1 # SPDX-License-Identifier: GPL-2.0 2 3 config 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 16 config GCOV 17 bool "Enable gcov support" 18 depends on DEBUG_INFO 19 depends on !KCOV 20 depends on !MODULES 21 help 22 This option allows developers to retrieve coverage data from a UML 23 session. 24 25 See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more 26 details. 27 28 If you're involved in UML kernel development and want to use gcov, 29 say Y. If you're unsure, say N. 30 31 config EARLY_PRINTK 32 bool "Early printk" 33 default y 34 help 35 Write kernel log output directly to stdout. 36 37 This is useful for kernel debugging when your machine crashes very 38 early before the console code is initialized.
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