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[v2,11/11] scsi: scsi_debug: Add poll mode deferred completions to statistics

Message ID 20230313084505.1487337-11-john.g.garry@oracle.com
State New
Headers show
Series [v2,01/11] scsi: scsi_debug: Don't hold driver host struct pointer in host->hostdata[] | expand

Commit Message

John Garry March 13, 2023, 8:45 a.m. UTC 
Currently commands completed via poll mode are not included in the
statistics gathering for deferred completions and missed CPUs.

Poll mode completions should be treated the same as other deferred
completion types, so add poll mode completions to the statistics.

Signed-off-by: John Garry <john.g.garry@oracle.com>
---
 drivers/scsi/scsi_debug.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 1463e54179bf..073fc02f9fed 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -7531,6 +7531,13 @@  static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num)
 		}
 		WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_NONE);
 		spin_unlock_irqrestore(&sqp->qc_lock, iflags);
+
+		if (sdebug_statistics) {
+			atomic_inc(&sdebug_completions);
+			if (raw_smp_processor_id() != sd_dp->issuing_cpu)
+				atomic_inc(&sdebug_miss_cpus);
+		}
+
 		scsi_done(scp); /* callback to mid level */
 		num_entries++;
 		spin_lock_irqsave(&sqp->qc_lock, iflags);