3 files changed, 16 insertions, 1 deletions

diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 7572a0057623..a44a8c5b91be 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -129,6 +129,7 @@ static int qdio_do_eqbs(struct qdio_q *q, unsigned char *state,
         char dbf_text[15];
 
         BUG_ON(!q->irq_ptr->sch_token);
+        qdio_perf_stat_inc(&perf_stats.debug_eqbs_all);
 
         if (!q->is_input_q)
                 nr += q->irq_ptr->nr_input_qs;
@@ -139,8 +140,10 @@ again:
         /* At least one buffer was processed, return and extract the remaining
          * buffers later.
          */
-        if ((ccq == 96) && (count != tmp_count))
+        if ((ccq == 96) && (count != tmp_count)) {
+                qdio_perf_stat_inc(&perf_stats.debug_eqbs_incomplete);
                 return (count - tmp_count);
+        }
         if (rc == 1) {
                 QDIO_DBF_TEXT5(1, trace, "eqAGAIN");
                 goto again;
@@ -179,6 +182,7 @@ static int qdio_do_sqbs(struct qdio_q *q, unsigned char state, int start,
         char dbf_text[15];
 
         BUG_ON(!q->irq_ptr->sch_token);
+        qdio_perf_stat_inc(&perf_stats.debug_sqbs_all);
 
         if (!q->is_input_q)
                 nr += q->irq_ptr->nr_input_qs;
@@ -187,6 +191,7 @@ again:
         rc = qdio_check_ccq(q, ccq);
         if (rc == 1) {
                 QDIO_DBF_TEXT5(1, trace, "sqAGAIN");
+                qdio_perf_stat_inc(&perf_stats.debug_sqbs_incomplete);
                 goto again;
         }
         if (rc < 0) {
diff --git a/drivers/s390/cio/qdio_perf.c b/drivers/s390/cio/qdio_perf.c
index ec5c4a414235..bec01100f8e8 100644
--- a/drivers/s390/cio/qdio_perf.c
+++ b/drivers/s390/cio/qdio_perf.c
@@ -80,6 +80,12 @@ static int qdio_perf_proc_show(struct seq_file *m, void *v)
                    (long)atomic_long_read(&perf_stats.debug_stop_polling));
         seq_printf(m, "AI inbound tasklet loops after stop polling\t: %li\n",
                    (long)atomic_long_read(&perf_stats.thinint_inbound_loop2));
+        seq_printf(m, "QEBSM EQBS total/incomplete\t\t\t: %li/%li\n",
+                   (long)atomic_long_read(&perf_stats.debug_eqbs_all),
+                   (long)atomic_long_read(&perf_stats.debug_eqbs_incomplete));
+        seq_printf(m, "QEBSM SQBS total/incomplete\t\t\t: %li/%li\n",
+                   (long)atomic_long_read(&perf_stats.debug_sqbs_all),
+                   (long)atomic_long_read(&perf_stats.debug_sqbs_incomplete));
         seq_printf(m, "\n");
         return 0;
 }
diff --git a/drivers/s390/cio/qdio_perf.h b/drivers/s390/cio/qdio_perf.h
index 5c406a8b7387..d16c1c67160f 100644
--- a/drivers/s390/cio/qdio_perf.h
+++ b/drivers/s390/cio/qdio_perf.h
@@ -40,6 +40,10 @@ struct qdio_perf_stats {
         /* for debugging */
         atomic_long_t debug_tl_out_timer;
         atomic_long_t debug_stop_polling;
+        atomic_long_t debug_eqbs_all;
+        atomic_long_t debug_eqbs_incomplete;
+        atomic_long_t debug_sqbs_all;
+        atomic_long_t debug_sqbs_incomplete;
 };
 
 extern struct qdio_perf_stats perf_stats;