4 files changed, 16 insertions, 5 deletions

diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index 3dd86441da3..c15624b7690 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -290,6 +290,9 @@ struct qdio_q {
         /* error condition during a data transfer */
         unsigned int qdio_error;
 
+        /* last scan of the queue */
+        u64 timestamp;
+
         struct tasklet_struct tasklet;
         struct qdio_queue_perf_stat q_stats;
 
@@ -449,6 +452,8 @@ static inline int shared_ind(struct qdio_q *q)
         return references_shared_dsci(i) || has_multiple_inq_on_dsci(i);
 }
 
+extern u64 last_ai_time;
+
 /* prototypes for thin interrupt */
 void qdio_setup_thinint(struct qdio_irq *irq_ptr);
 int qdio_establish_thinint(struct qdio_irq *irq_ptr);
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index aaf7f935bfd..ed68245f974 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -54,15 +54,17 @@ static int qstat_show(struct seq_file *m, void *v)
         if (!q)
                 return 0;
 
-        seq_printf(m, "DSCI: %d   nr_used: %d\n",
-                   *(u32 *)q->irq_ptr->dsci, atomic_read(&q->nr_buf_used));
-        seq_printf(m, "ftc: %d  last_move: %d\n",
+        seq_printf(m, "Timestamp: %Lx  Last AI: %Lx\n",
+                   q->timestamp, last_ai_time);
+        seq_printf(m, "nr_used: %d  ftc: %d  last_move: %d\n",
+                   atomic_read(&q->nr_buf_used),
                    q->first_to_check, q->last_move);
         if (q->is_input_q) {
                 seq_printf(m, "polling: %d  ack start: %d  ack count: %d\n",
                            q->u.in.polling, q->u.in.ack_start,
                            q->u.in.ack_count);
-                seq_printf(m, "IRQs disabled: %u\n",
+                seq_printf(m, "DSCI: %d   IRQs disabled: %u\n",
+                           *(u32 *)q->irq_ptr->dsci,
                            test_bit(QDIO_QUEUE_IRQS_DISABLED,
                            &q->u.in.queue_irq_state));
         }
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 7ded1b26fd2..a76d6764ce6 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -512,6 +512,8 @@ static int get_inbound_buffer_frontier(struct qdio_q *q)
         int count, stop;
         unsigned char state = 0;
 
+        q->timestamp = get_clock_fast();
+
         /*
          * Don't check 128 buffers, as otherwise qdio_inbound_q_moved
          * would return 0.
@@ -781,6 +783,8 @@ static int get_outbound_buffer_frontier(struct qdio_q *q)
         int count, stop;
         unsigned char state = 0;
 
+        q->timestamp = get_clock_fast();
+
         if (need_siga_sync(q))
                 if (((queue_type(q) != QDIO_IQDIO_QFMT) &&
                     !pci_out_supported(q)) ||
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index a3e3949d7b6..8c1f412b7e6 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -36,7 +36,7 @@ static u8 *tiqdio_alsi;
 
 struct indicator_t *q_indicators;
 
-static u64 last_ai_time;
+u64 last_ai_time;
 
 /* returns addr for the device state change indicator */
 static u32 *get_indicator(void)