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path: root/drivers/s390/cio/qdio_debug.c
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Diffstat (limited to 'drivers/s390/cio/qdio_debug.c')
-rw-r--r--drivers/s390/cio/qdio_debug.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index f49761ff9a0..c94eb2a0fa2 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -60,7 +60,7 @@ static int qstat_show(struct seq_file *m, void *v)
seq_printf(m, "ftc: %d last_move: %d\n", q->first_to_check, q->last_move);
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, "slsb buffer states:\n");
+ seq_printf(m, "SBAL states:\n");
seq_printf(m, "|0 |8 |16 |24 |32 |40 |48 |56 63|\n");
for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; i++) {
@@ -97,6 +97,20 @@ static int qstat_show(struct seq_file *m, void *v)
}
seq_printf(m, "\n");
seq_printf(m, "|64 |72 |80 |88 |96 |104 |112 | 127|\n");
+
+ seq_printf(m, "\nSBAL statistics:");
+ if (!q->irq_ptr->perf_stat_enabled) {
+ seq_printf(m, " disabled\n");
+ return 0;
+ }
+
+ seq_printf(m, "\n1 2.. 4.. 8.. "
+ "16.. 32.. 64.. 127\n");
+ for (i = 0; i < ARRAY_SIZE(q->q_stats.nr_sbals); i++)
+ seq_printf(m, "%-10u ", q->q_stats.nr_sbals[i]);
+ seq_printf(m, "\nError NOP Total\n%-10u %-10u %-10u\n\n",
+ q->q_stats.nr_sbal_error, q->q_stats.nr_sbal_nop,
+ q->q_stats.nr_sbal_total);
return 0;
}
@@ -181,9 +195,10 @@ static ssize_t qperf_seq_write(struct file *file, const char __user *ubuf,
{
struct seq_file *seq = file->private_data;
struct qdio_irq *irq_ptr = seq->private;
+ struct qdio_q *q;
unsigned long val;
char buf[8];
- int ret;
+ int ret, i;
if (!irq_ptr)
return 0;
@@ -201,6 +216,10 @@ static ssize_t qperf_seq_write(struct file *file, const char __user *ubuf,
case 0:
irq_ptr->perf_stat_enabled = 0;
memset(&irq_ptr->perf_stat, 0, sizeof(irq_ptr->perf_stat));
+ for_each_input_queue(irq_ptr, q, i)
+ memset(&q->q_stats, 0, sizeof(q->q_stats));
+ for_each_output_queue(irq_ptr, q, i)
+ memset(&q->q_stats, 0, sizeof(q->q_stats));
break;
case 1:
irq_ptr->perf_stat_enabled = 1;