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checking android cpu info files #131129

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checking android cpu info files #131129

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4028e60
test android cpu files
Jul 21, 2026
8cec4fe
not native aot only
Jul 21, 2026
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28 changes: 28 additions & 0 deletions src/libraries/System.Threading.ThreadPool/tests/ThreadPoolTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -608,6 +608,34 @@ public static void RunProcessorCountItemsInParallel()
public static void ThreadPoolCanPickUpOneOrMoreWorkItemsWhenThreadIsAvailable()
{
int processorCount = Environment.ProcessorCount;

Console.WriteLine($"Environment.ProcessorCount = {Environment.ProcessorCount}");
Console.WriteLine($"GCSettings.IsServerGC = {System.Runtime.GCSettings.IsServerGC}");
Console.WriteLine($"OperatingSystem.IsAndroid = {OperatingSystem.IsAndroid()}");

foreach (string entry in new[] { "possible", "present", "online", "offline" })
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{
string path = $"/sys/devices/system/cpu/{entry}";
try
{
string value = System.IO.File.Exists(path)
? System.IO.File.ReadAllText(path).Trim()
: "<not present>";
Console.WriteLine($"{path} = {value}");
}
catch (Exception ex)
{
Console.WriteLine($"{path} = <error: {ex.GetType().Name}: {ex.Message}>");
}
}

Console.WriteLine("=====================================================");

if (OperatingSystem.IsAndroid())
{
throw new Exception("Just fail on android");
}
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AutoResetEvent allBlockingWorkItemsStarted = new AutoResetEvent(false);
AutoResetEvent allTestWorkItemsStarted = new AutoResetEvent(false);
ManualResetEvent unblockWorkItems = new ManualResetEvent(false);
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26 changes: 26 additions & 0 deletions src/tests/nativeaot/SmokeTests/Exceptions/Exceptions.cs
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Expand Up @@ -26,6 +26,32 @@ public BringUpTest()

public static int Main()
{
Console.WriteLine($"Environment.ProcessorCount = {Environment.ProcessorCount}");
Console.WriteLine($"GCSettings.IsServerGC = {System.Runtime.GCSettings.IsServerGC}");
Console.WriteLine($"OperatingSystem.IsAndroid = {OperatingSystem.IsAndroid()}");

foreach (string entry in new[] { "possible", "present", "online", "offline" })
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eduardo-vp marked this conversation as resolved.
{
string path = $"/sys/devices/system/cpu/{entry}";
try
{
string value = System.IO.File.Exists(path)
? System.IO.File.ReadAllText(path).Trim()
: "<not present>";
Console.WriteLine($"{path} = {value}");
}
catch (Exception ex)
{
Console.WriteLine($"{path} = <error: {ex.GetType().Name}: {ex.Message}>");
}
}

Console.WriteLine("=====================================================");

if (OperatingSystem.IsAndroid())
{
return 42;
}

// This test also doubles as server GC test
if (Environment.ProcessorCount > 1 && !System.Runtime.GCSettings.IsServerGC)
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