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-rwxr-xr-xincludes/Profiling.php10
1 files changed, 6 insertions, 4 deletions
diff --git a/includes/Profiling.php b/includes/Profiling.php
index 770f39fedd3b..2fe5adab3b75 100755
--- a/includes/Profiling.php
+++ b/includes/Profiling.php
@@ -245,10 +245,12 @@ class Profiler {
$subcalls = $this->calltreeCount($this->mStack, $index);
if (!preg_match('/^-overhead/', $fname)) {
- # Adjust for profiling overhead
- $elapsed -= $overheadInternal;
- $elapsed -= ($subcalls * $overheadTotal);
- $memory -= ($subcalls * $overheadMemory);
+ # Adjust for profiling overhead (except special values with elapsed=0
+ if ( $elapsed ) {
+ $elapsed -= $overheadInternal;
+ $elapsed -= ($subcalls * $overheadTotal);
+ $memory -= ($subcalls * $overheadMemory);
+ }
}
if (!array_key_exists($fname, $this->mCollated)) {