diff --git a/src/Profile.php b/src/Profile.php
index 6bd2cd6..44464b7 100644
--- a/src/Profile.php
+++ b/src/Profile.php
@@ -19,6 +19,7 @@
 final class Profile implements ProcessableProfileInterface, ProfileWithOutputInterface
 {
     private const MICROTIME_FORMAT = '%.6f';
+    private const SORTED_BY_TIME = true;
 
     private ProfileState $state;
     private OptionalFloat $timeBefore;
@@ -126,21 +127,48 @@ public function getMemoryUsageChange(): int
         return $this->memoryUsageAfter->orElseThrow() - $this->memoryUsageBefore->orElseThrow();
     }
 
-    public function getMemoryUsages(): array
+    public function getMemoryUsages(bool $sortedByTime = self::SORTED_BY_TIME): array
     {
-        $memoryUsages = [
-            sprintf(self::MICROTIME_FORMAT, $this->timeBefore->orElseThrow()) => $this->memoryUsageBefore->orElseThrow(),
-            sprintf(self::MICROTIME_FORMAT, $this->timeAfter->orElseThrow()) => $this->memoryUsageAfter->orElseThrow(),
-        ];
-        foreach ($this->children as $child) {
-            $memoryUsages = array_merge(
-                $memoryUsages,
-                $child->getMemoryUsages(),
-            );
-        }
+        return self::expandRecords(
+            [
+                sprintf(self::MICROTIME_FORMAT, $this->timeBefore->orElseThrow()) => $this->memoryUsageBefore->orElseThrow(),
+                sprintf(self::MICROTIME_FORMAT, $this->timeAfter->orElseThrow()) => $this->memoryUsageAfter->orElseThrow(),
+            ],
+            $this->children,
+            __FUNCTION__,
+            [false],
+            sortedByKey: $sortedByTime,
+        );
+    }
 
-        ksort($memoryUsages);
+    /**
+     * @template TRecord of mixed
+     *
+     * @param array<numeric-string, TRecord> $myRecords
+     * @param array<ProfileInterface> $myChildren
+     * @param array<mixed> $args
+     *
+     * @return array<numeric-string, TRecord>
+     */
+    private static function expandRecords(
+        array $myRecords,
+        array $myChildren,
+        string $__function__,
+        array $args,
+        bool $sortedByKey = false,
+    ): array {
+        $expandedRecords = array_merge(
+            $myRecords,
+            ...array_map(
+                static fn (ProfileInterface $child): array => call_user_func_array([$child, $__function__], $args), // @phpstan-ignore argument.type, return.type
+                $myChildren,
+            )
+        );
+
+        if ($sortedByKey) {
+            ksort($expandedRecords);
+        }
 
-        return $memoryUsages;
+        return $expandedRecords;
     }
 }