Root/
1 | menu "Kernel hacking" |
2 | |
3 | source "lib/Kconfig.debug" |
4 | |
5 | config EARLY_PRINTK |
6 | bool "Early printk" if EXPERT && DEBUG_KERNEL |
7 | default y |
8 | help |
9 | Write kernel log output directly via the hypervisor console. |
10 | |
11 | This is useful for kernel debugging when your machine crashes very |
12 | early before the console code is initialized. For normal operation |
13 | it is not recommended because it looks ugly and doesn't cooperate |
14 | with klogd/syslogd. You should normally N here, |
15 | unless you want to debug such a crash. |
16 | |
17 | config DEBUG_STACKOVERFLOW |
18 | bool "Check for stack overflows" |
19 | depends on DEBUG_KERNEL |
20 | help |
21 | This option will cause messages to be printed if free stack space |
22 | drops below a certain limit. |
23 | |
24 | config DEBUG_STACK_USAGE |
25 | bool "Stack utilization instrumentation" |
26 | depends on DEBUG_KERNEL |
27 | help |
28 | Enables the display of the minimum amount of free stack which each |
29 | task has ever had available in the sysrq-T and sysrq-P debug output. |
30 | |
31 | This option will slow down process creation somewhat. |
32 | |
33 | config DEBUG_EXTRA_FLAGS |
34 | string "Additional compiler arguments when building with '-g'" |
35 | depends on DEBUG_INFO |
36 | default "" |
37 | help |
38 | Debug info can be large, and flags like |
39 | `-femit-struct-debug-baseonly' can reduce the kernel file |
40 | size and build time noticeably. Such flags are often |
41 | helpful if the main use of debug info is line number info. |
42 | |
43 | endmenu |
44 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9