[all-commits] [llvm/llvm-project] da1880: GSym aggregated output to JSON file (#81763)

[Kevin Frei via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: da1880cc56060c9da91cbd04daa7f8aa3ea0e829
      https://github.com/llvm/llvm-project/commit/da1880cc56060c9da91cbd04daa7f8aa3ea0e829
  Author: Kevin Frei <kevinfrei at users.noreply.github.com>
  Date:   2024-02-22 (Thu, 22 Feb 2024)

  Changed paths:
    M llvm/tools/llvm-gsymutil/Opts.td
    M llvm/tools/llvm-gsymutil/llvm-gsymutil.cpp

  Log Message:
  -----------
  GSym aggregated output to JSON file (#81763)

In order to make tooling around dwarf health easier, I've added an
`--json-summary-file` option to `llvm-gsymutil` that will spit out error
summary data with counts to a JSON file.

I've added the same capability to `llvm-dwarfdump` in a [different
PR.](https://github.com/llvm/llvm-project/pull/81762)

The format of the json is:
```JSON
{ 
  "error-categories": { 
    "<first category description>": {"count": 1234},
    "<next category description>": {"count":4321}
  },
  "error-count": 5555
}
```
for a clean run:
```JSON
{ 
  "error-categories": {},
  "error-count": 0
}
```

---------

Co-authored-by: Kevin Frei <freik at meta.com>



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