internal static async Task <ProfileResultInfo> StartProfileAsync(int processId, ITracer tracer = null, bool iisProfiling = false)
{
tracer = tracer ?? NullTracer.Instance;
using (tracer.Step("ProfileManager.StartProfileAsync"))
{
// Check if the profiling is already running for the given process. If it does, then just return with 200.
if (_profilingList.ContainsKey(processId))
{
return(new ProfileResultInfo(HttpStatusCode.OK, string.Empty));
}
int profilingSessionId = GetNextProfilingSessionId();
ProfileResultInfo profileProcessResponse = null;
if (iisProfiling)
{
profileProcessResponse = await StartIisSessionAsync(processId, profilingSessionId, tracer);
}
else
{
string arguments;
// This is temp fix while we are in process of retiring Windows 2012 server.
if (Environment.OSVersion.Version.Major < 10)
{
arguments = System.Environment.ExpandEnvironmentVariables(string.Format("start {0} /attach:{1} /loadAgent:{2};DiagnosticsHub.CpuAgent.dll /scratchLocation:%LOCAL_EXPANDED%\\Temp", profilingSessionId, processId, DiagnosticsHubAgentGuid));
}
else
{
arguments = System.Environment.ExpandEnvironmentVariables(string.Format("start {0} /attach:{1} /loadAgent:{2};DiagnosticsHub.CpuAgent.dll;{{\\\"collectNgenPdbs\\\":false}} /scratchLocation:%LOCAL_EXPANDED%\\Temp", profilingSessionId, processId, DiagnosticsHubAgentGuid));
}
profileProcessResponse = await ExecuteProfilingCommandAsync(arguments, tracer);
}
if (profileProcessResponse.StatusCode != HttpStatusCode.OK)
{
return(profileProcessResponse);
}
// This may fail if we got 2 requests at the same time to start a profiling session
// in that case, only 1 will be added and the other one will be stopped.
if (!_profilingList.TryAdd(processId, new ProfileInfo(profilingSessionId, iisProfiling)))
{
tracer.TraceWarning("A profiling session was already running for process {0}, stopping profiling session {1}", processId, profilingSessionId);
await StopProfileInternalAsync(processId, profilingSessionId, true, tracer, iisProfiling);
return(new ProfileResultInfo(HttpStatusCode.OK, string.Empty));
}
tracer.Step("started session id: {0} for pid: {1}", profilingSessionId, processId);
EnsureIdleTimer(iisProfiling);
return(new ProfileResultInfo(HttpStatusCode.OK, string.Empty));
}
}
internal static ProfileResultInfo StartProfile(int processId, bool iisProfiling = true, int[] additionaProcessIds = null)
{
Logger.LogInfo("ProfileManager.StartProfile");
// Check if the profiling is already running for the given process. If it does, then just return with 200.
if (_profilingList.ContainsKey(processId))
{
return(new ProfileResultInfo(HttpStatusCode.OK, string.Empty));
}
int profilingSessionId = GetNextProfilingSessionId();
ProfileResultInfo profileProcessResponse = null;
if (iisProfiling)
{
profileProcessResponse = StartIisSession(processId, profilingSessionId, additionaProcessIds);
}
else
{
string arguments = Environment.ExpandEnvironmentVariables(string.Format("start {0} /attach:{1} /loadAgent:{2};DiagnosticsHub.CpuAgent.dll;{{\\\"collectNgenPdbs\\\":false}} /scratchLocation:%LOCAL_EXPANDED%\\Temp", profilingSessionId, processId, DiagnosticsHubAgentGuid));
profileProcessResponse = ExecuteProfilingCommand(arguments);
}
if (profileProcessResponse.StatusCode != HttpStatusCode.OK)
{
return(profileProcessResponse);
}
// This may fail if we got 2 requests at the same time to start a profiling session
// in that case, only 1 will be added and the other one will be stopped.
if (!_profilingList.TryAdd(processId, new ProfileInfo(profilingSessionId, true)))
{
Logger.LogDiagnoserVerboseEvent(string.Format("WARNING:A profiling session was already running for process {0}, stopping profiling session {1}", processId, profilingSessionId));
StopProfileInternal(processId, profilingSessionId);
return(new ProfileResultInfo(HttpStatusCode.OK, string.Empty));
}
Logger.LogInfo(string.Format("started session id: {0} for pid: {1}", profilingSessionId, processId));
return(new ProfileResultInfo(HttpStatusCode.OK, string.Empty));
}
