Add logs informing about incorrect configuration for perf events Simplify setup of raw perf events
Add logs informing about incorrect configuration for perf events
Simplify setup of raw perf events

Signed-off-by: Katarzyna Kujawa <6d81612c80214d850c10c80be3c4dcdb2935414e@intel.com>

linux-on-ibm-z/cadvisor,linux-on-ibm-z/cadvisor,linux-on-ibm-z/cadvisor