make sure children are traced (like parallel processing)

mvorisek · mvorisek · commit a1adf5c17d34 · 2024-01-26T19:03:16.000+01:00
diff --git a/benchmark/benchmark.php b/benchmark/benchmark.php
@@ -114,6 +114,7 @@ function runValgrindPhpCgiCommand(
         '--tool=callgrind',
         '--dump-instr=yes',
         '--collect-jumps=yes',
+        '--trace-children=yes',
         "--callgrind-out-file=$profileOut",
         '--verbose',
         '--',
