From bfbcc4bef388f174acb2b735617e962d4bc0c918 Mon Sep 17 00:00:00 2001
From: yaozhicheng <yaozhicheng@ict.ac.cn>
Date: Thu, 23 May 2024 15:40:31 +0800
Subject: [PATCH] add how to turn on random-bpu-trace

---
 tests/uFTB-with-ftq/README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/uFTB-with-ftq/README.md b/tests/uFTB-with-ftq/README.md
index ed62a9b..013fa41 100644
--- a/tests/uFTB-with-ftq/README.md
+++ b/tests/uFTB-with-ftq/README.md
@@ -48,6 +48,11 @@ make TEST=uFTB-with-ftq run
 
 若要更改需要执行的程序，可在 `config.py` 中更改相应变量的值，仿真所需的真实程序已经放置仓库 `utils/ready-to-run` 目录下。若要更改仿真所持续的周期数，可在 `config.py` 中更改 `MAX_CYCLE` 的值。
 
+如果需要启用随机trace，可以设置环境变量 RANDOM_BPT=1
+```shell
+RANDOM_BPT=1 make TEST=uFTB-with-ftq run
+```
+
 ## 使用说明
 
 ### 目录结构