040000 tree 3a6395bf15f1d3f1a2d23d37e8e1671ef8bf2cb1	arch-tick-broadcast
040000 tree 73290f79df6d00befc594c611cdb6b7e68833709	clockevents
040000 tree 423bc5a97a7a0d17e0aad47fb2b8949795b313e1	context-tracking
040000 tree 52f041012394f0138d2814ef5938602eb871a6fc	irq-time-acct
040000 tree 66d4b51a73455ba3677e60e4973407f70ee49188	modern-timekeeping
040000 tree 43c5d15b1d8a5128b0cd5b64676893fe9ebbe623	virt-cpuacct