NEWHPROF: cpu=samples can print nan% when no samples happen
CPU SAMPLES BEGIN (total = 0) Fri Jan 9 09:10:38 2004
rank self accum count trace method
1 nan% nan% 0 1 <empty trace>
CPU SAMPLES END
It should print:
CPU SAMPLES BEGIN (total = 0) Fri Jan 9 09:10:38 2004
CPU SAMPLES END
CPU SAMPLES BEGIN (total = 0) Fri Jan 9 09:10:38 2004
rank self accum count trace method
1 nan% nan% 0 1 <empty trace>
CPU SAMPLES END
It should print:
CPU SAMPLES BEGIN (total = 0) Fri Jan 9 09:10:38 2004
CPU SAMPLES END