4coder/custom/4coder_profile.cpp

223 lines
7.0 KiB
C++

/*
* 4coder_profile.cpp - Built in self profiling report.
*/
// TOP
global Profile_Global_List global_prof_list = {};
global System_Mutex global_prof_mutex = {};
function void
global_prof_init(void){
global_prof_mutex = system_mutex_make();
global_prof_list.node_arena = make_arena(get_base_allocator_system(),
KB(4));
}
function Profile_Thread*
global_prof_get_thread(i32 thread_id){
Profile_Thread *result = 0;
for (Profile_Thread *node = global_prof_list.first_thread;
node != 0;
node = node->next){
if (thread_id == node->thread_id){
result = node;
break;
}
}
if (result == 0){
result = push_array_zero(&global_prof_list.node_arena, Profile_Thread, 1);
sll_queue_push(global_prof_list.first_thread, global_prof_list.last_thread, result);
global_prof_list.thread_count += 1;
result->thread_id = thread_id;
}
return(result);
}
function void
global_prof_clear(void){
Mutex_Lock lock(global_prof_mutex);
for (Arena_Node *node = global_prof_list.first_arena;
node != 0;
node = node->next){
linalloc_clear(&node->arena);
}
global_prof_list.first_arena = 0;
global_prof_list.last_arena = 0;
linalloc_clear(&global_prof_list.node_arena);
global_prof_list.first_thread = 0;
global_prof_list.last_thread = 0;
global_prof_list.thread_count = 0;
}
function void
thread_profile_flush(Thread_Context *tctx){
if (tctx->prof_record_count > 0){
Mutex_Lock lock(global_prof_mutex);
if (global_prof_list.disable_bits == 0){
Profile_Thread* thread = global_prof_get_thread(system_thread_get_id());
Arena_Node* node = push_array(&global_prof_list.node_arena, Arena_Node, 1);
sll_queue_push(global_prof_list.first_arena, global_prof_list.last_arena,
node);
node->arena = tctx->prof_arena;
tctx->prof_arena = make_arena(get_base_allocator_system(), KB(4));
if (thread->first_record == 0){
thread->first_record = tctx->prof_first;
thread->last_record = tctx->prof_last;
}
else{
thread->last_record->next = tctx->prof_first;
thread->last_record = tctx->prof_last;
}
thread->record_count += tctx->prof_record_count;
tctx->prof_record_count = 0;
tctx->prof_first = 0;
tctx->prof_last = 0;
}
}
}
function void
thread_set_name(Thread_Context *tctx, String_Const_u8 name){
Profile_Thread* thread = global_prof_get_thread(system_thread_get_id());
thread->name = name;
}
#define ProfileThreadName(tctx,name) thread_set_name((tctx), (name))
function void
global_prof_set_enabled(b32 value, Profile_Enable_Flag flag){
Mutex_Lock lock(global_prof_mutex);
if (value){
RemFlag(global_prof_list.disable_bits, flag);
}
else{
AddFlag(global_prof_list.disable_bits, flag);
}
}
function void
thread_profile_record__inner(Thread_Context *tctx, Profile_ID id, u64 time,
String_Const_u8 name, String_Const_u8 location){
Profile_Record *record = push_array_zero(&tctx->prof_arena, Profile_Record, 1);
sll_queue_push(tctx->prof_first, tctx->prof_last, record);
tctx->prof_record_count += 1;
record->id = id;
record->time = time;
record->location = location;
record->name = name;
}
function Profile_ID
thread_profile_record_push(Thread_Context *tctx, u64 time,
String_Const_u8 name, String_Const_u8 location){
Profile_ID id = tctx->prof_id_counter;
tctx->prof_id_counter += 1;
thread_profile_record__inner(tctx, id, time, name, location);
return(id);
}
function void
thread_profile_record_pop(Thread_Context *tctx, u64 time, Profile_ID id){
Assert(tctx->prof_id_counter > 1);
tctx->prof_id_counter = id;
thread_profile_record__inner(tctx, id, time, SCu8(""), SCu8(""));
}
function Profile_ID
thread_profile_record_push(Application_Links *app, u64 time,
String_Const_u8 name, String_Const_u8 location){
Thread_Context *tctx = get_thread_context(app);
return(thread_profile_record_push(tctx, time, name, location));
}
function void
thread_profile_record_pop(Application_Links *app, u64 time, Profile_ID id){
Thread_Context *tctx = get_thread_context(app);
thread_profile_record_pop(tctx, time, id);
}
////////////////////////////////
function void
profile_block__init(Thread_Context *tctx, String_Const_u8 name,
String_Const_u8 location, Profile_Block *block){
block->tctx = tctx;
block->is_closed = false;
block->id = thread_profile_record_push(tctx, system_now_time(), name, location);
}
function void
profile_block__init(Thread_Context *tctx, String_Const_u8 name,
String_Const_u8 location, Profile_Scope_Block *block){
block->tctx = tctx;
block->is_closed = false;
block->id = thread_profile_record_push(tctx, system_now_time(), name, location);
}
////////
Profile_Block::Profile_Block(Thread_Context *tctx, String_Const_u8 name,
String_Const_u8 location){
profile_block__init(tctx, name, location, this);
}
Profile_Block::Profile_Block(Application_Links *app, String_Const_u8 name,
String_Const_u8 location){
profile_block__init(get_thread_context(app), name, location, this);
}
Profile_Block::~Profile_Block(){
this->close_now();
}
void
Profile_Block::close_now(){
if (!this->is_closed){
thread_profile_record_pop(this->tctx, system_now_time(), this->id);
this->is_closed = true;
}
}
////////
Profile_Scope_Block::Profile_Scope_Block(Thread_Context *tctx, String_Const_u8 name,
String_Const_u8 location){
profile_block__init(tctx, name, location, this);
}
Profile_Scope_Block::Profile_Scope_Block(Application_Links *app, String_Const_u8 name,
String_Const_u8 location){
profile_block__init(get_thread_context(app), name, location, this);
}
Profile_Scope_Block::~Profile_Scope_Block(){
this->close_now();
thread_profile_flush(this->tctx);
}
void
Profile_Scope_Block::close_now(){
if (!this->is_closed){
thread_profile_record_pop(this->tctx, system_now_time(), this->id);
this->is_closed = true;
}
}
////////////////////////////////
CUSTOM_COMMAND_SIG(profile_enable)
CUSTOM_DOC("Allow 4coder's self profiler to gather new profiling information.")
{
global_prof_set_enabled(true, ProfileEnable_UserBit);
}
CUSTOM_COMMAND_SIG(profile_disable)
CUSTOM_DOC("Prevent 4coder's self profiler from gathering new profiling information.")
{
global_prof_set_enabled(false, ProfileEnable_UserBit);
}
CUSTOM_COMMAND_SIG(profile_clear)
CUSTOM_DOC("Clear all profiling information from 4coder's self profiler.")
{
global_prof_clear();
}
// BOTTOM