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core(trace): lazy quering for OPENCV_TRACE_LOCATION

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- fixes proper initialization of non-trivial variable
This commit is contained in:
Alexander Alekhin 2020-08-20 21:43:14 +00:00
parent fc0f9da7a7
commit cd00d8f3f0
1 changed files with 8 additions and 3 deletions
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11
modules/core/src/trace.cpp
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@ -82,7 +82,12 @@ static bool getParameterTraceEnable()
static int param_maxRegionDepthOpenCV = (int)utils::getConfigurationParameterSizeT("OPENCV_TRACE_DEPTH_OPENCV", 1);
static int param_maxRegionChildrenOpenCV = (int)utils::getConfigurationParameterSizeT("OPENCV_TRACE_MAX_CHILDREN_OPENCV", 1000);
static int param_maxRegionChildren = (int)utils::getConfigurationParameterSizeT("OPENCV_TRACE_MAX_CHILDREN", 10000);
static cv::String param_traceLocation = utils::getConfigurationParameterString("OPENCV_TRACE_LOCATION", "OpenCVTrace");
static const cv::String& getParameterTraceLocation()
{
static cv::String param_traceLocation = utils::getConfigurationParameterString("OPENCV_TRACE_LOCATION", "OpenCVTrace");
return param_traceLocation;
}
#ifdef HAVE_OPENCL
static bool param_synchronizeOpenCL = utils::getConfigurationParameterBool("OPENCV_TRACE_SYNC_OPENCL", false);
@ -813,7 +818,7 @@ TraceStorage* TraceManagerThreadLocal::getStorage() const
TraceStorage* global = getTraceManager().trace_storage.get();
if (global)
{
const std::string filepath = cv::format("%s-%03d.txt", param_traceLocation.c_str(), threadID).c_str();
const std::string filepath = cv::format("%s-%03d.txt", getParameterTraceLocation().c_str(), threadID).c_str();
TraceMessage msg;
const char* pos = strrchr(filepath.c_str(), '/'); // extract filename
#ifdef _WIN32
@ -848,7 +853,7 @@ TraceManager::TraceManager()
activated = getParameterTraceEnable();
if (activated)
trace_storage.reset(new SyncTraceStorage(std::string(param_traceLocation) + ".txt"));
trace_storage.reset(new SyncTraceStorage(std::string(getParameterTraceLocation()) + ".txt"));
#ifdef OPENCV_WITH_ITT
if (isITTEnabled())