Created
February 15, 2023 22:13
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1-mongodb thread with 1-client thread
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| Samples: 41K of event 'cycles', Event count (approx.): 571106932626 | |
| Overhead Command Shared Object Symbol | |
| 9.69% swapper [kernel.vmlinux] [k] acpi_processor_ffh_cstate_ | |
| 2.07% conn2 mongod [.] __wt_row_search | |
| 1.86% conn2 libc-2.31.so [.] __memmove_avx_unaligned_er | |
| 0.97% conn2 [kernel.vmlinux] [k] copy_user_enhanced_fast_st | |
| 0.94% conn2 mongod [.] __wt_lex_compare_short | |
| 0.89% conn2 mongod [.] __config_next | |
| 0.88% conn2 mongod [.] __wt_row_leaf_key.constpro | |
| 0.87% conn2 mongod [.] __wt_checksum_hw | |
| 0.69% conn2 mongod [.] __wt_page_in_func | |
| 0.69% conn2 mongod [.] operator new[] | |
| 0.60% conn2 mongod [.] tc_deletearray_sized | |
| 0.54% swapper [kernel.vmlinux] [k] set_next_entity | |
| 0.52% conn2 [kernel.vmlinux] [k] psi_task_change | |
| 0.51% conn2 libc-2.31.so [.] __strlen_avx2 | |
| 0.51% Thread-1 [kernel.vmlinux] [k] psi_task_change | |
| 0.49% swapper [kernel.vmlinux] [k] menu_select | |
| 0.45% conn2 [kernel.vmlinux] [k] _raw_spin_lock | |
| 0.33% conn2 mongod [.] mongo::ServiceEntryPointCo | |
| 0.32% swapper [kernel.vmlinux] [k] do_idle | |
| 0.32% conn2 [kernel.vmlinux] [k] sync_regs | |
| 0.29% conn2 [kernel.vmlinux] [k] tcp_recvmsg | |
| 0.29% swapper [kernel.vmlinux] [k] update_sd_lb_stats | |
| 0.28% swapper [kernel.vmlinux] [k] nr_iowait_cpu | |
| 0.27% conn2 libpthread-2.31.so [.] __pthread_mutex_unlock | |
| 0.26% swapper [kernel.vmlinux] [k] __sched_text_start | |
| 0.26% conn2 mongod [.] mongo::runQuery | |
| 0.25% conn2 mongod [.] mongo::latch_detail::Mutex | |
| 0.25% conn2 mongod [.] tc_deletearray_aligned_not | |
| 0.25% conn2 [kernel.vmlinux] [k] _raw_spin_lock_bh | |
| 0.24% conn2 mongod [.] std::_Sp_counted_base<(__g | |
| 0.24% conn2 libpthread-2.31.so [.] __pthread_mutex_trylock | |
| 0.24% conn2 [kernel.vmlinux] [k] tcp_sendmsg_locked | |
| 0.23% conn2 libpthread-2.31.so [.] __pthread_mutex_lock | |
| 0.23% conn2 mongod [.] mongo::LockStats<long>::re | |
| 0.22% conn2 mongod [.] mongo::OperationContext::~ | |
| 0.22% swapper [kernel.vmlinux] [k] cpuidle_enter_state | |
| 0.22% conn2 mongod [.] tc_malloc | |
| Cannot load tips.txt file, please install perf! | |
| ============================================================== | |
| With Call graph | |
| Children Self Command Shared Object Symbol | |
| + 60.24% 0.00% conn2 libpthread-2.31.so [.] start_thread ◆ | |
| + 60.24% 0.00% conn2 mongod [.] mongo::(anonymous namespace)::runFunc ▒ | |
| + 60.24% 0.00% conn2 mongod [.] mongo::unique_function<void ()>::makeImpl<mongo::launchServiceWorkerThread(mongo::unique_function<void ()>)::{lambda()#4}>(mongo::launchS▒ | |
| + 60.22% 0.09% conn2 mongod [.] mongo::unique_function<void ()>::makeImpl<mongo::transport::ServiceExecutorSynchronous::scheduleTask(mongo::unique_function<void ()>, mon▒ | |
| + 60.09% 0.05% conn2 mongod [.] mongo::unique_function<void ()>::makeImpl<mongo::transport::ServiceExecutor::schedule(mongo::unique_function<void (mongo::Status)>)::{lam▒ | |
| + 60.06% 0.04% conn2 mongod [.] mongo::unique_function<void (mongo::Status)>::makeImpl<mongo::transport::ServiceExecutorSynchronous::runOnDataAvailable(std::shared_ptr<m▒ | |
| + 59.95% 0.03% conn2 mongod [.] mongo::unique_function<void (mongo::Status)>::makeImpl<mongo::transport::ServiceStateMachine::Impl::scheduleNewLoop(mongo::Status)::{lamb▒ | |
| + 59.61% 0.09% conn2 mongod [.] mongo::transport::ServiceStateMachine::Impl::startNewLoop ▒ | |
| + 42.35% 0.02% conn2 mongod [.] mongo::future_details::FutureImpl<mongo::future_details::FakeVoid>::then<mongo::transport::ServiceStateMachine::Impl::startNewLoop(mongo:▒ | |
| + 42.22% 0.13% conn2 mongod [.] mongo::transport::ServiceStateMachine::Impl::processMessage ▒ | |
| + 38.63% 0.04% conn2 mongod [.] mongo::ServiceEntryPointMongod::handleRequest ▒ | |
| + 38.29% 0.29% conn2 mongod [.] mongo::ServiceEntryPointCommon::handleRequest ▒ | |
| + 36.79% 0.07% conn2 mongod [.] mongo::(anonymous namespace)::SynchronousOpRunner::run ▒ | |
| + 36.62% 0.08% conn2 mongod [.] mongo::(anonymous namespace)::QueryOpRunner::runSync ▒ | |
| + 33.86% 0.31% conn2 mongod [.] mongo::runQuery ▒ | |
| + 18.48% 0.04% conn2 mongod [.] mongo::PlanExecutorImpl::getNext ▒ | |
| + 18.43% 0.01% conn2 mongod [.] mongo::PlanExecutorImpl::getNextDocument ▒ | |
| - 18.36% 0.10% conn2 mongod [.] mongo::PlanExecutorImpl::_getNextImpl ▒ | |
| + 18.26% mongo::PlanExecutorImpl::_getNextImpl ▒ | |
| - 18.06% 0.07% conn2 mongod [.] mongo::IDHackStage::doWork ▒ | |
| - 17.99% mongo::IDHackStage::doWork ▒ | |
| - 10.89% mongo::WorkingSetCommon::fetch ▒ | |
| - 10.61% mongo::WiredTigerRecordStoreCursorBase::seekExact ▒ | |
| - 10.26% mongo::wiredTigerPrepareConflictRetry<mongo::WiredTigerRecordStoreCursorBase::seekExact(mongo::RecordId const&)::{lambda()#1}> ▒ | |
| - 10.23% __curfile_search ▒ | |
| - 10.11% __wt_btcur_search ▒ | |
| - 8.64% __wt_row_search ▒ | |
| - 7.32% __wt_page_in_func ▒ | |
| - 6.77% __page_read ▒ | |
| - 6.29% __wt_bt_read ▒ | |
| + 3.17% __memmove_avx_unaligned_erms ▒ | |
| - 2.68% __wt_bm_read ▒ | |
| - 1.63% __wt_block_read_off ▒ | |
| - 1.58% __wt_read ▒ | |
| - __libc_pread64 ▒ | |
| + entry_SYSCALL_64 ▒ | |
| 0.98% __wt_checksum_hw ▒ | |
| 1.27% __wt_lex_compare_short ▒ | |
| - 6.39% mongo::AbstractIndexAccessMethod::findSingle ▒ | |
| - 4.42% mongo::(anonymous namespace)::WiredTigerIndexCursorBase::seekExact ▒ | |
| - 4.33% mongo::(anonymous namespace)::WiredTigerIndexCursorBase::seekExactForKeyString ▒ | |
| - 3.60% mongo::(anonymous namespace)::WiredTigerIndexCursorBase::seekWTCursor ▒ | |
| - 3.47% mongo::wiredTigerPrepareConflictRetry<mongo::(anonymous namespace)::WiredTigerIndexCursorBase::seekWTCursor(mongo::KeyString::Value const&)::{lambda()#1}> ▒ | |
| - 3.44% __curfile_search_near ▒ | |
| - 3.26% __wt_btcur_search_near ▒ | |
| - 2.88% __wt_row_search ▒ | |
| 0.80% __wt_row_leaf_key.constprop.0 ▒ | |
| - 0.98% mongo::WiredTigerIdIndex::newCursor ▒ | |
| - 0.95% mongo::(anonymous namespace)::WiredTigerIndexCursorBase::WiredTigerIndexCursorBase ▒ | |
| - 0.85% mongo::WiredTigerCursor::WiredTigerCursor ▒ | |
| - 0.73% mongo::WiredTigerSession::getNewCursor ▒ | |
| - 0.69% mongo::(anonymous namespace)::_openCursor ▒ | |
| 0.62% __session_open_cursor ▒ | |
| Annotated top mongod function "__wt_row_search()". | |
| 2.07% conn2 mongod [.] __wt_row_search | |
| │ for (; limit != 0; limit >>= 1) { | |
| │ shr %ebx | |
| │ c44: test %ebx,%ebx | |
| │ ↓ je 116f | |
| │ indx = base + (limit >> 1); | |
| 1.02 │ c4c: mov -0x48(%rbp),%eax | |
| │ mov %ebx,%r14d | |
| 0.24 │ shr %r14d | |
| 0.51 │ lea (%r14,%rax,1),%edi | |
| │ descent = pindex->index[indx]; | |
| │ mov 0x8(%r11),%rax | |
| │ indx = base + (limit >> 1); | |
| │ mov %rdi,%r13 | |
| │ descent = pindex->index[indx]; | |
| 12.28 │ mov (%rax,%rdi,8),%r15 | |
| │ __wt_ref_key(): | |
| │ v = (uintptr_t)ref->ref_ikey; | |
| 22.12 │ mov 0x20(%r15),%rax | |
| │ if (v & WT_IK_FLAG) { | |
| │ test $0x1,%al | |
| │ ↑ jne c00 | |
| │ *(void **)keyp = WT_IKEY_DATA(ref->ref_ikey); |
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