X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.c;h=7b03250bd22ddce7b01c6a3e8e306ca108ef447e;hp=6ac8ef057b57ed9f98f35f8dfef5ace8a1af196e;hb=d708ac5e21c97a92c9c7b6b7593d9f2b0d7c9d3f;hpb=0a4957c60fb35db0973c15c4c2adbd3bac854ccd

diff --git a/fio.c b/fio.c
index 6ac8ef05..7b03250b 100644
--- a/fio.c
+++ b/fio.c
@@ -38,11 +38,16 @@
 #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"
 
 unsigned long page_mask;
 unsigned long page_size;
-#define ALIGN(buf)	\
+
+#define PAGE_ALIGN(buf)	\
 	(char *) (((unsigned long) (buf) + page_mask) & ~page_mask)
 
 int groupid = 0;
@@ -59,6 +64,8 @@ static volatile int fio_abort;
 static int exit_value;
 static struct itimerval itimer;
 static pthread_t gtod_thread;
+static struct flist_head *cgroup_list;
+static char *cgroup_mnt;
 
 struct io_log *agg_io_log[2];
 
@@ -130,23 +137,12 @@ static void sig_quit(int sig)
 static void sig_int(int sig)
 {
 	if (threads) {
-		printf("\nfio: terminating on signal %d\n", sig);
+		log_info("\nfio: terminating on signal %d\n", sig);
 		fflush(stdout);
 		terminate_threads(TERMINATE_ALL);
 	}
 }
 
-static void sig_ill(int fio_unused sig)
-{
-	if (!threads)
-		return;
-
-	log_err("fio: illegal instruction. your cpu does not support "
-		"the sse4.2 instruction for crc32c\n");
-	terminate_threads(TERMINATE_ALL);
-	exit(4);
-}
-
 static void set_sig_handlers(void)
 {
 	struct sigaction act;
@@ -161,39 +157,30 @@ static void set_sig_handlers(void)
 	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_flags = SA_RESTART;
 	sigaction(SIGQUIT, &act, NULL);
 }
 
-static inline int should_check_rate(struct thread_data *td)
-{
-	struct thread_options *o = &td->o;
-
-	/*
-	 * If some rate setting was given, we need to check it
-	 */
-	if (o->rate || o->ratemin || o->rate_iops || o->rate_iops_min)
-		return 1;
-
-	return 0;
-}
-
 /*
  * Check if we are above the minimum rate given.
  */
-static int check_min_rate(struct thread_data *td, struct timeval *now)
+static int __check_min_rate(struct thread_data *td, struct timeval *now,
+			    enum td_ddir ddir)
 {
 	unsigned long long bytes = 0;
 	unsigned long iops = 0;
 	unsigned long spent;
 	unsigned long rate;
+	unsigned int ratemin = 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;
 
 	/*
 	 * allow a 2 second settle period in the beginning
@@ -201,38 +188,35 @@ static int check_min_rate(struct thread_data *td, struct timeval *now)
 	if (mtime_since(&td->start, now) < 2000)
 		return 0;
 
-	if (td_read(td)) {
-		iops += td->io_blocks[DDIR_READ];
-		bytes += td->this_io_bytes[DDIR_READ];
-	}
-	if (td_write(td)) {
-		iops += td->io_blocks[DDIR_WRITE];
-		bytes += td->this_io_bytes[DDIR_WRITE];
-	}
+	iops += td->io_blocks[ddir];
+	bytes += td->this_io_bytes[ddir];
+	ratemin += td->o.ratemin[ddir];
+	rate_iops += td->o.rate_iops[ddir];
+	rate_iops_min += td->o.rate_iops_min[ddir];
 
 	/*
 	 * if rate blocks is set, sample is running
 	 */
-	if (td->rate_bytes || td->rate_blocks) {
-		spent = mtime_since(&td->lastrate, now);
+	if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) {
+		spent = mtime_since(&td->lastrate[ddir], now);
 		if (spent < td->o.ratecycle)
 			return 0;
 
-		if (td->o.rate) {
+		if (td->o.rate[ddir]) {
 			/*
 			 * check bandwidth specified rate
 			 */
-			if (bytes < td->rate_bytes) {
+			if (bytes < td->rate_bytes[ddir]) {
 				log_err("%s: min rate %u not met\n", td->o.name,
-								td->o.ratemin);
+								ratemin);
 				return 1;
 			} else {
-				rate = (bytes - td->rate_bytes) / spent;
-				if (rate < td->o.ratemin ||
-				    bytes < td->rate_bytes) {
+				rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent;
+				if (rate < ratemin ||
+				    bytes < td->rate_bytes[ddir]) {
 					log_err("%s: min rate %u not met, got"
-						" %luKiB/sec\n", td->o.name,
-							td->o.ratemin, rate);
+						" %luKB/sec\n", td->o.name,
+							ratemin, rate);
 					return 1;
 				}
 			}
@@ -240,29 +224,41 @@ static int check_min_rate(struct thread_data *td, struct timeval *now)
 			/*
 			 * checks iops specified rate
 			 */
-			if (iops < td->o.rate_iops) {
+			if (iops < rate_iops) {
 				log_err("%s: min iops rate %u not met\n",
-						td->o.name, td->o.rate_iops);
+						td->o.name, rate_iops);
 				return 1;
 			} else {
-				rate = (iops - td->rate_blocks) / spent;
-				if (rate < td->o.rate_iops_min ||
-				    iops < td->rate_blocks) {
+				rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent;
+				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,
-							td->o.rate_iops_min,
-							rate);
+							rate_iops_min, rate);
 				}
 			}
 		}
 	}
 
-	td->rate_bytes = bytes;
-	td->rate_blocks = iops;
-	memcpy(&td->lastrate, now, sizeof(*now));
+	td->rate_bytes[ddir] = bytes;
+	td->rate_blocks[ddir] = iops;
+	memcpy(&td->lastrate[ddir], now, sizeof(*now));
 	return 0;
 }
 
+static int check_min_rate(struct thread_data *td, struct timeval *now,
+			  unsigned long *bytes_done)
+{
+	int ret = 0;
+
+	if (bytes_done[0])
+		ret |= __check_min_rate(td, now, 0);
+	if (bytes_done[1])
+		ret |= __check_min_rate(td, now, 1);
+
+	return ret;
+}
+
 static inline int runtime_exceeded(struct thread_data *td, struct timeval *t)
 {
 	if (!td->o.timeout)
@@ -286,7 +282,7 @@ static void cleanup_pending_aio(struct thread_data *td)
 	/*
 	 * get immediately available events, if any
 	 */
-	r = io_u_queued_complete(td, 0);
+	r = io_u_queued_complete(td, 0, NULL);
 	if (r < 0)
 		return;
 
@@ -314,7 +310,7 @@ static void cleanup_pending_aio(struct thread_data *td)
 	}
 
 	if (td->cur_depth)
-		r = io_u_queued_complete(td, td->cur_depth);
+		r = io_u_queued_complete(td, td->cur_depth, NULL);
 }
 
 /*
@@ -344,7 +340,7 @@ requeue:
 		put_io_u(td, io_u);
 		return 1;
 	} else if (ret == FIO_Q_QUEUED) {
-		if (io_u_queued_complete(td, 1) < 0)
+		if (io_u_queued_complete(td, 1, NULL) < 0)
 			return 1;
 	} else if (ret == FIO_Q_COMPLETED) {
 		if (io_u->error) {
@@ -352,7 +348,7 @@ requeue:
 			return 1;
 		}
 
-		if (io_u_sync_complete(td, io_u) < 0)
+		if (io_u_sync_complete(td, io_u, NULL) < 0)
 			return 1;
 	} else if (ret == FIO_Q_BUSY) {
 		if (td_io_commit(td))
@@ -369,6 +365,51 @@ static inline void update_tv_cache(struct thread_data *td)
 		fio_gettime(&td->tv_cache, NULL);
 }
 
+static int break_on_this_error(struct thread_data *td, int *retptr)
+{
+	int ret = *retptr;
+
+	if (ret < 0 || td->error) {
+		int err;
+
+		if (!td->o.continue_on_error)
+			return 1;
+
+		if (ret < 0)
+			err = -ret;
+		else
+			err = td->error;
+
+		if (td_non_fatal_error(err)) {
+		        /*
+		         * Continue with the I/Os in case of
+			 * a non fatal error.
+			 */
+			update_error_count(td, err);
+			td_clear_error(td);
+			*retptr = 0;
+			return 0;
+		} 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;
+		} else {
+			/*
+			 * Stop the I/O in case of a fatal
+			 * error.
+			 */
+			update_error_count(td, err);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
 /*
  * The main verify engine. Runs over the writes we previously submitted,
  * reads the blocks back in, and checks the crc/md5 of the data.
@@ -380,6 +421,8 @@ static void do_verify(struct thread_data *td)
 	int ret, min_events;
 	unsigned int i;
 
+	dprint(FD_VERIFY, "starting loop\n");
+
 	/*
 	 * sync io first and invalidate cache, to make sure we really
 	 * read from disk.
@@ -402,18 +445,17 @@ static void do_verify(struct thread_data *td)
 	while (!td->terminate) {
 		int ret2, full;
 
-		io_u = __get_io_u(td);
-		if (!io_u)
-			break;
-
 		update_tv_cache(td);
 
 		if (runtime_exceeded(td, &td->tv_cache)) {
-			put_io_u(td, io_u);
 			td->terminate = 1;
 			break;
 		}
 
+		io_u = __get_io_u(td);
+		if (!io_u)
+			break;
+
 		if (get_next_verify(td, io_u)) {
 			put_io_u(td, io_u);
 			break;
@@ -424,14 +466,18 @@ static void do_verify(struct thread_data *td)
 			break;
 		}
 
-		io_u->end_io = verify_io_u;
+		if (td->o.verify_async)
+			io_u->end_io = verify_io_u_async;
+		else
+			io_u->end_io = verify_io_u;
 
 		ret = td_io_queue(td, io_u);
 		switch (ret) {
 		case FIO_Q_COMPLETED:
-			if (io_u->error)
+			if (io_u->error) {
 				ret = -io_u->error;
-			else if (io_u->resid) {
+				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;
 
@@ -448,7 +494,8 @@ static void do_verify(struct thread_data *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;
@@ -456,7 +503,7 @@ static void do_verify(struct thread_data *td)
 				requeue_io_u(td, &io_u);
 			} else {
 sync_done:
-				ret = io_u_sync_complete(td, io_u);
+				ret = io_u_sync_complete(td, io_u, NULL);
 				if (ret < 0)
 					break;
 			}
@@ -475,7 +522,7 @@ sync_done:
 			break;
 		}
 
-		if (ret < 0 || td->error)
+		if (break_on_this_error(td, &ret))
 			break;
 
 		/*
@@ -484,7 +531,8 @@ sync_done:
 		 */
 		full = queue_full(td) || ret == FIO_Q_BUSY;
 		if (full || !td->o.iodepth_batch_complete) {
-			min_events = td->o.iodepth_batch_complete;
+			min_events = min(td->o.iodepth_batch_complete,
+					 td->cur_depth);
 			if (full && !min_events)
 				min_events = 1;
 
@@ -494,7 +542,7 @@ sync_done:
 				 * and do the verification on them through
 				 * the callback handler
 				 */
-				if (io_u_queued_complete(td, min_events) < 0) {
+				if (io_u_queued_complete(td, min_events, NULL) < 0) {
 					ret = -1;
 					break;
 				}
@@ -508,11 +556,13 @@ sync_done:
 		min_events = td->cur_depth;
 
 		if (min_events)
-			ret = io_u_queued_complete(td, min_events);
+			ret = io_u_queued_complete(td, min_events, NULL);
 	} else
 		cleanup_pending_aio(td);
 
 	td_set_runstate(td, TD_RUNNING);
+
+	dprint(FD_VERIFY, "exiting loop\n");
 }
 
 /*
@@ -521,7 +571,6 @@ sync_done:
  */
 static void do_io(struct thread_data *td)
 {
-	unsigned long usec;
 	unsigned int i;
 	int ret = 0;
 
@@ -530,9 +579,11 @@ static void do_io(struct thread_data *td)
 	else
 		td_set_runstate(td, TD_RUNNING);
 
-	while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) {
+	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;
-		long bytes_done = 0;
+		unsigned long bytes_done[2] = { 0, 0 };
 		int min_evts = 0;
 		struct io_u *io_u;
 		int ret2, full;
@@ -540,24 +591,27 @@ static void do_io(struct thread_data *td)
 		if (td->terminate)
 			break;
 
-		io_u = get_io_u(td);
-		if (!io_u)
-			break;
-
 		update_tv_cache(td);
 
 		if (runtime_exceeded(td, &td->tv_cache)) {
-			put_io_u(td, io_u);
 			td->terminate = 1;
 			break;
 		}
 
+		io_u = get_io_u(td);
+		if (!io_u)
+			break;
+
 		/*
 		 * Add verification end_io handler, if asked to verify
 		 * a previously written file.
 		 */
-		if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ) {
-			io_u->end_io = verify_io_u;
+		if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ &&
+		    !td_rw(td)) {
+			if (td->o.verify_async)
+				io_u->end_io = verify_io_u_async;
+			else
+				io_u->end_io = verify_io_u;
 			td_set_runstate(td, TD_VERIFYING);
 		} else if (in_ramp_time(td))
 			td_set_runstate(td, TD_RAMP);
@@ -567,9 +621,10 @@ static void do_io(struct thread_data *td)
 		ret = td_io_queue(td, io_u);
 		switch (ret) {
 		case FIO_Q_COMPLETED:
-			if (io_u->error)
+			if (io_u->error) {
 				ret = -io_u->error;
-			else if (io_u->resid) {
+				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;
 
@@ -586,7 +641,8 @@ static void do_io(struct thread_data *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;
@@ -594,12 +650,13 @@ static void do_io(struct thread_data *td)
 				requeue_io_u(td, &io_u);
 			} else {
 sync_done:
-				if (should_check_rate(td))
+				if (__should_check_rate(td, 0) ||
+				    __should_check_rate(td, 1))
 					fio_gettime(&comp_time, NULL);
 
-				bytes_done = io_u_sync_complete(td, io_u);
-				if (bytes_done < 0)
-					ret = bytes_done;
+				ret = io_u_sync_complete(td, io_u, bytes_done);
+				if (ret < 0)
+					break;
 			}
 			break;
 		case FIO_Q_QUEUED:
@@ -623,7 +680,7 @@ sync_done:
 			break;
 		}
 
-		if (ret < 0 || td->error)
+		if (break_on_this_error(td, &ret))
 			break;
 
 		/*
@@ -631,38 +688,30 @@ sync_done:
 		 */
 		full = queue_full(td) || ret == FIO_Q_BUSY;
 		if (full || !td->o.iodepth_batch_complete) {
-			min_evts = td->o.iodepth_batch_complete;
+			min_evts = min(td->o.iodepth_batch_complete,
+					td->cur_depth);
 			if (full && !min_evts)
 				min_evts = 1;
 
-			if (should_check_rate(td))
+			if (__should_check_rate(td, 0) ||
+			    __should_check_rate(td, 1))
 				fio_gettime(&comp_time, NULL);
 
 			do {
-				ret = io_u_queued_complete(td, min_evts);
-				if (ret <= 0)
+				ret = io_u_queued_complete(td, min_evts, bytes_done);
+				if (ret < 0)
 					break;
 
-				bytes_done += ret;
 			} while (full && (td->cur_depth > td->o.iodepth_low));
 		}
 
 		if (ret < 0)
 			break;
-		if (!bytes_done)
+		if (!(bytes_done[0] + bytes_done[1]))
 			continue;
 
-		/*
-		 * the rate is batched for now, it should work for batches
-		 * of completions except the very first one which may look
-		 * a little bursty
-		 */
-		if (!in_ramp_time(td) && should_check_rate(td)) {
-			usec = utime_since(&td->tv_cache, &comp_time);
-
-			rate_throttle(td, usec, bytes_done);
-
-			if (check_min_rate(td, &comp_time)) {
+		if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) {
+			if (check_min_rate(td, &comp_time, bytes_done)) {
 				if (exitall_on_terminate)
 					terminate_threads(td->groupid);
 				td_verror(td, EIO, "check_min_rate");
@@ -687,6 +736,9 @@ sync_done:
 		}
 	}
 
+	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;
@@ -696,7 +748,7 @@ sync_done:
 
 		i = td->cur_depth;
 		if (i)
-			ret = io_u_queued_complete(td, i);
+			ret = io_u_queued_complete(td, i, NULL);
 
 		if (should_fsync(td) && td->o.end_fsync) {
 			td_set_runstate(td, TD_FSYNCING);
@@ -759,8 +811,8 @@ static int init_io_u(struct thread_data *td)
 	if (allocate_io_mem(td))
 		return 1;
 
-	if (td->o.odirect)
-		p = ALIGN(td->orig_buffer);
+	if (td->o.odirect || td->o.mem_align)
+		p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align;
 	else
 		p = td->orig_buffer;
 
@@ -780,12 +832,21 @@ static int init_io_u(struct thread_data *td)
 		io_u = ptr;
 		memset(io_u, 0, sizeof(*io_u));
 		INIT_FLIST_HEAD(&io_u->list);
+		dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i);
 
 		if (!(td->io_ops->flags & FIO_NOIO)) {
 			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)
 				io_u_fill_buffer(td, io_u, max_bs);
+			else 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);
+			}
 		}
 
 		io_u->index = i;
@@ -878,8 +939,8 @@ static void reset_io_counters(struct thread_data *td)
 	td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0;
 	td->this_io_bytes[0] = td->this_io_bytes[1] = 0;
 	td->zone_bytes = 0;
-	td->rate_bytes = 0;
-	td->rate_blocks = 0;
+	td->rate_bytes[0] = td->rate_bytes[1] = 0;
+	td->rate_blocks[0] = td->rate_blocks[1] = 0;
 
 	td->last_was_sync = 0;
 
@@ -950,6 +1011,7 @@ static void *thread_main(void *data)
 {
 	unsigned long long runtime[2], elapsed;
 	struct thread_data *td = data;
+	pthread_condattr_t attr;
 	int clear_state;
 
 	if (!td->o.use_thread)
@@ -964,8 +1026,15 @@ static void *thread_main(void *data)
 	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);
+	INIT_FLIST_HEAD(&td->trim_list);
+	pthread_mutex_init(&td->io_u_lock, NULL);
 	td->io_hist_tree = RB_ROOT;
 
+	pthread_condattr_init(&attr);
+	pthread_cond_init(&td->verify_cond, &attr);
+	pthread_cond_init(&td->free_cond, &attr);
+
 	td_set_runstate(td, TD_INITIALIZED);
 	dprint(FD_MUTEX, "up startup_mutex\n");
 	fio_mutex_up(startup_mutex);
@@ -979,6 +1048,15 @@ static void *thread_main(void *data)
 	 */
 	fio_mutex_remove(td->mutex);
 
+	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");
+		goto err;
+	}
+
 	/*
 	 * May alter parameters that init_io_u() will use, so we need to
 	 * do this first.
@@ -989,7 +1067,10 @@ static void *thread_main(void *data)
 	if (init_io_u(td))
 		goto err;
 
-	if (td->o.cpumask_set && fio_setaffinity(td) == -1) {
+	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;
 	}
@@ -1000,7 +1081,7 @@ static void *thread_main(void *data)
 	 */
 	if (td->o.gtod_cpu) {
 		fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu);
-		if (fio_setaffinity(td) == -1) {
+		if (fio_setaffinity(td->pid, td->o.cpumask) == -1) {
 			td_verror(td, errno, "cpu_set_affinity");
 			goto err;
 		}
@@ -1013,6 +1094,9 @@ static void *thread_main(void *data)
 		}
 	}
 
+	if (td->o.cgroup_weight && cgroup_setup(td, cgroup_list, &cgroup_mnt))
+		goto err;
+
 	if (nice(td->o.nice) == -1) {
 		td_verror(td, errno, "nice");
 		goto err;
@@ -1047,10 +1131,13 @@ static void *thread_main(void *data)
 	clear_state = 0;
 	while (keep_running(td)) {
 		fio_gettime(&td->start, NULL);
-		memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start));
+		memcpy(&td->ts.stat_sample_time[0], &td->start,
+				sizeof(td->start));
+		memcpy(&td->ts.stat_sample_time[1], &td->start,
+				sizeof(td->start));
 		memcpy(&td->tv_cache, &td->start, sizeof(td->start));
 
-		if (td->o.ratemin)
+		if (td->o.ratemin[0] || td->o.ratemin[1])
 			memcpy(&td->lastrate, &td->ts.stat_sample_time,
 							sizeof(td->lastrate));
 
@@ -1107,6 +1194,13 @@ static void *thread_main(void *data)
 		} 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,
@@ -1130,11 +1224,16 @@ static void *thread_main(void *data)
 
 err:
 	if (td->error)
-		printf("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error,
+		log_info("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error,
 							td->verror);
+
+	if (td->o.verify_async)
+		verify_async_exit(td);
+
 	close_and_free_files(td);
 	close_ioengine(td);
 	cleanup_io_u(td);
+	cgroup_shutdown(td, &cgroup_mnt);
 
 	if (td->o.cpumask_set) {
 		int ret = fio_cpuset_exit(&td->o.cpumask);
@@ -1256,8 +1355,8 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate)
 		continue;
 reaped:
 		(*nr_running)--;
-		(*m_rate) -= td->o.ratemin;
-		(*t_rate) -= td->o.rate;
+		(*m_rate) -= (td->o.ratemin[0] + td->o.ratemin[1]);
+		(*t_rate) -= (td->o.rate[0] + td->o.rate[1]);
 		if (!td->pid)
 			pending--;
 
@@ -1291,9 +1390,13 @@ static void *gtod_thread_main(void *data)
 
 static int fio_start_gtod_thread(void)
 {
+	pthread_attr_t attr;
 	int ret;
 
-	ret = pthread_create(&gtod_thread, NULL, gtod_thread_main, NULL);
+	pthread_attr_init(&attr);
+	pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN);
+	ret = pthread_create(&gtod_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;
@@ -1327,17 +1430,17 @@ static void run_threads(void)
 		return;
 
 	if (!terse_output) {
-		printf("Starting ");
+		log_info("Starting ");
 		if (nr_thread)
-			printf("%d thread%s", nr_thread,
+			log_info("%d thread%s", nr_thread,
 						nr_thread > 1 ? "s" : "");
 		if (nr_process) {
 			if (nr_thread)
 				printf(" and ");
-			printf("%d process%s", nr_process,
+			log_info("%d process%s", nr_process,
 						nr_process > 1 ? "es" : "");
 		}
-		printf("\n");
+		log_info("\n");
 		fflush(stdout);
 	}
 
@@ -1377,8 +1480,10 @@ static void run_threads(void)
 			 * its own files. so close them, if we opened them
 			 * for creation
 			 */
-			for_each_file(td, f, i)
-				td_io_close_file(td, f);
+			for_each_file(td, f, i) {
+				if (fio_file_open(f))
+					td_io_close_file(td, f);
+			}
 		}
 
 		init_disk_util(td);
@@ -1456,7 +1561,13 @@ static void run_threads(void)
 					*fio_debug_jobp = pid;
 			}
 			dprint(FD_MUTEX, "wait on startup_mutex\n");
-			fio_mutex_down(startup_mutex);
+			if (fio_mutex_down_timeout(startup_mutex, 10)) {
+				log_err("fio: job startup hung? exiting.\n");
+				terminate_threads(TERMINATE_ALL);
+				fio_abort = 1;
+				nr_started--;
+				break;
+			}
 			dprint(FD_MUTEX, "done waiting on startup_mutex\n");
 		}
 
@@ -1512,8 +1623,8 @@ static void run_threads(void)
 				td_set_runstate(td, TD_RUNNING);
 			nr_running++;
 			nr_started--;
-			m_rate += td->o.ratemin;
-			t_rate += td->o.rate;
+			m_rate += td->o.ratemin[0] + td->o.ratemin[1];
+			t_rate += td->o.rate[0] + td->o.rate[1];
 			todo--;
 			fio_mutex_up(td->mutex);
 		}
@@ -1538,6 +1649,7 @@ int main(int argc, char *argv[])
 	long ps;
 
 	sinit();
+	init_rand(&__fio_rand_state);
 
 	/*
 	 * We need locale for number printing, if it isn't set then just
@@ -1546,12 +1658,6 @@ int main(int argc, char *argv[])
 	if (!getenv("LC_NUMERIC"))
 		setlocale(LC_NUMERIC, "en_US");
 
-	if (parse_options(argc, argv))
-		return 1;
-
-	if (!thread_number)
-		return 0;
-
 	ps = sysconf(_SC_PAGESIZE);
 	if (ps < 0) {
 		log_err("Failed to get page size\n");
@@ -1561,6 +1667,17 @@ int main(int argc, char *argv[])
 	page_size = ps;
 	page_mask = ps - 1;
 
+	fio_keywords_init();
+
+	if (parse_options(argc, argv))
+		return 1;
+
+	if (exec_profile && load_profile(exec_profile))
+		return 1;
+
+	if (!thread_number)
+		return 0;
+
 	if (write_bw_log) {
 		setup_log(&agg_io_log[DDIR_READ]);
 		setup_log(&agg_io_log[DDIR_WRITE]);
@@ -1573,6 +1690,9 @@ int main(int argc, char *argv[])
 
 	status_timer_arm();
 
+	cgroup_list = smalloc(sizeof(*cgroup_list));
+	INIT_FLIST_HEAD(cgroup_list);
+
 	run_threads();
 
 	if (!fio_abort) {
@@ -1584,6 +1704,10 @@ int main(int argc, char *argv[])
 		}
 	}
 
+	cgroup_kill(cgroup_list);
+	sfree(cgroup_list);
+	sfree(cgroup_mnt);
+
 	fio_mutex_remove(startup_mutex);
 	fio_mutex_remove(writeout_mutex);
 	return exit_value;