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Add LinuxHelper to detect and increase vm.max_map_count
With GUI dialogs, this should be a bit more user-friendly.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.IO; | ||
| using System.Runtime.Versioning; | ||
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|
||
| namespace Ryujinx.Ui.Common.Helper | ||
| { | ||
| [SupportedOSPlatform("linux")] | ||
| public static class LinuxHelper | ||
| { | ||
| // NOTE: This value was determined by manual tests and might need to be increased again. | ||
| public const int RecommendedVmMaxMapCount = 524288; | ||
| public const string VmMaxMapCountPath = "/proc/sys/vm/max_map_count"; | ||
| public const string SysCtlConfigPath = "/etc/sysctl.d/99-Ryujinx.conf"; | ||
| public static int VmMaxMapCount => int.Parse(File.ReadAllText(VmMaxMapCountPath)); | ||
| public static string PkExecPath { get; } = GetBinaryPath("pkexec"); | ||
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|
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| private static string GetBinaryPath(string binary) | ||
| { | ||
| string pathVar = Environment.GetEnvironmentVariable("PATH"); | ||
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|
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| if (pathVar is null || string.IsNullOrEmpty(binary)) | ||
| { | ||
| return null; | ||
| } | ||
|
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| foreach (var searchPath in pathVar.Split(":", StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries)) | ||
| { | ||
| string binaryPath = Path.Combine(searchPath, binary); | ||
|
|
||
| if (File.Exists(binaryPath)) | ||
| { | ||
| return binaryPath; | ||
| } | ||
| } | ||
|
|
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| return null; | ||
| } | ||
|
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| public static int RunPkExec(string command) | ||
| { | ||
| if (PkExecPath == null) | ||
| { | ||
| return 1; | ||
| } | ||
|
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| using Process process = new() | ||
| { | ||
| StartInfo = | ||
| { | ||
| FileName = PkExecPath, | ||
| Arguments = $"sh -c '{command}'" | ||
| } | ||
| }; | ||
|
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| process.Start(); | ||
| process.WaitForExit(); | ||
|
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| return process.ExitCode; | ||
| } | ||
| } | ||
| } |
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