random high cpu usage

Submitted by mai..@..il.com

Assigned to Xfce-Goodies Maintainers

Description

i frequently see the cpu usage increasing with no reason. killing it, restart automatically and restores to low cpu usage

fedora 29, xfce4-wavelan-plugin-0.6.0-20.fc29.x86_64

01:00.0 Network controller [0280]: Intel Corporation Wireless 7265 [8086:095a] (rev 59) Subsystem: Intel Corporation Dual Band Wireless-AC 7265 [8086:5110] Kernel driver in use: iwlwifi Kernel modules: iwlwifi

module parameters: options iwlwifi power_save=Y power_level=1 options iwlmvm power_scheme=3

perf report:

Samples: 7K of event 'cycles:ppp', Event count (approx.): 4329940877 Children Self Command Shared Object Symbol

49,62% 0,00% panel-17-wavela [unknown] [.] 0000000000000000 ◆
0 ▒
- 22,32% 0 ▒
  - 16,41% 0x1 ▒ 10,52% 0x7fabacd1049d ▒ 1,50% g_type_check_instance_is_a ▒ 1,11% 0x7fabacd1033b ▒
  - 2,15% 0x2 ▒ 1,05% g_type_interface_peek ▒
  - 1,56% 0x3 ▒ 0,63% 0x7fabacbcd41c ▒
  - 1,52% 0x4 ▒ 0,56% 0x7fabacbcd41c ▒ 0,52% 0x7fabacbcd423 ▒
  - 0,62% 0 ▒
    - 0,56% 0 ▒
      - 0,54% 0 ▒
        
        0,50% 0 ▒ 0 ▒
- 13,56% 0x1000000001 ▒
  - 12,99% 0x9a40c5f47e506000 ▒ 0,94% 0x7fabacbb2d68 ▒ 0,61% 0x7fabacbbbf56 ▒ 4,31% 0x7fabacb36d4e ▒ 3,84% 0x7fabacbb7067 ▒ 1,67% 0x7fabacbb7007 ▒
- 0,71% 0x1000000000 ▒

21,85% 0,00% panel-17-wavela [unknown] [.] 0x9a40c5f47e506000 ▒
16,45% 0,00% panel-17-wavela [unknown] [.] 0x0000000000000001 ▒
15,16% 0,00% panel-17-wavela [unknown] [.] 0x000cdfe8087e8b48 ▒
15,16% 0,00% panel-17-wavela libgtk-3.so.0.2400.1 [.] 0x00007fabacbb0350 ▒
13,67% 0,00% panel-17-wavela libgtk-3.so.0.2400.1 [.] 0x00007fabacbbd1f8 ▒
13,56% 0,00% panel-17-wavela [unknown] [.] 0x0000001000000001 ▒
13,40% 13,40% panel-17-wavela libgtk-3.so.0.2400.1 [.] 0x000000000019f1f5 ▒
11,65% 0,00% panel-17-wavela [unknown] [.] 0xffbfffffffffffdf ▒
10,52% 0,00% panel-17-wavela libgtk-3.so.0.2400.1 [.] 0x00007fabacd1049d ▒
10,28% 10,28% panel-17-wavela libgtk-3.so.0.2400.1 [.] 0x00000000002f249a