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0001 cpuuse
0002 ======
0003
0004 This directory contains code to report and reset per-task CPU usage.
0005 If the BSP supports nanosecond timestamp granularity, this this information
0006 is very accurate. Otherwise, it is dependendent on the tick granularity.
0007
0008 It provides two primary features:
0009
0010 + Generate a CPU Usage Report
0011 + Reset CPU Usage Information
0012
0013 NOTES:
0014
0015 1. If configured for tick granularity, CPU usage is "docked" by a
0016 clock tick at each context switch.
0017 2. If configured for nanosecond granularity, no work is done at each
0018 clock tick. All bookkeeping is done as part of a context switch.
0019
0020
