From 71ff2d717798f1f314b97d97dfbc2b859fb47ae3 Mon Sep 17 00:00:00 2001
From: Stefan Karlsson <stefank@openjdk.org>
Date: Tue, 13 Feb 2024 12:59:42 +0000
Subject: [PATCH] 8325616: JFR ZGC Allocation Stall events should record stack
 traces

Reviewed-by: eosterlund, tschatzl, egahlin
---
 src/hotspot/share/jfr/metadata/metadata.xml | 2 +-
 src/jdk.jfr/share/conf/jfr/default.jfc      | 1 +
 src/jdk.jfr/share/conf/jfr/profile.jfc      | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hotspot/share/jfr/metadata/metadata.xml b/src/hotspot/share/jfr/metadata/metadata.xml
index 34925674f8a..78cd95840b2 100644
--- a/src/hotspot/share/jfr/metadata/metadata.xml
+++ b/src/hotspot/share/jfr/metadata/metadata.xml
@@ -1138,7 +1138,7 @@
     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />
   </Event>
 
-  <Event name="ZAllocationStall" category="Java Virtual Machine, GC, Detailed" label="ZGC Allocation Stall" description="Time spent waiting for memory to become available" thread="true">
+  <Event name="ZAllocationStall" category="Java Virtual Machine, GC, Detailed" label="ZGC Allocation Stall" description="Time spent waiting for memory to become available" thread="true" stackTrace="true">
     <Field type="ZPageTypeType" name="type" label="Type" />
     <Field type="ulong" contentType="bytes" name="size" label="Size" />
   </Event>
diff --git a/src/jdk.jfr/share/conf/jfr/default.jfc b/src/jdk.jfr/share/conf/jfr/default.jfc
index cd6d45bf285..1ea936ae20d 100644
--- a/src/jdk.jfr/share/conf/jfr/default.jfc
+++ b/src/jdk.jfr/share/conf/jfr/default.jfc
@@ -833,6 +833,7 @@
 
     <event name="jdk.ZAllocationStall">
       <setting name="enabled">true</setting>
+      <setting name="stackTrace">true</setting>
       <setting name="threshold">0 ms</setting>
     </event>
 
diff --git a/src/jdk.jfr/share/conf/jfr/profile.jfc b/src/jdk.jfr/share/conf/jfr/profile.jfc
index dc9c5c326f2..0b018d33058 100644
--- a/src/jdk.jfr/share/conf/jfr/profile.jfc
+++ b/src/jdk.jfr/share/conf/jfr/profile.jfc
@@ -833,6 +833,7 @@
 
     <event name="jdk.ZAllocationStall">
       <setting name="enabled">true</setting>
+      <setting name="stackTrace">true</setting>
       <setting name="threshold">0 ms</setting>
     </event>