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android cpu dumpsys shell

interpreting dumpsys cpuinfo

Im looking for an explanation of result of command “dumpsys cpuinfo” in android shell.

:# dumpsys cpuinfo
Load: 17.78 / 16.97 / 16.29
CPU usage from 35983ms to 21604ms ago:
97% 25268/com.firstprocess: 78% user + 19% kernel / faults: 19938 minor
36% 25680/com.secondprocess: 19% user + 17% kernel / faults: 950 minor
11% 25151/com.anotherprocess: 8.8% user + 2.4% kernel / faults: 13794 minor 6 major
18% 739/system_server: 13% user + 5.4% kernel / faults: 3803 minor 2 major
14% 1242/android.process.media: 11% user + 2.7% kernel / faults: 2413 minor
8.4% 333/adbd: 0.2% user + 8.2% kernel / faults: 1 minor

  1. What is the meaning of numbers 17.78 / 16.97 / 16.29 in second line?
  2. What mean numbers before process name? For example 97% or 36%? it can not be overall consumption of processor time, since sum of all processes would exceed 100%. Is it time consumed with one core of the processor?
  3. What is the meaning of “78% user + 19% kernel”?