Comment 20 for bug 1389077

Revision history for this message
derek (denc716) wrote : Re: [HP ProBook 4530s] Intel Powerclamp is Slowing CPU

I am running 15.10/beta-2/ on laptop and close laptop everyday (power suspend / resume only, not shutdown / reboot), and see the problem here again, once in a while (a few days), the laptop becomes hot, fan start spinning, then I started top, see kidle_inejct spinning up cpu, this state can last for a few minute,

➸ uname -a
Linux ubuntu-gnome 4.2.0-11-generic #13-Ubuntu SMP Mon Sep 21 21:33:10 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

top - 10:52:31 up 12 days, 2:20, 28 users, load average: 4.72, 2.12, 1.08
Tasks: 392 total, 4 running, 388 sleeping, 0 stopped, 0 zombie
%Cpu0 : 7.6 us, 31.0 sy, 0.0 ni, 50.9 id, 5.7 wa, 0.0 hi, 4.7 si, 0.0 st
%Cpu1 : 11.3 us, 33.4 sy, 0.0 ni, 49.5 id, 5.1 wa, 0.0 hi, 0.6 si, 0.0 st
%Cpu2 : 8.5 us, 34.1 sy, 0.0 ni, 53.8 id, 2.6 wa, 0.0 hi, 1.0 si, 0.0 st
%Cpu3 : 9.5 us, 32.8 sy, 0.0 ni, 55.7 id, 1.6 wa, 0.0 hi, 0.3 si, 0.0 st
%Cpu4 : 4.0 us, 32.8 sy, 0.0 ni, 62.3 id, 1.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu5 : 9.1 us, 30.6 sy, 0.0 ni, 58.6 id, 1.3 wa, 0.0 hi, 0.3 si, 0.0 st
%Cpu6 : 7.6 us, 33.7 sy, 0.0 ni, 58.1 id, 0.7 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu7 : 10.2 us, 33.3 sy, 0.0 ni, 56.1 id, 0.3 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 16339328 total, 14138952 used, 2200376 free, 282156 buffers
KiB Swap: 4194300 total, 2974696 used, 1219604 free. 5395296 cached Mem
Change delay from 3.0 to
  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
 4951 root -51 0 0 0 0 S 31.3 0.0 0:42.40 [kidle_inject/6]
 4949 root -51 0 0 0 0 S 29.4 0.0 0:42.90 [kidle_inject/4]
30912 mint 20 0 2260932 589184 147688 R 28.7 3.6 171:07.25 /opt/google/chrome/chrome --user-data-dir=chrome-data-
 4947 root -51 0 0 0 0 S 28.0 0.0 0:40.94 [kidle_inject/2]
 4952 root -51 0 0 0 0 S 28.0 0.0 0:42.15 [kidle_inject/7]
 2517 mint 20 0 3835964 1.512g 535776 R 27.7 9.7 2:00.10 /opt/google/chrome/chrome --type=gpu-process --channel=30912.1563.1851560169 -+
 4950 root -51 0 0 0 0 S 27.4 0.0 0:41.86 [kidle_inject/5]
 4948 root -51 0 0 0 0 S 27.1 0.0 0:41.37 [kidle_inject/3]
 4946 root -51 0 0 0 0 S 26.7 0.0 0:39.94 [kidle_inject/1]
 4945 root -51 0 0 0 0 S 25.4 0.0 0:35.95 [kidle_inject/0]
 1742 mint 20 0 2090384 314432 45564 S 15.3 1.9 112:23.19 /usr/bin/gnome-shell
 1452 root 20 0 927420 123368 73024 R 9.1 0.8 74:23.03 /usr/bin/X vt7 -displayfd 3 -auth /run/user/999/gdm/Xauthority -nolisten tcp -background+
10128 mint 20 0 880868 130472 53444 S 5.9 0.8 16:29.60 /opt/google/chrome/chrome --type=renderer --enable-deferred-image-decoding --l+