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SubjectRe: [PATCH v2 0/3] perf,x86: add Intel RAPL PMU support
> # perf stat -a -e power/energy-cores/,power/energy-pkg/,ref-cycles -I
> 1000 sleep 1000
> # time unit counts events
> 1.000264953 Joules 2.09 power/energy-cores/
> [100.00%]
> 1.000264953 Joules 5.94 power/energy-pkg/
> 1.000264953 160,530,320 ref-cycles
> 2.000640422 Joules 2.07 power/energy-cores/
> 2.000640422 Joules 5.94 power/energy-pkg/
> 2.000640422 152,673,056 ref-cycles
> 3.000964416 Joules 2.08 power/energy-cores/
> 3.000964416 Joules 5.93 power/energy-pkg/
> 3.000964416 158,779,184 ref-cycles

Can you add some column marker that there is no unit (like -) ?

This is just in case someone wants to parse this with a tool. Yes they
should be using -x, but it is still better to be always parseable.

-Andi


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