From 431526ecbc19705755cfca905b2c9a80d7ef4653 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Lorber?= <slorber@users.noreply.github.com>
Date: Mon, 6 Jan 2025 14:13:14 +0100
Subject: [PATCH] fix: perflogger mark detail bug (#10818)

---
 packages/docusaurus-logger/src/perfLogger.ts | 22 +++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/packages/docusaurus-logger/src/perfLogger.ts b/packages/docusaurus-logger/src/perfLogger.ts
index 77b911dd94..7f9575c18c 100644
--- a/packages/docusaurus-logger/src/perfLogger.ts
+++ b/packages/docusaurus-logger/src/perfLogger.ts
@@ -114,12 +114,24 @@ function createPerfLogger(): PerfLoggerAPI {
       },
     });
 
-  const end: PerfLoggerAPI['end'] = (label) => {
-    const {
-      duration,
-      detail: {memoryUsage},
-    } = performance.measure(label);
+  const readMark = (label: string) => {
+    const startMark = performance.getEntriesByName(
+      label,
+      'mark',
+    )?.[0] as PerformanceMark;
+    if (!startMark) {
+      throw new Error(`No performance start mark for label=${label}`);
+    }
     performance.clearMarks(label);
+    return startMark;
+  };
+
+  const end: PerfLoggerAPI['end'] = (label) => {
+    const startMark = readMark(label);
+    const duration = performance.now() - startMark.startTime;
+    const {
+      detail: {memoryUsage},
+    } = startMark;
     printPerfLog({
       label: applyParentPrefix(label),
       duration,