocb)->data)
-
-static void io_completed(struct thread_data *td, struct io_u *io_u,
- struct io_completion_data *icd)
-{
- struct timeval e;
- unsigned long msec;
-
- gettimeofday(&e, NULL);
-
- if (!io_u->error) {
- unsigned int bytes = io_u->buflen - io_u->resid;
- const int idx = io_u->ddir;
-
- td->io_blocks[idx]++;
- td->io_bytes[idx] += bytes;
- td->zone_bytes += bytes;
- td->this_io_bytes[idx] += bytes;
-
- msec = mtime_since(&io_u->issue_time, &e);
-
- add_clat_sample(td, idx, msec);
- add_bw_sample(td, idx);
-
- if ((td_rw(td) || td_write(td)) && idx == DDIR_WRITE)
- log_io_piece(td, io_u);
-
- icd->bytes_done[idx] += bytes;
- } else
- icd->error = io_u->error;
-}
-
-static void ios_completed(struct thread_data *td,struct io_completion_data *icd)
-{
- struct io_u *io_u;
- int i;
-
- icd->error = 0;
- icd->bytes_done[0] = icd->bytes_done[1] = 0;
-
- for (i = 0; i < icd->nr; i++) {
- io_u = td->io_ops->event(td, i);
-
- io_completed(td, io_u, icd);
- put_io_u(td, io_u);
- }
-}
-
/*
* When job exits, we can cancel the in-flight IO if we are using async
* io. Attempt to do so.
}
}
-static int do_io_u_verify(struct thread_data *td, struct io_u **io_u)
+/*
+ * 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)
{
- struct io_u *v_io_u = *io_u;
- int ret = 0;
+ struct io_u *io_u = __get_io_u(td);
+ struct io_completion_data icd;
+ int ret;
+
+ if (!io_u)
+ return 1;
+
+ io_u->ddir = DDIR_SYNC;
+ io_u->file = f;
+
+ if (td_io_prep(td, io_u)) {
+ put_io_u(td, io_u);
+ return 1;
+ }
+
+ ret = td_io_queue(td, io_u);
+ if (ret) {
+ td_verror(td, io_u->error);
+ put_io_u(td, io_u);
+ return 1;
+ }
- if (v_io_u) {
- ret = verify_io_u(v_io_u);
- put_io_u(td, v_io_u);
- *io_u = NULL;
+ ret = td_io_getevents(td, 1, td->cur_depth, NULL);
+ if (ret < 0) {
+ td_verror(td, ret);
+ return 1;
+ }
+
+ icd.nr = ret;
+ ios_completed(td, &icd);
+ if (icd.error) {
+ td_verror(td, icd.error);
+ return 1;
}
- return ret;
+ return 0;
}
/*
*/
static void do_verify(struct thread_data *td)
{
- struct timeval t;
struct io_u *io_u, *v_io_u = NULL;
struct io_completion_data icd;
struct fio_file *f;
- int ret;
+ int ret, i;
+
+ /*
+ * sync io first and invalidate cache, to make sure we really
+ * read from disk.
+ */
+ for_each_file(td, f, i) {
+ fio_io_sync(td, f);
+ file_invalidate_cache(td, f);
+ }
td_set_runstate(td, TD_VERIFYING);
if (td->terminate)
break;
- gettimeofday(&t, NULL);
- if (runtime_exceeded(td, &t))
- break;
-
io_u = __get_io_u(td);
if (!io_u)
break;
+ if (runtime_exceeded(td, &io_u->start_time)) {
+ put_io_u(td, io_u);
+ break;
+ }
+
if (get_next_verify(td, io_u)) {
put_io_u(td, io_u);
break;
ret = td_io_queue(td, io_u);
if (ret) {
+ td_verror(td, io_u->error);
put_io_u(td, io_u);
- td_verror(td, ret);
break;
}
v_io_u = td->io_ops->event(td, 0);
icd.nr = 1;
icd.error = 0;
+ fio_gettime(&icd.time, NULL);
io_completed(td, v_io_u, &icd);
if (icd.error) {
int i = 0;
while (!td->terminate) {
- gettimeofday(&e, NULL);
+ fio_gettime(&e, NULL);
if (runtime_exceeded(td, &e))
break;
static void do_io(struct thread_data *td)
{
struct io_completion_data icd;
- struct timeval s, e;
+ struct timeval s;
unsigned long usec;
struct fio_file *f;
- int i;
+ int i, ret = 0;
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};
struct timespec *timeout;
- int ret, min_evts = 0;
+ int min_evts = 0;
struct io_u *io_u;
if (td->terminate)
ret = td_io_queue(td, io_u);
if (ret) {
+ td_verror(td, io_u->error);
put_io_u(td, io_u);
- td_verror(td, ret);
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 {
* of completions except the very first one which may look
* a little bursty
*/
- gettimeofday(&e, NULL);
- usec = utime_since(&s, &e);
+ usec = utime_since(&s, &icd.time);
- rate_throttle(td, usec, icd.bytes_done[td->ddir]);
+ rate_throttle(td, usec, icd.bytes_done[td->ddir], td->ddir);
- if (check_min_rate(td, &e)) {
+ if (check_min_rate(td, &icd.time)) {
+ if (exitall_on_terminate)
+ terminate_threads(td->groupid);
td_verror(td, ENOMEM);
break;
}
- if (runtime_exceeded(td, &e))
+ if (runtime_exceeded(td, &icd.time))
break;
- if (td->thinktime)
- usec_sleep(td, td->thinktime);
+ if (td->thinktime) {
+ unsigned long long b;
- if (should_fsync(td) && td->fsync_blocks &&
- (td->io_blocks[DDIR_WRITE] % td->fsync_blocks) == 0)
- td_io_sync(td, f);
+ b = td->io_blocks[0] + td->io_blocks[1];
+ if (!(b % td->thinktime_blocks))
+ usec_sleep(td, td->thinktime);
+ }
}
- if (td->cur_depth)
- cleanup_pending_aio(td);
+ if (!td->error) {
+ if (td->cur_depth)
+ cleanup_pending_aio(td);
- if (should_fsync(td) && td->end_fsync) {
- td_set_runstate(td, TD_FSYNCING);
- for_each_file(td, f, i)
- td_io_sync(td, f);
+ if (should_fsync(td) && td->end_fsync) {
+ td_set_runstate(td, TD_FSYNCING);
+ for_each_file(td, f, i)
+ fio_io_sync(td, f);
+ }
}
}
-static int td_io_init(struct thread_data *td)
-{
- if (td->io_ops->init)
- return td->io_ops->init(td);
-
- return 0;
-}
-
static void cleanup_io_u(struct thread_data *td)
{
struct list_head *entry, *n;
free(io_u);
}
- if (td->mem_type == MEM_MALLOC)
- free(td->orig_buffer);
- else if (td->mem_type == MEM_SHM) {
- struct shmid_ds sbuf;
+ free_io_mem(td);
+}
- shmdt(td->orig_buffer);
- shmctl(td->shm_id, IPC_RMID, &sbuf);
- } else if (td->mem_type == MEM_MMAP)
- munmap(td->orig_buffer, td->orig_buffer_size);
- else
- log_err("Bad memory type %d\n", td->mem_type);
+/*
+ * "randomly" fill the buffer contents
+ */
+static void fill_rand_buf(struct io_u *io_u, int max_bs)
+{
+ int *ptr = io_u->buf;
- td->orig_buffer = NULL;
+ while ((void *) ptr - io_u->buf < max_bs) {
+ *ptr = rand() * 0x9e370001;
+ ptr++;
+ }
}
static int init_io_u(struct thread_data *td)
{
struct io_u *io_u;
+ unsigned int max_bs;
int i, max_units;
char *p;
else
max_units = td->iodepth;
- td->orig_buffer_size = td->max_bs * max_units + MASK;
+ max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]);
+ td->orig_buffer_size = max_bs * max_units;
- if (td->mem_type == MEM_MALLOC)
- td->orig_buffer = malloc(td->orig_buffer_size);
- else if (td->mem_type == MEM_SHM) {
- td->shm_id = shmget(IPC_PRIVATE, td->orig_buffer_size, IPC_CREAT | 0600);
- if (td->shm_id < 0) {
- td_verror(td, errno);
- perror("shmget");
- return 1;
- }
+ 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 += MASK;
- td->orig_buffer = shmat(td->shm_id, NULL, 0);
- if (td->orig_buffer == (void *) -1) {
- td_verror(td, errno);
- perror("shmat");
- td->orig_buffer = NULL;
- return 1;
- }
- } else if (td->mem_type == MEM_MMAP) {
- td->orig_buffer = mmap(NULL, td->orig_buffer_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | OS_MAP_ANON, 0, 0);
- if (td->orig_buffer == MAP_FAILED) {
- td_verror(td, errno);
- perror("mmap");
- td->orig_buffer = NULL;
- return 1;
- }
- }
+ if (allocate_io_mem(td))
+ return 1;
p = ALIGN(td->orig_buffer);
for (i = 0; i < max_units; i++) {
memset(io_u, 0, sizeof(*io_u));
INIT_LIST_HEAD(&io_u->list);
- io_u->buf = p + td->max_bs * i;
+ io_u->buf = p + max_bs * i;
+ if (td_write(td) || td_rw(td))
+ fill_rand_buf(io_u, max_bs);
+
io_u->index = i;
list_add(&io_u->list, &td->io_u_freelist);
}
FILE *f;
int ret;
+ if (td->io_ops->flags & FIO_CPUIO)
+ return 0;
+
sprintf(tmp, "%s/queue/scheduler", td->sysfs_root);
f = fopen(tmp, "r+");
*/
static void *thread_main(void *data)
{
+ unsigned long long runtime[2];
struct thread_data *td = data;
if (!td->use_thread)
if (!td->create_serialize && setup_files(td))
goto err;
-
- gettimeofday(&td->epoch, NULL);
+ if (open_files(td))
+ goto err;
if (td->exec_prerun)
system(td->exec_prerun);
+ 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);
- gettimeofday(&td->start, NULL);
+ fio_gettime(&td->start, NULL);
memcpy(&td->stat_sample_time, &td->start, sizeof(td->start));
if (td->ratemin)
else
do_io(td);
- td->runtime[td->ddir] += mtime_since_now(&td->start);
+ runtime[td->ddir] += utime_since_now(&td->start);
if (td_rw(td) && td->io_bytes[td->ddir ^ 1])
- td->runtime[td->ddir ^ 1] = td->runtime[td->ddir];
-
- update_rusage_stat(td);
+ runtime[td->ddir ^ 1] = runtime[td->ddir];
if (td->error || td->terminate)
break;
continue;
clear_io_state(td);
- gettimeofday(&td->start, NULL);
+ fio_gettime(&td->start, NULL);
do_verify(td);
- td->runtime[DDIR_READ] += mtime_since_now(&td->start);
+ runtime[DDIR_READ] += utime_since_now(&td->start);
if (td->error || td->terminate)
break;
}
+ update_rusage_stat(td);
+ fio_gettime(&td->end_time, NULL);
+ td->runtime[0] = runtime[0] / 1000;
+ td->runtime[1] = runtime[1] / 1000;
+
if (td->bw_log)
finish_log(td, td->bw_log, "bw");
if (td->slat_log)
finish_log(td, td->slat_log, "slat");
if (td->clat_log)
finish_log(td, td->clat_log, "clat");
- if (td->write_iolog)
+ if (td->write_iolog_file)
write_iolog_close(td);
if (td->exec_postrun)
system(td->exec_postrun);
*/
static void reap_threads(int *nr_running, int *t_rate, int *m_rate)
{
- int i, cputhreads;
+ struct thread_data *td;
+ int i, cputhreads, pending;
/*
* reap exited threads (TD_EXITED -> TD_REAPED)
*/
- for (i = 0, cputhreads = 0; i < thread_number; i++) {
- struct thread_data *td = &threads[i];
-
- if (td->io_ops->flags & FIO_CPUIO)
+ pending = cputhreads = 0;
+ for_each_td(td, i) {
+ /*
+ * ->io_ops is NULL for a thread that has closed its
+ * io engine
+ */
+ if (td->io_ops && td->io_ops->flags & FIO_CPUIO)
cputhreads++;
- if (td->runstate != TD_EXITED)
+ if (td->runstate != TD_EXITED) {
+ if (td->runstate < TD_RUNNING)
+ pending++;
+
continue;
+ }
td_set_runstate(td, TD_REAPED);
(*t_rate) -= td->rate;
}
- if (*nr_running == cputhreads)
+ if (*nr_running == cputhreads && !pending)
terminate_threads(TERMINATE_ALL);
}
-static void fio_unpin_memory(void *pinned)
-{
- if (pinned) {
- if (munlock(pinned, mlock_size) < 0)
- perror("munlock");
- munmap(pinned, mlock_size);
- }
-}
-
-static void *fio_pin_memory(void)
-{
- unsigned long long phys_mem;
- void *ptr;
-
- if (!mlock_size)
- return NULL;
-
- /*
- * Don't allow mlock of more than real_mem-128MB
- */
- phys_mem = os_phys_mem();
- if (phys_mem) {
- if ((mlock_size + 128 * 1024 * 1024) > phys_mem) {
- mlock_size = phys_mem - 128 * 1024 * 1024;
- fprintf(f_out, "fio: limiting mlocked memory to %lluMiB\n", mlock_size >> 20);
- }
- }
-
- ptr = mmap(NULL, mlock_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | OS_MAP_ANON, 0, 0);
- if (!ptr) {
- perror("malloc locked mem");
- return NULL;
- }
- if (mlock(ptr, mlock_size) < 0) {
- munmap(ptr, mlock_size);
- perror("mlock");
- return NULL;
- }
-
- return ptr;
-}
-
/*
* Main function for kicking off and reaping jobs, as needed.
*/
struct thread_data *td;
unsigned long spent;
int i, todo, nr_running, m_rate, t_rate, nr_started;
- void *mlocked_mem;
- mlocked_mem = fio_pin_memory();
+ if (fio_pin_memory())
+ return;
if (!terse_output) {
printf("Starting %d thread%s\n", thread_number, thread_number > 1 ? "s" : "");
nr_started = 0;
m_rate = t_rate = 0;
- for (i = 0; i < thread_number; i++) {
- td = &threads[i];
-
+ for_each_td(td, i) {
print_status_init(td->thread_number - 1);
init_disk_util(td);
}
}
- time_init();
-
while (todo) {
struct thread_data *map[MAX_JOBS];
struct timeval this_start;
/*
* create threads (TD_NOT_CREATED -> TD_CREATED)
*/
- for (i = 0; i < thread_number; i++) {
- td = &threads[i];
-
+ for_each_td(td, i) {
if (td->runstate != TD_NOT_CREATED)
continue;
* Wait for the started threads to transition to
* TD_INITIALIZED.
*/
- gettimeofday(&this_start, NULL);
+ fio_gettime(&this_start, NULL);
left = this_jobs;
while (left) {
if (mtime_since_now(&this_start) > JOB_START_TIMEOUT)
/*
* start created threads (TD_INITIALIZED -> TD_RUNNING).
*/
- for (i = 0; i < thread_number; i++) {
- td = &threads[i];
-
+ for_each_td(td, i) {
if (td->runstate != TD_INITIALIZED)
continue;
}
update_io_ticks();
- fio_unpin_memory(mlocked_mem);
+ fio_unpin_memory();
}
int main(int argc, char *argv[])
projects / fio.git / blobdiff