funcgraph-perf(8) on Linux
The text 893cdfaf5fc0, as Debian 9 (Stretch) shipped it.
trace kernel function graph, showing child function calls and times. Uses Linux ftrace.
Flags it lists
-
-C -
-D -
-H -
-P -
-T -
-a -
-d -
-h -
-m -
-p -
-t