world: Staticize various variables and also remove a couple of unused ones.
Minor Makefiles cleanup in systat and flame_graph.
flame_graph - Add initial code to support flame graphs* Add better PC sampling code to the kernel, capable of generating call stack traces.* Implement an initial flame_graph utility. flame_g
flame_graph - Add initial code to support flame graphs* Add better PC sampling code to the kernel, capable of generating call stack traces.* Implement an initial flame_graph utility. flame_graph > /tmp/x.out & (let it run a while) flame_graph -p < /tmp/x.outRequested-by: mjg
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