040000 tree 97f5c79189310ee2302ff8ad8d4022052e68d97b	time.clock.file
040000 tree a0821b8ef9ac362ae4eb3d0f0e2d55ad8a527bf8	time.clock.hires
040000 tree b0616dd5ceb387701c545827e128d3610a8a937c	time.clock.local
040000 tree 0a3625021049902d188155ea645c89884686bcec	time.clock.steady
040000 tree cf89b7f2481da76dd6d5985afcdbe12b2901968e	time.clock.system