示例#1
0
// This is called at process detach.
// threadcontext created from runtime should not be destroyed in ThreadBoundThreadContext
// we should clean them up at process detach only as runtime can be used in other threads
// even after the current physical thread was destroyed.
// This is called after ThreadBoundThreadContext are cleaned up, so the remaining items
// in the globalthreadContext linklist should be for jsrt only.
void JsrtRuntime::Uninitialize()
{
    ThreadContext* currentThreadContext = ThreadContext::GetThreadContextList();
    ThreadContext* tmpThreadContext;
    while (currentThreadContext)
    {
        Assert(!currentThreadContext->IsScriptActive());
        JsrtRuntime* currentRuntime = static_cast<JsrtRuntime*>(currentThreadContext->GetJSRTRuntime());
        tmpThreadContext = currentThreadContext;
        currentThreadContext = currentThreadContext->Next();

        currentRuntime->CloseContexts();
        RentalThreadContextManager::DestroyThreadContext(tmpThreadContext);
        HeapDelete(currentRuntime);
    }
}
// This is called at process detach.
// threadcontext created from runtime should not be destroyed in ThreadBoundThreadContext
// we should clean them up at process detach only as runtime can be used in other threads
// even after the current physical thread was destroyed.
// This is called after ThreadBoundThreadContext are cleaned up, so the remaining items
// in the globalthreadContext linklist should be for jsrt only.
void JsrtRuntime::Uninitialize()
{
    ThreadContext* currentThreadContext = ThreadContext::GetThreadContextList();
    ThreadContext* tmpThreadContext;
    while (currentThreadContext)
    {
        Assert(!currentThreadContext->IsScriptActive());
        JsrtRuntime* currentRuntime = static_cast<JsrtRuntime*>(currentThreadContext->GetJSRTRuntime());
        tmpThreadContext = currentThreadContext;
        currentThreadContext = currentThreadContext->Next();

#ifdef CHAKRA_STATIC_LIBRARY
        // xplat-todo: Cleanup staticlib shutdown. This only shuts down threads.
        // Other closing contexts / finalizers having trouble with current
        // runtime/context.
        RentalThreadContextManager::DestroyThreadContext(tmpThreadContext);
#else
        currentRuntime->CloseContexts();
        RentalThreadContextManager::DestroyThreadContext(tmpThreadContext);
        HeapDelete(currentRuntime);
#endif
    }
}
示例#3
0
//
// Enumerate through all the script contexts in the process and log events
// for each function loaded. Depending on the argument, start or end events are logged.
// In particular, a rundown is needed for the 'Attach' scenario of profiling.
//
void EtwTrace::PerformRundown(bool start)
{
    // Lock threadContext list during etw rundown
    AutoCriticalSection autoThreadContextCs(ThreadContext::GetCriticalSection());

    ThreadContext * threadContext = ThreadContext::GetThreadContextList();
    if(start)
    {
        JS_ETW(EventWriteDCStartInit());
    }
    else
    {
        JS_ETW(EventWriteDCEndInit());
    }

    while(threadContext != nullptr)
    {
        // Take etw rundown lock on this thread context
        AutoCriticalSection autoEtwRundownCs(threadContext->GetEtwRundownCriticalSection());

        ScriptContext* scriptContext = threadContext->GetScriptContextList();
        while(scriptContext != NULL)
        {
            if(scriptContext->IsClosed())
            {
                scriptContext = scriptContext->next;
                continue;
            }
            if(start)
            {
                JS_ETW(EventWriteScriptContextDCStart(scriptContext));

                if(scriptContext->GetSourceContextInfoMap() != nullptr)
                {
                    scriptContext->GetSourceContextInfoMap()->Map( [=] (DWORD_PTR sourceContext, SourceContextInfo * sourceContextInfo)
                    {
                        if (sourceContext != Constants::NoHostSourceContext)
                        {
                            JS_ETW(LogSourceEvent(EventWriteSourceDCStart,
                                sourceContext,
                                scriptContext,
                                /* sourceFlags*/ 0,
                                sourceContextInfo->url));
                        }
                    });
                }
            }
            else
            {
                JS_ETW(EventWriteScriptContextDCEnd(scriptContext));

                if(scriptContext->GetSourceContextInfoMap() != nullptr)
                {
                    scriptContext->GetSourceContextInfoMap()->Map( [=] (DWORD_PTR sourceContext, SourceContextInfo * sourceContextInfo)
                    {
                        if (sourceContext != Constants::NoHostSourceContext)
                        {
                            JS_ETW(LogSourceEvent(EventWriteSourceDCEnd,
                                sourceContext,
                                scriptContext,
                                /* sourceFlags*/ 0,
                                sourceContextInfo->url));
                        }
                    });
                }
            }

            scriptContext->MapFunction([&start] (FunctionBody* body)
            {
#if DYNAMIC_INTERPRETER_THUNK
                if(body->HasInterpreterThunkGenerated())
                {
                    if(start)
                    {
                        LogMethodInterpretedThunkEvent(EventWriteMethodDCStart, body);
                    }
                    else
                    {
                        LogMethodInterpretedThunkEvent(EventWriteMethodDCEnd, body);
                    }
                }
#endif

#if ENABLE_NATIVE_CODEGEN
                body->MapEntryPoints([&](int index, FunctionEntryPointInfo * entryPoint)
                {
                    if(entryPoint->IsCodeGenDone())
                    {
                        if (start)
                        {
                            LogMethodNativeEvent(EventWriteMethodDCStart, body, entryPoint);
                        }
                        else
                        {
                            LogMethodNativeEvent(EventWriteMethodDCEnd, body, entryPoint);
                        }
                    }
                });

                body->MapLoopHeadersWithLock([&](uint loopNumber, LoopHeader* header)
                {
                    header->MapEntryPoints([&](int index, LoopEntryPointInfo * entryPoint)
                    {
                        if(entryPoint->IsCodeGenDone())
                        {
                            if(start)
                            {
                                LogLoopBodyEventBG(EventWriteMethodDCStart, body, header, entryPoint, ((uint16)body->GetLoopNumberWithLock(header)));
                            }
                            else
                            {
                                LogLoopBodyEventBG(EventWriteMethodDCEnd, body, header, entryPoint, ((uint16)body->GetLoopNumberWithLock(header)));
                            }
                        }
                    });
                });
#endif
            });

            scriptContext = scriptContext->next;
        }
#ifdef NTBUILD
        if (EventEnabledJSCRIPT_HOSTING_CEO_START())
        {
            threadContext->EtwLogPropertyIdList();
        }
#endif

        threadContext = threadContext->Next();
    }
    if(start)
    {
        JS_ETW(EventWriteDCStartComplete());
    }
    else
    {
        JS_ETW(EventWriteDCEndComplete());
    }
}
示例#4
0
void  PerfTrace::WritePerfMap()
{
#if ENABLE_NATIVE_CODEGEN
    // Lock threadContext list during etw rundown
    AutoCriticalSection autoThreadContextCs(ThreadContext::GetCriticalSection());

    ThreadContext * threadContext = ThreadContext::GetThreadContextList();

    FILE * perfMapFile;

    {
        const size_t PERFMAP_FILENAME_MAX_LENGTH = 30;
        char perfMapFilename[PERFMAP_FILENAME_MAX_LENGTH];
        pid_t processId = getpid();
        snprintf(perfMapFilename, PERFMAP_FILENAME_MAX_LENGTH, "/tmp/perf-%d.map", processId);

        perfMapFile = fopen(perfMapFilename, "w");
        if (perfMapFile == NULL) {
            return;
        }
    }

    while(threadContext != nullptr)
    {
        // Take etw rundown lock on this thread context
        AutoCriticalSection autoEtwRundownCs(threadContext->GetFunctionBodyLock());

        ScriptContext* scriptContext = threadContext->GetScriptContextList();
        while(scriptContext != NULL)
        {
            if(scriptContext->IsClosed())
            {
                scriptContext = scriptContext->next;
                continue;
            }

            scriptContext->MapFunction([=] (FunctionBody* body)
            {
#if DYNAMIC_INTERPRETER_THUNK
                if(body->HasInterpreterThunkGenerated())
                {
                    const char16* functionName = body->GetExternalDisplayName();
                    fwprintf(perfMapFile, _u("%llX %llX %s(Interpreted)\n"),
                        body->GetDynamicInterpreterEntryPoint(),
                        body->GetDynamicInterpreterThunkSize(),
                        functionName);
                }
#endif

#if ENABLE_NATIVE_CODEGEN
                body->MapEntryPoints([&](int index, FunctionEntryPointInfo * entryPoint)
                {
                    if(entryPoint->IsCodeGenDone())
                    {
                        const ExecutionMode jitMode = entryPoint->GetJitMode();
                        if (jitMode == ExecutionMode::SimpleJit)
                        {
                            fwprintf(perfMapFile, _u("%llX %llX %s(SimpleJIT)\n"),
                                entryPoint->GetNativeAddress(),
                                entryPoint->GetCodeSize(),
                                body->GetExternalDisplayName());
                        }
                        else
                        {
                            fwprintf(perfMapFile, _u("%llX %llX %s(FullJIT)\n"),
                                entryPoint->GetNativeAddress(),
                                entryPoint->GetCodeSize(),
                                body->GetExternalDisplayName());
                        }
                    }
                });

                body->MapLoopHeadersWithLock([&](uint loopNumber, LoopHeader* header)
                {
                    header->MapEntryPoints([&](int index, LoopEntryPointInfo * entryPoint)
                    {
                        if(entryPoint->IsCodeGenDone())
                        {
                            const uint16 loopNumber = ((uint16)body->GetLoopNumberWithLock(header));
                            fwprintf(perfMapFile, _u("%llX %llX %s(Loop%u)\n"),
                                entryPoint->GetNativeAddress(),
                                entryPoint->GetCodeSize(),
                                body->GetExternalDisplayName(),
                                loopNumber+1);
                        }
                    });
                });
#endif
            });

            scriptContext = scriptContext->next;
        }

        threadContext = threadContext->Next();
    }

    fflush(perfMapFile);
    fclose(perfMapFile);
#endif
    PerfTrace::mapsRequested = 0;
}