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688373a260
This commit adds two new configuration options: igpu_desiredgov and igpu_power_threshold which allow for a different CPU governor when the Intel integrated GPU is under load. This currently only applies to Intel integrated GPUs and not AMD APUs because it uses the Intel RAPL infrastructure for getting power information. If on a platform that without an Intel integrated GPU or where the kernel does not support RAPL, the new options will be ignored and it will fall back to the old behavior. One of the core principals of gamemoded to date has been that, when playing a game, we want to use the "performance" CPU governor to increase CPU performance and prevent CPU-limiting. However, when the integrated GPU is under load, this can be counter-productive because the CPU and GPU share a thermal and power budget. By throwing the CPU governor to "performance" game mode currently makes the CPU frequency management far too aggressive and it burns more power than needed. With a discrete GPU, this is fine because the worst that happens is a bit more fan noise. With an integrated GPU, however, the additional power being burned by the CPU is power not available to the GPU and this can cause the GPU to clock down and lead to significantly worse performance. By using the "powersave" governor instead of the "performance" governor while the integrated GPU is under load, we can save power on the CPU side which lets the GPU clock up higher. On my Razer Blade Stealth 13 with an i7-1065G7, this improves the performance of "Shadow of the Tomb Raider" by around 25-30% according to its internal benchmark mode.
98 lines
4.3 KiB
INI
98 lines
4.3 KiB
INI
[general]
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; The reaper thread will check every 5 seconds for exited clients, for config file changes, and for the CPU/iGPU power balance
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reaper_freq=5
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; The desired governor is used when entering GameMode instead of "performance"
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desiredgov=performance
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; The default governer is used when leaving GameMode instead of restoring the original value
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defaultgov=powersave
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; The iGPU desired governor is used when the integrated GPU is under heavy load
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igpu_desiredgov=powersave
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; Threshold to use to decide when the integrated GPU is under heavy load.
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; This is a ratio of iGPU Watts / CPU Watts which is used to determine when the
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; integraged GPU is under heavy enough load to justify switching to
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; igpu_desiredgov. Set this to -1 to disable all iGPU checking and always
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; use desiredgov for games.
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igpu_power_threshold=0.3
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; GameMode can change the scheduler policy to SCHED_ISO on kernels which support it (currently
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; not supported by upstream kernels). Can be set to "auto", "on" or "off". "auto" will enable
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; with 4 or more CPU cores. "on" will always enable. Defaults to "off".
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softrealtime=off
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; GameMode can renice game processes. You can put any value between 0 and 20 here, the value
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; will be negated and applied as a nice value (0 means no change). Defaults to 0.
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renice=0
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; By default, GameMode adjusts the iopriority of clients to BE/0, you can put any value
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; between 0 and 7 here (with 0 being highest priority), or one of the special values
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; "off" (to disable) or "reset" (to restore Linux default behavior based on CPU priority),
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; currently, only the best-effort class is supported thus you cannot set it here
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ioprio=0
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; Sets whether gamemode will inhibit the screensaver when active
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; Defaults to 1
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inhibit_screensaver=1
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[filter]
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; If "whitelist" entry has a value(s)
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; gamemode will reject anything not in the whitelist
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;whitelist=RiseOfTheTombRaider
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; Gamemode will always reject anything in the blacklist
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;blacklist=HalfLife3
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; glxgears
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[gpu]
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; Here Be Dragons!
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; Warning: Use these settings at your own risk
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; Any damage to hardware incurred due to this feature is your responsibility and yours alone
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; It is also highly recommended you try these settings out first manually to find the sweet spots
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; Setting this to the keyphrase "accept-responsibility" will allow gamemode to apply GPU optimisations such as overclocks
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;apply_gpu_optimisations=0
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; The DRM device number on the system (usually 0), ie. the number in /sys/class/drm/card0/
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;gpu_device=0
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; Nvidia specific settings
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; Requires the coolbits extension activated in nvidia-xconfig
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; This corresponds to the desired GPUPowerMizerMode
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; "Adaptive"=0 "Prefer Maximum Performance"=1 and "Auto"=2
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; See NV_CTRL_GPU_POWER_MIZER_MODE and friends in https://github.com/NVIDIA/nvidia-settings/blob/master/src/libXNVCtrl/NVCtrl.h
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;nv_powermizer_mode=1
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; These will modify the core and mem clocks of the highest perf state in the Nvidia PowerMizer
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; They are measured as Mhz offsets from the baseline, 0 will reset values to default, -1 or unset will not modify values
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;nv_core_clock_mhz_offset=0
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;nv_mem_clock_mhz_offset=0
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; AMD specific settings
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; Requires a relatively up to date AMDGPU kernel module
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; See: https://dri.freedesktop.org/docs/drm/gpu/amdgpu.html#gpu-power-thermal-controls-and-monitoring
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; It is also highly recommended you use lm-sensors (or other available tools) to verify card temperatures
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; This corresponds to power_dpm_force_performance_level, "manual" is not supported for now
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;amd_performance_level=high
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[supervisor]
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; This section controls the new gamemode functions gamemode_request_start_for and gamemode_request_end_for
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; The whilelist and blacklist control which supervisor programs are allowed to make the above requests
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;supervisor_whitelist=
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;supervisor_blacklist=
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; In case you want to allow a supervisor to take full control of gamemode, this option can be set
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; This will only allow gamemode clients to be registered by using the above functions by a supervisor client
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;require_supervisor=0
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[custom]
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; Custom scripts (executed using the shell) when gamemode starts and ends
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;start=notify-send "GameMode started"
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; /home/me/bin/stop_ethmining.sh
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;end=notify-send "GameMode ended"
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; /home/me/bin/start_ethmining.sh
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; Timeout for scripts (seconds). Scripts will be killed if they do not complete within this time.
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;script_timeout=10
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