The first field in /proc/uptime is bootbased time, not monotonic
time. If the kernel tracks bootbased time correctly, it counts
elapsed run time as well as sleep time, which is the same as the
elapsed time in the android alarm driver, and sleep time is
always returned as 0.
Use clock_gettime(CLOCK_MONOTONIC) instead, which will return
elapsed run time not counting sleep time on all platforms.
Change-Id: I28a22e8c93d78f62666ee8c877c7c6718a2b640a
Prints elapsed real time since boot, as well as idle time and sleep time.
Change-Id: I97f482d6087e9f802d74e91147bf767e6b2d4f42
Signed-off-by: Mike Lockwood <lockwood@android.com>