Messages in this thread | | | Date | Tue, 11 Jun 2019 12:12:13 +0200 | From | Pavel Machek <> | Subject | Re: 5.2-rc2: low framerate in flightgear, cpu not running at full speed, thermal related? |
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Hi!
I'm trying to provide all the required info below. Any ideas?
> > > > The CPU is Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz . I guess it > > > > means > > > > it should be able to sustain both cores running at 2.5GHz? > > > > > > > > Any ideas? Were there any recent changes in that area? > > > I tried kernel compile. It keeps both cores at 3GHz, temperature > > > goes > > > up over 95C, and then cpus start going down to 2.3GHz... and then > > > down > > > to 2GHz... and down to 1.9GHz.
> what temperature does coretemp report? > can you please provide the sensors output in 4.6 during kernel > compiling? > > can you attach the output of "grep . /sys/class/thermal/thermal*/*" > when the temperature goes high in both kernels?
v5.2: bash -c sensors; cat /proc/cpuinfo
thinkpad-isa-0000 Adapter: ISA adapter fan1: 4493 RPM
coretemp-isa-0000 Adapter: ISA adapter Package id 0: +97.0°C (high = +86.0°C, crit = +100.0°C) Core 0: +97.0°C (high = +86.0°C, crit = +100.0°C) Core 1: +94.0°C (high = +86.0°C, crit = +100.0°C)
cpu MHz : 2351.857 cpu MHz : 2351.920 cpu MHz : 2351.980 cpu MHz : 2352.036 pavel@duo:~$ cat /sys/devices/system/cpu/*/cpufreq/scaling_governor powersave powersave powersave powersave pavel@duo:~$ grep . /sys/class/thermal/thermal*/* 2> /dev/null /sys/class/thermal/thermal_zone0/available_policies:step_wise /sys/class/thermal/thermal_zone0/mode:enabled /sys/class/thermal/thermal_zone0/passive:0 /sys/class/thermal/thermal_zone0/policy:step_wise /sys/class/thermal/thermal_zone0/temp:96000 /sys/class/thermal/thermal_zone0/trip_point_0_temp:99000 /sys/class/thermal/thermal_zone0/trip_point_0_type:critical /sys/class/thermal/thermal_zone0/type:acpitz pavel@duo:~$
v4.6:
acpitz-virtual-0 Adapter: Virtual device temp1: +96.0°C (crit = +99.0°C)
coretemp-isa-0000 Adapter: ISA adapter Physical id 0: +97.0°C (high = +86.0°C, crit = +100.0°C) Core 0: +97.0°C (high = +86.0°C, crit = +100.0°C) Core 1: +94.0°C (high = +86.0°C, crit = +100.0°C)
thinkpad-isa-0000 Adapter: ISA adapter fan1: 4493 RPM
cpu MHz : 2501.000 cpu MHz : 2501.000 cpu MHz : 2501.000 cpu MHz : 2501.000
pavel@duo:~$ cat /sys/devices/system/cpu/*/cpufreq/scaling_governor ondemand ondemand ondemand ondemand
pavel@duo:~$ grep . /sys/class/thermal/thermal*/* 2> /dev/null /sys/class/thermal/thermal_zone0/available_policies:step_wise /sys/class/thermal/thermal_zone0/mode:enabled /sys/class/thermal/thermal_zone0/passive:0 /sys/class/thermal/thermal_zone0/policy:step_wise /sys/class/thermal/thermal_zone0/temp:96000 /sys/class/thermal/thermal_zone0/trip_point_0_temp:99000 /sys/class/thermal/thermal_zone0/trip_point_0_type:critical /sys/class/thermal/thermal_zone0/type:acpitz pavel@duo:~$
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