1# SPDX-License-Identifier: GPL-2.0
 2menu "Kernel hacking"
 3
 4source "lib/Kconfig.debug"
 5
 6config GPROF
 7	bool "Enable gprof support"
 8	depends on DEBUG_INFO && FRAME_POINTER
 9	help
10	  This allows profiling of a User-Mode Linux kernel with the gprof
11	  utility.
12
13	  See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
14	  details.
15
16	  If you're involved in UML kernel development and want to use gprof,
17	  say Y.  If you're unsure, say N.
18
19config GCOV
20	bool "Enable gcov support"
21	depends on DEBUG_INFO
 
22	help
23	  This option allows developers to retrieve coverage data from a UML
24	  session.
25
26	  See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
27	  details.
28
29	  If you're involved in UML kernel development and want to use gcov,
30	  say Y.  If you're unsure, say N.
31
32config EARLY_PRINTK
33	bool "Early printk"
34	default y
35	---help---
36	  Write kernel log output directly to stdout.
37
38	  This is useful for kernel debugging when your machine crashes very
39	  early before the console code is initialized.
40
41endmenu

 1# SPDX-License-Identifier: GPL-2.0
 
 
 
 2
 3config GPROF
 4	bool "Enable gprof support"
 5	depends on DEBUG_INFO && FRAME_POINTER
 6	help
 7	  This allows profiling of a User-Mode Linux kernel with the gprof
 8	  utility.
 9
10	  See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
11	  details.
12
13	  If you're involved in UML kernel development and want to use gprof,
14	  say Y.  If you're unsure, say N.
15
16config GCOV
17	bool "Enable gcov support"
18	depends on DEBUG_INFO
19	depends on !KCOV
20	help
21	  This option allows developers to retrieve coverage data from a UML
22	  session.
23
24	  See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
25	  details.
26
27	  If you're involved in UML kernel development and want to use gcov,
28	  say Y.  If you're unsure, say N.
29
30config EARLY_PRINTK
31	bool "Early printk"
32	default y
33	---help---
34	  Write kernel log output directly to stdout.
35
36	  This is useful for kernel debugging when your machine crashes very
37	  early before the console code is initialized.