diff --git a/app/modules/Profiler/Interfaces/Queries/FindFlameChartByUuidHandler.php b/app/modules/Profiler/Interfaces/Queries/FindFlameChartByUuidHandler.php
index b4b734c..e95c134 100644
--- a/app/modules/Profiler/Interfaces/Queries/FindFlameChartByUuidHandler.php
+++ b/app/modules/Profiler/Interfaces/Queries/FindFlameChartByUuidHandler.php
@@ -34,7 +34,8 @@ public function __invoke(FindFlameChartByUuid $query): array
 
         $waterfall = [];
         $eventCache = [];
-        $metric = 'cpu';
+        // TODO: send metric from the frontend side
+        $metric = 'wt';
 
         foreach ($edges as $edge) {
             $duration = $edge->getCost()->{$metric} ?? 0;
diff --git a/app/modules/Profiler/Interfaces/Queries/FindTopFunctionsByUuidHandler.php b/app/modules/Profiler/Interfaces/Queries/FindTopFunctionsByUuidHandler.php
index 2d0863d..21d10fe 100644
--- a/app/modules/Profiler/Interfaces/Queries/FindTopFunctionsByUuidHandler.php
+++ b/app/modules/Profiler/Interfaces/Queries/FindTopFunctionsByUuidHandler.php
@@ -83,11 +83,11 @@ public function __invoke(FindTopFunctionsByUuid $query): array
         foreach ($functions as $function => $m) {
             foreach ($metrics as $metric) {
                 $functions[$function]['p_' . $metric] = \round(
-                    $functions[$function][$metric] / $overallTotals[$metric] * 100,
+                    $functions[$function][$metric] > 0 ? $functions[$function][$metric] / $overallTotals[$metric] * 100 : 0,
                     3,
                 );
                 $functions[$function]['p_excl_' . $metric] = \round(
-                    $functions[$function]['excl_' . $metric] / $overallTotals[$metric] * 100,
+                    $functions[$function]['excl_' . $metric] > 0 ? $functions[$function]['excl_' . $metric] / $overallTotals[$metric] * 100 : 0,
                     3,
                 );
             }