Improve latency_target runs
Reset the stats when we have found our target, and then do
another latency_window run with those settings so that the
final results reflect the probed values.
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/stat.c b/stat.c
index bc01b51..e43db8f 100644
--- a/stat.c
+++ b/stat.c
@@ -1579,6 +1579,41 @@
ios->mean.u.f = ios->S.u.f = 0;
}
+void reset_io_stats(struct thread_data *td)
+{
+ struct thread_stat *ts = &td->ts;
+ int i, j;
+
+ for (i = 0; i < DDIR_RWDIR_CNT; i++) {
+ reset_io_stat(&ts->clat_stat[i]);
+ reset_io_stat(&ts->slat_stat[i]);
+ reset_io_stat(&ts->lat_stat[i]);
+ reset_io_stat(&ts->bw_stat[i]);
+ reset_io_stat(&ts->iops_stat[i]);
+
+ ts->io_bytes[i] = 0;
+ ts->runtime[i] = 0;
+
+ for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
+ ts->io_u_plat[i][j] = 0;
+ }
+
+ for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
+ ts->io_u_map[i] = 0;
+ ts->io_u_submit[i] = 0;
+ ts->io_u_complete[i] = 0;
+ ts->io_u_lat_u[i] = 0;
+ ts->io_u_lat_m[i] = 0;
+ ts->total_submit = 0;
+ ts->total_complete = 0;
+ }
+
+ for (i = 0; i < 3; i++) {
+ ts->total_io_u[i] = 0;
+ ts->short_io_u[i] = 0;
+ }
+}
+
static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed)
{
/*