mds: add metric debug log in refresh_subvolume_metrics_for_rank()

Resolves: ISCE-2037

Signed-off-by: Venky Shankar <vshankar@redhat.com>
(cherry picked from commit d2360189a08b7a3b1d5547cbe79302c9cb16d1bc)
(cherry picked from commit 688e8c361de73306e58e15795b9bec6f75c128cc)

diff --git a/src/mds/MetricAggregator.cc b/src/mds/MetricAggregator.cc
index 4ae52dcdf4fce810289731cfafb3830fa870467a..6ab4096f4669b481e7d028d5d7f345faf20b14e8 100644 (file)
--- a/src/mds/MetricAggregator.cc
+++ b/src/mds/MetricAggregator.cc
@@ -168,6 +168,7 @@ Dispatcher::dispatch_result_t MetricAggregator::ms_dispatch2(const ref_t<Message
 void MetricAggregator::refresh_subvolume_metrics_for_rank(
         mds_rank_t rank, const std::vector<SubvolumeMetric> &metrics) {
   for (const auto &m : metrics) {
+    dout(20) << ": subvolume_metric=" << m << dendl;
     // Register labeled PerfCounters if needed
     if (!subvolume_perf_counters.contains(m.subvolume_path)) {
       std::string labels = ceph::perf_counters::key_create(