kerneltop(1) on Linux
The text 5d09b78f613d, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
shows linux kernel function usage in a style like top
Flags it lists
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-V -
-l -
-m -
-p -
-s -
-t -
-u