#include <simgear/debug/logstream.hxx>
+#include <simgear/timing/timestamp.hxx>
#include "exception.hxx"
#include "subsystem_mgr.hxx"
+#include <simgear/math/SGMath.hxx>
+
\f
////////////////////////////////////////////////////////////////////////
}
+void
+SGSubsystem::printTimingInformation ()
+{
+ SGTimeStamp startTime;
+ for ( eventTimeVecIterator i = timingInfo.begin();
+ i != timingInfo.end();
+ i++) {
+ if (i == timingInfo.begin()) {
+ startTime = i->getTime();
+ } else {
+ SGTimeStamp endTime = i->getTime();
+ SG_LOG(SG_GENERAL, SG_ALERT, "- Getting to timestamp : "
+ << i->getName() << " takes " << endTime - startTime
+ << " sec.");
+ startTime = endTime;
+ }
+ }
+}
+
+
+
+void SGSubsystem::stamp(const string& name)
+{
+ timingInfo.push_back(TimingInfo(name, SGTimeStamp::now()));
+}
+
\f
////////////////////////////////////////////////////////////////////////
// Implementation of SGSubsystemGroup.
SGSubsystemGroup::~SGSubsystemGroup ()
{
- for (unsigned int i = 0; i < _members.size(); i++)
- delete _members[i];
+ // reverse order to prevent order dependency problems
+ for (unsigned int i = _members.size(); i > 0; i--)
+ {
+ _members[i-1]->printTimingStatistics();
+ delete _members[i-1];
+ }
}
void
void
SGSubsystemGroup::unbind ()
{
- for (unsigned int i = 0; i < _members.size(); i++)
- _members[i]->subsystem->unbind();
+ // reverse order to prevent order dependency problems
+ for (unsigned int i = _members.size(); i > 0; i--)
+ _members[i-1]->subsystem->unbind();
}
void
SGSubsystemGroup::update (double delta_time_sec)
{
for (unsigned int i = 0; i < _members.size(); i++)
- _members[i]->update(delta_time_sec); // indirect call
+ {
+ SGTimeStamp timeStamp = SGTimeStamp::now();
+ _members[i]->update(delta_time_sec); // indirect call
+ timeStamp = timeStamp - SGTimeStamp::now();
+ double b = timeStamp.toUSecs();
+ _members[i]->updateExecutionTime(b);
+ double threshold = _members[i]->getTimeWarningThreshold();
+ if (( b > threshold ) && (b > 10000)) {
+ _members[i]->printTimingInformation(b);
+ }
+ }
+}
+
+void
+SGSubsystemGroup::collectDebugTiming(bool collect)
+{
+ for (unsigned int i = 0; i < _members.size(); i++)
+ {
+ _members[i]->collectDebugTiming(collect);
+ }
}
void
}
}
+void
+SGSubsystemGroup::Member::printTimingStatistics ()
+{
+ if (collectTimeStats) {
+ double minTime = timeStat.min() / 1000;
+ double maxTime = timeStat.max() / 1000;
+ double meanTime = timeStat.mean() / 1000;
+ double stddev = timeStat.stdDev() / 1000;
+
+ char buffer[256];
+ snprintf(buffer, 256, "Timing summary for %20s.\n"
+ "- mean time: %04.2f ms.\n"
+ "- min time : %04.2f ms.\n"
+ "- max time : %04.2f ms.\n"
+ "- stddev : %04.2f ms.\n", name.c_str(), meanTime, minTime, maxTime, stddev);
+ SG_LOG(SG_GENERAL, SG_ALERT, buffer);
+ }
+}
+
+
bool
SGSubsystemGroup::has_subsystem (const string &name) const
{
: name(""),
subsystem(0),
min_step_sec(0),
- elapsed_sec(0)
+ elapsed_sec(0),
+ collectTimeStats(false)
{
}
+// This shouldn't be called due to subsystem pointer ownership issues.
SGSubsystemGroup::Member::Member (const Member &)
{
- Member();
}
SGSubsystemGroup::Member::~Member ()
}
+void
+SGSubsystemGroup::Member::printTimingInformation(double time)
+{
+ if (collectTimeStats) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "Subsystem Timing Alert : " << time << " " << name);
+ subsystem->printTimingInformation();
+ }
+}
+
+double SGSubsystemGroup::Member::getTimeWarningThreshold()
+{
+ return (timeStat.mean() + 3 * timeStat.stdDev());
+}
+
+void SGSubsystemGroup::Member::updateExecutionTime(double time)
+{
+ if (collectTimeStats) {
+ timeStat += time;
+ }
+}
+
+
+
+
\f
////////////////////////////////////////////////////////////////////////
// Implementation of SGSubsystemMgr.
void
SGSubsystemMgr::unbind ()
{
- for (int i = 0; i < MAX_GROUPS; i++)
+ // reverse order to prevent order dependency problems
+ for (int i = MAX_GROUPS-1; i >= 0; i--)
_groups[i].unbind();
}
}
}
+void
+SGSubsystemMgr::collectDebugTiming(bool collect)
+{
+ for (int i = 0; i < MAX_GROUPS; i++) {
+ _groups[i].collectDebugTiming(collect);
+ }
+}
+
void
SGSubsystemMgr::suspend ()
{