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InnoDB: Define some macros around GCC's __builtin_expect() 

and __builtin_prefetch().
Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.


innobase/btr/btr0btr.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/btr/btr0cur.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/btr/btr0sea.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/include/univ.i:
  Define UNIV_EXPECT(), UNIV_LIKELY(), UNIV_UNLIKELY(),
  UNIV_LIKELY_NULL(), UNIV_PREFETCH_R() and UNIV_PREFETCH_RW().
innobase/lock/lock0lock.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/page/page0cur.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/page/page0page.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/rem/rem0rec.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0ins.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0mysql.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0purge.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0row.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0sel.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0undo.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0upd.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/trx/trx0rec.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
parent ea5c2a14
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Inline Side-by-side
Showing with 82 additions and 68 deletions
innobase/btr/btr0btr.c
View file @ 4e0e9a3b
......@@ -1284,14 +1284,14 @@ btr_page_get_sure_split_rec(
next_rec = page_rec_get_next(rec);
}
if (next_rec != page_get_supremum_rec(page)) {
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(next_rec);
}
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(rec);
......@@ -2109,7 +2109,7 @@ btr_compress(
rec_get_offsets(node_ptr, cursor->index,
offsets_, ULINT_UNDEFINED, &heap),
right_page_no, mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
btr_node_ptr_delete(tree, merge_page, mtr);
......@@ -2403,7 +2403,7 @@ btr_print_tree(
root = btr_root_get(tree, &mtr);
btr_print_recursive(tree, root, width, &heap, &offsets, &mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......@@ -2557,14 +2557,14 @@ btr_index_rec_validate(
rec_print_new(stderr, rec, offsets);
putc('\n', stderr);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(FALSE);
}
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(TRUE);
......
innobase/btr/btr0cur.c
View file @ 4e0e9a3b
......@@ -431,7 +431,7 @@ btr_cur_search_to_nth_level(
cursor->thr)) {
/* Insertion to the insert buffer succeeded */
cursor->flag = BTR_CUR_INSERT_TO_IBUF;
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return;
......@@ -525,7 +525,7 @@ btr_cur_search_to_nth_level(
page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......@@ -681,7 +681,7 @@ btr_cur_open_at_index_side(
page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -762,7 +762,7 @@ btr_cur_open_at_rnd_pos(
page_no = btr_node_ptr_get_child_page_no(node_ptr, offsets);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -1261,7 +1261,7 @@ btr_cur_upd_lock_and_undo(
err = lock_clust_rec_modify_check_and_lock(flags, rec, index,
rec_get_offsets(rec, index, offsets_,
ULINT_UNDEFINED, &heap), thr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
if (err != DB_SUCCESS) {
......@@ -1451,7 +1451,7 @@ btr_cur_update_in_place(
thr, &roll_ptr);
if (err != DB_SUCCESS) {
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......@@ -1498,7 +1498,7 @@ btr_cur_update_in_place(
btr_cur_unmark_extern_fields(rec, mtr, offsets);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(DB_SUCCESS);
......@@ -2078,7 +2078,7 @@ btr_cur_parse_del_mark_set_clust_rec(
rec_get_offsets(rec, index, offsets_,
ULINT_UNDEFINED, &heap),
pos, trx_id, roll_ptr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -2138,7 +2138,7 @@ btr_cur_del_mark_set_clust_rec(
if (err != DB_SUCCESS) {
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......@@ -2149,7 +2149,7 @@ btr_cur_del_mark_set_clust_rec(
&roll_ptr);
if (err != DB_SUCCESS) {
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......@@ -2175,7 +2175,7 @@ btr_cur_del_mark_set_clust_rec(
btr_cur_del_mark_set_clust_rec_log(flags, rec, index, val, trx,
roll_ptr, mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(DB_SUCCESS);
......@@ -2443,7 +2443,7 @@ btr_cur_optimistic_delete(
mtr);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......@@ -2943,7 +2943,7 @@ btr_estimate_number_of_different_key_vals(
}
mem_free(n_diff);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......
innobase/btr/btr0sea.c
View file @ 4e0e9a3b
......@@ -435,7 +435,7 @@ btr_search_update_hash_ref(
offsets_, ULINT_UNDEFINED, &heap),
block->curr_n_fields,
block->curr_n_bytes, tree_id);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
#ifdef UNIV_SYNC_DEBUG
......@@ -659,7 +659,7 @@ btr_search_check_guess(
success = cmp != 1;
}
exit_func:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(success);
......@@ -1010,7 +1010,7 @@ btr_search_drop_page_hash_index(
prev_fold = fold;
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......@@ -1252,7 +1252,7 @@ btr_search_build_page_hash_index(
mem_free(folds);
mem_free(recs);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -1370,7 +1370,7 @@ btr_search_update_hash_on_delete(
fold = rec_fold(rec, rec_get_offsets(rec, cursor->index, offsets_,
ULINT_UNDEFINED, &heap), block->curr_n_fields,
block->curr_n_bytes, tree_id);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
rw_lock_x_lock(&btr_search_latch);
......@@ -1573,7 +1573,7 @@ btr_search_update_hash_on_insert(
}
function_exit:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
if (locked) {
......@@ -1662,7 +1662,7 @@ btr_search_validate(void)
}
rw_lock_x_unlock(&btr_search_latch);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......
innobase/include/univ.i
View file @ 4e0e9a3b
......@@ -243,6 +243,20 @@ contains the sum of the following flag and the locally stored len. */
#define UNIV_EXTERN_STORAGE_FIELD (UNIV_SQL_NULL - UNIV_PAGE_SIZE)
#if defined(__GNUC__) && (__GNUC__ > 2)
# define UNIV_EXPECT(expr,value) __builtin_expect(expr, value)
# define UNIV_LIKELY_NULL(expr) __builtin_expect((ulint) expr, 0)
# define UNIV_PREFETCH_R(addr) __builtin_prefetch(addr, 0, 3)
# define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3)
#else
# define UNIV_EXPECT(expr,value) (expr)
# define UNIV_LIKELY_NULL(expr) (expr)
# define UNIV_PREFETCH_R(addr) ((void) 0)
# define UNIV_PREFETCH_RW(addr) ((void) 0)
#endif
#define UNIV_LIKELY(expr) UNIV_EXPECT(expr, TRUE)
#define UNIV_UNLIKELY(expr) UNIV_EXPECT(expr, FALSE)
#include <stdio.h>
#include "ut0dbg.h"
#include "ut0ut.h"
......
innobase/lock/lock0lock.c
View file @ 4e0e9a3b
......@@ -4187,7 +4187,7 @@ lock_rec_print(
}
mtr_commit(&mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -4664,7 +4664,7 @@ lock_rec_validate_page(
mtr_commit(&mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(TRUE);
......@@ -4850,7 +4850,7 @@ lock_rec_insert_check_and_lock(
offsets = rec_get_offsets(next_rec, index, offsets_,
ULINT_UNDEFINED, &heap);
ut_ad(lock_rec_queue_validate(next_rec, index, offsets));
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -4999,7 +4999,7 @@ lock_sec_rec_modify_check_and_lock(
offsets = rec_get_offsets(rec, index, offsets_,
ULINT_UNDEFINED, &heap);
ut_ad(lock_rec_queue_validate(rec, index, offsets));
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......
innobase/page/page0cur.c
View file @ 4e0e9a3b
......@@ -129,7 +129,7 @@ page_cur_try_search_shortcut(
#endif
success = TRUE;
exit_func:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(success);
......@@ -451,7 +451,7 @@ page_cur_search_with_match(
*iup_matched_bytes = up_matched_bytes;
*ilow_matched_fields = low_matched_fields;
*ilow_matched_bytes = low_matched_bytes;
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -539,7 +539,7 @@ page_cur_insert_rec_write_log(
ut_ad(rec_size == rec_offs_size(ins_offs));
cur_rec_size = rec_offs_size(cur_offs);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -821,7 +821,7 @@ page_cur_parse_insert_rec(
mem_free(buf);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......@@ -890,7 +890,7 @@ page_cur_insert_rec_low(
insert_buf = page_mem_alloc(page, rec_size, index, &heap_no);
if (insert_buf == NULL) {
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(NULL);
......@@ -980,7 +980,7 @@ page_cur_insert_rec_low(
page_cur_insert_rec_write_log(insert_rec, rec_size, current_rec,
index, mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(insert_rec);
......@@ -1186,7 +1186,7 @@ page_copy_rec_list_end_to_created_page(
slot_index--;
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......@@ -1285,7 +1285,7 @@ page_cur_parse_delete_rec(
page_cur_delete_rec(&cursor, index,
rec_get_offsets(rec, index, offsets_,
ULINT_UNDEFINED, &heap), mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......
innobase/page/page0page.c
View file @ 4e0e9a3b
......@@ -252,13 +252,13 @@ page_mem_alloc(
*heap_no = rec_get_heap_no(rec, page_is_comp(page));
block = rec_get_start(rec, offsets);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(block);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -514,7 +514,7 @@ page_copy_rec_list_end_no_locks(
page_cur_move_to_next(&cur2);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -608,7 +608,7 @@ page_copy_rec_list_start(
btr_search_move_or_delete_hash_entries(new_page, page, index);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -772,7 +772,7 @@ page_delete_rec_list_end(
rec2 = page_rec_get_next(rec2);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -868,7 +868,7 @@ page_delete_rec_list_start(
page_cur_delete_rec(&cur1, index, offsets, mtr);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......@@ -1381,7 +1381,7 @@ page_print_list(
"--------------------------------\n",
(ulong) (count + 1));
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......
innobase/rem/rem0rec.c
View file @ 4e0e9a3b
......@@ -965,7 +965,7 @@ rec_convert_dtuple_to_rec(
offsets = rec_get_offsets(rec, index,
offsets_, ULINT_UNDEFINED, &heap);
ut_ad(rec_validate(rec, offsets));
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -1412,7 +1412,7 @@ rec_print(
rec_print_new(file, rec, rec_get_offsets(rec, index, offsets_,
ULINT_UNDEFINED, &heap));
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......
innobase/row/row0ins.c
View file @ 4e0e9a3b
......@@ -1392,7 +1392,7 @@ row_ins_check_foreign_constraint(
}
exit_func:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......@@ -1660,7 +1660,7 @@ row_ins_scan_sec_index_for_duplicate(
}
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
mtr_commit(&mtr);
......@@ -2048,7 +2048,7 @@ row_ins_index_entry_low(
mtr_commit(&mtr);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......
innobase/row/row0mysql.c
View file @ 4e0e9a3b
......@@ -3845,7 +3845,7 @@ row_rename_table_for_mysql(
que_graph_free(graph);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......
innobase/row/row0purge.c
View file @ 4e0e9a3b
......@@ -126,7 +126,7 @@ row_purge_remove_clust_if_poss_low(
if (0 != ut_dulint_cmp(node->roll_ptr,
row_get_rec_roll_ptr(rec, index, rec_get_offsets(
rec, index, offsets_, ULINT_UNDEFINED, &heap)))) {
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
/* Someone else has modified the record later: do not remove */
......@@ -135,7 +135,7 @@ row_purge_remove_clust_if_poss_low(
return(TRUE);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......
innobase/row/row0row.c
View file @ 4e0e9a3b
......@@ -535,7 +535,7 @@ row_build_row_ref_in_tuple(
}
ut_ad(dtuple_check_typed(ref));
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......
innobase/row/row0sel.c
View file @ 4e0e9a3b
......@@ -125,7 +125,7 @@ row_sel_sec_rec_is_for_clust_rec(
}
func_exit:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(is_equal);
......@@ -746,7 +746,7 @@ row_sel_get_clust_rec(
*out_rec = clust_rec;
err = DB_SUCCESS;
err_exit:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......@@ -1066,7 +1066,7 @@ row_sel_try_search_shortcut(
plan->n_rows_fetched++;
func_exit:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(SEL_FOUND);
......@@ -1780,7 +1780,7 @@ row_sel(
ut_ad(sync_thread_levels_empty_gen(TRUE));
func_exit:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......@@ -4004,7 +4004,7 @@ row_search_for_mysql(
func_exit:
trx->op_info = "";
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......
innobase/row/row0undo.c
View file @ 4e0e9a3b
......@@ -190,7 +190,7 @@ row_undo_search_clust_to_pcur(
btr_pcur_commit_specify_mtr(&(node->pcur), &mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(ret);
......
innobase/row/row0upd.c
View file @ 4e0e9a3b
......@@ -1224,7 +1224,7 @@ row_upd_store_row(
node->n_ext_vec = btr_push_update_extern_fields(node->ext_vec,
offsets, update);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
}
......@@ -1423,7 +1423,7 @@ row_upd_clust_rec_by_insert(
index, thr, mtr);
if (err != DB_SUCCESS) {
mtr_commit(mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......@@ -1549,7 +1549,7 @@ row_upd_clust_rec(
rec_get_offsets(rec, index, offsets_,
ULINT_UNDEFINED, &heap),
big_rec, mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
mtr_commit(mtr);
......@@ -1719,7 +1719,7 @@ row_upd_clust_step(
node->index = dict_table_get_next_index(index);
}
exit_func:
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(err);
......@@ -1736,7 +1736,7 @@ row_upd_clust_step(
row_upd_eval_new_vals(node->update);
}
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
......@@ -2016,7 +2016,7 @@ row_upd_in_place_in_select(
btr_pcur_get_rec(pcur), btr_cur->index, offsets_,
ULINT_UNDEFINED, &heap),
UT_LIST_GET_FIRST(node->columns));
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
row_upd_eval_new_vals(node->update);
......
innobase/trx/trx0rec.c
View file @ 4e0e9a3b
......@@ -1134,7 +1134,7 @@ trx_undo_report_row_operation(
mutex_exit(&(trx->undo_mutex));
mtr_commit(&mtr);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(DB_OUT_OF_FILE_SPACE);
......@@ -1153,7 +1153,7 @@ trx_undo_report_row_operation(
*roll_ptr = trx_undo_build_roll_ptr(is_insert, rseg->id, page_no,
offset);
if (heap) {
if (UNIV_LIKELY_NULL(heap)) {
mem_heap_free(heap);
}
return(DB_SUCCESS);
......
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