040000 tree 22033bd077065e729d27560d67bacadae7dc1dc7	os_get_uptime_usec
040000 tree 28a9cd971a2a08babfb3eebf34ce4a8c97bc2c0d	os_gettimeofday
040000 tree 9b0f9ada1759cbb2f1db57f48f692d816495a1d1	os_settimeofday
040000 tree 2c8a92c64efc9914ad4aeabd870177dc66e57fa8	os_time
040000 tree 583dcc393b953d303578fba1c375943a9cda41b4	os_time_advance
040000 tree d6751069ac0e2f0b4f67c88bef75ee691f3e228b	os_time_delay
040000 tree 47323dd1b01add0e829b4a0941869bcca7c5d4bc	os_time_get
040000 tree 9d4b6f20b6424cd3f646c75333d45502fa3b3762	os_time_ms_to_ticks