X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=libfio.c;h=c9bb8f3f1e5494aa91b40e9566dab12a74aa6a7d;hp=55762d7be3cc99617c95e9981f9cc40413e3b4c0;hb=9d8fc5e4351ba93617db379d30482bdc7deea3b8;hpb=a39fb9ea87afae396a882961fe65d87e548a1a1b

diff --git a/libfio.c b/libfio.c
index 55762d7b..c9bb8f3f 100644
--- a/libfio.c
+++ b/libfio.c
@@ -18,7 +18,7 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  *
  */
 
@@ -34,19 +34,16 @@
 #include "os/os.h"
 #include "filelock.h"
 #include "helper_thread.h"
+#include "filehash.h"
 
-/*
- * Just expose an empty list, if the OS does not support disk util stats
- */
-#ifndef FIO_HAVE_DISK_UTIL
 FLIST_HEAD(disk_list);
-#endif
 
 unsigned long arch_flags = 0;
 
 uintptr_t page_mask = 0;
 uintptr_t page_size = 0;
 
+/* see os/os.h */
 static const char *fio_os_strings[os_nr] = {
 	"Invalid",
 	"Linux",
@@ -62,6 +59,7 @@ static const char *fio_os_strings[os_nr] = {
 	"DragonFly",
 };
 
+/* see arch/arch.h */
 static const char *fio_arch_strings[arch_nr] = {
 	"Invalid",
 	"x86-64",
@@ -75,6 +73,8 @@ static const char *fio_arch_strings[arch_nr] = {
 	"arm",
 	"sh",
 	"hppa",
+	"mips",
+	"aarch64",
 	"generic"
 };
 
@@ -130,7 +130,6 @@ void clear_io_state(struct thread_data *td, int all)
 
 void reset_all_stats(struct thread_data *td)
 {
-	struct timeval tv;
 	int i;
 
 	reset_io_counters(td, 1);
@@ -144,11 +143,11 @@ void reset_all_stats(struct thread_data *td)
 		td->rwmix_issues = 0;
 	}
 
-	fio_gettime(&tv, NULL);
-	memcpy(&td->epoch, &tv, sizeof(tv));
-	memcpy(&td->start, &tv, sizeof(tv));
-	memcpy(&td->iops_sample_time, &tv, sizeof(tv));
-	memcpy(&td->bw_sample_time, &tv, sizeof(tv));
+	set_epoch_time(td, td->o.log_unix_epoch);
+	memcpy(&td->start, &td->epoch, sizeof(td->epoch));
+	memcpy(&td->iops_sample_time, &td->epoch, sizeof(td->epoch));
+	memcpy(&td->bw_sample_time, &td->epoch, sizeof(td->epoch));
+	memcpy(&td->ss.prev_time, &td->epoch, sizeof(td->epoch));
 
 	lat_target_reset(td);
 	clear_rusage_stat(td);
@@ -274,14 +273,18 @@ int fio_running_or_pending_io_threads(void)
 {
 	struct thread_data *td;
 	int i;
+	int nr_io_threads = 0;
 
 	for_each_td(td, i) {
-		if (td->flags & TD_F_NOIO)
+		if (td->io_ops_init && td_ioengine_flagged(td, FIO_NOIO))
 			continue;
+		nr_io_threads++;
 		if (td->runstate < TD_EXITED)
 			return 1;
 	}
 
+	if (!nr_io_threads)
+		return -1; /* we only had cpuio threads to begin with */
 	return 0;
 }
 
@@ -303,6 +306,13 @@ int fio_set_fd_nonblocking(int fd, const char *who)
 	return flags;
 }
 
+enum {
+	ENDIAN_INVALID_BE = 1,
+	ENDIAN_INVALID_LE,
+	ENDIAN_INVALID_CONFIG,
+	ENDIAN_BROKEN,
+};
+
 static int endian_check(void)
 {
 	union {
@@ -319,16 +329,16 @@ static int endian_check(void)
 
 #if defined(CONFIG_LITTLE_ENDIAN)
 	if (be)
-		return 1;
+		return ENDIAN_INVALID_BE;
 #elif defined(CONFIG_BIG_ENDIAN)
 	if (le)
-		return 1;
+		return ENDIAN_INVALID_LE;
 #else
-	return 1;
+	return ENDIAN_INVALID_CONFIG;
 #endif
 
 	if (!le && !be)
-		return 1;
+		return ENDIAN_BROKEN;
 
 	return 0;
 }
@@ -336,23 +346,48 @@ static int endian_check(void)
 int initialize_fio(char *envp[])
 {
 	long ps;
+	int err;
 
 	/*
 	 * We need these to be properly 64-bit aligned, otherwise we
 	 * can run into problems on archs that fault on unaligned fp
 	 * access (ARM).
 	 */
+	compiletime_assert((offsetof(struct thread_data, ts) % sizeof(void *)) == 0, "ts");
 	compiletime_assert((offsetof(struct thread_stat, percentile_list) % 8) == 0, "stat percentile_list");
 	compiletime_assert((offsetof(struct thread_stat, total_run_time) % 8) == 0, "total_run_time");
 	compiletime_assert((offsetof(struct thread_stat, total_err_count) % 8) == 0, "total_err_count");
 	compiletime_assert((offsetof(struct thread_stat, latency_percentile) % 8) == 0, "stat latency_percentile");
+	compiletime_assert((offsetof(struct thread_data, ts.clat_stat) % 8) == 0, "ts.clat_stat");
 	compiletime_assert((offsetof(struct thread_options_pack, zipf_theta) % 8) == 0, "zipf_theta");
 	compiletime_assert((offsetof(struct thread_options_pack, pareto_h) % 8) == 0, "pareto_h");
 	compiletime_assert((offsetof(struct thread_options_pack, percentile_list) % 8) == 0, "percentile_list");
 	compiletime_assert((offsetof(struct thread_options_pack, latency_percentile) % 8) == 0, "latency_percentile");
+	compiletime_assert((offsetof(struct jobs_eta, m_rate) % 8) == 0, "m_rate");
+
+	compiletime_assert(__TD_F_LAST <= TD_ENG_FLAG_SHIFT, "TD_ENG_FLAG_SHIFT");
+	compiletime_assert(BSSPLIT_MAX == ZONESPLIT_MAX, "bsssplit/zone max");
 
-	if (endian_check()) {
+	err = endian_check();
+	if (err) {
 		log_err("fio: endianness settings appear wrong.\n");
+		switch (err) {
+		case ENDIAN_INVALID_BE:
+			log_err("fio: got big-endian when configured for little\n");
+			break;
+		case ENDIAN_INVALID_LE:
+			log_err("fio: got little-endian when configured for big\n");
+			break;
+		case ENDIAN_INVALID_CONFIG:
+			log_err("fio: not configured to any endianness\n");
+			break;
+		case ENDIAN_BROKEN:
+			log_err("fio: failed to detect endianness\n");
+			break;
+		default:
+			assert(0);
+			break;
+		}
 		log_err("fio: please report this to fio@vger.kernel.org\n");
 		return 1;
 	}
@@ -370,6 +405,8 @@ int initialize_fio(char *envp[])
 		return 1;
 	}
 
+	file_hash_init();
+
 	/*
 	 * We need locale for number printing, if it isn't set then just
 	 * go with the US format.