private static EventPipeConfiguration GetConfiguration()
{
// Create a new configuration object.
EventPipeConfiguration config = new EventPipeConfiguration(
GetDisambiguatedTraceFilePath(Config_EventPipeOutputFile),
Config_EventPipeCircularMB);
// Get the configuration.
string strConfig = Config_EventPipeConfig;
if (!string.IsNullOrEmpty(strConfig))
{
// String must be of the form "providerName:keywords:level,providerName:keywords:level..."
string[] providers = strConfig.Split(ProviderConfigDelimiter);
foreach (string provider in providers)
{
string[] components = provider.Split(ConfigComponentDelimiter);
if (components.Length == 3)
{
string providerName = components[0];
// We use a try/catch block here because ulong.TryParse won't accept 0x at the beginning
// of a hex string. Thus, we either need to conditionally strip it or handle the exception.
// Given that this is not a perf-critical path, catching the exception is the simpler code.
ulong keywords = 0;
try
{
keywords = Convert.ToUInt64(components[1], 16);
}
catch { }
uint level;
if (!uint.TryParse(components[2], out level))
{
level = 0;
}
config.EnableProvider(providerName, keywords, level);
}
}
}
else
{
// Specify the default configuration.
config.EnableProviderRange(DefaultProviderConfiguration);
}
return(config);
}
private static void SetProviderConfiguration(string strConfig, EventPipeConfiguration config)
{
if (string.IsNullOrEmpty(strConfig))
{
throw new ArgumentNullException(nameof(strConfig));
}
// String must be of the form "providerName:keywords:level,providerName:keywords:level..."
string[] providers = strConfig.Split(ProviderConfigDelimiter);
foreach (string provider in providers)
{
string[] components = provider.Split(ConfigComponentDelimiter);
if (components.Length == 3)
{
string providerName = components[0];
// We use a try/catch block here because ulong.TryParse won't accept 0x at the beginning
// of a hex string. Thus, we either need to conditionally strip it or handle the exception.
// Given that this is not a perf-critical path, catching the exception is the simpler code.
ulong keywords = 0;
try
{
keywords = Convert.ToUInt64(components[1], 16);
}
catch { }
uint level;
if (!uint.TryParse(components[2], out level))
{
level = 0;
}
config.EnableProvider(providerName, keywords, level);
}
}
}
