[PATCH] D83505: [NFC] Add utility to sum/merge stats files

[Tyker via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG7d0f69118e61: [NFC] Add utility to sum/merge stats files (authored by Tyker).

Changed prior to commit:
  https://reviews.llvm.org/D83505?vs=276828&id=283938#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83505/new/

https://reviews.llvm.org/D83505

Files:
  llvm/utils/merge-stats.py


Index: llvm/utils/merge-stats.py
===================================================================
--- /dev/null
+++ llvm/utils/merge-stats.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+'''
+Merge .stats files generated by llvm tools
+
+merge-stats.py takes as argument a list of stats files to merge
+and output the result on stdout
+
+Usage:
+  merge-stats.py $(find ./builddir/ -name "*.stats") > total.stats
+'''
+
+import json
+import sys
+
+result = {}
+
+for arg in range(1, len(sys.argv)):
+  with open(sys.argv[arg], "r", encoding='utf-8',
+            errors='ignore') as f:
+    text = f.read()
+    try:
+      data = json.loads(text)
+    except:
+      print('ignored %s: failed to parse' % sys.argv[arg], file= sys.stderr)
+      continue
+    for key in data:
+      if key in result:
+        result[key] += data[key]
+      else:
+        result[key] = data[key]
+
+out = json.dumps(result, indent=2)
+print(out)


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