Linux docker运行程序空载CPU吃满的原因wxWidgets程序框架
Linux docker运行程序空载CPU吃满的原因wxWidgets程序框架gdb分析线程情况
warning: Target and debugger are in different PID namespaces; thread lists and other data are likely unreliable.Connect to gdbserver inside the container.
0x00007f8c6799d68e in ?? ()
Missing separate debuginfos, use: debuginfo-install glibc-2.17-326.el7_9.3.x86_64
(gdb) bt
#00x00007f8c6799d68e in ?? ()
#10x00007fff63852200 in ?? ()
#20x00000017638521f0 in ?? ()
#30x00007fff638523e0 in ?? ()
#40x0000000000000010 in ?? ()
#50x00007fff63852200 in ?? ()
#60x00005600d3a5fb3a in wxEpollDispatcher::DoPoll(epoll_event*, int, int) const ()
#70x00005600d3a6060e in wxEpollDispatcher::Dispatch(int) ()
#80x00005600d39e5858 in wxConsoleEventLoop::DispatchTimeout(unsigned long) ()
#90x00005600d39e5591 in wxConsoleEventLoop::Dispatch() ()
#10 0x00005600d39405f2 in wxEventLoopManual::ProcessEvents() ()
#11 0x00005600d39406a5 in wxEventLoopManual::DoRun() ()
#12 0x00005600d39403bd in wxEventLoopBase::Run() ()
#13 0x00005600d3918ced in wxAppConsoleBase::OnRun() ()
#14 0x00005600d397ab82 in wxEntry(int&, wchar_t**) ()
#15 0x00005600d327ff98 in main ()
(gdb) t 1
#00x00007f8c6799d68e in ?? ()
(gdb) bt
#00x00007f8c6799d68e in ?? ()
#10x00007fff63852200 in ?? ()
#20x00000017638521f0 in ?? ()
#30x00007fff638523e0 in ?? ()
#40x0000000000000010 in ?? ()
#50x00007fff63852200 in ?? ()
#60x00005600d3a5fb3a in wxEpollDispatcher::DoPoll(epoll_event*, int, int) const ()
#70x00005600d3a6060e in wxEpollDispatcher::Dispatch(int) ()
#80x00005600d39e5858 in wxConsoleEventLoop::DispatchTimeout(unsigned long) ()
#90x00005600d39e5591 in wxConsoleEventLoop::Dispatch() ()
#10 0x00005600d39405f2 in wxEventLoopManual::ProcessEvents() ()
#11 0x00005600d39406a5 in wxEventLoopManual::DoRun() ()
#12 0x00005600d39403bd in wxEventLoopBase::Run() ()
#13 0x00005600d3918ced in wxAppConsoleBase::OnRun() ()
#14 0x00005600d397ab82 in wxEntry(int&, wchar_t**) ()
#15 0x00005600d327ff98 in main ()
warning: Target and debugger are in different PID namespaces; thread lists and other data are likely unreliable.Connect to gdbserver inside the container.
0x00007f8c6799d68e in ?? ()
Missing separate debuginfos, use: debuginfo-install glibc-2.17-326.el7_9.3.x86_64
(gdb) bt
#00x00007f8c6799d68e in ?? ()
#10x00062964bb0d0442 in ?? ()
#20x0000001705e15b00 in ?? ()
#30x00007fff6385250c in ?? ()
#40x0000000000000001 in ?? ()
#50x00005600d4637090 in wxTimerUnixModule::ms_classInfo ()
#60x00005600d3a5fb3a in wxEpollDispatcher::DoPoll(epoll_event*, int, int) const ()
#70x00005600d3a5fbc5 in wxEpollDispatcher::HasPending() const ()
#80x00005600d39e5690 in wxConsoleEventLoop::Pending() const ()
#90x00005600d3940657 in wxEventLoopManual::DoRun() ()
#10 0x00005600d39403bd in wxEventLoopBase::Run() ()
#11 0x00005600d3918ced in wxAppConsoleBase::OnRun() ()
#12 0x00005600d397ab82 in wxEntry(int&, wchar_t**) ()
#13 0x00005600d327ff98 in main ()
(gdb) t 1
#00x00007f8c6799d68e in ?? ()
(gdb) bt
#00x00007f8c6799d68e in ?? ()
#10x00062964bb0d0442 in ?? ()
#20x0000001705e15b00 in ?? ()
#30x00007fff6385250c in ?? ()
#40x0000000000000001 in ?? ()
#50x00005600d4637090 in wxTimerUnixModule::ms_classInfo ()
#60x00005600d3a5fb3a in wxEpollDispatcher::DoPoll(epoll_event*, int, int) const ()
#70x00005600d3a5fbc5 in wxEpollDispatcher::HasPending() const ()
#80x00005600d39e5690 in wxConsoleEventLoop::Pending() const ()
#90x00005600d3940657 in wxEventLoopManual::DoRun() ()
#10 0x00005600d39403bd in wxEventLoopBase::Run() ()
#11 0x00005600d3918ced in wxAppConsoleBase::OnRun() ()
#12 0x00005600d397ab82 in wxEntry(int&, wchar_t**) ()
#13 0x00005600d327ff98 in main ()
(gdb)
perf
Samples: 33K of event 'cycles', Event count (approx.): 5778034374
Children SelfCommand Shared Object Symbol
+ 85.76% 0.00%bitcometd 0x0000000000000017
+ 84.70% 0.00%bitcometdlibc-2.31.so [.] 0x00007f8c6799d68e
+ 70.81% 0.15%bitcometd tracesys
+ 66.68% 0.36%bitcometd syscall_trace_enter
+ 65.62% 0.56%bitcometd __secure_computing
+ 64.84% 0.55%bitcometd __seccomp_filter
+ 58.51% 57.81%bitcometd sk_run_filter
+ 8.17% 0.00%bitcometd [.] 0000000000000000
+ 6.36% 6.36%bitcometd retint_userspace_restore_args
+ 5.27% 0.00%bitcometd [.] 0x000001e805480789
+ 5.27% 0.00%bitcometdbitcometd [.] 0x00005600d3905240
+ 4.88% 4.88%bitcometd __x86_indirect_thunk_r8
+ 3.67% 3.67%bitcometd system_call_after_swapgs
+ 2.43% 0.40%bitcometd sys_epoll_wait
+ 2.29% 2.29%bitcometdlibc-2.31.so [.] 0x000000000011f68e
+ 1.94% 0.02%bitcometd int_check_syscall_exit_work
+ 1.94% 0.22%bitcometd syscall_trace_leave
+ 1.71% 0.00%bitcometd [.] 0xfbbdcf7705e15b00
+ 1.66% 1.64%bitcometd [.] __vdso_gettimeofday
+ 1.36% 0.76%bitcometd __audit_syscall_exit
+ 1.31% 0.00%bitcometd [.] 0x0000000000000001
+ 1.24% 0.21%bitcometd ep_poll
+ 1.21% 0.00%bitcometd [.] 0xcde907894810c083
+ 1.21% 0.00%bitcometdbitcometd [.] 0x00005600d39e6280
+ 1.15% 0.00%bitcometdbitcometd [.] 0x00005600d39b597e
+ 1.12% 1.12%bitcometd seccomp_bpf_load
+ 1.08% 0.02%bitcometd apic_timer_interrupt
+ 1.04% 0.01%bitcometd smp_apic_timer_interrupt
+ 1.03% 0.94%bitcometd __audit_syscall_entry
+ 0.97% 0.01%bitcometd do_softirq
+ 0.96% 0.00%bitcometd call_softirq
+ 0.87% 0.02%bitcometd irq_exit
+ 0.86% 0.01%bitcometd __do_softirq
+ 0.76% 0.00%bitcometdbitcometd [.] 0x00005600d39e3019
+ 0.74% 0.74%bitcometdbitcometd [.] 0x0000000000989019
+ 0.69% 0.00%bitcometd [.] 0x4800217f8010c083
+ 0.69% 0.00%bitcometdbitcometd [.] 0x00005600d39f0620
+ 0.69% 0.00%bitcometd [.] 0x00005600d5ef78a0
+ 0.66% 0.02%bitcometd net_rx_action
+ 0.64% 0.00%bitcometd [.] 0x0000004d0000002d
+ 0.57% 0.56%bitcometd _raw_spin_lock_irqsave
+ 0.54% 0.54%bitcometd fget_light
+ 0.54% 0.00%bitcometdbitcometd [.] 0x00005600d391349c
+ 0.52% 0.01%bitcometd virtnet_poll
0.49% 0.00%bitcometd __netif_receive_skb
0.48% 0.04%bitcometd __netif_receive_skb_core
0.47% 0.00%bitcometd [.] 0x0000441f0f000000
0.47% 0.01%bitcometd local_apic_timer_interrupt
0.47% 0.00%bitcometd netif_receive_skb_internal
得知原因
是wxWidgets 在Linux下控制台程序框架的问题
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