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