Provided by: systemtap-doc_2.3-1ubuntu1_all
tapset::context-envvar - systemtap context-envvar tapset
Context functions provide additional information about where an event occurred. These functions can provide information such as a backtrace to where the event occurred and the current register values for the processor. env_var Fetch environment variable from current process See function::env_var(3stap) for details.
function::env_var(3stap), stap(1), stapprobes(3stap)