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README.md

MangoHud

A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more.

Example gif showing a standard performance readout with frametimes


Installation - Build From Source


If you wish to compile MangoHud to keep up to date with any changes - first clone this repository and cd into it:

git clone --recurse-submodules https://github.com/flightlessmango/MangoHud.git
cd MangoHud

Using meson to install "manually":

meson build
ninja -C build install

By default, meson should install MangoHud to /usr/local. Specify install prefix with --prefix=/usr if desired. Add -Dappend_libdir_mangohud=false option to meson to not append mangohud to libdir if desired (e.g. /usr/local/lib/mangohud).

To install 32-bit build on 64-bit distro, specify proper libdir: lib32 for Arch, lib/i386-linux-gnu on Debian-based distros. RPM-based distros usually install 32-bit libraries to /usr/lib and 64-bit to /usr/lib64. You may have to change PKG_CONFIG_PATH to point to correct folders for your distro.

CC="gcc -m32" \
CXX="g++ -m32" \
PKG_CONFIG_PATH="/usr/lib32/pkgconfig:/usr/lib/i386-linux-gnu/pkgconfig:/usr/lib/pkgconfig" \
meson build32 --libdir lib32
ninja -C build32 install

Dependencies

Install necessary development packages.

  • gcc, g++
  • or gcc-multilib, g++-multilib for 32-bit support
  • meson >=0.54
  • ninja (ninja-build)
  • glslang
  • libGL/libEGL (libglvnd, mesa-common-dev, mesa-libGL-devel etc)
  • X11 (libx11-dev)
  • XNVCtrl (libxnvctrl-dev), optional, use -Dwith_xnvctrl=disabled option with meson to disable
  • D-Bus (libdbus-1-dev), optional, use -Dwith_dbus=disabled option with meson to disable
  • wayland-client
  • xcbcommon

Python 3 libraries:

  • Mako (python3-mako or install with pip)

If distro's packaged meson is too old and gives build errors, install newer version with pip (python3-pip).

Building with build script

You can also use build.sh script to do some things automatically like install dependencies, if distro is supported but it usually assumes you are running on x86_64 architecture.

To just build it, execute:

./build.sh build

You can also pass arguments to meson:

./build.sh build -Dwith_xnvctrl=disabled

Resulting files will be install to ./build/release folder.

If you have compiled MangoHud from source, to install it, execute:

./build.sh install

You can then subsequently uninstall MangoHud via the following command

./build.sh uninstall

To tar up the resulting binaries into a package and create a release tar with installer script, execute:

./build.sh package release

or combine the commands, although package should also call build if it doesn't find the built libs:

./build.sh build package release

If you have built MangoHud before and suddenly it fails, you can try cleaning the build folder, execute:

./build.sh clean

Currently it just does rm -fr build and clears subprojects.

NOTE: If you are running an Ubuntu-based, Arch-based, Fedora-based, or openSUSE-based distro, the build script will automatically detect and prompt you to install missing build dependencies. If you run into any issues with this please report them!

Installation - Pre-packaged Binaries


GitHub releases

If you do not wish to compile anything, simply download the file under Releases, extract it, and from within the extracted folder in terminal, execute:

./mangohud-setup.sh install

Arch-based distributions

If you are using an Arch-based distribution, install mangohud and lib32-mangohud from the extra/multilib repository. mangohud-git and lib32-mangohud-git are available on the AUR to be installed via your favourite AUR helper. These can help fix issues with the hud not activating when using stable releases from pacman!

If you are building it by yourself, you need to enable multilib repository, by editing pacman config:

sudo nano /etc/pacman.conf

and uncomment:

#[multilib]
#Include = /etc/pacman.d/mirrorlist

then save the file and execute:

sudo pacman -Syy

Debian, Ubuntu

If you are using Debian 11 (Bullseye) or later, Ubuntu 21.10 (Impish) or later, or distro derived from them, to install the MangoHud package, execute:

sudo apt install mangohud

Optionally, if you also need MangoHud for 32-bit applications, execute:

sudo apt install mangohud:i386

Fedora

If you are using Fedora, to install the MangoHud package, execute:

sudo dnf install mangohud

Solus

If you are using Solus, to install MangoHud simply execute:

sudo eopkg it mangohud

openSUSE

If you run openSUSE Leap or Tumbleweed you can get Mangohud from the official repositories. There are two packages, mangohud for 64bit and mangohud-32bit for 32bit application support. To have Mangohud working for both 32bit and 64bit applications you need to install both packages even on a 64bit operating system.

sudo zypper in mangohud mangohud-32bit

Leap doesn't seem to have the 32bit package.

Leap 15.2

sudo zypper addrepo -f https://download.opensuse.org/repositories/games:tools/openSUSE_Leap_15.2/games:tools.repo
sudo zypper install mangohud

Leap 15.3

sudo zypper addrepo -f https://download.opensuse.org/repositories/games:tools/openSUSE_Leap_15.3/games:tools.repo
sudo zypper install mangohud

Flatpak

If you are using Flatpaks, you will have to add the Flathub repository for your specific distribution, and then, to install it, execute:

For flatpak:

flatpak install org.freedesktop.Platform.VulkanLayer.MangoHud

To enable MangoHud for all Steam games:

flatpak override --user --env=MANGOHUD=1 com.valvesoftware.Steam

Normal usage


To enable the MangoHud overlay layer for Vulkan and OpenGL, run :

mangohud /path/to/app

For Lutris games, go to the System options in Lutris (make sure that advanced options are enabled) and add this to the Command prefix setting:

mangohud

For Steam games, you can add this as a launch option:

mangohud %command%

Or alternatively, add MANGOHUD=1 to your shell profile (Vulkan only).

OpenGL

OpenGL games may also need dlsym hooking. Add --dlsym to your command like mangohud --dlsym %command% for Steam.

Some Linux native OpenGL games overrides LD_PRELOAD and stops MangoHud from working. You can sometimes fix this by editing LD_PRELOAD in the start script LD_PRELOAD=/path/to/mangohud/lib/

gamescope

To enable mangohud with gamescope you need to install mangoapp. gamescope --mangoapp %command%

Using normal mangohud with gamescope is not support.

Hud configuration

MangoHud comes with a config file which can be used to set configuration options globally or per application. Usually it is installed as /usr/share/doc/mangohud/MangoHud.conf.example or get a copy from here.

The priorities of different config files are:

  1. /path/to/application/dir/MangoHud.conf
  2. Per-application configuration in ~/.config/MangoHud:
    1. ~/.config/MangoHud/<application_name>.conf for native applications, where <application_name> is the case sensitive name of the executable
    2. ~/.config/MangoHud/wine-<application_name>.conf for wine/proton apps, where <application_name> is the case sensitive name of the executable without the .exe ending
  3. ~/.config/MangoHud/MangoHud.conf

Example: For Overwatch, this would be wine-Overwatch.conf (even though the executable you run from Lutris is Battle.net.exe, the actual game executable name is Overwatch.exe).

If you start the game from the terminal with MangoHud enabled (for example by starting Lutris from the terminal), MangoHud will print the config file names it is looking for.

You can find an example config in /usr/share/doc/mangohud

GOverlay is a GUI application that can be used to manage the config


Environment Variables

You can also customize the hud by using the MANGOHUD_CONFIG environment variable while separating different options with a comma. This takes priority over any config file.

You can also specify configuration file with MANGOHUD_CONFIGFILE=/path/to/config for applications whose names are hard to guess (java, python etc).

You can also specify presets file with MANGOHUD_PRESETSFILE=/path/to/config. This is especially useful when running mangohud in a sandbox such as flatpak.

A partial list of parameters are below. See the config file for a complete list. Parameters that are enabled by default have to be explicitly disabled. These (currently) are fps, frame_timing, cpu_stats (cpu load), gpu_stats (gpu load), and each can be disabled by setting the corresponding variable to 0 (e.g., fps=0).

Variable Description
af Anisotropic filtering level. Improves sharpness of textures viewed at an angle 0-16
alpha Set the opacity of all text and frametime graph 0.0-1.0
arch Show if the application is 32- or 64-bit
autostart_log= Starts the log after X seconds from mangohud init
background_alpha Set the opacity of the background 0.0-1.0
battery_color Change the battery text color
battery_icon Display battery icon instead of percent
battery_watt Display wattage for the battery option
battery_time Display remaining time for battery option
battery Display current battery percent and energy consumption
benchmark_percentiles Configure which framerate percentiles are shown in the logging summary. Default is 97,AVG,1,0.1
bicubic Force bicubic filtering
blacklist Add a program to the blacklist. e.g blacklist=vkcube,WatchDogs2.exe
cellpadding_y Set the vertical cellpadding, default is -0.085
control= Sets up a unix socket with a specific name that can be connected to with mangohud-control.
I.e. control=mangohud or control=mangohud-%p (%p will be replaced by process id)
core_load_change Change the colors of cpu core loads, uses the same data from cpu_load_value and cpu_load_change
core_load Display load & frequency per core
core_bars Change the display of core_load from numbers to vertical bars
cpu_load_change Change the color of the CPU load depending on load
cpu_load_color Set the colors for the gpu load change low, medium and high. e.g cpu_load_color=0000FF,00FFFF,FF00FF
cpu_load_value Set the values for medium and high load e.g cpu_load_value=50,90
cpu_mhz Show the CPUs current MHz
cpu_power
gpu_power
Display CPU/GPU draw in watts
cpu_temp
gpu_temp
gpu_junction_temp
gpu_mem_temp
Display current CPU/GPU temperature
cpu_text
gpu_text
Override CPU and GPU text
custom_text_center Display a custom text centered useful for a header e.g custom_text_center=FlightLessMango Benchmarks
custom_text Display a custom text e.g custom_text=Fsync enabled
debug Shows the graph of gamescope app frametimes and latency (only on gamescope obviously)
device_battery_icon Display wirless device battery icon.
device_battery Display wireless device battery percent. Currently supported arguments gamepad and mouse e.g device_battery=gamepad,mouse
dynamic_frame_timing This changes frame_timing y-axis to correspond with the current maximum and minimum frametime instead of being a static 0-50
engine_short_names Display a short version of the used engine (e.g. OGL instead of OpenGL)
engine_version Display OpenGL or vulkan and vulkan-based render engine's version
exec Display output of bash command in next column, e.g custom_text=/home , exec=df -h /home | tail -n 1. Only works with legacy_layout=0
exec_name Display current exec name
fan Shows the Steam Deck fan rpm
fcat Enables frame capture analysis
fcat_overlay_width= Sets the width of fcat. Default is 24
fcat_screen_edge= Decides the edge fcat is displayed on. A value between 1 and 4
font_file_text Change text font. Otherwise font_file is used
font_file Change default font (set location to .TTF/.OTF file)
font_glyph_ranges Specify extra font glyph ranges, comma separated: korean, chinese, chinese_simplified, japanese, cyrillic, thai, vietnamese, latin_ext_a, latin_ext_b. If you experience crashes or text is just squares, reduce font size or glyph ranges
font_scale= Set global font scale. Default is 1.0
font_scale_media_player Change size of media player text relative to font_size
font_size= Customizeable font size. Default is 24
font_size_text= Customizeable font size for other text like media metadata. Default is 24
fps_color_change Change the FPS text color depepending on the FPS value
fps_color= Choose the colors that the fps changes to when fps_color_change is enabled. Corresponds with fps_value. Default is b22222,fdfd09,39f900
fps_limit_method If FPS limiter should wait before or after presenting a frame. Choose late (default) for the lowest latency or early for the smoothest frametimes
fps_limit Limit the apps framerate. Comma-separated list of one or more FPS values. 0 means unlimited
fps_only Show FPS only. Not meant to be used with other display params
fps_sampling_period= Time interval between two sampling points for gathering the FPS in milliseconds. Default is 500
fps_value Choose the break points where fps_color_change changes colors between. E.g 60,144, default is 30,60
fps_metrics Takes a list of decimal values or the value avg, e.g avg,0.001
frame_count Display frame count
frametime Display frametime next to FPS text
fsr Display the status of FSR (only works in gamescope)
hdr Display the status of HDR (only works in gamescope)
refresh_rate Display the current refresh rate (only works in gamescope)
full Enable most of the toggleable parameters (currently excludes histogram)
gamemode Show if GameMode is on
gpu_color
cpu_color
vram_color
ram_color
io_color
engine_color
frametime_color
background_color
text_color
media_player_color
network_color
Change default colors: gpu_color=RRGGBB
gpu_core_clock
gpu_mem_clock
Display GPU core/memory frequency
gpu_fan GPU fan in rpm on AMD, FAN in percent on NVIDIA
gpu_load_change Change the color of the GPU load depending on load
gpu_load_color Set the colors for the gpu load change low,medium and high. e.g gpu_load_color=0000FF,00FFFF,FF00FF
gpu_load_value Set the values for medium and high load e.g gpu_load_value=50,90
gpu_name Display GPU name from pci.ids
gpu_voltage Display GPU voltage (only works on AMD GPUs)
hide_fsr_sharpness Hides the sharpness info for the fsr option (only available in gamescope)
histogram Change FPS graph to histogram
horizontal Display Mangohud in a horizontal position
horizontal_stretch Stretches the background to the screens width in horizontal mode
hud_compact Display compact version of MangoHud
hud_no_margin Remove margins around MangoHud
io_read
io_write
Show non-cached IO read/write, in MiB/s
log_duration Set amount of time the logging will run for (in seconds)
log_interval Change the default log interval in milliseconds. Default is 0
log_versioning Adds more headers and information such as versioning to the log. This format is not supported on flightlessmango.com (yet)
media_player_format Format media player metadata. Add extra text etc. Semi-colon breaks to new line. Defaults to {title};{artist};{album}
media_player_name Force media player DBus service name without the org.mpris.MediaPlayer2 part, like spotify, vlc, audacious or cantata. If none is set, MangoHud tries to switch between currently playing players
media_player Show media player metadata
no_display Hide the HUD by default
no_small_font Use primary font size for smaller text like units
offset_x offset_y HUD position offsets
output_file Set location and name of the log file
output_folder Set location of the output files (Required for logging)
pci_dev Select GPU device in multi-gpu setups
permit_upload Allow uploading of logs to Flightlessmango.com
picmip Mip-map LoD bias. Negative values will increase texture sharpness (and aliasing). Positive values will increase texture blurriness -16-16
position= Location of the HUD: top-left (default), top-right, middle-left, middle-right, bottom-left, bottom-right, top-center, bottom-center
preset= Comma separated list of one or more presets. Default is -1,0,1,2,3,4. Available presets:
0 (No Hud)
1 (FPS Only)
2 (Horizontal)
3 (Extended)
4 (Detailed)
User defined presets can be created by using a presets.conf file in ~/.config/MangoHud/.
procmem
procmem_shared, procmem_virt
Displays process' memory usage: resident, shared and/or virtual. procmem (resident) also toggles others off if disabled
ram
vram
Display system RAM/VRAM usage
read_cfg Add to MANGOHUD_CONFIG as first parameter to also load config file. Otherwise only MANGOHUD_CONFIG parameters are used
reload_cfg= Change keybind for reloading the config. Default = Shift_L+F4
resolution Display the current resolution
retro Disable linear texture filtering. Makes textures look blocky
round_corners Change the amount of roundness of the corners have e.g round_corners=10.0
show_fps_limit Display the current FPS limit
swap Display swap space usage next to system RAM usage
table_columns Set the number of table columns for ImGui, defaults to 3
temp_fahrenheit Show temperature in Fahrenheit
text_outline Draw an outline around text for better readability. Enabled by default.
text_outline_color= Set the color of text_outline. Default = 000000
text_outline_thickness= Set the thickness of text_outline. Default = 1.5
throttling_status Show if GPU is throttling based on Power, current, temp or "other" (Only shows if throttling is currently happening). Currently disabled by default for Nvidia as it causes lag on 3000 series
throttling_status_graph Same as throttling_status but displays throttling in the frametime graph and only power and temp throttling
time
time_format=%T
Display local time. See std::put_time for formatting help. NOTE: Sometimes apps may set TZ (timezone) environment variable to UTC/GMT
time_no_label Remove the label before time
toggle_fps_limit Cycle between FPS limits (needs at least two values set with fps_limit). Defaults to Shift_L+F1
toggle_preset Cycle between Presets. Defaults to Shift_R+F10
toggle_hud=
toggle_logging=
Modifiable toggle hotkeys. Default are Shift_R+F12 and Shift_L+F2, respectively
toggle_hud_position Toggle MangoHud postion. Default is R_Shift+F11
trilinear Force trilinear filtering
upload_log Change keybind for uploading log
upload_logs Enables automatic uploads of logs to flightlessmango.com
version Show current MangoHud version
vkbasalt Show if vkBasalt is on
vsync
gl_vsync
Set Vsync for OpenGL or Vulkan
vulkan_driver Display used Vulkan driver (radv/amdgpu-pro/amdvlk)
width=
height=
Customizeable HUD dimensions (in pixels)
wine_color Change color of the wine/proton text
wine Show current Wine or Proton version in use
winesync Show wine sync method in use
present_mode Shows current vulkan present mode or vsync status in opengl
network Show network interfaces tx and rx kb/s. You can specify interface with network=eth0

Example: MANGOHUD_CONFIG=cpu_temp,gpu_temp,position=top-right,height=500,font_size=32 Because comma is also used as option delimiter and needs to be escaped for values with a backslash, you can use + like MANGOHUD_CONFIG=fps_limit=60+30+0 instead.

Note: Width and Height are set automatically based on the font_size, but can be overridden.

Note: RAPL is currently used for Intel CPUs to show power draw with cpu_power which may be unreadable for non-root users due to vulnerability. The corresponding energy_uj file has to be readable by corresponding user, e.g. by running chmod o+r /sys/class/powercap/intel-rapl\:0/energy_uj as root, else the power shown will be 0 W, though having the file readable may potentially be a security vulnerability persisting until system reboots.

Note: The zenpower3 or zenergy kernel driver must be installed to show the power draw of Ryzen CPUs.

Vsync

OpenGL Vsync

  • -1 = Adaptive sync
  • 0 = Off
  • 1 = On
  • n = Sync to refresh rate / n.

Vulkan Vsync

  • 0 = Adaptive VSync (FIFO_RELAXED_KHR)
  • 1 = Off (IMMEDIATE_KHR)
  • 2 = Mailbox (VSync with uncapped FPS) (MAILBOX_KHR)
  • 3 = On (FIFO_KHR)

Not all vulkan vsync options may be supported on your device, you can check what your device supports here vulkan.gpuinfo.org

Keybindings

  • Shift_L+F2 : Toggle Logging
  • Shift_L+F4 : Reload Config
  • Shift_R+F12 : Toggle Hud

Workarounds

Options starting with "gl_*" are for OpenGL.

  • gl_size_query = viewport : Specify what to use for getting display size. Options are "viewport", "scissorbox" or disabled. Defaults to using glXQueryDrawable.
  • gl_bind_framebuffer = 0..N : (Re)bind given framebuffer before MangoHud gets drawn. Helps with Crusader Kings III.
  • gl_dont_flip = 1 : Don't swap origin if using GL_UPPER_LEFT. Helps with Ryujinx.

FPS logging

You must set a valid path for output_folder in your configuration to store logs in.

When you toggle logging (default keybind is Shift_L+F2), a file is created with the game name plus a date & timestamp in your output_folder.

Log files can be visualized with two different tools: online and locally.

Online visualization: FlightlessMango.com

Log files can be (batch) uploaded to FlightlessMango.com, which will then take care of creating a frametime graph and a summary with 1% min / average framerate / 97th percentile in a table form and a horizontal bar chart form.

Notes:

  • Uploaded benchmarks are public: you can share them with anyone by simply giving them the link.
  • Benchmark filenames are used as legend in the produced tables and graphs, they can be renamed after the upload.

Gif illustrating the log uploading process

Local visualization: mangoplot

mangoplot is a plotting script that is shipped with MangoHud: on a given folder, it takes each log file, makes a 1D heatmap of its framerates, then stacks the heats maps vertically to form a 2D graph for easy visual comparison between benchmarks.

Example output:

Overwatch 2 windows 11 vs linux

Overwatch 2, 5950X + 5700XT, low graphics preset, FHD, 50% render scale