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Re : Slowness in Graphics display

Dear All,

I downloaded KDE recently and it was working fine for few hours and then slow down.

I check and found few things :

1. -  intel_powerclamp
    -  intel_rapl
    -  intel_rapl_perf
    -  x86_pkh_temp_thermal

   I removed from module loading list and I can see some improvements.

2. I try to remove nouveau graphics and intent to use i915 Intel default chipset,
    I am not able to remove.

3. Few times, I see following message :
    perf interrupt took too long (3181 > 2500), lowering  
     kernel.perf_event_max_sample_rate to 50000

     After see this message, computer slow down for few mins.

Please advise on how to solve above issues.