[compiler-rt] [scudo] Move the trace point in releaseToOSMaybe (PR #159204)

[Christopher Ferris via llvm-commits]

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@@ -1455,6 +1453,11 @@ uptr SizeClassAllocator64<Config>::releaseToOSMaybe(RegionInfo *Region,
   // ==================================================================== //
   // 4. Release the unused physical pages back to the OS.
   // ==================================================================== //
+
+  // Only add trace point after it is determined that a release will occur to
+  // avoid incurring performance penalties.
+  SCUDO_SCOPED_TRACE(GetPrimaryReleaseToOSMaybeTraceName(ReleaseType));
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cferris1000 wrote:

Done.

https://github.com/llvm/llvm-project/pull/159204