X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fstructure%2Fsubsystem_mgr.hxx;h=a751d30699426c14561447c1acbd741e78421384;hb=7dfb463ba9ac50e890718612cd6b55373b7cc4a8;hp=03cbbb8d6effdd7b7a2da1e209346c09cbf9a209;hpb=5d34eb12e07235fc56d6a5e496b0c2e208fd7381;p=simgear.git
diff --git a/simgear/structure/subsystem_mgr.hxx b/simgear/structure/subsystem_mgr.hxx
index 03cbbb8d..a751d306 100644
--- a/simgear/structure/subsystem_mgr.hxx
+++ b/simgear/structure/subsystem_mgr.hxx
@@ -14,7 +14,7 @@
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
@@ -25,23 +25,35 @@
#include
This method keeps track of timing statistics for each subsystem.
+ * + * @param time execution time in ms of last call. + */ + void updateExecutionTime(double time); + + /** + * Print details of execution time. + * + *For debugging purposes, developers can place stamp() calls + * at strategic points in the update() function of each subsystem, which + * record the time between the successive calls to stamp. This method, + * printExecutionTime() is called after exectution of the subsystem + * update function itself to conduct a post-hoc analysis of excecution + * time
+ */ + void printTimingInformation(); + + /** + * Place time stamps at strategic points in the execution of subsystems + * update() member functions. Predominantly for debugging purposes. + */ + void stamp(const string& name); + + + protected: bool _suspended; + eventTimeVec timingInfo; + //int test; + }; @@ -271,20 +315,31 @@ public: virtual void remove_subsystem (const string &name); virtual bool has_subsystem (const string &name) const; + void collectDebugTiming(bool collect); + private: - struct Member { + class Member { - Member (); + private: Member (const Member &member); + public: + Member (); virtual ~Member (); virtual void update (double delta_time_sec); + void printTimingInformation(double time); + void printTimingStatistics(); + void updateExecutionTime(double time); + double getTimeWarningThreshold(); + void collectDebugTiming (bool collect) { collectTimeStats = collect; }; + SampleStatistic timeStat; string name; SGSubsystem * subsystem; double min_step_sec; double elapsed_sec; + bool collectTimeStats; }; Member * get_member (const string &name, bool create = false); @@ -346,6 +401,8 @@ public: virtual SGSubsystem * get_subsystem(const string &name); + void collectDebugTiming(bool collect); + private: SGSubsystemGroup _groups[MAX_GROUPS];