Commit 271251f8 authored by Venky Shankar's avatar Venky Shankar Committed by Ilya Dryomov
Browse files

ceph: use tracked average r/w/m latencies to display metrics in debugfs 



Signed-off-by: default avatarVenky Shankar <vshankar@redhat.com>
Reviewed-by: default avatarXiubo Li <xiubli@redhat.com>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 54d7b821

fs/ceph/debugfs.c

+2 −3
Original line number Diff line number Diff line
@@ -175,7 +175,7 @@ static int metrics_latency_show(struct seq_file *s, void *p) 
	struct ceph_fs_client *fsc = s->private;

	struct ceph_client_metric *cm = &fsc->mdsc->metric;

	struct ceph_metric *m;

	s64 total, sum, avg, min, max, sq;

	s64 total, avg, min, max, sq;

	int i;



	seq_printf(s, "item          total       avg_lat(us)     min_lat(us)     max_lat(us)     stdev(us)\n");
@@ -185,8 +185,7 @@ static int metrics_latency_show(struct seq_file *s, void *p) 
		m = &cm->metric[i];

		spin_lock(&m->lock);

		total = m->total;

		sum = m->latency_sum;

		avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0;

		avg = m->latency_avg;

		min = m->latency_min;

		max = m->latency_max;

		sq = m->latency_sq_sum;