sysio::vm::profile_manager Struct Reference

#include <profile.hpp>

Public Member Functions
	profile_manager ()
void	start (profile_data *data)
void	stop ()
	~profile_manager ()
	profile_manager ()
void	start (profile_data *data)
void	stop ()
	~profile_manager ()

Static Public Member Functions
static profile_manager &	instance ()
static profile_manager &	instance ()

Public Attributes
std::mutex	mutex
std::vector< pthread_t >	threads_to_notify
std::thread	timer_thread
bool	done = false
std::condition_variable	timer_cond

Detailed Description

Definition at line 358 of file profile.hpp.

Constructor & Destructor Documentation

profile_manager() [1/2]

sysio::vm::profile_manager::profile_manager ( )

inline

Definition at line 359 of file profile.hpp.

                     {
      register_profile_signal_handler();
      timer_thread = std::thread([this]{
         auto lock = std::unique_lock(mutex);
         while(!timer_cond.wait_for(lock, std::chrono::microseconds(profile_interval_us), [&]{ return done; })) {
            for(pthread_t notify : threads_to_notify) {
               pthread_kill(notify, SIGPROF);
            }
         }
      });
   }

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~profile_manager() [1/2]

sysio::vm::profile_manager::~profile_manager ( )

inline

Definition at line 381 of file profile.hpp.

                      {
      {
         auto lock = std::scoped_lock(mutex);
         done = true;
      }
      timer_cond.notify_one();
      timer_thread.join();
   }

profile_manager() [2/2]

sysio::vm::profile_manager::profile_manager ( )

inline

Definition at line 359 of file profile.hpp.

                     {
      register_profile_signal_handler();
      timer_thread = std::thread([this]{
         auto lock = std::unique_lock(mutex);
         while(!timer_cond.wait_for(lock, std::chrono::microseconds(profile_interval_us), [&]{ return done; })) {
            for(pthread_t notify : threads_to_notify) {
               pthread_kill(notify, SIGPROF);
            }
         }
      });
   }

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~profile_manager() [2/2]

sysio::vm::profile_manager::~profile_manager ( )

inline

Definition at line 381 of file profile.hpp.

                      {
      {
         auto lock = std::scoped_lock(mutex);
         done = true;
      }
      timer_cond.notify_one();
      timer_thread.join();
   }

Member Function Documentation

instance() [1/2]

static profile_manager & sysio::vm::profile_manager::instance ( )

inlinestatic

Definition at line 389 of file profile.hpp.

                                      {
      static profile_manager result;
      return result;
   }

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instance() [2/2]

static profile_manager & sysio::vm::profile_manager::instance ( )

inlinestatic

Definition at line 389 of file profile.hpp.

                                      {
      static profile_manager result;
      return result;
   }

start() [1/2]

void sysio::vm::profile_manager::start ( profile_data * data )

inline

Definition at line 370 of file profile.hpp.

                                  {
      auto lock = std::lock_guard(mutex);
 
      per_thread_profile_data = data;
      threads_to_notify.push_back(pthread_self());
   }

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start() [2/2]

void sysio::vm::profile_manager::start ( profile_data * data )

inline

Definition at line 370 of file profile.hpp.

                                  {
      auto lock = std::lock_guard(mutex);
 
      per_thread_profile_data = data;
      threads_to_notify.push_back(pthread_self());
   }

stop() [1/2]

void sysio::vm::profile_manager::stop ( )

inline

Definition at line 376 of file profile.hpp.

               {
      per_thread_profile_data = nullptr;
      auto lock = std::lock_guard(mutex);
      threads_to_notify.erase(std::find(threads_to_notify.begin(), threads_to_notify.end(), pthread_self()));
   }

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stop() [2/2]

void sysio::vm::profile_manager::stop ( )

inline

Definition at line 376 of file profile.hpp.

               {
      per_thread_profile_data = nullptr;
      auto lock = std::lock_guard(mutex);
      threads_to_notify.erase(std::find(threads_to_notify.begin(), threads_to_notify.end(), pthread_self()));
   }

Member Data Documentation

done

bool sysio::vm::profile_manager::done = false

Definition at line 397 of file profile.hpp.

mutex

std::mutex sysio::vm::profile_manager::mutex

Definition at line 393 of file profile.hpp.

threads_to_notify

std::vector< pthread_t > sysio::vm::profile_manager::threads_to_notify

Definition at line 394 of file profile.hpp.

timer_cond

std::condition_variable sysio::vm::profile_manager::timer_cond

Definition at line 398 of file profile.hpp.

timer_thread

std::thread sysio::vm::profile_manager::timer_thread

Definition at line 396 of file profile.hpp.

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The documentation for this struct was generated from the following files:

• libraries/sys-vm/include/sysio/sysio/vm/profile.hpp
• libraries/sys-vm/include/sysio/vm/profile.hpp