Some times it is important to know who is calling this function (method). If the function is too huge, its also good to know what other functions are called by this function.
How to see it?
Alt + H (H for Hierarchy).
This image tells what
test_gzip is doing.
Here is an interpretation.
strlen). But its done twice in this function. Use
Downarrows from the view Or
Ctrl + ,/
Ctrl + .to go to the source lines where it is used.
hellois being read/modified. (Done at total 3 places)
gzopen. Done twice in this function.
gzopenis doing something else internally too.
You can toggle between who is calling this function / what functions are called by this function.
You can also toggle reads to field (variables), look at the recent history of call hierarchies looked, focus on another function.