Debugging/Profiling Node.js

The tools apply only partially

C/C++ (Linux) (BSD) JavaScript
perf dtrace debugger
ftrace dtruss node-inspector (v8-profiler)
strace Instruments chrome://tracing
ktap iotop
systemtap execsnoop
valgrind opensnoop
iosnoop iosnoop
execsnoop rwssnoop
gdb/lldb gdb/lldb