renamed:    python/perf/util/__init__.py -> python/perf/core/__init__.py
	renamed:    python/perf/util/basecls.py -> python/perf/core/basecls.py
	renamed:    python/perf/util/intervaltree.py -> python/perf/core/intervaltree.py
	renamed:    python/perf/util/rbtree.py -> python/perf/core/rbtree.py
	renamed:    python/perf/util/tree.py -> python/perf/core/tree.py
	deleted:    python/perf/util/rand.py
	deleted:    python/run/core.py
	modified:   python/run/main.py
	new file:   python/run/schedrun.py
	new file:   python/test/test_run.py
	new file:   python/util/__init__.py
	renamed:    python/perf/util/io.py -> python/util/io.py
	new file:   python/util/rand.py