CONFIG_KSTACK_ERASE_METRICS: Show KSTACK_ERASE metrics in the /proc file system

General informations

The Linux kernel configuration item CONFIG_KSTACK_ERASE_METRICS:

• prompt: Show KSTACK_ERASE metrics in the /proc file system
• type: bool
• depends on: ( CONFIG_KSTACK_ERASE ) && ( CONFIG_PROC_FS )
• defined in security/Kconfig.hardening
• found in Linux kernels: 6.17-rc+HEAD

Help text

If this is set, KSTACK_ERASE metrics for every task are available in the /proc file system. In particular, /proc/<pid>/stack_depth shows the maximum kernel stack consumption for the current and previous syscalls. Although this information is not precise, it can be useful for estimating the KSTACK_ERASE performance impact for your workloads.

Hardware

LKDDb

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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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