"latex-workshop.latex.recipes": [
    {
      "name": "latexmk",
      "tools": [
        "latexmk"
      ]
    },
    {
      "name": "latexmk (xelatex)",
      "tools": [
        "latexmk -pdfxe"
      ],
    },
    {
      "name": "latexmk (lualatex)",
      "tools": [
        "latexmk -pdflua"
      ]
    },
    {
      "name": "latexmk (pdflatex)",
      "tools": [
        "latexmk -pdf"
      ]
    },
  ],
  "latex-workshop.latex.tools": [
    {
      "name": "latexmk",
      "command": "latexmk",
      "args": [
        "-synctex=1",
        "-interaction=nonstopmode",
        "-file-line-error",
        "-pdf",
        "-outdir=%OUTDIR%",
        "%DOC%"
      ],
      "env": {}
    },
    {
      "name": "latexmk -pdfxe",
      "command": "latexmk",
      "args": [
        // "--shell-escape", // if you want to have the shell-escape flag
        "-pdfxe",  //"-xelatex",
        "-synctex=1",
        "-interaction=nonstopmode",
        "-file-line-error",
        "%DOC%"
      ],
      "env": {}
    },
    {
      "name": "latexmk -pdflua",
      "command": "latexmk",
      "args": [
        // "--shell-escape", // if you want to have the shell-escape flag
        "-pdflua",
        "-synctex=1",
        "-interaction=nonstopmode",
        "-file-line-error",
        "%DOC%"
      ],
      "env": {}
    },
    {
      "name": "latexmk -pdf",
      "command": "latexmk",
      "args": [
        "-pdf",
        "-synctex=1",
        "-interaction=nonstopmode",
        "-file-line-error",
        "%DOC%"
      ],
      "env": {}
    },
    {
      "name": "pdflatex",
      "command": "pdflatex",
      "args": [
        "-synctex=1",
        "-interaction=nonstopmode",
        "-file-line-error",
        "%DOC%"
      ],
      "env": {}
    },
  ],
  "latex-workshop.latex.recipe.default": "latexmk (xelatex)",
  // "latex-workshop.latex.recipe.default": "lastused",
  "latex-workshop.latex.autoBuild.run": "never", 

https://github.com/James-Yu/LaTeX-Workshop/wiki/Compile#auto-build-latex 참조