[finsh][cmd] Merge duplicate RT_USING_CPU_USAGE_TRACER blocks in list…

[1m-m]

…_thread

The RT_USING_CPU_USAGE_TRACER print block was duplicated identically in both the ARCH_CPU_STACK_GROWS_UPWARD and the normal branch of list_thread(). Both branches only differ in the stack usage line (which has no trailing newline), so move the single shared block after the #endif of the stack-growth conditional. No functional change.

拉取/合并请求描述：(PR description)

[

为什么提交这份PR (why to submit this PR)

n list_thread() the RT_USING_CPU_USAGE_TRACER print block was duplicated
identically in both branches of the ARCH_CPU_STACK_GROWS_UPWARD conditional.

你的解决方案是什么 (what is your solution)

The two branches only differ in the stack-usage rt_kprintf line (which has no
trailing newline). Move the identical trailer block after the #endif of the
stack-growth conditional so it appears only once. No functional/output change.

请提供验证的bsp和config (provide the config and bsp)

• BSP: no

• .config: Default config with RT_USING_FINSH enabled; built with RT_USING_CPU_USAGE_TRACER
  both ON and OFF to cover both #ifdef branches, and verified list_thread output
  is unchanged.

• action: https://github.com/1m-m/rt-thread/actions/runs/26804442490

]

当前拉取/合并请求的状态 Intent for your PR

必须选择一项 Choose one (Mandatory):

• 本拉取/合并请求是一个草稿版本 This PR is for a code-review and is intended to get feedback
• [√] 本拉取/合并请求是一个成熟版本 This PR is mature, and ready to be integrated into the repo

代码质量 Code Quality：

我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:

• [ √] 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
• [ √] 代码风格正确，包括缩进空格，命名及其他风格 Style guide is adhered to, including spacing, naming and other styles
• [ √] 没有垃圾代码，代码尽量精简，不包含#if 0代码，不包含已经被注释了的代码 All redundant code is removed and cleaned up
• [ √] 所有变更均有原因及合理的，并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
• [ √] 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
• [ √] 代码是高质量的 Code in this PR is of high quality
• [ √] 已经使用formatting 等源码格式化工具确保格式符合RT-Thread代码规范 This PR complies with RT-Thread code specification
• 如果是新增bsp, 已经添加ci检查到.github/ALL_BSP_COMPILE.json 详细请参考链接BSP自查

[github-actions]

👋 感谢您对 RT-Thread 的贡献！Thank you for your contribution to RT-Thread!

为确保代码符合 RT-Thread 的编码规范，请在你的仓库中执行以下步骤运行代码格式化工作流（如果格式化CI运行失败）。
To ensure your code complies with RT-Thread's coding style, please run the code formatting workflow by following the steps below (If the formatting of CI fails to run).

---

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  Set files/directories to exclude (directories should end with "/")
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   The formatted code will be automatically pushed to your branch.

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Once completed, commits will be pushed to the master branch automatically, and the related Pull Request will be updated.

如有问题欢迎联系我们，再次感谢您的贡献！💐
If you have any questions, feel free to reach out. Thanks again for your contribution!

[github-actions]

📌 Code Review Assignment

🏷️ Tag: components

Reviewers: @Maihuanyi

Changed Files (Click to expand)

• components/finsh/cmd.c

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📊 Current Review Status (Last Updated: 2026-06-02 15:04 CST)

• ⌛ @Maihuanyi Pending Review

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📝 Review Instructions

1. 维护者可以通过单击此处来刷新审查状态: 🔄 刷新状态
   Maintainers can refresh the review status by clicking here: 🔄 Refresh Status

2. 确认审核通过后评论 LGTM/lgtm
   Comment LGTM/lgtm after confirming approval

3. PR合并前需至少一位维护者确认
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