)]}'
{
  "commit": "22cfb67672d275aca38ee35f81e046fa0d978704",
  "tree": "ad805791cb492a644daf75ba46a89f2550118234",
  "parents": [
    "26aa46c283e40199b6f847ecca088dcea7099ded"
  ],
  "author": {
    "name": "Aaron Wood",
    "email": "aaronwood@google.com",
    "time": "Fri May 05 17:28:05 2023 -0700"
  },
  "committer": {
    "name": "GN LUCI",
    "email": "gn-scoped@luci-project-accounts.iam.gserviceaccount.com",
    "time": "Tue May 16 01:49:36 2023 +0000"
  },
  "message": "[tracing] Refine tracing of file writing and template execution\n\nThis disambiguates the writing of generated files and ninja files from\nother write_file() commands, adds tracing of template invocations while\nexec\u0027ing files, and adds tracing of metadata walks.\n\nA \"before\" trace can be found here, for a very large build that heavily\nuses templates:\nhttps://ui.perfetto.dev/#!/?s\u003dff7918ffc237b25bfafa04e0188cdd732be49d788aa65beb072fc16446e33468\n\nand the \"after\" trace is:\nhttps://ui.perfetto.dev/#!/?s\u003dadeb4aba68882f380e7f88b3a45f15528722343ee3932d8dfc82e4120856a8a9\n\n\nChange-Id: Ie7a445ff334e28dca97dfcd00c6398149c5b6b8a\nReviewed-on: https://gn-review.googlesource.com/c/gn/+/15280\nReviewed-by: Takuto Ikuta \u003ctikuta@google.com\u003e\nCommit-Queue: Aaron Wood \u003caaronwood@google.com\u003e\n",
  "tree_diff": [
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