================
@@ -67,6 +67,67 @@ def merge_fdata(args):
return 0
+def perf(args):
+ parser = argparse.ArgumentParser(
+ prog="perf-helper perf", description="perf wrapper for BOLT profile
collection"
+ )
+ parser.add_argument(
+ "--lbr", action="store_true", help="Use perf with branch stacks"
+ )
+ parser.add_argument("cmd", nargs="*", help="")
+
+ # Use python's arg parser to handle all leading option arguments, but pass
+ # everything else through to perf
+ first_cmd = next(arg for arg in args if not arg.startswith("--"))
----------------
petrhosek wrote:
You can use `parser.add_argument('cmd', nargs=argparse.REMAINDER)` to let
`argparse` handle this for you.
https://github.com/llvm/llvm-project/pull/69133
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