/usr/include/litl_write.h is in liblitl-dev 0.1.8-2+b2.
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/*
* Copyright © Télécom SudParis.
* See COPYING in top-level directory.
*/
/**
* \file litl_write.h
* \brief litl_write Provides a set of functions for recording events in a
* trace file
*
* \authors
* Developers are : \n
* Roman Iakymchuk -- roman.iakymchuk@telecom-sudparis.eu \n
* Francois Trahay -- francois.trahay@telecom-sudparis.eu \n
*/
#ifndef LITL_WRITE_H_
#define LITL_WRITE_H_
#include "litl_types.h"
/**
* \defgroup litl_write LiTL Writing Functions
*/
/**
* \defgroup litl_write_init Initialization Functions
* \ingroup litl_write
*/
/**
* \defgroup litl_write_reg Functions for Recording Regular Events
* \ingroup litl_write
*/
/**
* \defgroup litl_write_raw Functions for Recording Raw Events
* \ingroup litl_write
*/
/**
* \defgroup litl_write_pack Functions for Recording Packed Events
* \ingroup litl_write
*/
/**
* \ingroup litl_write_init
* \brief Initializes the trace buffer
* \param buf_size A buffer size (in Byte)
* \return A pointer to the event recording object.
* NULL in case of failure
*/
litl_write_trace_t* litl_write_init_trace(const uint32_t buf_size);
/**
* \ingroup litl_write_init
* \brief Enable buffer flush. By default, it is disabled
* \param trace A pointer to the event recording object
*/
void litl_write_buffer_flush_on(litl_write_trace_t* trace);
/**
* \ingroup litl_write_init
* \brief Disable buffer flush.
* \param trace A pointer to the event recording object
*/
void litl_write_buffer_flush_off(litl_write_trace_t* trace);
/**
* \ingroup litl_write_init
* \brief Enable thread safety
* \param trace A pointer to the event recording object
*/
void litl_write_thread_safety_on(litl_write_trace_t* trace);
/**
* \ingroup litl_write_init
* \brief Disable thread safety. By default, it is enabled
* \param trace A pointer to the event recording object
*/
void litl_write_thread_safety_off(litl_write_trace_t* trace);
/**
* \ingroup litl_write_init
* \brief Enable recording tid
*/
void litl_write_tid_recording_on(litl_write_trace_t* trace);
/**
* \ingroup litl_write_init
* \brief Disable recording tid. By default, it is enabled
* \param trace A pointer to the event recording object
*/
void litl_write_tid_recording_off(litl_write_trace_t* trace);
/**
* \ingroup litl_write_init
* \brief Pauses the event recording
* \param trace A pointer to the event recording object
*/
void litl_write_pause_recording(litl_write_trace_t* trace);
/**
* \ingroup litl_write_init
* \brief Resumes the event recording
* \param trace A pointer to the event recording object
*/
void litl_write_resume_recording(litl_write_trace_t* trace);
/**
* \ingroup litl_write_init
* \brief Sets a new name for the trace file
* \param trace A pointer to the event recording object
* \param filename A new file name
*/
void litl_write_set_filename(litl_write_trace_t* trace, char* filename);
/*** Regular events ***/
/**
* \ingroup litl_write_reg
* \brief Records a regular event without parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_0(litl_write_trace_t* trace, litl_code_t code);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 1 parameter
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_1(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 2 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_2(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 3 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_3(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2,
litl_param_t param3);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 4 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_4(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2,
litl_param_t param3, litl_param_t param4);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 5 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_5(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2,
litl_param_t param3, litl_param_t param4,
litl_param_t param5);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 6 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_6(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2,
litl_param_t param3, litl_param_t param4,
litl_param_t param5, litl_param_t param6);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 7 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \param param7 7th parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_7(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2,
litl_param_t param3, litl_param_t param4,
litl_param_t param5, litl_param_t param6,
litl_param_t param7);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 8 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \param param7 7th parameter for this event
* \param param8 8th parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_8(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2,
litl_param_t param3, litl_param_t param4,
litl_param_t param5, litl_param_t param6,
litl_param_t param7, litl_param_t param8);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 9 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \param param7 7th parameter for this event
* \param param8 8th parameter for this event
* \param param9 9th parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_9(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2,
litl_param_t param3, litl_param_t param4,
litl_param_t param5, litl_param_t param6,
litl_param_t param7, litl_param_t param8,
litl_param_t param9);
/**
* \ingroup litl_write_reg
* \brief Records a regular event with 10 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \param param7 7th parameter for this event
* \param param8 8th parameter for this event
* \param param9 9th parameter for this event
* \param param10 10th parameter for this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_reg_10(litl_write_trace_t* trace, litl_code_t code,
litl_param_t param1, litl_param_t param2,
litl_param_t param3, litl_param_t param4,
litl_param_t param5, litl_param_t param6,
litl_param_t param7, litl_param_t param8,
litl_param_t param9, litl_param_t param10);
/*** Raw events ***/
/**
* \ingroup litl_write_raw
* \brief Records an event with data in a string format
* \param trace A pointer to the event recording object
* \param code An event code
* \param size Size (in Bytes) of the data to store
* \param data Data to store with this event
* \return a pointer to the event that was recorded or NULL in case of error
*/
litl_t* litl_write_probe_raw(litl_write_trace_t* trace, litl_code_t code,
litl_size_t size, litl_data_t data[]);
/*** Internal-use macros ***/
/**
* \ingroup litl_write_pack
* \brief For internal use only. Allocates an event
* \param trace A pointer to the event recording object
* \param type An event type
* \param code An event code
* \param size Size of the event (in Bytes)
* \return The allocated event or NULL in case of error
*/
litl_t* __litl_write_get_event(litl_write_trace_t* trace, litl_type_t type,
litl_code_t code, int size);
/**
* \ingroup litl_write_pack
* \brief For internal use only. Adds a parameter to a packed event
* \param ptr A pointer to an event where the parameter should be stored
* \param param A parameter to store
*/
#define __LITL_WRITE_ADD_ARG(ptr, param) do { \
typeof(param) _param = param; \
memcpy(ptr, &_param, sizeof(_param)); \
ptr = ((char*) ptr)+sizeof(_param); \
} while(0)
/*** Packed events ***/
/**
* \ingroup litl_write_pack
* \brief Records a packed event without parameters
* \param trace A pointer to the event recording object
* \param code An event code
*/
#define litl_write_probe_pack_0(trace, \
code, \
retval) do { \
int total_size = 0; \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, total_size); \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 1 parameter
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
*/
#define litl_write_probe_pack_1(trace, \
code, \
param1, \
retval) \
do { \
int total_size = sizeof(param1); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 2 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
*/
#define litl_write_probe_pack_2(trace, \
code, \
param1, \
param2, \
retval) \
do { \
int total_size = sizeof(param1) + sizeof(param2); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 3 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
*/
#define litl_write_probe_pack_3(trace, \
code, \
param1, \
param2, \
param3, \
retval) do { \
int total_size = sizeof(param1) + sizeof(param2) + \
sizeof(param3); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
__LITL_WRITE_ADD_ARG(_ptr_, param3); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 4 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
*/
#define litl_write_probe_pack_4(trace, \
code, \
param1, \
param2, \
param3, \
param4, \
retval) do { \
int total_size = sizeof(param1) + sizeof(param2) + \
sizeof(param3) + sizeof(param4); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
__LITL_WRITE_ADD_ARG(_ptr_, param3); \
__LITL_WRITE_ADD_ARG(_ptr_, param4); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 5 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
*/
#define litl_write_probe_pack_5(trace, \
code, \
param1, \
param2, \
param3, \
param4, \
param5, \
retval) do { \
int total_size = sizeof(param1) + sizeof(param2) + \
sizeof(param3) + sizeof(param4) +sizeof(param5); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
__LITL_WRITE_ADD_ARG(_ptr_, param3); \
__LITL_WRITE_ADD_ARG(_ptr_, param4); \
__LITL_WRITE_ADD_ARG(_ptr_, param5); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 6 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
*/
#define litl_write_probe_pack_6(trace, \
code, \
param1, \
param2, \
param3, \
param4, \
param5, \
param6, \
retval) do { \
int total_size = sizeof(param1) + sizeof(param2) + \
sizeof(param3) + sizeof(param4) + sizeof(param5) + sizeof(param6); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
__LITL_WRITE_ADD_ARG(_ptr_, param3); \
__LITL_WRITE_ADD_ARG(_ptr_, param4); \
__LITL_WRITE_ADD_ARG(_ptr_, param5); \
__LITL_WRITE_ADD_ARG(_ptr_, param6); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 7 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \param param7 7th parameter for this event
*/
#define litl_write_probe_pack_7(trace, \
code, \
param1, \
param2, \
param3, \
param4, \
param5, \
param6, \
param7, \
retval) do { \
int total_size = sizeof(param1) + sizeof(param2) + \
sizeof(param3) + sizeof(param4) + sizeof(param5) + sizeof(param6) \
+ sizeof(param7); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
__LITL_WRITE_ADD_ARG(_ptr_, param3); \
__LITL_WRITE_ADD_ARG(_ptr_, param4); \
__LITL_WRITE_ADD_ARG(_ptr_, param5); \
__LITL_WRITE_ADD_ARG(_ptr_, param6); \
__LITL_WRITE_ADD_ARG(_ptr_, param7); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 8 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \param param7 7th parameter for this event
* \param param8 8th parameter for this event
*/
#define litl_write_probe_pack_8(trace, \
code, \
param1, \
param2, \
param3, \
param4, \
param5, \
param6, \
param7, \
param8, \
retval) do { \
int total_size = sizeof(param1) + sizeof(param2) + \
sizeof(param3) + sizeof(param4) + sizeof(param5) + sizeof(param6) \
+ sizeof(param7) + sizeof(param8); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
__LITL_WRITE_ADD_ARG(_ptr_, param3); \
__LITL_WRITE_ADD_ARG(_ptr_, param4); \
__LITL_WRITE_ADD_ARG(_ptr_, param5); \
__LITL_WRITE_ADD_ARG(_ptr_, param6); \
__LITL_WRITE_ADD_ARG(_ptr_, param7); \
__LITL_WRITE_ADD_ARG(_ptr_, param8); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 9 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \param param7 7th parameter for this event
* \param param8 8th parameter for this event
* \param param9 9th parameter for this event
*/
#define litl_write_probe_pack_9(trace, \
code, \
param1, \
param2, \
param3, \
param4, \
param5, \
param6, \
param7, \
param8, \
param9, \
retval) do { \
int total_size = sizeof(param1) + sizeof(param2) + \
sizeof(param3) + sizeof(param4) + sizeof(param5) + sizeof(param6) \
+ sizeof(param7) + sizeof(param8) + sizeof(param9); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
__LITL_WRITE_ADD_ARG(_ptr_, param3); \
__LITL_WRITE_ADD_ARG(_ptr_, param4); \
__LITL_WRITE_ADD_ARG(_ptr_, param5); \
__LITL_WRITE_ADD_ARG(_ptr_, param6); \
__LITL_WRITE_ADD_ARG(_ptr_, param7); \
__LITL_WRITE_ADD_ARG(_ptr_, param8); \
__LITL_WRITE_ADD_ARG(_ptr_, param9); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_pack
* \brief Records a packed event with 10 parameters
* \param trace A pointer to the event recording object
* \param code An event code
* \param param1 1st parameter for this event
* \param param2 2nd parameter for this event
* \param param3 3rd parameter for this event
* \param param4 4th parameter for this event
* \param param5 5th parameter for this event
* \param param6 6th parameter for this event
* \param param7 7th parameter for this event
* \param param8 8th parameter for this event
* \param param9 9th parameter for this event
* \param param10 10th parameter for this event
*/
#define litl_write_probe_pack_10(trace, \
code, \
param1, \
param2, \
param3, \
param4, \
param5, \
param6, \
param7, \
param8, \
param9, \
param10, \
retval) do { \
int total_size = sizeof(param1) + sizeof(param2) + \
sizeof(param3) + sizeof(param4) + sizeof(param5) + sizeof(param6) + \
sizeof(param7) + sizeof(param8) + sizeof(param9) + sizeof(param10); \
litl_t* p_evt = __litl_write_get_event(trace, \
LITL_TYPE_PACKED, \
code, \
total_size); \
if(p_evt){ \
void* _ptr_ = &p_evt->parameters.packed.param[0]; \
__LITL_WRITE_ADD_ARG(_ptr_, param1); \
__LITL_WRITE_ADD_ARG(_ptr_, param2); \
__LITL_WRITE_ADD_ARG(_ptr_, param3); \
__LITL_WRITE_ADD_ARG(_ptr_, param4); \
__LITL_WRITE_ADD_ARG(_ptr_, param5); \
__LITL_WRITE_ADD_ARG(_ptr_, param6); \
__LITL_WRITE_ADD_ARG(_ptr_, param7); \
__LITL_WRITE_ADD_ARG(_ptr_, param8); \
__LITL_WRITE_ADD_ARG(_ptr_, param9); \
__LITL_WRITE_ADD_ARG(_ptr_, param10); \
} \
retval = p_evt; \
} while(0)
/**
* \ingroup litl_write_init
* \brief Finalizes the trace
* \param trace A pointer to the event recording object
*/
void litl_write_finalize_trace(litl_write_trace_t* trace);
#endif /* LITL_WRITE_H_ */
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