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devops: run Windows CI tests at normal I/O priority #2026

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Merged
Pavel Feldman (pavelfeldman) merged 1 commit into from
Oct 28, 2026
Merged

devops: run Windows CI tests at normal I/O priority #2026

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12 changes: 9 additions & 3 deletions .github/workflows/test.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -34,11 +34,15 @@ jobs:
- name: Install browsers
run: mvn exec:java -e -D exec.mainClass=com.microsoft.playwright.CLI -D exec.args="install --with-deps" -f playwright/pom.xml --no-transfer-progress
- name: Run tests
run: ${{ runner.os == 'Linux' && 'xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24"' || '' }} mvn test --no-transfer-progress --fail-at-end ${{ runner.os == 'Windows' && '-D junit.parallel.factor=0.25' || '' }} -D org.slf4j.simpleLogger.showDateTime=true -D org.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss
run: |
${{ runner.os == 'Windows' && '. ./scripts/windows-normal-io.ps1' || '' }}
${{ runner.os == 'Linux' && 'xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24"' || '' }} mvn test --no-transfer-progress --fail-at-end ${{ runner.os == 'Windows' && '-D junit.parallel.factor=0.25' || '' }} -D org.slf4j.simpleLogger.showDateTime=true -D org.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss
env:
BROWSER: ${{ matrix.browser }}
- name: Run tracing tests w/ sources
run: ${{ runner.os == 'Linux' && 'xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24"' || '' }} mvn test --no-transfer-progress --fail-at-end --projects=playwright -D test=*TestTracing* -D org.slf4j.simpleLogger.showDateTime=true -D org.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss
run: |
${{ runner.os == 'Windows' && '. ./scripts/windows-normal-io.ps1' || '' }}
${{ runner.os == 'Linux' && 'xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24"' || '' }} mvn test --no-transfer-progress --fail-at-end --projects=playwright -D test=*TestTracing* -D org.slf4j.simpleLogger.showDateTime=true -D org.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss
env:
BROWSER: ${{ matrix.browser }}
PLAYWRIGHT_JAVA_SRC: src/test/java
Expand Down Expand Up @@ -81,7 +85,9 @@ jobs:
- name: Install browsers
run: mvn exec:java -e -D exec.mainClass=com.microsoft.playwright.CLI -D exec.args="install --with-deps" -f playwright/pom.xml --no-transfer-progress
- name: Run tests
run: ${{ runner.os == 'Linux' && 'xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24"' || '' }} mvn test --no-transfer-progress --fail-at-end ${{ runner.os == 'Windows' && '-D junit.parallel.factor=0.25' || '' }} -D org.slf4j.simpleLogger.showDateTime=true -D org.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss
run: |
${{ runner.os == 'Windows' && '. ./scripts/windows-normal-io.ps1' || '' }}
${{ runner.os == 'Linux' && 'xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24"' || '' }} mvn test --no-transfer-progress --fail-at-end ${{ runner.os == 'Windows' && '-D junit.parallel.factor=0.25' || '' }} -D org.slf4j.simpleLogger.showDateTime=true -D org.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss
env:
BROWSER: chromium
BROWSER_CHANNEL: ${{ matrix.browser-channel }}
Expand Down
44 changes: 44 additions & 0 deletions scripts/windows-normal-io.ps1
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Original file line number Diff line number Diff line change
@@ -0,0 +1,44 @@
# Dot-source at the start of a Windows test step: the self-hosted runner starts steps at
# I/O priority Low, which the driver and the browsers inherit, and Firefox storage flushes
# then stall until tests time out. See https://github.com/microsoft/playwright/issues/43704.

$ErrorActionPreference = 'Stop'

Add-Type -TypeDefinition @'
using System;
using System.Runtime.InteropServices;

public static class TestProcessIOPriority {
[DllImport("ntdll.dll")]
public static extern int NtSetInformationProcess(
IntPtr process, int informationClass, ref int information, int size);

[DllImport("ntdll.dll")]
public static extern int NtQueryInformationProcess(
IntPtr process, int informationClass, out int information, int size, out int length);
}
'@

$priority = 0
$length = 0
$status = [TestProcessIOPriority]::NtQueryInformationProcess(
[IntPtr](-1), 33, [ref]$priority, 4, [ref]$length)
if ($status -ne 0) {
throw ('Reading I/O priority failed: NTSTATUS 0x{0:X8}' -f $status)
}
$inheritedPriority = $priority
$priority = 2
$status = [TestProcessIOPriority]::NtSetInformationProcess(
[IntPtr](-1), 33, [ref]$priority, 4)
if ($status -ne 0) {
throw ('Setting normal I/O priority failed: NTSTATUS 0x{0:X8}' -f $status)
}
$status = [TestProcessIOPriority]::NtQueryInformationProcess(
[IntPtr](-1), 33, [ref]$priority, 4, [ref]$length)
if ($status -ne 0) {
throw ('Reading I/O priority failed: NTSTATUS 0x{0:X8}' -f $status)
}
if ($priority -ne 2) {
throw "Expected normal I/O priority (2), got $priority"
}
Write-Host "Test launcher I/O priority: $inheritedPriority -> $priority (Normal)"
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