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[GR-75880] Support Native Image JFR emergency dumps on Windows #13607

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[GR-75880] Support Native Image JFR emergency dumps on Windows #13607

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71354f4
Enable Windows JFR emergency dumps
thomaswue May 23, 2026
2a50e4c
Run JFR image demo on Windows
thomaswue May 23, 2026
644d106
Share JFR emergency dump support logic
thomaswue May 23, 2026
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2 changes: 1 addition & 1 deletion docs/reference-manual/native-image/JFR.md
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ Otherwise, this option expects a comma-separated list of tag combinations, each

This section outlines the JFR features that are available in Native Image.

On Windows, Native Image supports local JFR recordings written to `.jfr` files. JFR emergency dumps on out-of-memory, remote JMX access to `FlightRecorderMXBean`, and JFR control through `jcmd` are not currently available on Windows.
On Windows, Native Image supports local JFR recordings written to `.jfr` files and JFR emergency dumps on out-of-memory. Remote JMX access to `FlightRecorderMXBean` and JFR control through `jcmd` are not currently available on Windows.

### Method Profiling and Stack Traces

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2 changes: 1 addition & 1 deletion substratevm/mx.substratevm/mx_substratevm.py
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Expand Up @@ -417,7 +417,7 @@ def image_demo_task(extra_image_args=None, flightrecorder=True):
helloworld(image_args + javac_command)
if '--static' not in image_args:
helloworld(image_args + ['--shared']) # Build and run helloworld as shared library
if not mx.is_windows() and flightrecorder:
if flightrecorder:
helloworld(image_args + ['-J-XX:StartFlightRecording=dumponexit=true']) # Build and run helloworld with FlightRecorder at image build time
if '--static' not in image_args:
cinterfacetutorial(extra_image_args)
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19 changes: 18 additions & 1 deletion substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/headers/Time.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013, 2026, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -97,6 +97,23 @@ public interface itimerval extends PointerBase {

@CStruct(addStructKeyword = true)
public interface tm extends PointerBase {
@CField
int tm_sec();

@CField
int tm_min();

@CField
int tm_hour();

@CField
int tm_mday();

@CField
int tm_mon();

@CField
int tm_year();
}

@CEnum
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