2 bool "Persistent store support"
5 This option enables generic access to platform level
6 persistent storage via "pstore" filesystem that can
7 be mounted as /dev/pstore. Only useful if you have
8 a platform level driver that registers with pstore to
9 provide the data, so you probably should just go say "Y"
10 (or "M") to a platform specific persistent store driver
11 (e.g. ACPI_APEI on X86) which will select this for you.
12 If you don't have a platform persistent store driver,
16 bool "Log kernel console messages"
19 When the option is enabled, pstore will log all kernel
20 messages, even if no oops or panic happened.
23 bool "Log user space messages"
26 When the option is enabled, pstore will export a character
27 interface /dev/pmsg0 to log user space messages. On reboot
28 data can be retrieved from /sys/fs/pstore/pmsg-ramoops-[ID].
33 bool "Persistent function tracer"
35 depends on FUNCTION_TRACER
38 With this option kernel traces function calls into a persistent
39 ram buffer that can be decoded and dumped after reboot through
40 pstore filesystem. It can be used to determine what function
41 was last called before a reset or panic.
46 tristate "Log panic/oops to a RAM buffer"
49 depends on HAVE_MEMBLOCK
51 select REED_SOLOMON_ENC8
52 select REED_SOLOMON_DEC8
54 This enables panic and oops messages to be logged to a circular
55 buffer in RAM where it can be read back at some later point.
57 Note that for historical reasons, the module will be named
60 For more information, see Documentation/ramoops.txt.