/// <summary>
/// Run a debuggee and create a dump.
/// </summary>
/// <param name="config">test configuration</param>
/// <param name="output">output instance</param>
/// <param name="testName">name of test</param>
/// <param name="debuggeeName">debuggee name</param>
/// <param name="debuggeeArguments">optional args to pass to debuggee</param>
/// <param name="useCreateDump">if true, use "createdump" to generate core dump</param>
public static async Task CreateDump(TestConfiguration config, ITestOutputHelper output, string testName, string debuggeeName,
string debuggeeArguments = null, bool useCreateDump = true)
{
Directory.CreateDirectory(config.DebuggeeDumpOutputRootDir());
if (!config.CreateDumpExists || !useCreateDump || config.GenerateDumpWithLLDB() || config.GenerateDumpWithGDB())
{
using (SOSRunner runner = await SOSRunner.StartDebugger(config, output, testName, debuggeeName, debuggeeArguments, Options.GenerateDump))
{
try
{
await runner.LoadSosExtension();
string command = null;
switch (runner.Debugger)
{
case SOSRunner.NativeDebugger.Cdb:
await runner.ContinueExecution();
// On desktop create triage dump. On .NET Core, create full dump.
command = config.IsDesktop ? ".dump /o /mshuRp %DUMP_NAME%" : ".dump /o /ma %DUMP_NAME%";
break;
case SOSRunner.NativeDebugger.Gdb:
command = "generate-core-file %DUMP_NAME%";
break;
case SOSRunner.NativeDebugger.Lldb:
await runner.ContinueExecution();
command = "sos CreateDump %DUMP_NAME%";
break;
default:
throw new Exception(runner.Debugger.ToString() + " does not support creating dumps");
}
await runner.RunCommand(command);
await runner.QuitDebugger();
}
catch (Exception ex)
{
runner.WriteLine(ex.ToString());
throw;
}
}
}
else
{
TestRunner.OutputHelper outputHelper = null;
try
{
// Setup the logging from the options in the config file
outputHelper = TestRunner.ConfigureLogging(config, output, testName);
// Restore and build the debuggee. The debuggee name is lower cased because the
// source directory name has been lowercased by the build system.
DebuggeeConfiguration debuggeeConfig = await DebuggeeCompiler.Execute(config, debuggeeName, outputHelper);
outputHelper.WriteLine("Starting {0}", testName);
outputHelper.WriteLine("{");
// Get the full debuggee launch command line (includes the host if required)
string exePath = debuggeeConfig.BinaryExePath;
var arguments = new StringBuilder();
if (!string.IsNullOrWhiteSpace(config.HostExe))
{
exePath = config.HostExe;
if (!string.IsNullOrWhiteSpace(config.HostArgs))
{
arguments.Append(config.HostArgs);
arguments.Append(" ");
}
arguments.Append(debuggeeConfig.BinaryExePath);
}
if (!string.IsNullOrWhiteSpace(debuggeeArguments))
{
arguments.Append(" ");
arguments.Append(debuggeeArguments);
}
// Run the debuggee with the createdump environment variables set to generate a coredump on unhandled exception
var testLogger = new TestRunner.TestLogger(outputHelper.IndentedOutput);
var variables = GenerateVariables(config, debuggeeConfig, Options.GenerateDump);
ProcessRunner processRunner = new ProcessRunner(exePath, ReplaceVariables(variables, arguments.ToString())).
WithLog(testLogger).
WithTimeout(TimeSpan.FromMinutes(5)).
WithEnvironmentVariable("COMPlus_DbgEnableMiniDump", "1").
WithEnvironmentVariable("COMPlus_DbgMiniDumpName", ReplaceVariables(variables, "%DUMP_NAME%"));
processRunner.Start();
// Wait for the debuggee to finish
await processRunner.WaitForExit();
}
catch (Exception ex)
{
// Log the exception
outputHelper?.WriteLine(ex.ToString());
throw;
}
finally
{
outputHelper?.WriteLine("}");
outputHelper?.Dispose();
}
}
}