On Thu, Jun 07, 2018 at 12:15:12AM +0200, Jiri Olsa wrote: > Disable stopping of the idle tick when having live cputime > event. When the tick is disabled, the idle counts are out > of date until next tick/update and perf cputime PMU provides > misleading counts.
I really don't like this. This can totally change performance (e.g. less Turbo due to less idle) and performance tools shouldn't change the performance profile drastically. -Andi
