[compiler-rt] [scudo] Use variable instead of recomputing. (PR #106647)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Christopher Ferris (cferris1000)

<details>
<summary>Changes</summary>

In the getStats() function, there is already a variable that computes the in use bytes, so use that instead of recomputing it.

---
Full diff: https://github.com/llvm/llvm-project/pull/106647.diff


2 Files Affected:

- (modified) compiler-rt/lib/scudo/standalone/primary32.h (+1-1) 
- (modified) compiler-rt/lib/scudo/standalone/primary64.h (+1-1) 


``````````diff
diff --git a/compiler-rt/lib/scudo/standalone/primary32.h b/compiler-rt/lib/scudo/standalone/primary32.h
index ebfb8dfe0a31f4..87264471be2c1a 100644
--- a/compiler-rt/lib/scudo/standalone/primary32.h
+++ b/compiler-rt/lib/scudo/standalone/primary32.h
@@ -940,7 +940,7 @@ template <typename Config> class SizeClassAllocator32 {
 
     uptr Integral;
     uptr Fractional;
-    computePercentage(BlockSize * InUseBlocks, InUsePages * PageSize, &Integral,
+    computePercentage(BlockSize * InUseBlocks, InUseBytes, &Integral,
                       &Fractional);
     Str->append("  %02zu (%6zu): inuse/total blocks: %6zu/%6zu inuse/total "
                 "pages: %6zu/%6zu inuse bytes: %6zuK util: %3zu.%02zu%%\n",
diff --git a/compiler-rt/lib/scudo/standalone/primary64.h b/compiler-rt/lib/scudo/standalone/primary64.h
index 8436f33c2fdcfc..ffcc22fea0c6ea 100644
--- a/compiler-rt/lib/scudo/standalone/primary64.h
+++ b/compiler-rt/lib/scudo/standalone/primary64.h
@@ -1185,7 +1185,7 @@ template <typename Config> class SizeClassAllocator64 {
 
     uptr Integral;
     uptr Fractional;
-    computePercentage(BlockSize * InUseBlocks, InUsePages * PageSize, &Integral,
+    computePercentage(BlockSize * InUseBlocks, InUseBytes, &Integral,
                       &Fractional);
     Str->append("  %02zu (%6zu): inuse/total blocks: %6zu/%6zu inuse/total "
                 "pages: %6zu/%6zu inuse bytes: %6zuK util: %3zu.%02zu%%\n",

``````````

</details>


https://github.com/llvm/llvm-project/pull/106647