X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.c;h=2a09fbe2d71b68fe40eaa0f7fb4f77056219d81f;hp=43197b76a7649c54279f2dc82da036f9e023de09;hb=721938ae7fae0f6d470a7e32e177ea5dce480229;hpb=01743ee1718e7ec4b16ae3e53c8f64900c6052cc

diff --git a/fio.c b/fio.c
index 43197b76..2a09fbe2 100644
--- a/fio.c
+++ b/fio.c
@@ -125,9 +125,17 @@ static void sig_int(int sig)
 	}
 }
 
-/*
- * We need to rearm on BSD/solaris. Switch this to sigaction in the future...
- */
+static void sig_ill(int 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;
@@ -141,6 +149,11 @@ static void set_sig_handlers(void)
 	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);
 }
 
 /*
@@ -358,7 +371,7 @@ static void do_verify(struct thread_data *td)
 
 	io_u = NULL;
 	while (!td->terminate) {
-		int ret2;
+		int ret2, full;
 
 		io_u = __get_io_u(td);
 		if (!io_u)
@@ -395,7 +408,7 @@ static void do_verify(struct thread_data *td)
 				 * zero read, fail
 				 */
 				if (!bytes) {
-					td_verror(td, ENODATA, "full resid");
+					td_verror(td, EIO, "full resid");
 					put_io_u(td, io_u);
 					break;
 				}
@@ -438,19 +451,25 @@ sync_done:
 		 * if we can queue more, do so. but check if there are
 		 * completed io_u's first.
 		 */
-		min_events = 0;
-		if (queue_full(td) || ret == FIO_Q_BUSY) {
-			if (td->cur_depth >= td->o.iodepth_low)
-				min_events = td->cur_depth - td->o.iodepth_low;
-			if (!min_events)
+		full = queue_full(td) || ret == FIO_Q_BUSY;
+		if (full || !td->o.iodepth_batch_complete) {
+			min_events = td->o.iodepth_batch_complete;
+			if (full && !min_events)
 				min_events = 1;
-		}
 
-		/*
-		 * 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) < 0)
+			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) < 0) {
+					ret = -1;
+					break;
+				}
+			} while (full && (td->cur_depth > td->o.iodepth_low));
+		}
+		if (ret < 0)
 			break;
 	}
 
@@ -483,7 +502,7 @@ static void do_io(struct thread_data *td)
 		long bytes_done = 0;
 		int min_evts = 0;
 		struct io_u *io_u;
-		int ret2;
+		int ret2, full;
 
 		if (td->terminate)
 			break;
@@ -523,7 +542,7 @@ static void do_io(struct thread_data *td)
 				 * zero read, fail
 				 */
 				if (!bytes) {
-					td_verror(td, ENODATA, "full resid");
+					td_verror(td, EIO, "full resid");
 					put_io_u(td, io_u);
 					break;
 				}
@@ -573,18 +592,25 @@ sync_done:
 		/*
 		 * See if we need to complete some commands
 		 */
-		if (queue_full(td) || ret == FIO_Q_BUSY) {
-			min_evts = 0;
-			if (td->cur_depth >= td->o.iodepth_low)
-				min_evts = td->cur_depth - td->o.iodepth_low;
-			if (!min_evts)
+		full = queue_full(td) || ret == FIO_Q_BUSY;
+		if (full || !td->o.iodepth_batch_complete) {
+			min_evts = td->o.iodepth_batch_complete;
+			if (full && !min_evts)
 				min_evts = 1;
+
 			fio_gettime(&comp_time, NULL);
-			bytes_done = io_u_queued_complete(td, min_evts);
-			if (bytes_done < 0)
-				break;
+
+			do {
+				ret = io_u_queued_complete(td, min_evts);
+				if (ret <= 0)
+					break;
+
+				bytes_done += ret;
+			} while (full && (td->cur_depth > td->o.iodepth_low));
 		}
 
+		if (ret < 0)
+			break;
 		if (!bytes_done)
 			continue;
 
@@ -593,15 +619,17 @@ sync_done:
 		 * of completions except the very first one which may look
 		 * a little bursty
 		 */
-		usec = utime_since(&s, &comp_time);
+		if (ramp_time_over(td)) {
+			usec = utime_since(&s, &comp_time);
 
-		rate_throttle(td, usec, bytes_done);
+			rate_throttle(td, usec, bytes_done);
 
-		if (check_min_rate(td, &comp_time)) {
-			if (exitall_on_terminate)
-				terminate_threads(td->groupid);
-			td_verror(td, ENODATA, "check_min_rate");
-			break;
+			if (check_min_rate(td, &comp_time)) {
+				if (exitall_on_terminate)
+					terminate_threads(td->groupid);
+				td_verror(td, EIO, "check_min_rate");
+				break;
+			}
 		}
 
 		if (td->o.thinktime) {