#include <unistd.h>
#include <fcntl.h>
#include <string.h>
+#include <limits.h>
#include <signal.h>
#include <time.h>
#include <locale.h>
#include <assert.h>
+#include <time.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/ipc.h>
#include "hash.h"
#include "smalloc.h"
#include "verify.h"
+#include "trim.h"
#include "diskutil.h"
#include "cgroup.h"
#include "profile.h"
+#include "lib/rand.h"
+#include "memalign.h"
+#include "server.h"
unsigned long page_mask;
unsigned long page_size;
static struct fio_mutex *writeout_mutex;
static volatile int fio_abort;
static int exit_value;
-static struct itimerval itimer;
static pthread_t gtod_thread;
+static pthread_t disk_util_thread;
static struct flist_head *cgroup_list;
static char *cgroup_mnt;
+unsigned long arch_flags = 0;
+
struct io_log *agg_io_log[2];
#define TERMINATE_ALL (-1)
/*
* if the thread is running, just let it exit
*/
- if (td->runstate < TD_RUNNING)
- kill(td->pid, SIGQUIT);
+ if (!td->pid)
+ continue;
+ else if (td->runstate < TD_RAMP)
+ kill(td->pid, SIGTERM);
else {
struct ioengine_ops *ops = td->io_ops;
- if (ops && (ops->flags & FIO_SIGQUIT))
- kill(td->pid, SIGQUIT);
+ if (ops && (ops->flags & FIO_SIGTERM))
+ kill(td->pid, SIGTERM);
}
}
}
}
-static void status_timer_arm(void)
+static void sig_int(int sig)
{
- itimer.it_value.tv_sec = 0;
- itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000;
- setitimer(ITIMER_REAL, &itimer, NULL);
+ if (threads) {
+ log_info("\nfio: terminating on signal %d\n", sig);
+ exit_backend = 1;
+ fflush(stdout);
+ exit_value = 128;
+ terminate_threads(TERMINATE_ALL);
+ }
}
-static void sig_alrm(int fio_unused sig)
+static void *disk_thread_main(void *data)
{
- if (threads) {
+ fio_mutex_up(startup_mutex);
+
+ while (threads) {
+ usleep(DISK_UTIL_MSEC * 1000);
+ if (!threads)
+ break;
update_io_ticks();
print_thread_status();
- status_timer_arm();
}
-}
-/*
- * Happens on thread runs with ctrl-c, ignore our own SIGQUIT
- */
-static void sig_quit(int sig)
-{
+ return NULL;
}
-static void sig_int(int sig)
+static int create_disk_util_thread(void)
{
- if (threads) {
- log_info("\nfio: terminating on signal %d\n", sig);
- fflush(stdout);
- terminate_threads(TERMINATE_ALL);
+ int ret;
+
+ ret = pthread_create(&disk_util_thread, NULL, disk_thread_main, NULL);
+ if (ret) {
+ log_err("Can't create disk util thread: %s\n", strerror(ret));
+ return 1;
}
-}
-static void sig_ill(int fio_unused sig)
-{
- if (!threads)
- return;
+ ret = pthread_detach(disk_util_thread);
+ if (ret) {
+ log_err("Can't detatch disk util thread: %s\n", strerror(ret));
+ return 1;
+ }
- log_err("fio: illegal instruction. your cpu does not support "
- "the sse4.2 instruction for crc32c\n");
- terminate_threads(TERMINATE_ALL);
- exit(4);
+ dprint(FD_MUTEX, "wait on startup_mutex\n");
+ fio_mutex_down(startup_mutex);
+ dprint(FD_MUTEX, "done waiting on startup_mutex\n");
+ return 0;
}
static void set_sig_handlers(void)
{
struct sigaction act;
- memset(&act, 0, sizeof(act));
- act.sa_handler = sig_alrm;
- act.sa_flags = SA_RESTART;
- sigaction(SIGALRM, &act, NULL);
-
memset(&act, 0, sizeof(act));
act.sa_handler = sig_int;
act.sa_flags = SA_RESTART;
sigaction(SIGINT, &act, NULL);
memset(&act, 0, sizeof(act));
- act.sa_handler = sig_ill;
- act.sa_flags = SA_RESTART;
- sigaction(SIGILL, &act, NULL);
-
- memset(&act, 0, sizeof(act));
- act.sa_handler = sig_quit;
+ act.sa_handler = sig_int;
act.sa_flags = SA_RESTART;
- sigaction(SIGQUIT, &act, NULL);
+ sigaction(SIGTERM, &act, NULL);
}
/*
* Check if we are above the minimum rate given.
*/
static int __check_min_rate(struct thread_data *td, struct timeval *now,
- enum td_ddir ddir)
+ enum fio_ddir ddir)
{
unsigned long long bytes = 0;
unsigned long iops = 0;
unsigned int rate_iops = 0;
unsigned int rate_iops_min = 0;
+ assert(ddir_rw(ddir));
+
if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir])
return 0;
return 0;
}
+static inline void __update_tv_cache(struct thread_data *td)
+{
+ fio_gettime(&td->tv_cache, NULL);
+}
+
static inline void update_tv_cache(struct thread_data *td)
{
if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask)
- fio_gettime(&td->tv_cache, NULL);
+ __update_tv_cache(td);
}
static int break_on_this_error(struct thread_data *td, int *retptr)
update_tv_cache(td);
if (runtime_exceeded(td, &td->tv_cache)) {
- td->terminate = 1;
- break;
+ __update_tv_cache(td);
+ if (runtime_exceeded(td, &td->tv_cache)) {
+ td->terminate = 1;
+ break;
+ }
}
io_u = __get_io_u(td);
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
io_u->xfer_buf += bytes;
io_u->offset += bytes;
- td->ts.short_io_u[io_u->ddir]++;
+ 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;
/*
* if we can queue more, do so. but check if there are
- * completed io_u's first.
+ * completed io_u's first. Note that we can get BUSY even
+ * without IO queued, if the system is resource starved.
*/
- full = queue_full(td) || ret == FIO_Q_BUSY;
+ 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 (full && !min_events)
+ if (full && !min_events && td->o.iodepth_batch_complete != 0)
min_events = 1;
do {
td_set_runstate(td, TD_RUNNING);
while ( (td->o.read_iolog_file && !flist_empty(&td->io_log_list)) ||
+ (!flist_empty(&td->trim_list)) ||
((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) ) {
struct timeval comp_time;
unsigned long bytes_done[2] = { 0, 0 };
update_tv_cache(td);
if (runtime_exceeded(td, &td->tv_cache)) {
- td->terminate = 1;
- break;
+ __update_tv_cache(td);
+ if (runtime_exceeded(td, &td->tv_cache)) {
+ td->terminate = 1;
+ break;
+ }
}
io_u = get_io_u(td);
io_u->xfer_buf += bytes;
io_u->offset += bytes;
- td->ts.short_io_u[io_u->ddir]++;
+ if (ddir_rw(io_u->ddir))
+ td->ts.short_io_u[io_u->ddir]++;
if (io_u->offset == f->real_file_size)
goto sync_done;
break;
/*
- * See if we need to complete some commands
+ * 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;
+ 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 (full && !min_evts)
+ if (full && !min_evts && td->o.iodepth_batch_complete != 0)
min_evts = 1;
if (__should_check_rate(td, 0) ||
}
}
+ if (td->trim_entries)
+ printf("trim entries %ld\n", td->trim_entries);
+
if (td->o.fill_device && td->error == ENOSPC) {
td->error = 0;
td->terminate = 1;
struct fio_file *f;
i = td->cur_depth;
- if (i)
+ if (i) {
ret = io_u_queued_complete(td, i, NULL);
+ if (td->o.fill_device && td->error == ENOSPC)
+ td->error = 0;
+ }
if (should_fsync(td) && td->o.end_fsync) {
td_set_runstate(td, TD_FSYNCING);
io_u = flist_entry(entry, struct io_u, list);
flist_del(&io_u->list);
- free(io_u);
+ fio_memfree(io_u, sizeof(*io_u));
}
free_io_mem(td);
if (allocate_io_mem(td))
return 1;
- if (td->o.odirect || td->o.mem_align)
+ if (td->o.odirect || td->o.mem_align ||
+ (td->io_ops->flags & FIO_RAWIO))
p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align;
else
p = td->orig_buffer;
if (td->terminate)
return 1;
- if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) {
- log_err("fio: posix_memalign=%s\n", strerror(errno));
+ ptr = fio_memalign(cl_align, sizeof(*io_u));
+ if (!ptr) {
+ log_err("fio: unable to allocate aligned memory\n");
break;
}
io_u->buf = p + max_bs * i;
dprint(FD_MEM, "io_u %p, mem %p\n", io_u, io_u->buf);
- if (td_write(td) && !td->o.refill_buffers)
+ if (td_write(td))
io_u_fill_buffer(td, io_u, max_bs);
+ if (td_write(td) && td->o.verify_pattern_bytes) {
+ /*
+ * 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);
+ }
}
io_u->index = i;
*/
if (td->o.time_based || td->o.loops)
td->nr_done_files = 0;
-
- /*
- * Set the same seed to get repeatable runs
- */
- td_fill_rand_seeds(td);
}
void reset_all_stats(struct thread_data *td)
td->io_issues[i] = 0;
td->ts.total_io_u[i] = 0;
}
-
+
fio_gettime(&tv, NULL);
+ td->ts.runtime[0] = 0;
+ td->ts.runtime[1] = 0;
memcpy(&td->epoch, &tv, sizeof(tv));
memcpy(&td->start, &tv, sizeof(tv));
}
close_files(td);
for_each_file(td, f, i)
fio_file_clear_done(f);
+
+ /*
+ * Set the same seed to get repeatable runs
+ */
+ td_fill_rand_seeds(td);
}
static int exec_string(const char *string)
*/
static void *thread_main(void *data)
{
- unsigned long long runtime[2], elapsed;
+ unsigned long long elapsed;
struct thread_data *td = data;
pthread_condattr_t attr;
int clear_state;
- if (!td->o.use_thread)
+ if (!td->o.use_thread) {
setsid();
-
- td->pid = getpid();
+ td->pid = getpid();
+ } else
+ td->pid = gettid();
dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid);
INIT_FLIST_HEAD(&td->io_log_list);
INIT_FLIST_HEAD(&td->io_hist_list);
INIT_FLIST_HEAD(&td->verify_list);
+ INIT_FLIST_HEAD(&td->trim_list);
pthread_mutex_init(&td->io_u_lock, NULL);
td->io_hist_tree = RB_ROOT;
*/
fio_mutex_remove(td->mutex);
+ /*
+ * A new gid requires privilege, so we need to do this before setting
+ * the uid.
+ */
+ if (td->o.gid != -1U && setgid(td->o.gid)) {
+ td_verror(td, errno, "setgid");
+ goto err;
+ }
if (td->o.uid != -1U && setuid(td->o.uid)) {
td_verror(td, errno, "setuid");
goto err;
}
- if (td->o.gid != -1U && setgid(td->o.gid)) {
- td_verror(td, errno, "setgid");
+
+ /*
+ * If we have a gettimeofday() thread, make sure we exclude that
+ * thread from this job
+ */
+ if (td->o.gtod_cpu)
+ fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu);
+
+ /*
+ * Set affinity first, in case it has an impact on the memory
+ * allocations.
+ */
+ if (td->o.cpumask_set && fio_setaffinity(td->pid, td->o.cpumask) == -1) {
+ td_verror(td, errno, "cpu_set_affinity");
goto err;
}
if (td->o.verify_async && verify_async_init(td))
goto err;
- if (td->o.cpumask_set && fio_setaffinity(td->pid, td->o.cpumask) == -1) {
- td_verror(td, errno, "cpu_set_affinity");
- goto err;
- }
-
- /*
- * If we have a gettimeofday() thread, make sure we exclude that
- * thread from this job
- */
- if (td->o.gtod_cpu) {
- fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu);
- if (fio_setaffinity(td->pid, td->o.cpumask) == -1) {
- td_verror(td, errno, "cpu_set_affinity");
- goto err;
- }
- }
-
if (td->ioprio_set) {
if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) {
td_verror(td, errno, "ioprio_set");
fio_gettime(&td->epoch, NULL);
getrusage(RUSAGE_SELF, &td->ts.ru_start);
- runtime[0] = runtime[1] = 0;
clear_state = 0;
while (keep_running(td)) {
fio_gettime(&td->start, NULL);
if (td_read(td) && td->io_bytes[DDIR_READ]) {
elapsed = utime_since_now(&td->start);
- runtime[DDIR_READ] += elapsed;
+ td->ts.runtime[DDIR_READ] += elapsed;
}
if (td_write(td) && td->io_bytes[DDIR_WRITE]) {
elapsed = utime_since_now(&td->start);
- runtime[DDIR_WRITE] += elapsed;
+ td->ts.runtime[DDIR_WRITE] += elapsed;
}
if (td->error || td->terminate)
do_verify(td);
- runtime[DDIR_READ] += utime_since_now(&td->start);
+ td->ts.runtime[DDIR_READ] += utime_since_now(&td->start);
if (td->error || td->terminate)
break;
}
update_rusage_stat(td);
- td->ts.runtime[0] = (runtime[0] + 999) / 1000;
- td->ts.runtime[1] = (runtime[1] + 999) / 1000;
+ td->ts.runtime[0] = (td->ts.runtime[0] + 999) / 1000;
+ td->ts.runtime[1] = (td->ts.runtime[1] + 999) / 1000;
td->ts.total_run_time = mtime_since_now(&td->epoch);
td->ts.io_bytes[0] = td->io_bytes[0];
td->ts.io_bytes[1] = td->io_bytes[1];
} else
finish_log(td, td->ts.bw_log, "bw");
}
+ if (td->ts.lat_log) {
+ if (td->o.lat_log_file) {
+ finish_log_named(td, td->ts.lat_log,
+ td->o.lat_log_file, "lat");
+ } else
+ finish_log(td, td->ts.lat_log, "lat");
+ }
if (td->ts.slat_log) {
if (td->o.lat_log_file) {
finish_log_named(td, td->ts.slat_log,
struct thread_data *td;
void *data, *ret;
+#ifndef __hpux
data = shmat(shmid, NULL, 0);
if (data == (void *) -1) {
int __err = errno;
perror("shmat");
return __err;
}
+#else
+ /*
+ * HP-UX inherits shm mappings?
+ */
+ data = threads;
+#endif
td = data + offset * sizeof(struct thread_data);
ret = thread_main(td);
if (WIFSIGNALED(status)) {
int sig = WTERMSIG(status);
- if (sig != SIGQUIT)
+ if (sig != SIGTERM)
log_err("fio: pid=%d, got signal=%d\n",
(int) td->pid, sig);
td_set_runstate(td, TD_REAPED);
static int fio_start_gtod_thread(void)
{
+ pthread_attr_t attr;
int ret;
- ret = pthread_create(>od_thread, NULL, gtod_thread_main, NULL);
+ pthread_attr_init(&attr);
+ pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN);
+ ret = pthread_create(>od_thread, &attr, gtod_thread_main, NULL);
+ pthread_attr_destroy(&attr);
if (ret) {
log_err("Can't create gtod thread: %s\n", strerror(ret));
return 1;
for_each_td(td, i) {
print_status_init(td->thread_number - 1);
- if (!td->o.create_serialize) {
- init_disk_util(td);
+ if (!td->o.create_serialize)
continue;
- }
/*
* do file setup here so it happens sequentially,
todo--;
} else {
struct fio_file *f;
- unsigned int i;
+ unsigned int j;
/*
* for sharing to work, each job must always open
* its own files. so close them, if we opened them
* for creation
*/
- for_each_file(td, f, i) {
+ for_each_file(td, f, j) {
if (fio_file_open(f))
td_io_close_file(td, f);
}
}
-
- init_disk_util(td);
}
set_genesis_time();
while (todo) {
- struct thread_data *map[MAX_JOBS];
+ struct thread_data *map[REAL_MAX_JOBS];
struct timeval this_start;
int this_jobs = 0, left;
break;
}
+ init_disk_util(td);
+
/*
* Set state to created. Thread will transition
* to TD_INITIALIZED when it's done setting up.
fio_unpin_memory();
}
-int main(int argc, char *argv[])
+int exec_run(void)
{
- long ps;
-
- sinit();
-
- /*
- * 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");
-
- ps = sysconf(_SC_PAGESIZE);
- if (ps < 0) {
- log_err("Failed to get page size\n");
- return 1;
- }
-
- page_size = ps;
- page_mask = ps - 1;
-
- fio_keywords_init();
-
- if (parse_options(argc, argv))
- return 1;
-
+ if (is_client)
+ return fio_handle_clients();
if (exec_profile && load_profile(exec_profile))
return 1;
}
startup_mutex = fio_mutex_init(0);
+ if (startup_mutex == NULL)
+ return 1;
writeout_mutex = fio_mutex_init(1);
+ if (writeout_mutex == NULL)
+ return 1;
set_genesis_time();
-
- status_timer_arm();
+ create_disk_util_thread();
cgroup_list = smalloc(sizeof(*cgroup_list));
INIT_FLIST_HEAD(cgroup_list);
cgroup_kill(cgroup_list);
sfree(cgroup_list);
- if (cgroup_mnt)
- sfree(cgroup_mnt);
+ sfree(cgroup_mnt);
fio_mutex_remove(startup_mutex);
fio_mutex_remove(writeout_mutex);
return exit_value;
}
+
+void reset_fio_state(void)
+{
+ groupid = 0;
+ thread_number = 0;
+ nr_process = 0;
+ nr_thread = 0;
+ done_secs = 0;
+}
+
+int main(int argc, char *argv[], char *envp[])
+{
+ long ps;
+
+ arch_init(envp);
+
+ sinit();
+
+ /*
+ * 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");
+
+ ps = sysconf(_SC_PAGESIZE);
+ if (ps < 0) {
+ log_err("Failed to get page size\n");
+ return 1;
+ }
+
+ page_size = ps;
+ page_mask = ps - 1;
+
+ fio_keywords_init();
+
+ if (parse_options(argc, argv))
+ return 1;
+
+ return exec_run();
+}
projects / fio.git / blobdiff