RetroArch - How to Generate: Log in Linux
19What are logs? Why are they so important?
#RetroArch and its underlying #Libretro technology is designed to run on many different combinations of hardware, operating system, libretro core, and content. It is not possible for a volunteer-based open source project to test all possible combinations.
The answer to this dilemma involves "logs", which RetroArch and other libretro software use to record essential information about your system and its function that other users and volunteers need in order to help troubleshoot problems and improve compatibility with new systems.
1.Open a terminal.
2.Navigate to the RetroArch folder with the cd command.
3.Start retroarch in 'verbose' mode with this command:
retroarch --menu --verbose (two angle brackets) retroarch.log 2(one angle brackets)&1
4.Once you exit RetroArch, a file called retroarch.log should be created.
Graphic card logs
lspci -nnk | grep -A 3 VGA will give information about your graphic card.
Audio device logs
aplay -L enumerates audio devices which have been detected.
Input device logs
lsusb lists all devices attached via USB
dmesg displays all messages from the kernel ring buffer which typically is holding the messages generated by the #Linux kernel from the boot process. The dmesg log lists each hardware device that the kernel detected along with information on how the device was configured by the system.
https://docs.libretro.com/guides/generating-retroarch-logs/
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