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The cost of md_config_t::get_val<T> during 4 KiB randreads
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| Samples: 488K of event 'cycles:p', Event count (approx.): 113041752223 | |
| Children Self Command Shared Object Symbol ◆ | |
| - 54,45% 0,08% tp_osd_tp ceph-osd [.] ShardedThreadPool::shardedthreadpool_worker ▒ | |
| - 54,37% ShardedThreadPool::shardedthreadpool_worker ▒ | |
| - 54,21% OSD::ShardedOpWQ::_process ▒ | |
| - 38,63% PGOpItem::run ▒ | |
| - 37,92% OSD::dequeue_op ▒ | |
| - 36,03% PrimaryLogPG::do_request ▒ | |
| - 34,42% PrimaryLogPG::do_op ▒ | |
| - 21,97% PrimaryLogPG::execute_ctx ▒ | |
| - 9,15% PrimaryLogPG::prepare_transaction ▒ | |
| - 8,92% PrimaryLogPG::do_osd_ops ▒ | |
| + 6,59% PrimaryLogPG::do_read ▒ | |
| - 1,77% md_config_t::get_val<bool> ▒ | |
| - 1,73% md_config_t::get_val_generic ▒ | |
| - 1,55% md_config_t::_get_val_generic ▒ | |
| 0,53% ConfFile::normalize_key_name ▒ | |
| 0,51% std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<cha▒ | |
| - 7,36% PrimaryLogPG::complete_read_ctx ▒ | |
| - 3,38% PG::publish_stats_to_osd ▒ | |
| - 1,68% md_config_t::get_val<unsigned long> ▒ | |
| - 1,62% md_config_t::get_val_generic ▒ | |
| - 1,49% md_config_t::_get_val_generic ▒ | |
| 0,51% std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<cha▒ | |
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| Samples: 924K of event 'cycles:p', Event count (approx.): 225233537585 | |
| Children Self Command Shared Object Symbol ◆ | |
| - 56,06% 0,13% tp_osd_tp ceph-osd [.] ShardedThreadPool::shardedthreadpool_worker ▒ | |
| - 55,93% ShardedThreadPool::shardedthreadpool_worker ▒ | |
| - 55,70% OSD::ShardedOpWQ::_process ▒ | |
| - 24,53% PGOpItem::run ▒ | |
| - 23,53% OSD::dequeue_op ▒ | |
| - 21,74% PrimaryLogPG::do_request ▒ | |
| - 20,37% PrimaryLogPG::do_op ▒ | |
| - 9,59% PrimaryLogPG::execute_ctx ▒ | |
| - 5,30% PrimaryLogPG::prepare_transaction ▒ | |
| - 5,21% PrimaryLogPG::do_osd_ops ▒ | |
| + 3,56% PrimaryLogPG::do_read ▒ | |
| - 1,25% md_config_t::get_val<bool> ▒ | |
| - 1,22% md_config_t::get_val_generic ▒ | |
| 1,04% md_config_t::_get_val_generic ▒ | |
| + 2,04% PrimaryLogPG::OpContext::start_async_reads ▒ | |
| + 1,76% PrimaryLogPG::maybe_await_blocked_head ▒ | |
| 1,28% MOSDOp::finish_decode ▒ | |
| + 1,05% std::__cxx11::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::basic_ostringstream ▒ | |
| + 0,85% PrimaryLogPG::find_object_context ▒ | |
| 0,84% PG::op_has_sufficient_caps ▒ | |
| + 0,76% OpRequest::mark_flag_point ▒ | |
| 0,68% Connection::get_priv ▒ | |
| 0,59% PrimaryLogPG::OpContext::OpContext ▒ | |
| 0,56% Connection::get_priv ▒ | |
| 0,69% Connection::get_priv ▒ | |
| + 0,67% OpRequest::mark_flag_point ▒ | |
| + 0,92% Mutex::Unlock ▒ | |
| - 18,66% PGRecoveryContext::run ▒ | |
| - 18,29% PrimaryLogPG::execute_ctx ▒ | |
| + 5,84% OpTracker::unregister_inflight_op ▒ | |
| - 4,90% PrimaryLogPG::complete_read_ctx ▒ | |
| - 2,58% PG::publish_stats_to_osd ▒ | |
| - 1,17% md_config_t::get_val<unsigned long> ▒ | |
| - 1,14% md_config_t::get_val_generic ▒ | |
| 0,98% md_config_t::_get_val_generic ▒ | |
| + 1,65% AsyncConnection::send_message ▒ | |
| - 1,72% PrimaryLogPG::prepare_transaction ▒ | |
| - 1,57% PrimaryLogPG::do_osd_ops ▒ | |
| - 1,17% md_config_t::get_val<bool> ▒ | |
| - 1,14% md_config_t::get_val_generic ▒ | |
| 0,97% md_config_t::_get_val_generic |
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| │ _ZNKSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_N5boost7variantINS8_5blankEJS5_mldb13entity_addr_t6uuid_dEEEESt10_Select1stISE_ESt4lessIS5_ESaISE_EE14_M_lower_b▒ | |
| │ _Compare, _Alloc>::const_iterator ▒ | |
| │ _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>:: ▒ | |
| │ _M_lower_bound(_Const_Link_type __x, _Const_Base_ptr __y, ◆ | |
| │ const _Key& __k) const ▒ | |
| │ { ▒ | |
| │ while (__x != 0) ▒ | |
| 0,66 │ test %rcx,%rcx ▒ | |
| │ ↓ je be8958 <md_config_t::_get_val_generic(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const+0x288> ▒ | |
| │ mov 0x18(%rsp),%r15 ▒ | |
| 0,04 │ mov 0x10(%rsp),%r14 ▒ | |
| 0,35 │ mov 0x8(%rsp),%r13 ▒ | |
| 0,31 │ ↓ jmp be8799 <md_config_t::_get_val_generic(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const+0xc9> ▒ | |
| │ nop ▒ | |
| 1,32 │ c0: mov 0x18(%rcx),%rcx ▒ | |
| 5,72 │ test %rcx,%rcx ▒ | |
| │ ↓ je be87eb <md_config_t::_get_val_generic(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const+0x11b> ▒ | |
| 1,41 │ c9: mov 0x28(%rcx),%rbx ▒ | |
| 34,71 │ mov %r15,%rdx ▒ | |
| 0,26 │ cmp %r15,%rbx ▒ | |
| 1,32 │ cmovbe %rbx,%rdx ▒ | |
| │ _ZNSt11char_traitsIcE7compareEPKcS2_m(): ▒ | |
| │ } ▒ | |
| │ ▒ | |
| │ static /* _GLIBCXX17_CONSTEXPR */ int ▒ |
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