diff --git a/codex/utils/asyncprofiler/metricscollector.nim b/codex/utils/asyncprofiler/metricscollector.nim
index 1333b3ff..d46cceba 100644
--- a/codex/utils/asyncprofiler/metricscollector.nim
+++ b/codex/utils/asyncprofiler/metricscollector.nim
@@ -73,13 +73,13 @@ when defined(metrics):
         prometheusMetrics[labelValues] = procMetrics
 
       addLabeledMetric(
-        "total_exec_time", metrics.totalExecTime, prometheusMetrics)
+        "chronos_exec_time_total", metrics.totalExecTime, prometheusMetrics)
       addLabeledMetric(
-        "total_run_time", metrics.totalRunTime, prometheusMetrics)
+        "chronos_run_time_total", metrics.totalRunTime, prometheusMetrics)
       addLabeledMetric(
-        "total_wall_time", metrics.totalWallTime, prometheusMetrics)
+        "chronos_wall_time_total", metrics.totalWallTime, prometheusMetrics)
       addLabeledMetric(
-        "max_single_exec_time", metrics.maxSingleTime, prometheusMetrics)
+        "chronos_single_exec_time_max", metrics.maxSingleTime, prometheusMetrics)
 
   proc collectOutlierMetrics(
     self: AsyncProfilerInfo,
@@ -101,13 +101,13 @@ when defined(metrics):
         largestExecTime = metric.totalExecTime
 
     prometheusMetrics[@[]].add(Metric(
-      name: "largest_total_exec_time",
+      name: "chronos_largest_exec_time_total",
       value: largestExecTime.metricValue(),
       timestamp: timestampMillis,
     ))
 
     prometheusMetrics[@[]].add(Metric(
-      name: "largest_max_exec_time",
+      name: "chronos_largest_exec_time_max",
       value: largestMaxExecTime.metricValue(),
       timestamp: timestampMillis,
     ))
diff --git a/tests/codex/utils/asyncprofiler/testmetricscollector.nim b/tests/codex/utils/asyncprofiler/testmetricscollector.nim
index 8cc5e7c1..8cf2151e 100644
--- a/tests/codex/utils/asyncprofiler/testmetricscollector.nim
+++ b/tests/codex/utils/asyncprofiler/testmetricscollector.nim
@@ -59,8 +59,8 @@ checksuite "asyncprofiler metrics collector":
       perfSampler = proc (): MetricsSummary = sample
     )
 
-    check collector.valueByName("largest_total_exec_time") == 91660
-    check collector.valueByName("largest_max_exec_time") == 81660
+    check collector.valueByName("chronos_largest_exec_time_total") == 91660
+    check collector.valueByName("chronos_largest_exec_time_max") == 81660
 
   test "should create labeled series for the k slowest procs in terms of totalExecTime":
     var registry = newRegistry()
@@ -72,14 +72,14 @@ checksuite "asyncprofiler metrics collector":
       perfSampler = proc (): MetricsSummary = sample
     )
 
-    check collector.valueByName("total_exec_time",
+    check collector.valueByName("chronos_exec_time_total",
       labelValues = @["start", "discovery.nim", "192"]) == 91660
-    check collector.valueByName("total_exec_time",
+    check collector.valueByName("chronos_exec_time_total",
       labelValues = @["start", "discovery.nim", "174"]) == 90062
-    check collector.valueByName("total_exec_time",
+    check collector.valueByName("chronos_exec_time_total",
       labelValues = @["update", "sqliteds.nim", "107"]) == 60645
 
     # This is out of the top-k slowest, so should not have been recorded.
     expect system.KeyError:
-      discard collector.valueByName("total_exec_time",
+      discard collector.valueByName("chronos_exec_time_total",
         labelValues = @["query", "manager.nim", "323"])