X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fstructure%2Fsubsystem_mgr.hxx;h=60313fd4a3543a8f723f233dc66c660a0ecd2951;hb=c82df0590dd46347e2f1d0dca4cc3712f67f3654;hp=a4844903c4f2e897cf9efa00d7292fdb7cea9860;hpb=25cefd91298485eb94959017b1aa17bc550d2f3f;p=simgear.git
diff --git a/simgear/structure/subsystem_mgr.hxx b/simgear/structure/subsystem_mgr.hxx
index a4844903..60313fd4 100644
--- a/simgear/structure/subsystem_mgr.hxx
+++ b/simgear/structure/subsystem_mgr.hxx
@@ -25,44 +25,31 @@
#include
Release any state associated with subsystem. Shutdown happens in + * the reverse order to init(), so this is the correct place to do + * shutdown that depends on other subsystems. + *
+ */ + virtual void shutdown (); + /** * Acquire the subsystem's property bindings. * @@ -256,9 +253,34 @@ public: */ virtual bool is_suspended () const; + + /** + * Keep track of execution time. + * + *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(); - void stamp(string name); + /** + * Place time stamps at strategic points in the execution of subsystems + * update() member functions. Predominantly for debugging purposes. + */ + void stamp(const std::string& name); + protected: @@ -285,6 +307,7 @@ public: virtual void init (); virtual void postinit (); virtual void reinit (); + virtual void shutdown (); virtual void bind (); virtual void unbind (); virtual void update (double delta_time_sec); @@ -292,34 +315,52 @@ public: virtual void resume (); virtual bool is_suspended () const; - virtual void set_subsystem (const string &name, + virtual void set_subsystem (const std::string &name, SGSubsystem * subsystem, double min_step_sec = 0); - virtual SGSubsystem * get_subsystem (const string &name); - virtual void remove_subsystem (const string &name); - virtual bool has_subsystem (const string &name) const; + virtual SGSubsystem * get_subsystem (const std::string &name); + virtual void remove_subsystem (const std::string &name); + virtual bool has_subsystem (const std::string &name) const; + void collectDebugTiming(bool collect); + void printTimingStatistics(double minMaxTime=0.0,double minJitter=0.0); + /** + * + */ + void set_fixed_update_time(double fixed_dt); private: - struct Member { + class Member { - Member (); + private: Member (const Member &member); + public: + Member (); virtual ~Member (); virtual void update (double delta_time_sec); - void printTimingInformation(); - - string name; + void printTimingInformation(double time); + void printTimingStatistics(double minMaxTime=0.0,double minJitter=0.0); + void updateExecutionTime(double time); + double getTimeWarningThreshold(); + void collectDebugTiming (bool collect) { collectTimeStats = collect; }; + + SampleStatistic timeStat; + std::string name; SGSubsystem * subsystem; double min_step_sec; double elapsed_sec; + bool collectTimeStats; + int exceptionCount; }; - Member * get_member (const string &name, bool create = false); + Member * get_member (const std::string &name, bool create = false); - vector