CONFIG_AMD_MP2_STB: AMD SoC MP2 STB function

General informations

The Linux kernel configuration item CONFIG_AMD_MP2_STB:

• prompt: AMD SoC MP2 STB function
• type: bool
• depends on: CONFIG_AMD_PMC
• defined in drivers/platform/x86/amd/pmc/Kconfig
• found in Linux kernels: 6.10–6.12, 6.13-rc+HEAD

Help text

AMD MP2 STB function provides a data buffer used to log debug information about the system execution during S2Idle suspend/resume. A data buffer known as the STB (Smart Trace Buffer) is a circular buffer which is a low-level log for the SoC which is used to debug any hangs/stalls during S2Idle suspend/resume.

Creates debugfs to get STB, a userspace daemon can access STB log of last S2Idle suspend/resume which can help to debug if hangs/stalls during S2Idle suspend/resume.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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