X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.c;h=04247925115cddd9625b67b643ddd5d21d18f9d5;hp=778749d6a3322411a7affc06f945ee2c3a4a2aff;hb=a917a8b3dfeefdd7007ba2f46f21fc145574309d;hpb=4ceb30d4b44957e252a75f7ee4170f36109934c3

diff --git a/fio.c b/fio.c
index 778749d6..04247925 100644
--- a/fio.c
+++ b/fio.c
@@ -38,8 +38,11 @@
 #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;
@@ -140,17 +143,6 @@ static void sig_int(int sig)
 	}
 }
 
-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;
@@ -165,11 +157,6 @@ 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;
@@ -190,6 +177,8 @@ static int __check_min_rate(struct thread_data *td, struct timeval *now,
 	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;
 
@@ -432,6 +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.
@@ -503,7 +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;
@@ -569,6 +561,8 @@ sync_done:
 		cleanup_pending_aio(td);
 
 	td_set_runstate(td, TD_RUNNING);
+
+	dprint(FD_VERIFY, "exiting loop\n");
 }
 
 /*
@@ -586,6 +580,7 @@ static void do_io(struct thread_data *td)
 		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 };
@@ -646,7 +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;
@@ -740,6 +736,8 @@ sync_done:
 		}
 	}
 
+	assert(!td->trim_entries);
+
 	if (td->o.fill_device && td->error == ENOSPC) {
 		td->error = 0;
 		td->terminate = 1;
@@ -841,6 +839,13 @@ static int init_io_u(struct thread_data *td)
 
 			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;
@@ -1021,6 +1026,7 @@ static void *thread_main(void *data)
 	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;
 
@@ -1187,6 +1193,13 @@ 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,
@@ -1376,9 +1389,13 @@ 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;
@@ -1631,6 +1648,7 @@ 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
@@ -1653,6 +1671,9 @@ int main(int argc, char *argv[])
 	if (parse_options(argc, argv))
 		return 1;
 
+	if (exec_profile && load_profile(exec_profile))
+		return 1;
+
 	if (!thread_number)
 		return 0;
 
@@ -1684,8 +1705,7 @@ int main(int argc, char *argv[])
 
 	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);