Debugging nginx with DTrace pid providerThis article assumes the reader has a general knowledge of nginx internals and DTrace. Although nginx built with the --with-debug option already provides a lot of information about request processing, it is sometimes desirable to trace particular parts of code path more thoroughly and at the same time omit the rest of debugging output. DTrace pid provider (available on Solaris, macOS) is a useful
Brendan's blog » DTrace pid Provider
