From a3cc57ab6594a5f97de8d6996b2c4588bca05cf0 Mon Sep 17 00:00:00 2001
From: Tyson Smith <tyson.w.smith@gmail.com>
Date: Mon, 4 Nov 2024 11:55:37 -0800
Subject: [PATCH] feat: add VALGRIND_TRACK_ORIGINS

This will allow toggling Valgrind's --track-origins option
---
 src/ffpuppet/core.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ffpuppet/core.py b/src/ffpuppet/core.py
index 464442d..95eaf2f 100644
--- a/src/ffpuppet/core.py
+++ b/src/ffpuppet/core.py
@@ -347,7 +347,12 @@ def build_launch_cmd(
                 "--smc-check=all-non-file",
                 "--trace-children=yes",
                 "--trace-children-skip=python*,*/lsb_release",
-                "--track-origins=no",
+                # track-origins=no is much faster and best used to discover issues
+                (
+                    "--track-origins=yes"
+                    if getenv("VALGRIND_TRACK_ORIGINS") == "1"
+                    else "--track-origins=no"
+                ),
                 "--vex-iropt-register-updates=allregs-at-mem-access",
                 "--vgdb=no",
             ]