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Added print_statemachine_diagnostics

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The responder name is now cached in LLURLRequest
(ResponderBase::getName() must return a string literal).
The run time (in the main thread) per state machine is now accumulated
in AIStateMachine (instead of AIEngine::QueueElement).
When AIStateMachine::mainloop runs longer than StateMachineMaxTime
then a warning is printed that now includes the time spent in the
slowest state machine (that frame) and (if it is a LLURLRequest)
what the corresponding responder is. Also the total accumulated run
time of that state machine is printed.

From this is can be concluded that the only responder currently
regularly holding up the main thread is LLMeshLODResponder (mostly 30 to
100 ms, but with spikes in the 1 to 2 second range some times).
This commit is contained in:
Aleric Inglewood
2013-03-08 01:50:02 +01:00
parent e3f4022ffa
commit e8ef74156a
4 changed files with 68 additions and 10 deletions
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32
indra/llmessage/llurlrequest.cpp
View File

@@ -79,7 +79,7 @@ std::string LLURLRequest::actionAsVerb(LLURLRequest::ERequestAction action)
LLURLRequest::LLURLRequest(LLURLRequest::ERequestAction action, std::string const& url, Injector* body,
LLHTTPClient::ResponderPtr responder, AIHTTPHeaders& headers, bool keepalive, bool is_auth, bool no_compression) :
mAction(action), mURL(url), mKeepAlive(keepalive), mIsAuth(is_auth), mNoCompression(no_compression),
mBody(body), mResponder(responder), mHeaders(headers)
mBody(body), mResponder(responder), mHeaders(headers), mResponderNameCache(responder ? responder->getName() : "<uninitialized>")
{
}
@@ -260,3 +260,33 @@ bool LLURLRequest::configure(AICurlEasyRequest_wat const& curlEasyRequest_w)
}
return rv;
}
// Called from AIStateMachine::mainloop, but put here because we don't want to include llurlrequest.h there of course.
void print_statemachine_diagnostics(U64 total_clocks, U64 max_delta, AIEngine::queued_type::const_reference slowest_element)
{
AIStateMachine const& slowest_state_machine = slowest_element.statemachine();
LLURLRequest const* request = dynamic_cast<LLURLRequest const*>(&slowest_state_machine);
F64 const tfactor = 1000 / calc_clock_frequency();
std::ostringstream msg;
if (total_clocks > max_delta)
{
msg << "AIStateMachine::mainloop did run for " << (total_clocks * tfactor) << " ms. The slowest ";
}
else
{
msg << "AIStateMachine::mainloop: A ";
}
msg << "state machine ";
if (request)
{
msg << "(" << request->getResponderName() << ") ";
}
msg << "ran for " << (max_delta * tfactor) << " ms";
if (slowest_state_machine.getRuntime() > max_delta)
{
msg << " (" << (slowest_state_machine.getRuntime() * tfactor) << " ms in total now)";
}
msg << ".";
llwarns << msg.str() << llendl;
}