first half pass at new dbgi fuzzy searching functionality; distributes search amongst sub-tasks

This commit is contained in:
Ryan Fleury
2024-11-05 15:07:06 -08:00
parent 44b8c9e87c
commit 1621e504ce
13 changed files with 811 additions and 165 deletions
+531 -11
View File
@@ -5,9 +5,9 @@
//~ rjf: Basic Helpers
internal U64
di_hash_from_string(String8 string, StringMatchFlags match_flags)
di_hash_from_seed_string(U64 seed, String8 string, StringMatchFlags match_flags)
{
U64 result = 5381;
U64 result = seed;
for(U64 i = 0; i < string.size; i += 1)
{
result = ((result << 5) + result) + ((match_flags & StringMatchFlag_CaseInsensitive) ? char_to_lower(string.str[i]) : string.str[i]);
@@ -15,6 +15,13 @@ di_hash_from_string(String8 string, StringMatchFlags match_flags)
return result;
}
internal U64
di_hash_from_string(String8 string, StringMatchFlags match_flags)
{
U64 hash = di_hash_from_seed_string(5381, string, match_flags);
return hash;
}
internal U64
di_hash_from_key(DI_Key *k)
{
@@ -72,7 +79,65 @@ di_key_array_from_list(Arena *arena, DI_KeyList *list)
MemoryCopyStruct(&array.v[idx], &n->v);
}
return array;
}
}
internal DI_SearchParams
di_search_params_copy(Arena *arena, DI_SearchParams *src)
{
DI_SearchParams dst = {0};
MemoryCopyStruct(&dst, src);
dst.dbgi_keys.v = push_array(arena, DI_Key, dst.dbgi_keys.count);
for EachIndex(idx, dst.dbgi_keys.count)
{
dst.dbgi_keys.v[idx] = di_key_copy(arena, &src->dbgi_keys.v[idx]);
}
return dst;
}
internal U64
di_hash_from_search_params(DI_SearchParams *params)
{
U64 hash = 5381;
hash = di_hash_from_seed_string(hash, str8_struct(&params->target), 0);
for(U64 idx = 0; idx < params->dbgi_keys.count; idx += 1)
{
hash = di_hash_from_seed_string(hash, str8_struct(&params->dbgi_keys.v[idx].min_timestamp), 0);
hash = di_hash_from_seed_string(hash, params->dbgi_keys.v[idx].path, StringMatchFlag_CaseInsensitive);
}
return hash;
}
internal void
di_search_item_chunk_list_concat_in_place(DI_SearchItemChunkList *dst, DI_SearchItemChunkList *to_push)
{
if(dst->first && to_push->first)
{
dst->last->next = to_push->first;
dst->last = to_push->last;
dst->chunk_count += to_push->chunk_count;
dst->total_count += to_push->total_count;
}
else if(dst->first == 0)
{
MemoryCopyStruct(dst, to_push);
}
MemoryZeroStruct(to_push);
}
internal U64
di_search_item_num_from_array_element_idx__linear_search(DI_SearchItemArray *array, U64 element_idx)
{
U64 fuzzy_item_num = 0;
for(U64 idx = 0; idx < array->count; idx += 1)
{
if(array->v[idx].idx == element_idx)
{
fuzzy_item_num = idx+1;
break;
}
}
return fuzzy_item_num;
}
////////////////////////////////
//~ rjf: Main Layer Initialization
@@ -93,14 +158,35 @@ di_init(void)
di_shared->stripes[idx].rw_mutex = os_rw_mutex_alloc();
di_shared->stripes[idx].cv = os_condition_variable_alloc();
}
di_shared->search_slots_count = 512;
di_shared->search_slots = push_array(arena, DI_SearchSlot, di_shared->search_slots_count);
di_shared->search_stripes_count = Min(di_shared->search_slots_count, os_get_system_info()->logical_processor_count);
di_shared->search_stripes = push_array(arena, DI_SearchStripe, di_shared->search_stripes_count);
for(U64 idx = 0; idx < di_shared->search_stripes_count; idx += 1)
{
di_shared->search_stripes[idx].arena = arena_alloc();
di_shared->search_stripes[idx].r_mutex = os_rw_mutex_alloc();
di_shared->search_stripes[idx].w_mutex = os_rw_mutex_alloc();
di_shared->search_stripes[idx].cv = os_condition_variable_alloc();
}
di_shared->u2p_ring_mutex = os_mutex_alloc();
di_shared->u2p_ring_cv = os_condition_variable_alloc();
di_shared->u2p_ring_size = KB(64);
di_shared->u2p_ring_base = push_array_no_zero(arena, U8, di_shared->u2p_ring_size);
di_shared->u2p_ring_base = push_array_no_zero(arena, U8, di_shared->u2p_ring_size);
di_shared->p2u_ring_mutex = os_mutex_alloc();
di_shared->p2u_ring_cv = os_condition_variable_alloc();
di_shared->p2u_ring_size = KB(64);
di_shared->p2u_ring_base = push_array_no_zero(arena, U8, di_shared->p2u_ring_size);
di_shared->search_threads_count = 1;
di_shared->search_threads = push_array(arena, DI_SearchThread, di_shared->search_threads_count);
for EachIndex(idx, di_shared->search_threads_count)
{
di_shared->search_threads[idx].ring_mutex = os_mutex_alloc();
di_shared->search_threads[idx].ring_cv = os_condition_variable_alloc();
di_shared->search_threads[idx].ring_size = KB(64);
di_shared->search_threads[idx].ring_base = push_array_no_zero(arena, U8, di_shared->search_threads[idx].ring_size);
di_shared->search_threads[idx].thread = os_thread_launch(di_search_thread__entry_point, (void *)idx, 0);
}
}
////////////////////////////////
@@ -138,6 +224,10 @@ di_scope_close(DI_Scope *scope)
{
ins_atomic_u64_dec_eval(&t->node->touch_count);
}
if(t->search_node != 0)
{
ins_atomic_u64_dec_eval(&t->search_node->scope_refcount);
}
SLLStackPush(di_tctx->free_touch, t);
}
SLLStackPush(di_tctx->free_scope, scope);
@@ -164,6 +254,27 @@ di_scope_touch_node__stripe_mutex_r_guarded(DI_Scope *scope, DI_Node *node)
touch->node = node;
}
internal void
di_scope_touch_search_node__stripe_mutex_r_guarded(DI_Scope *scope, DI_SearchNode *node)
{
if(node != 0)
{
ins_atomic_u64_inc_eval(&node->scope_refcount);
}
DI_Touch *touch = di_tctx->free_touch;
if(touch != 0)
{
SLLStackPop(di_tctx->free_touch);
}
else
{
touch = push_array_no_zero(di_tctx->arena, DI_Touch, 1);
}
MemoryZeroStruct(touch);
SLLQueuePush(scope->first_touch, scope->last_touch, touch);
touch->search_node = node;
}
////////////////////////////////
//~ rjf: Per-Slot Functions
@@ -331,8 +442,8 @@ di_open(DI_Key *key)
node->ref_count += 1;
if(node->ref_count == 1)
{
di_u2p_enqueue_key(&key_normalized, max_U64);
async_push_work(di_parse_work);
di_u2p_enqueue_key(&key_normalized, max_U64);
async_push_work(di_parse_work);
}
}
}
@@ -406,7 +517,7 @@ di_close(DI_Key *key)
}
////////////////////////////////
//~ rjf: Cache Lookups
//~ rjf: Debug Info Cache Lookups
internal RDI_Parsed *
di_rdi_from_key(DI_Scope *scope, DI_Key *key, U64 endt_us)
@@ -449,11 +560,11 @@ di_rdi_from_key(DI_Scope *scope, DI_Key *key, U64 endt_us)
//- rjf: parse not done, not working -> ask for parse
if(node != 0 &&
!node->parse_done &&
ins_atomic_u64_eval(&node->request_count) == ins_atomic_u64_eval(&node->completion_count) &&
ins_atomic_u64_eval(&node->request_count) == ins_atomic_u64_eval(&node->completion_count) &&
di_u2p_enqueue_key(&key_normalized, endt_us))
{
{
ins_atomic_u64_inc_eval(&node->request_count);
async_push_work(di_parse_work, .completion_counter = &node->completion_count);
async_push_work(di_parse_work, .completion_counter = &node->completion_count);
}
//- rjf: time expired -> break
@@ -470,7 +581,91 @@ di_rdi_from_key(DI_Scope *scope, DI_Key *key, U64 endt_us)
scratch_end(scratch);
}
return result;
}
}
////////////////////////////////
//~ rjf: Search Cache Lookups
internal DI_SearchItemArray
di_search_items_from_key_params_query(DI_Scope *scope, U128 key, DI_SearchParams *params, String8 query, U64 endt_us, B32 *stale_out)
{
DI_SearchItemArray items = {0};
{
U64 params_hash = di_hash_from_search_params(params);
U64 thread_idx = key.u64[0]%di_shared->search_threads_count;
U64 slot_idx = key.u64[0]%di_shared->search_slots_count;
U64 stripe_idx = slot_idx%di_shared->search_stripes_count;
DI_SearchSlot * slot = &di_shared->search_slots[slot_idx];
DI_SearchStripe * stripe = &di_shared->search_stripes[stripe_idx];
OS_MutexScopeR(stripe->r_mutex) for(;;)
{
// rjf: map key -> node
DI_SearchNode *node = 0;
for(DI_SearchNode *n = slot->first; n != 0; n = n->next)
{
if(u128_match(n->key, key))
{
node = n;
break;
}
}
// rjf: no node? -> allocate
if(node == 0) OS_MutexScopeW(stripe->w_mutex) OS_MutexScopeRWPromote(stripe->r_mutex)
{
node = push_array(stripe->arena, DI_SearchNode, 1);
SLLQueuePush(slot->first, slot->last, node);
node->key = key;
for(U64 idx = 0; idx < ArrayCount(node->buckets); idx += 1)
{
node->buckets[idx].arena = arena_alloc();
}
}
// rjf: record update idx info
ins_atomic_u64_eval_assign(&node->last_update_tick_idx, update_tick_idx());
// rjf: try to grab last valid results for this key/query; determine if stale
B32 stale = 1;
if(params_hash == node->buckets[node->bucket_read_gen%ArrayCount(node->buckets)].params_hash &&
node->bucket_read_gen != 0)
{
di_scope_touch_search_node__stripe_mutex_r_guarded(scope, node);
items = node->items;
stale = !str8_match(query, node->buckets[node->bucket_read_gen%ArrayCount(node->buckets)].query, 0);
if(stale_out != 0)
{
*stale_out = stale;
}
}
// rjf: if stale -> request again
if(stale) OS_MutexScopeW(stripe->w_mutex) OS_MutexScopeRWPromote(stripe->r_mutex)
{
if(node->bucket_read_gen <= node->bucket_write_gen && node->bucket_write_gen < node->bucket_read_gen + ArrayCount(node->buckets)-1)
{
node->bucket_write_gen += 1;
U64 new_bucket_idx = node->bucket_write_gen%ArrayCount(node->buckets);
arena_clear(node->buckets[new_bucket_idx].arena);
node->buckets[new_bucket_idx].query = push_str8_copy(node->buckets[new_bucket_idx].arena, query);
node->buckets[new_bucket_idx].params = di_search_params_copy(node->buckets[new_bucket_idx].arena, params);
node->buckets[new_bucket_idx].params_hash = params_hash;
di_u2s_enqueue_req(thread_idx, key, endt_us);
}
}
// rjf: not stale, or timeout -> break
if(!stale || os_now_microseconds() >= endt_us)
{
break;
}
// rjf: no results, but have time to wait -> wait
os_condition_variable_wait_rw_r(stripe->cv, stripe->r_mutex, endt_us);
}
}
return items;
}
////////////////////////////////
//~ rjf: Parse Threads
@@ -580,6 +775,7 @@ di_p2u_pop_events(Arena *arena, U64 endt_us)
ASYNC_WORK_DEF(di_parse_work)
{
ProfBeginFunction();
Temp scratch = scratch_begin(0, 0);
////////////////////////////
@@ -877,5 +1073,329 @@ ASYNC_WORK_DEF(di_parse_work)
os_condition_variable_broadcast(stripe->cv);
scratch_end(scratch);
ProfEnd();
return 0;
}
////////////////////////////////
//~ rjf: Search Threads
internal B32
di_u2s_enqueue_req(U64 thread_idx, U128 key, U64 endt_us)
{
B32 result = 0;
DI_SearchThread *thread = &di_shared->search_threads[thread_idx];
OS_MutexScope(thread->ring_mutex) for(;;)
{
U64 unconsumed_size = thread->ring_write_pos - thread->ring_read_pos;
U64 available_size = thread->ring_size - unconsumed_size;
if(available_size >= sizeof(key))
{
result = 1;
thread->ring_write_pos += ring_write_struct(thread->ring_base, thread->ring_size, thread->ring_write_pos, &key);
break;
}
if(os_now_microseconds() >= endt_us)
{
break;
}
os_condition_variable_wait(thread->ring_cv, thread->ring_mutex, endt_us);
}
if(result)
{
os_condition_variable_broadcast(thread->ring_cv);
}
return result;
}
internal U128
di_u2s_dequeue_req(U64 thread_idx)
{
U128 key = {0};
DI_SearchThread *thread = &di_shared->search_threads[thread_idx];
OS_MutexScope(thread->ring_mutex) for(;;)
{
U64 unconsumed_size = thread->ring_write_pos - thread->ring_read_pos;
if(unconsumed_size >= sizeof(key))
{
thread->ring_read_pos += ring_read_struct(thread->ring_base, thread->ring_size, thread->ring_read_pos, &key);
break;
}
os_condition_variable_wait(thread->ring_cv, thread->ring_mutex, max_U64);
}
os_condition_variable_broadcast(thread->ring_cv);
return key;
}
typedef struct DI_SearchWorkIn DI_SearchWorkIn;
struct DI_SearchWorkIn
{
Arena **work_thread_arenas;
RDI_Parsed *rdi;
RDI_SectionKind section_kind;
Rng1U64 element_range;
String8 query;
U64 dbgi_idx;
};
typedef struct DI_SearchWorkOut DI_SearchWorkOut;
struct DI_SearchWorkOut
{
DI_SearchItemChunkList items;
};
ASYNC_WORK_DEF(di_search_work)
{
ProfBeginFunction();
//- rjf: unpack parameters
DI_SearchWorkIn *in = (DI_SearchWorkIn *)input;
if(in->work_thread_arenas[thread_idx] == 0)
{
in->work_thread_arenas[thread_idx] = arena_alloc();
}
Arena *arena = in->work_thread_arenas[thread_idx];
//- rjf: setup output
DI_SearchWorkOut *out = push_array(arena, DI_SearchWorkOut, 1);
//- rjf: unpack table info
U64 element_count = 0;
void *table_base = rdi_section_raw_table_from_kind(in->rdi, in->section_kind, &element_count);
U64 element_size = rdi_section_element_size_table[in->section_kind];
//- rjf: determine name string index offset, depending on table kind
U64 element_name_idx_off = 0;
switch(in->section_kind)
{
default:{}break;
case RDI_SectionKind_Procedures:
{
element_name_idx_off = OffsetOf(RDI_Procedure, name_string_idx);
}break;
case RDI_SectionKind_GlobalVariables:
{
element_name_idx_off = OffsetOf(RDI_GlobalVariable, name_string_idx);
}break;
case RDI_SectionKind_ThreadVariables:
{
element_name_idx_off = OffsetOf(RDI_ThreadVariable, name_string_idx);
}break;
case RDI_SectionKind_UDTs:
{
// NOTE(rjf): name must be determined from self_type_idx
}break;
}
//- rjf: loop through table, gather matches
for(U64 idx = in->element_range.min; idx < in->element_range.max && idx < element_count; idx += 1)
{
//- rjf: get element, map to string; if empty, continue to next element
void *element = (U8 *)table_base + element_size*idx;
U32 *name_idx_ptr = (U32 *)((U8 *)element + element_name_idx_off);
if(in->section_kind == RDI_SectionKind_UDTs)
{
RDI_UDT *udt = (RDI_UDT *)element;
RDI_TypeNode *type_node = rdi_element_from_name_idx(in->rdi, TypeNodes, udt->self_type_idx);
name_idx_ptr = &type_node->user_defined.name_string_idx;
}
U32 name_idx = *name_idx_ptr;
U64 name_size = 0;
U8 *name_base = rdi_string_from_idx(in->rdi, name_idx, &name_size);
String8 name = str8(name_base, name_size);
if(name.size == 0) { continue; }
//- rjf: fuzzy match against query
FuzzyMatchRangeList matches = fuzzy_match_find(arena, in->query, name);
//- rjf: collect
if(matches.count == matches.needle_part_count)
{
DI_SearchItemChunk *chunk = out->items.last;
if(chunk == 0 || chunk->count >= chunk->cap)
{
chunk = push_array(arena, DI_SearchItemChunk, 1);
chunk->cap = 1024;
chunk->count = 0;
chunk->v = push_array_no_zero(arena, DI_SearchItem, chunk->cap);
SLLQueuePush(out->items.first, out->items.last, chunk);
out->items.chunk_count += 1;
}
chunk->v[chunk->count].idx = idx;
chunk->v[chunk->count].dbgi_idx = in->dbgi_idx;
chunk->v[chunk->count].match_ranges = matches;
chunk->v[chunk->count].missed_size = (name_size > matches.total_dim) ? (name_size-matches.total_dim) : 0;
chunk->count += 1;
out->items.total_count += 1;
}
}
ProfEnd();
return out;
}
internal int
di_qsort_compare_search_items(DI_SearchItem *a, DI_SearchItem *b)
{
int result = 0;
if(a->match_ranges.count > b->match_ranges.count)
{
result = -1;
}
else if(a->match_ranges.count < b->match_ranges.count)
{
result = +1;
}
else if(a->missed_size < b->missed_size)
{
result = -1;
}
else if(a->missed_size > b->missed_size)
{
result = +1;
}
return result;
}
internal void
di_search_thread__entry_point(void *p)
{
U64 thread_idx = (U64)p;
ThreadNameF("[di] search thread #%I64u", thread_idx);
for(;;)
{
Temp scratch = scratch_begin(0, 0);
DI_Scope *di_scope = di_scope_open();
//- rjf: get next key, unpack
U128 key = di_u2s_dequeue_req(thread_idx);
U64 slot_idx = key.u64[0]%di_shared->search_slots_count;
U64 stripe_idx = slot_idx%di_shared->search_stripes_count;
DI_SearchSlot * slot = &di_shared->search_slots[slot_idx];
DI_SearchStripe * stripe = &di_shared->search_stripes[stripe_idx];
//- rjf: map key -> output arena & search parameters
Arena *arena = 0;
String8 query = {0};
DI_SearchParams params = {0};
OS_MutexScopeR(stripe->r_mutex)
{
for(DI_SearchNode *n = slot->first; n != 0; n = n->next)
{
if(u128_match(n->key, key))
{
U64 bucket_idx = n->bucket_write_gen%ArrayCount(n->buckets);
arena = n->buckets[bucket_idx].arena;
query = push_str8_copy(scratch.arena, n->buckets[bucket_idx].query);
params = di_search_params_copy(scratch.arena, &n->buckets[bucket_idx].params);
break;
}
}
}
//- rjf: get all rdis
U64 rdis_count = params.dbgi_keys.count;
RDI_Parsed **rdis = push_array(scratch.arena, RDI_Parsed *, rdis_count);
for EachIndex(idx, rdis_count)
{
rdis[idx] = di_rdi_from_key(di_scope, &params.dbgi_keys.v[idx], max_U64);
}
//- rjf: kick off search tasks
ASYNC_TaskList tasks = {0};
Arena **work_thread_arenas = 0;
if(arena != 0)
{
U64 elements_per_task = 16384;
work_thread_arenas = push_array(arena, Arena *, async_thread_count());
for EachIndex(idx, rdis_count)
{
RDI_Parsed *rdi = rdis[idx];
U64 element_count_in_this_rdi = 0;
rdi_section_raw_table_from_kind(rdi, params.target, &element_count_in_this_rdi);
U64 tasks_per_this_rdi = (element_count_in_this_rdi+elements_per_task-1)/elements_per_task;
for(U64 task_in_this_rdi_idx = 0; task_in_this_rdi_idx < tasks_per_this_rdi; task_in_this_rdi_idx += 1)
{
DI_SearchWorkIn *in = push_array(scratch.arena, DI_SearchWorkIn, 1);
in->work_thread_arenas = work_thread_arenas;
in->rdi = rdi;
in->section_kind = params.target;
in->element_range = r1u64(task_in_this_rdi_idx*elements_per_task, (task_in_this_rdi_idx+1)*elements_per_task);
in->element_range.max = ClampTop(in->element_range.max, element_count_in_this_rdi);
in->query = query;
in->dbgi_idx = idx;
async_task_list_push(scratch.arena, &tasks, async_task_launch(scratch.arena, di_search_work, .input = in));
}
}
}
//- rjf: join tasks, form final list
DI_SearchItemChunkList items_list = {0};
for(ASYNC_TaskNode *n = tasks.first; n != 0; n = n->next)
{
DI_SearchWorkOut *out = async_task_join_struct(n->v, DI_SearchWorkOut);
di_search_item_chunk_list_concat_in_place(&items_list, &out->items);
}
//- rjf: list -> array
DI_SearchItemArray items = {0};
{
items.count = items_list.total_count;
items.v = push_array(arena, DI_SearchItem, items.count);
U64 idx = 0;
for(DI_SearchItemChunk *chunk = items_list.first; chunk != 0; chunk = chunk->next)
{
MemoryCopy(items.v + idx, chunk->v, sizeof(chunk->v[0])*chunk->count);
for EachIndex(idx, chunk->count)
{
items.v[idx].match_ranges = fuzzy_match_range_list_copy(arena, &items.v[idx].match_ranges);
}
}
}
//- rjf: release all search work artifact arenas
if(work_thread_arenas != 0)
{
for EachIndex(idx, async_thread_count())
{
if(work_thread_arenas[idx] != 0)
{
arena_release(work_thread_arenas[idx]);
}
}
}
//- rjf: array -> sorted array
if(items.count != 0 && query.size != 0)
{
quick_sort(items.v, items.count, sizeof(DI_SearchItem), di_qsort_compare_search_items);
}
//- rjf: commit to cache - busyloop on scope touches
if(arena != 0)
{
for(B32 done = 0; !done;)
{
B32 found = 0;
OS_MutexScopeW(stripe->r_mutex) OS_MutexScopeW(stripe->w_mutex) for(DI_SearchNode *n = slot->first; n != 0; n = n->next)
{
if(u128_match(n->key, key))
{
if(n->scope_refcount == 0)
{
n->bucket_read_gen += 1;
n->items = items;
done = 1;
}
found = 1;
break;
}
}
if(!found)
{
break;
}
}
}
di_scope_close(di_scope);
scratch_end(scratch);
}
}
+132 -1
View File
@@ -127,6 +127,90 @@ struct DI_Stripe
OS_Handle cv;
};
////////////////////////////////
//~ rjf: Search Cache Types
typedef struct DI_SearchItem DI_SearchItem;
struct DI_SearchItem
{
U64 idx;
U64 dbgi_idx;
U64 missed_size;
FuzzyMatchRangeList match_ranges;
};
typedef struct DI_SearchItemChunk DI_SearchItemChunk;
struct DI_SearchItemChunk
{
DI_SearchItemChunk *next;
DI_SearchItem *v;
U64 count;
U64 cap;
};
typedef struct DI_SearchItemChunkList DI_SearchItemChunkList;
struct DI_SearchItemChunkList
{
DI_SearchItemChunk *first;
DI_SearchItemChunk *last;
U64 chunk_count;
U64 total_count;
};
typedef struct DI_SearchItemArray DI_SearchItemArray;
struct DI_SearchItemArray
{
DI_SearchItem *v;
U64 count;
};
typedef struct DI_SearchParams DI_SearchParams;
struct DI_SearchParams
{
RDI_SectionKind target;
DI_KeyArray dbgi_keys;
};
typedef struct DI_SearchBucket DI_SearchBucket;
struct DI_SearchBucket
{
Arena *arena;
String8 query;
U64 params_hash;
DI_SearchParams params;
};
typedef struct DI_SearchNode DI_SearchNode;
struct DI_SearchNode
{
DI_SearchNode *next;
DI_SearchNode *prev;
U128 key;
U64 scope_refcount;
U64 last_update_tick_idx;
U64 bucket_read_gen;
U64 bucket_write_gen;
DI_SearchBucket buckets[6];
DI_SearchItemArray items;
};
typedef struct DI_SearchSlot DI_SearchSlot;
struct DI_SearchSlot
{
DI_SearchNode *first;
DI_SearchNode *last;
};
typedef struct DI_SearchStripe DI_SearchStripe;
struct DI_SearchStripe
{
Arena *arena;
DI_SearchNode *free_node;
OS_Handle r_mutex;
OS_Handle w_mutex;
OS_Handle cv;
};
////////////////////////////////
//~ rjf: Scoped Access Types
@@ -135,6 +219,7 @@ struct DI_Touch
{
DI_Touch *next;
DI_Node *node;
DI_SearchNode *search_node;
};
typedef struct DI_Scope DI_Scope;
@@ -153,6 +238,21 @@ struct DI_TCTX
DI_Touch *free_touch;
};
////////////////////////////////
//~ rjf: Search Thread State Types
typedef struct DI_SearchThread DI_SearchThread;
struct DI_SearchThread
{
OS_Handle thread;
OS_Handle ring_mutex;
OS_Handle ring_cv;
U64 ring_size;
U8 *ring_base;
U64 ring_write_pos;
U64 ring_read_pos;
};
////////////////////////////////
//~ rjf: Shared State Types
@@ -167,6 +267,12 @@ struct DI_Shared
U64 stripes_count;
DI_Stripe *stripes;
// rjf: search cache
U64 search_slots_count;
DI_SearchSlot *search_slots;
U64 search_stripes_count;
DI_SearchStripe *search_stripes;
// rjf: user -> parse ring
OS_Handle u2p_ring_mutex;
OS_Handle u2p_ring_cv;
@@ -182,6 +288,10 @@ struct DI_Shared
U8 *p2u_ring_base;
U64 p2u_ring_write_pos;
U64 p2u_ring_read_pos;
// rjf: search threads
U64 search_threads_count;
DI_SearchThread *search_threads;
};
////////////////////////////////
@@ -194,6 +304,7 @@ global RDI_Parsed di_rdi_parsed_nil = {0};
////////////////////////////////
//~ rjf: Basic Helpers
internal U64 di_hash_from_seed_string(U64 seed, String8 string, StringMatchFlags match_flags);
internal U64 di_hash_from_string(String8 string, StringMatchFlags match_flags);
internal U64 di_hash_from_key(DI_Key *k);
internal DI_Key di_key_zero(void);
@@ -202,6 +313,10 @@ internal DI_Key di_key_copy(Arena *arena, DI_Key *src);
internal DI_Key di_normalized_key_from_key(Arena *arena, DI_Key *src);
internal void di_key_list_push(Arena *arena, DI_KeyList *list, DI_Key *key);
internal DI_KeyArray di_key_array_from_list(Arena *arena, DI_KeyList *list);
internal DI_SearchParams di_search_params_copy(Arena *arena, DI_SearchParams *src);
internal U64 di_hash_from_search_params(DI_SearchParams *params);
internal void di_search_item_chunk_list_concat_in_place(DI_SearchItemChunkList *dst, DI_SearchItemChunkList *to_push);
internal U64 di_search_item_num_from_array_element_idx__linear_search(DI_SearchItemArray *array, U64 element_idx);
////////////////////////////////
//~ rjf: Main Layer Initialization
@@ -214,6 +329,7 @@ internal void di_init(void);
internal DI_Scope *di_scope_open(void);
internal void di_scope_close(DI_Scope *scope);
internal void di_scope_touch_node__stripe_mutex_r_guarded(DI_Scope *scope, DI_Node *node);
internal void di_scope_touch_search_node__stripe_mutex_r_guarded(DI_Scope *scope, DI_SearchNode *node);
////////////////////////////////
//~ rjf: Per-Slot Functions
@@ -234,10 +350,15 @@ internal void di_open(DI_Key *key);
internal void di_close(DI_Key *key);
////////////////////////////////
//~ rjf: Cache Lookups
//~ rjf: Debug Info Cache Lookups
internal RDI_Parsed *di_rdi_from_key(DI_Scope *scope, DI_Key *key, U64 endt_us);
////////////////////////////////
//~ rjf: Search Cache Lookups
internal DI_SearchItemArray di_search_items_from_key_params_query(DI_Scope *scope, U128 key, DI_SearchParams *params, String8 query, U64 endt_us, B32 *stale_out);
////////////////////////////////
//~ rjf: Asynchronous Parse Work
@@ -249,4 +370,14 @@ internal DI_EventList di_p2u_pop_events(Arena *arena, U64 endt_us);
ASYNC_WORK_DEF(di_parse_work);
////////////////////////////////
//~ rjf: Search Threads
internal B32 di_u2s_enqueue_req(U64 thread_idx, U128 key, U64 endt_us);
internal U128 di_u2s_dequeue_req(U64 thread_idx);
ASYNC_WORK_DEF(di_search_work);
internal int di_qsort_compare_search_items(DI_SearchItem *a, DI_SearchItem *b);
internal void di_search_thread__entry_point(void *p);
#endif // DBGI_H