private bool TryCreateCollector(IConsole console, CollectionConfiguration config, out EventCollector collector)
{
collector = null;
if (Etw)
{
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
console.Error.WriteLine("Error: ETW-based collection is only supported on Windows.");
return(false);
}
if (!string.IsNullOrEmpty(ConfigPath))
{
console.Error.WriteLine("WARNING: The '-c' option is ignored when using ETW-based collection.");
}
collector = new EtwCollector(config);
return(true);
}
else
{
if (File.Exists(ConfigPath))
{
console.Error.WriteLine("Config file already exists, tracing is already underway by a different consumer.");
return(false);
}
collector = new EventPipeCollector(config, ConfigPath);
return(true);
}
}
public async Task <int> OnExecuteAsync(IConsole console, CommandLineApplication app)
{
if (ListProfiles)
{
WriteProfileList(console.Out);
return(0);
}
if (!string.IsNullOrEmpty(KeywordsForProvider))
{
return(ExecuteKeywordsForAsync(console));
}
var config = new CollectionConfiguration()
{
ProcessId = ProcessId,
CircularMB = CircularMB,
OutputPath = string.IsNullOrEmpty(OutputDir) ? Directory.GetCurrentDirectory() : OutputDir
};
if (Profiles != null && Profiles.Count > 0)
{
foreach (var profile in Profiles)
{
if (!KnownData.TryGetProfile(profile, out var collectionProfile))
{
console.Error.WriteLine($"Unknown profile name: '{profile}'. See 'dotnet-collect --list-profiles' to get a list of profiles.");
return(1);
}
config.AddProfile(collectionProfile);
}
}
if (Providers != null && Providers.Count > 0)
{
foreach (var provider in Providers)
{
if (!EventSpec.TryParse(provider, out var spec))
{
console.Error.WriteLine($"Invalid provider specification: '{provider}'. See 'dotnet-collect --help' for more information.");
return(1);
}
config.Providers.Add(spec);
}
}
if (!NoDefault)
{
// Enable the default profile if nothing is specified
if (!KnownData.TryGetProfile(CollectionProfile.DefaultProfileName, out var defaultProfile))
{
console.Error.WriteLine("No providers or profiles were specified and there is no default profile available.");
return(1);
}
config.AddProfile(defaultProfile);
}
if (!TryCreateCollector(console, config, out var collector))
{
return(1);
}
// Write the config file contents
await collector.StartCollectingAsync();
console.WriteLine("Tracing has started. Press Ctrl-C to stop.");
await console.WaitForCtrlCAsync();
await collector.StopCollectingAsync();
console.WriteLine($"Tracing stopped. Trace files written to {config.OutputPath}");
return(0);
}
public EtwCollector(CollectionConfiguration config)
{
_config = config;
}
public EventPipeCollector(CollectionConfiguration config, string configPath)
{
_config = config;
_configPath = configPath;
}