diff --git a/src/core/lib/debug/stats_data.c b/src/core/lib/debug/stats_data.c
index c0aec63c1d3..41d9e95e294 100644
--- a/src/core/lib/debug/stats_data.c
+++ b/src/core/lib/debug/stats_data.c
@@ -111,6 +111,7 @@ const char *grpc_stats_counter_name[GRPC_STATS_COUNTER_COUNT] = {
     "executor_push_retries",
     "server_requested_calls",
     "server_slowpath_requests_queued",
+    "cq_failed_queue_trylocks",
 };
 const char *grpc_stats_counter_doc[GRPC_STATS_COUNTER_COUNT] = {
     "Number of client side calls created by this process",
@@ -220,6 +221,8 @@ const char *grpc_stats_counter_doc[GRPC_STATS_COUNTER_COUNT] = {
     "How many calls were requested (not necessarily received) by the server",
     "How many times was the server slow path taken (indicates too few "
     "outstanding requests)",
+    "Number of lock (trylock) acquisition failures on completion queue event "
+    "queue. High value here indicates high contention on completion queues",
 };
 const char *grpc_stats_histogram_name[GRPC_STATS_HISTOGRAM_COUNT] = {
     "call_initial_size",
diff --git a/src/core/lib/debug/stats_data.h b/src/core/lib/debug/stats_data.h
index 28dab00117b..0a2b323bdfa 100644
--- a/src/core/lib/debug/stats_data.h
+++ b/src/core/lib/debug/stats_data.h
@@ -113,6 +113,7 @@ typedef enum {
   GRPC_STATS_COUNTER_EXECUTOR_PUSH_RETRIES,
   GRPC_STATS_COUNTER_SERVER_REQUESTED_CALLS,
   GRPC_STATS_COUNTER_SERVER_SLOWPATH_REQUESTS_QUEUED,
+  GRPC_STATS_COUNTER_CQ_FAILED_QUEUE_TRYLOCKS,
   GRPC_STATS_COUNTER_COUNT
 } grpc_stats_counters;
 extern const char *grpc_stats_counter_name[GRPC_STATS_COUNTER_COUNT];
@@ -417,6 +418,9 @@ typedef enum {
 #define GRPC_STATS_INC_SERVER_SLOWPATH_REQUESTS_QUEUED(exec_ctx) \
   GRPC_STATS_INC_COUNTER((exec_ctx),                             \
                          GRPC_STATS_COUNTER_SERVER_SLOWPATH_REQUESTS_QUEUED)
+#define GRPC_STATS_INC_CQ_FAILED_QUEUE_TRYLOCKS(exec_ctx) \
+  GRPC_STATS_INC_COUNTER((exec_ctx),                      \
+                         GRPC_STATS_COUNTER_CQ_FAILED_QUEUE_TRYLOCKS)
 #define GRPC_STATS_INC_CALL_INITIAL_SIZE(exec_ctx, value) \
   grpc_stats_inc_call_initial_size((exec_ctx), (int)(value))
 void grpc_stats_inc_call_initial_size(grpc_exec_ctx *exec_ctx, int x);
diff --git a/src/core/lib/debug/stats_data.yaml b/src/core/lib/debug/stats_data.yaml
index b5c15ff55c0..5efe3532000 100644
--- a/src/core/lib/debug/stats_data.yaml
+++ b/src/core/lib/debug/stats_data.yaml
@@ -270,3 +270,7 @@
 - counter: server_slowpath_requests_queued
   doc: How many times was the server slow path taken (indicates too few
        outstanding requests)
+# cq
+- counter: cq_failed_queue_trylocks
+  doc: Number of lock (trylock) acquisition failures on completion queue event
+       queue. High value here indicates high contention on completion queues
diff --git a/src/core/lib/debug/stats_data_bq_schema.sql b/src/core/lib/debug/stats_data_bq_schema.sql
index f96e40c00ef..6ad58e2530d 100644
--- a/src/core/lib/debug/stats_data_bq_schema.sql
+++ b/src/core/lib/debug/stats_data_bq_schema.sql
@@ -85,4 +85,5 @@ executor_wakeup_initiated_per_iteration:FLOAT,
 executor_queue_drained_per_iteration:FLOAT,
 executor_push_retries_per_iteration:FLOAT,
 server_requested_calls_per_iteration:FLOAT,
-server_slowpath_requests_queued_per_iteration:FLOAT
+server_slowpath_requests_queued_per_iteration:FLOAT,
+cq_failed_queue_trylocks_per_iteration:FLOAT
diff --git a/src/core/lib/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c
index fed66e3a209..037b10e8486 100644
--- a/src/core/lib/surface/completion_queue.c
+++ b/src/core/lib/surface/completion_queue.c
@@ -378,6 +378,10 @@ static grpc_cq_completion *cq_event_queue_pop(grpc_cq_event_queue *q) {
   if (gpr_spinlock_trylock(&q->queue_lock)) {
     c = (grpc_cq_completion *)gpr_mpscq_pop(&q->queue);
     gpr_spinlock_unlock(&q->queue_lock);
+  } else {
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+    GRPC_STATS_INC_CQ_FAILED_QUEUE_TRYLOCKS(&exec_ctx);
+    grpc_exec_ctx_finish(&exec_ctx);
   }
 
   if (c) {
diff --git a/tools/run_tests/performance/massage_qps_stats.py b/tools/run_tests/performance/massage_qps_stats.py
index 9b9355308a3..49d165d94f6 100644
--- a/tools/run_tests/performance/massage_qps_stats.py
+++ b/tools/run_tests/performance/massage_qps_stats.py
@@ -108,6 +108,7 @@ def massage_qps_stats(scenario_result):
     stats["core_executor_push_retries"] = massage_qps_stats_helpers.counter(core_stats, "executor_push_retries")
     stats["core_server_requested_calls"] = massage_qps_stats_helpers.counter(core_stats, "server_requested_calls")
     stats["core_server_slowpath_requests_queued"] = massage_qps_stats_helpers.counter(core_stats, "server_slowpath_requests_queued")
+    stats["core_cq_failed_queue_trylocks"] = massage_qps_stats_helpers.counter(core_stats, "cq_failed_queue_trylocks")
     h = massage_qps_stats_helpers.histogram(core_stats, "call_initial_size")
     stats["core_call_initial_size"] = ",".join("%f" % x for x in h.buckets)
     stats["core_call_initial_size_bkts"] = ",".join("%f" % x for x in h.boundaries)
diff --git a/tools/run_tests/performance/scenario_result_schema.json b/tools/run_tests/performance/scenario_result_schema.json
index 2f0fd916d4f..11d8dba5d3f 100644
--- a/tools/run_tests/performance/scenario_result_schema.json
+++ b/tools/run_tests/performance/scenario_result_schema.json
@@ -550,6 +550,11 @@
         "name": "core_server_slowpath_requests_queued", 
         "type": "INTEGER"
       }, 
+      {
+        "mode": "NULLABLE", 
+        "name": "core_cq_failed_queue_trylocks", 
+        "type": "INTEGER"
+      }, 
       {
         "mode": "NULLABLE", 
         "name": "core_call_initial_size", 
@@ -1342,6 +1347,11 @@
         "name": "core_server_slowpath_requests_queued", 
         "type": "INTEGER"
       }, 
+      {
+        "mode": "NULLABLE", 
+        "name": "core_cq_failed_queue_trylocks", 
+        "type": "INTEGER"
+      }, 
       {
         "mode": "NULLABLE", 
         "name": "core_call_initial_size",