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/* -*- C++ -*- */
// $Id$
#ifndef ACE_TIMEPROBE_T_H
#include "ace/pre.h"
#define ACE_TIMEPROBE_T_H
#include "ace/OS.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined (ACE_COMPILE_TIMEPROBES)
#include "ace/Containers.h"
template <class ACE_LOCK>
class ACE_Timeprobe
{
// = TITLE
// This class is used to instrument code. This is accomplished
// by inserting time probes at different location in the code.
// ACE_Timeprobe then measures the time difference between two
// time probes.
//
// = DESCRIPTION
// This class provides a lightweight implementation for
// measuring the time required to execute code between two time
// probes. When a time probe executes, it records the time, the
// id of the calling thread, and an event description. The
// event description can either be an unsigned long or a string
// (char *). If string are used, care must be taken cause only
// pointer copies are done and the string data is *not* copied.
//
// The recorded time probes can then be printed by calling
// <print_times>. If you have used unsigned longs as event
// descriptions in any of your time probes, you must have
// provided an event description table that maps the unsigned
// longs to readable strings. This map is a simple array of
// strings, and the event number is used as the index into the
// array when looking for the event description. If you have
// only used strings for the event description, this map is not
// necessary.
//
// Multiple maps can also be used to chunk up the time probes.
// Each one can be added by calling <event_descriptions>.
// Different tables are used internally by consulting the
// minimum_id for each table. It is up to the user to make sure
// that multiple tables do not share the same event id range.
public:
typedef ACE_Timeprobe<ACE_LOCK>
SELF;
// Self
typedef ACE_Unbounded_Set<ACE_Event_Descriptions>
EVENT_DESCRIPTIONS;
// We can hold multiple event description tables.
ACE_Timeprobe (u_long size = ACE_DEFAULT_TIMEPROBE_TABLE_SIZE);
// Create Timeprobes with <size> slots
~ACE_Timeprobe (void);
// Destructor.
void timeprobe (u_long event);
// Record a time. <event> is used to describe this time probe.
void timeprobe (const char *id);
// Record a time. <id> is used to describe this time probe.
int event_descriptions (const char **descriptions,
u_long minimum_id);
// Record event descriptions.
void print_times (void);
// Print the time probes.
void print_absolute_times (void);
// Print the time probes.
void reset (void);
// Reset the slots. All old time probes will be lost.
ACE_Timeprobe (const ACE_Timeprobe<ACE_LOCK> &);
// Not implemented (stupid MSVC won't let it be protected).
// = (Somewhat private) Accessors
ACE_Unbounded_Set<ACE_Event_Descriptions> &event_descriptions (void);
// Event Descriptions
ACE_Unbounded_Set<ACE_Event_Descriptions> &sorted_event_descriptions (void);
// Sorted Event Descriptions.
u_int *current_slot_vme_address (void);
// VME slot address.
const char *find_description_i (u_long i);
// Find description of event <i>
void sort_event_descriptions_i (void);
// Sort event descriptions
ACE_timeprobe_t *timeprobes (void);
// Time probe slots
ACE_LOCK &lock (void);
// Synchronization variable.
u_long max_size (void);
// Max size of timestamp table
u_long current_size (void);
// Current size of timestamp table
protected:
EVENT_DESCRIPTIONS event_descriptions_;
// Event Descriptions
EVENT_DESCRIPTIONS sorted_event_descriptions_;
// Sorted Event Descriptions.
u_int *current_slot_vme_address_;
// Added sections below here to make compatible with the VMETRO
// board test.
ACE_timeprobe_t *timeprobes_;
// Time probe slots
ACE_LOCK lock_;
// Synchronization variable.
u_long max_size_;
// Max size of timestamp table
u_long current_size_;
// Current size of timestamp table
};
template <class Timeprobe>
class ACE_Function_Timeprobe
{
// = TITLE
// Auto pointer like time probes. It will record <event> on
// construction and <event + 1> on destruction.
public:
ACE_Function_Timeprobe (Timeprobe &timeprobe,
u_long event);
// Constructor.
~ACE_Function_Timeprobe (void);
// Destructor.
protected:
Timeprobe &timeprobe_;
// Reference to timeprobe.
u_long event_;
// Event.
};
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "ace/Timeprobe_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Timeprobe_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#endif /* ACE_COMPILE_TIMEPROBES */
#include "ace/post.h"
#endif /* ACE_TIMEPROBE_T_H */
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