X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=fio.c;h=225aaa4d4550c2ea385f8eaaee70b9b8d1bc321d;hb=2cb8d960e8abedb0702e0e53fbebbbd649147646;hp=a4efe385bbb11364638d0b3567842189186e1af3;hpb=36dff96650e663e972d7f4318710d5730adaeb90;p=fio.git

diff --git a/fio.c b/fio.c
index a4efe385..225aaa4d 100644
--- a/fio.c
+++ b/fio.c
@@ -47,11 +47,17 @@ int shm_id = 0;
 int temp_stall_ts;
 
 static volatile int startup_sem;
+static volatile int fio_abort;
 
 #define TERMINATE_ALL		(-1)
 #define JOB_START_TIMEOUT	(5 * 1000)
 
-static void terminate_threads(int group_id)
+static inline void td_set_runstate(struct thread_data *td, int runstate)
+{
+	td->runstate = runstate;
+}
+
+static void terminate_threads(int group_id, int forced_kill)
 {
 	struct thread_data *td;
 	int i;
@@ -60,6 +66,8 @@ static void terminate_threads(int group_id)
 		if (group_id == TERMINATE_ALL || groupid == td->groupid) {
 			td->terminate = 1;
 			td->start_delay = 0;
+			if (forced_kill)
+				td_set_runstate(td, TD_EXITED);
 		}
 	}
 }
@@ -72,10 +80,15 @@ static void sig_handler(int sig)
 			disk_util_timer_arm();
 			print_thread_status();
 			break;
+		case SIGSEGV:
+			fprintf(stderr, "fio: got segfault, aborting\n");
+			terminate_threads(TERMINATE_ALL, 1);
+			fio_abort = 1;
+			exit(0);
 		default:
-			printf("\nfio: terminating on signal\n");
+			printf("\nfio: terminating on signal %d\n", sig);
 			fflush(stdout);
-			terminate_threads(TERMINATE_ALL);
+			terminate_threads(TERMINATE_ALL, 0);
 			break;
 	}
 }
@@ -105,7 +118,7 @@ static int check_min_rate(struct thread_data *td, struct timeval *now)
 
 		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);
+			fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate);
 			return 1;
 		}
 	}
@@ -125,11 +138,6 @@ static inline int runtime_exceeded(struct thread_data *td, struct timeval *t)
 	return 0;
 }
 
-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)
 {
 	unsigned int old_next_file = td->next_file;
@@ -242,7 +250,7 @@ static int fio_io_sync(struct thread_data *td, struct fio_file *f)
  * The main verify engine. Runs over the writes we previusly submitted,
  * reads the blocks back in, and checks the crc/md5 of the data.
  */
-void do_verify(struct thread_data *td)
+static void do_verify(struct thread_data *td)
 {
 	struct io_u *io_u, *v_io_u = NULL;
 	struct io_completion_data icd;
@@ -379,7 +387,6 @@ static void do_io(struct thread_data *td)
 	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 min_evts = 0;
 		struct io_u *io_u;
@@ -407,6 +414,8 @@ static void do_io(struct thread_data *td)
 		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 {
@@ -439,16 +448,21 @@ static void do_io(struct thread_data *td)
 
 		if (check_min_rate(td, &icd.time)) {
 			if (exitall_on_terminate)
-				terminate_threads(td->groupid);
-			td_verror(td, ENOMEM);
+				terminate_threads(td->groupid, 0);
+			td_verror(td, ENODATA);
 			break;
 		}
 
 		if (runtime_exceeded(td, &icd.time))
 			break;
 
-		if (td->thinktime)
-			usec_sleep(td, td->thinktime);
+		if (td->thinktime) {
+			unsigned long long b;
+
+			b = td->io_blocks[0] + td->io_blocks[1];
+			if (!(b % td->thinktime_blocks))
+				usec_sleep(td, td->thinktime);
+		}
 	}
 
 	if (!td->error) {
@@ -507,7 +521,12 @@ static int init_io_u(struct thread_data *td)
 		max_units = td->iodepth;
 
 	max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]);
-	td->orig_buffer_size = max_bs * max_units + MASK;
+	td->orig_buffer_size = max_bs * max_units;
+
+	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;
 
 	if (allocate_io_mem(td))
 		return 1;
@@ -719,7 +738,7 @@ static void *thread_main(void *data)
 		system(td->exec_postrun);
 
 	if (exitall_on_terminate)
-		terminate_threads(td->groupid);
+		terminate_threads(td->groupid, 0);
 
 err:
 	close_files(td);
@@ -794,7 +813,7 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate)
 	}
 
 	if (*nr_running == cputhreads && !pending)
-		terminate_threads(TERMINATE_ALL);
+		terminate_threads(TERMINATE_ALL, 0);
 }
 
 /*
@@ -816,6 +835,7 @@ static void run_threads(void)
 
 	signal(SIGINT, sig_handler);
 	signal(SIGALRM, sig_handler);
+	signal(SIGSEGV, sig_handler);
 
 	todo = thread_number;
 	nr_running = 0;
@@ -825,10 +845,10 @@ static void run_threads(void)
 	for_each_td(td, i) {
 		print_status_init(td->thread_number - 1);
 
-		init_disk_util(td);
-
-		if (!td->create_serialize)
+		if (!td->create_serialize) {
+			init_disk_util(td);
 			continue;
+		}
 
 		/*
 		 * do file setup here so it happens sequentially,
@@ -839,6 +859,8 @@ static void run_threads(void)
 			td_set_runstate(td, TD_REAPED);
 			todo--;
 		}
+
+		init_disk_util(td);
 	}
 
 	while (todo) {
@@ -902,7 +924,7 @@ static void run_threads(void)
 		 */
 		fio_gettime(&this_start, NULL);
 		left = this_jobs;
-		while (left) {
+		while (left && !fio_abort) {
 			if (mtime_since_now(&this_start) > JOB_START_TIMEOUT)
 				break;
 
@@ -979,7 +1001,9 @@ int main(int argc, char *argv[])
 	disk_util_timer_arm();
 
 	run_threads();
-	show_run_stats();
+
+	if (!fio_abort)
+		show_run_stats();
 
 	return 0;
 }