common: add perf counters description

Signed-off-by: Kiseleva Alyona <akiselyova@mirantis.com>

diff --git a/src/common/Mutex.cc b/src/common/Mutex.cc
index a0c1202183dcdc0ac42c74df8893a59539289bb3..40850e46e1dabd85b137888de534b4f8e092577a 100644 (file)
--- a/src/common/Mutex.cc
+++ b/src/common/Mutex.cc
@@ -29,7 +29,7 @@ Mutex::Mutex(const char *n, bool r, bool ld,
   if (cct) {
     PerfCountersBuilder b(cct, string("mutex-") + name,
                          l_mutex_first, l_mutex_last);
-    b.add_time_avg(l_mutex_wait, "wait");
+    b.add_time_avg(l_mutex_wait, "wait", "Average time of mutex in locked state");
     logger = b.create_perf_counters();
     cct->get_perfcounters_collection()->add(logger);
     logger->set(l_mutex_wait, 0);

diff --git a/src/mon/Monitor.cc b/src/mon/Monitor.cc
index 39dfc73c09a93f55625237d47913f7055f8ee166..3b65f9e42409735f2bdb6ba49580463b8ca08755 100644 (file)
--- a/src/mon/Monitor.cc
+++ b/src/mon/Monitor.cc
@@ -536,14 +536,14 @@ int Monitor::preinit()
   assert(!logger);
   {
     PerfCountersBuilder pcb(g_ceph_context, "mon", l_mon_first, l_mon_last);
-    pcb.add_u64(l_mon_num_sessions, "num_sessions");
-    pcb.add_u64_counter(l_mon_session_add, "session_add");
-    pcb.add_u64_counter(l_mon_session_rm, "session_rm");
-    pcb.add_u64_counter(l_mon_session_trim, "session_trim");
-    pcb.add_u64_counter(l_mon_num_elections, "num_elections");
-    pcb.add_u64_counter(l_mon_election_call, "election_call");
-    pcb.add_u64_counter(l_mon_election_win, "election_win");
-    pcb.add_u64_counter(l_mon_election_lose, "election_lose");
+    pcb.add_u64(l_mon_num_sessions, "num_sessions", "Current number of opened monitor sessions");
+    pcb.add_u64_counter(l_mon_session_add, "session_add", "Number of created monitor sessions");
+    pcb.add_u64_counter(l_mon_session_rm, "session_rm", "Number of remove_session calls in monitor");
+    pcb.add_u64_counter(l_mon_session_trim, "session_trim", "Number of trimed monitor sessions");
+    pcb.add_u64_counter(l_mon_num_elections, "num_elections", "Number of elections monitor took part in");
+    pcb.add_u64_counter(l_mon_election_call, "election_call", "Number of elections started by monitor");
+    pcb.add_u64_counter(l_mon_election_win, "election_win", "Number of elections won by monitor");
+    pcb.add_u64_counter(l_mon_election_lose, "election_lose", "Number of elections lost by monitor");
     logger = pcb.create_perf_counters();
     cct->get_perfcounters_collection()->add(logger);
   }
@@ -551,29 +551,29 @@ int Monitor::preinit()
   assert(!cluster_logger);
   {
     PerfCountersBuilder pcb(g_ceph_context, "cluster", l_cluster_first, l_cluster_last);
-    pcb.add_u64(l_cluster_num_mon, "num_mon");
-    pcb.add_u64(l_cluster_num_mon_quorum, "num_mon_quorum");
-    pcb.add_u64(l_cluster_num_osd, "num_osd");
-    pcb.add_u64(l_cluster_num_osd_up, "num_osd_up");
-    pcb.add_u64(l_cluster_num_osd_in, "num_osd_in");
-    pcb.add_u64(l_cluster_osd_epoch, "osd_epoch");
-    pcb.add_u64(l_cluster_osd_bytes, "osd_bytes");
-    pcb.add_u64(l_cluster_osd_bytes_used, "osd_bytes_used");
-    pcb.add_u64(l_cluster_osd_bytes_avail, "osd_bytes_avail");
-    pcb.add_u64(l_cluster_num_pool, "num_pool");
-    pcb.add_u64(l_cluster_num_pg, "num_pg");
-    pcb.add_u64(l_cluster_num_pg_active_clean, "num_pg_active_clean");
-    pcb.add_u64(l_cluster_num_pg_active, "num_pg_active");
-    pcb.add_u64(l_cluster_num_pg_peering, "num_pg_peering");
-    pcb.add_u64(l_cluster_num_object, "num_object");
-    pcb.add_u64(l_cluster_num_object_degraded, "num_object_degraded");
-    pcb.add_u64(l_cluster_num_object_misplaced, "num_object_misplaced");
-    pcb.add_u64(l_cluster_num_object_unfound, "num_object_unfound");
-    pcb.add_u64(l_cluster_num_bytes, "num_bytes");
-    pcb.add_u64(l_cluster_num_mds_up, "num_mds_up");
-    pcb.add_u64(l_cluster_num_mds_in, "num_mds_in");
-    pcb.add_u64(l_cluster_num_mds_failed, "num_mds_failed");
-    pcb.add_u64(l_cluster_mds_epoch, "mds_epoch");
+    pcb.add_u64(l_cluster_num_mon, "num_mon", "Number of monitors, registered on cluster");
+    pcb.add_u64(l_cluster_num_mon_quorum, "num_mon_quorum", "Number of monitors in quorum");
+    pcb.add_u64(l_cluster_num_osd, "num_osd", "Total number of OSD");
+    pcb.add_u64(l_cluster_num_osd_up, "num_osd_up", "Number of OSDs that are up");
+    pcb.add_u64(l_cluster_num_osd_in, "num_osd_in", "Number of OSD in state \"in\" (they are in cluster)");
+    pcb.add_u64(l_cluster_osd_epoch, "osd_epoch", "Current epoch of OSD map");
+    pcb.add_u64(l_cluster_osd_bytes, "osd_bytes", "Total capacity of cluster in bytes");
+    pcb.add_u64(l_cluster_osd_bytes_used, "osd_bytes_used", "Number of used bytes on cluster");
+    pcb.add_u64(l_cluster_osd_bytes_avail, "osd_bytes_avail", "Number of available bytes on cluster");
+    pcb.add_u64(l_cluster_num_pool, "num_pool", "Number of pools");
+    pcb.add_u64(l_cluster_num_pg, "num_pg", "Total number of placement groups");
+    pcb.add_u64(l_cluster_num_pg_active_clean, "num_pg_active_clean", "Number of placement groups in active+clean state");
+    pcb.add_u64(l_cluster_num_pg_active, "num_pg_active", "Number of placement groups in active state");
+    pcb.add_u64(l_cluster_num_pg_peering, "num_pg_peering", "Number of placement groups in peering state");
+    pcb.add_u64(l_cluster_num_object, "num_object", "Total number of objects on cluster");
+    pcb.add_u64(l_cluster_num_object_degraded, "num_object_degraded", "Number of degraded (missing replicas) objects");
+    pcb.add_u64(l_cluster_num_object_misplaced, "num_object_misplaced", "Number of misplaced (wrong location in the cluster) objects");
+    pcb.add_u64(l_cluster_num_object_unfound, "num_object_unfound", "Number of unfound objects");
+    pcb.add_u64(l_cluster_num_bytes, "num_bytes", "Total number of bytes of all objects");
+    pcb.add_u64(l_cluster_num_mds_up, "num_mds_up", "Number of MDSs that are up");
+    pcb.add_u64(l_cluster_num_mds_in, "num_mds_in", "Number of MDS in state \"in\" (they are in cluster)");
+    pcb.add_u64(l_cluster_num_mds_failed, "num_mds_failed", "Number of failed MDS");
+    pcb.add_u64(l_cluster_mds_epoch, "mds_epoch", "Current epoch of MDS map");
     cluster_logger = pcb.create_perf_counters();
   }