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Diffstat (limited to 'arch/loongarch/Kconfig.debug')
| -rw-r--r-- | arch/loongarch/Kconfig.debug | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/loongarch/Kconfig.debug b/arch/loongarch/Kconfig.debug new file mode 100644 index 000000000000..8b2ce5b5d43e --- /dev/null +++ b/arch/loongarch/Kconfig.debug @@ -0,0 +1,41 @@ +choice + prompt "Choose kernel unwinder" + default UNWINDER_PROLOGUE if KALLSYMS + help + This determines which method will be used for unwinding kernel stack + traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack, + lockdep, and more. + +config UNWINDER_GUESS + bool "Guess unwinder" + help + This option enables the "guess" unwinder for unwinding kernel stack + traces. It scans the stack and reports every kernel text address it + finds. Some of the addresses it reports may be incorrect. + + While this option often produces false positives, it can still be + useful in many cases. + +config UNWINDER_PROLOGUE + bool "Prologue unwinder" + depends on KALLSYMS + help + This option enables the "prologue" unwinder for unwinding kernel stack + traces. It unwind the stack frame based on prologue code analyze. Symbol + information is needed, at least the address and length of each function. + Some of the addresses it reports may be incorrect (but better than the + Guess unwinder). + +config UNWINDER_ORC + bool "ORC unwinder" + depends on HAVE_OBJTOOL + select OBJTOOL + help + This option enables the ORC (Oops Rewind Capability) unwinder for + unwinding kernel stack traces. It uses a custom data format which is + a simplified version of the DWARF Call Frame Information standard. + + Enabling this option will increase the kernel's runtime memory usage + by roughly 2-4MB, depending on your kernel config. + +endchoice |