# To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 1M of event 'cpu/cycles/P' # Event count (approx.): 6686494614842 # # Children Self Command Shared Object Symbol # ........ ........ ............... ................... .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. # 99.97% 0.00% one_connection libc.so.6 [.] __clone3 (inlined) 99.97% 0.00% one_connection libc.so.6 [.] start_thread 99.97% 0.00% one_connection mariadbd [.] do_handle_one_connection (inlined) 99.97% 0.00% one_connection mariadbd [.] handle_one_connection 99.97% 0.00% one_connection mariadbd [.] pfs_spawn_thread 99.90% 0.00% one_connection mariadbd [.] do_command (inlined) 99.90% 0.00% one_connection mariadbd [.] dispatch_command (inlined) 99.90% 0.00% one_connection mariadbd [.] mysql_parse (inlined) 99.90% 0.00% one_connection mariadbd [.] mysql_execute_command (inlined) 99.74% 0.00% one_connection mariadbd [.] execute_sqlcom_select (inlined) 99.74% 0.00% one_connection mariadbd [.] handle_select (inlined) 99.74% 0.00% one_connection mariadbd [.] mysql_select (inlined) 99.74% 0.00% one_connection mariadbd [.] exec (inlined) 99.74% 0.00% one_connection mariadbd [.] exec_inner (inlined) 99.74% 0.00% one_connection mariadbd [.] do_select (inlined) 99.73% 0.00% one_connection mariadbd [.] sub_select (inlined) 99.73% 0.00% one_connection mariadbd [.] mysql_handle_single_derived (inlined) 99.72% 0.00% one_connection mariadbd [.] preread_init (inlined) 99.72% 0.00% one_connection mariadbd [.] mysql_derived_fill (inlined) 98.34% 0.00% one_connection mariadbd [.] evaluate_join_record (inlined) 98.33% 0.00% one_connection mariadbd [.] get_stmt_da (inlined) 98.14% 0.00% one_connection mariadbd [.] write_row (inlined) 98.13% 0.01% one_connection mariadbd [.] heap_write 97.16% 0.00% one_connection mariadbd [.] end_write (inlined) 86.35% 0.01% one_connection mariadbd [.] hp_rec_hashnr 86.03% 53.63% one_connection mariadbd [.] my_uca_hash_sort_utf8mb4 57.74% 0.07% one_connection mariadbd [.] hp_write_key 57.49% 0.00% one_connection mariadbd [.] MY_HASH_ADD (inlined) 38.34% 0.01% one_connection mariadbd [.] hp_delete_key 32.04% 32.04% one_connection mariadbd [.] my_uca_scanner_next_utf8mb4.part.0 24.41% 0.00% one_connection mariadbd [.] my_uca_scanner_next_utf8mb4 (inlined) 19.32% 0.00% one_connection mariadbd [.] my_uca_scanner_next_utf8mb4 (inlined) 9.66% 0.01% one_connection mariadbd [.] hp_rec_key_cmp 9.66% 0.00% one_connection mariadbd [.] my_uca_strnncollsp_onelevel_utf8mb4 9.65% 0.00% one_connection mariadbd [.] my_uca_level_booster_simple_prefix_cmp (inlined) 9.56% 9.56% one_connection mariadbd [.] my_uca_level_booster_simple_prefix_cmp.constprop.0 4.72% 0.00% one_connection mariadbd [.] compound2_make (inlined) 3.63% 0.00% one_connection mariadbd [.] my_uca_level_booster_2bytes_item_addr_const (inlined) 3.08% 1.21% one_connection libc.so.6 [.] __memmove_avx512_unaligned_erms 2.61% 0.00% one_connection mariadbd [.] my_uca_scanner_next_expansion_weight (inlined) 2.04% 0.00% one_connection mariadbd [.] hp_write_blobs 2.04% 0.00% one_connection mariadbd [.] hp_write_one_blob 1.58% 0.03% one_connection [kernel.kallsyms] [.] asm_exc_page_fault 1.47% 0.02% one_connection [kernel.kallsyms] [.] exc_page_fault 1.43% 0.03% one_connection [kernel.kallsyms] [.] do_user_addr_fault 1.34% 0.04% one_connection [kernel.kallsyms] [.] handle_mm_fault 1.30% 0.00% one_connection mariadbd [.] my_uca_2bytes_item_is_applicable (inlined) 1.27% 0.05% one_connection [kernel.kallsyms] [.] __handle_mm_fault 1.23% 0.00% one_connection mariadbd [.] rr_sequential (inlined) 1.22% 0.00% one_connection mariadbd [.] read_record (inlined) 1.22% 0.00% one_connection mariadbd [.] ha_rnd_next (inlined) 1.20% 0.00% one_connection mariadbd [.] general_fetch (inlined) 1.18% 0.00% one_connection mariadbd [.] row_search_mvcc (inlined) 1.18% 0.08% one_connection [kernel.kallsyms] [.] do_anonymous_page 1.17% 0.00% one_connection mariadbd [.] sub_select_postjoin_aggr (inlined) 1.16% 0.00% one_connection mariadbd [.] end_send (inlined) 1.16% 0.00% one_connection mariadbd [.] end_send (inlined) 1.16% 0.00% one_connection mariadbd [.] send_data_with_check (inlined) 1.16% 0.00% one_connection mariadbd [.] send_data (inlined) 1.06% 0.00% one_connection mariadbd [.] row_sel_store_mysql_rec (inlined) 1.01% 0.00% one_connection mariadbd [.] row_sel_store_mysql_field (inlined) 1.00% 0.00% one_connection mariadbd [.] write_record (inlined) # # (Tip: Treat branches as callchains: perf record -b ... ; perf report --branch-history) #