summaryrefslogtreecommitdiffstats
path: root/arch/um/Kconfig.debug
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/Kconfig.debug')
-rw-r--r--arch/um/Kconfig.debug38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug
new file mode 100644
index 000000000..1dfb2959c
--- /dev/null
+++ b/arch/um/Kconfig.debug
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config GPROF
+ bool "Enable gprof support"
+ depends on DEBUG_INFO && FRAME_POINTER
+ help
+ This allows profiling of a User-Mode Linux kernel with the gprof
+ utility.
+
+ See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
+ details.
+
+ If you're involved in UML kernel development and want to use gprof,
+ say Y. If you're unsure, say N.
+
+config GCOV
+ bool "Enable gcov support"
+ depends on DEBUG_INFO
+ depends on !KCOV
+ depends on !MODULES
+ help
+ This option allows developers to retrieve coverage data from a UML
+ session.
+
+ See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
+ details.
+
+ If you're involved in UML kernel development and want to use gcov,
+ say Y. If you're unsure, say N.
+
+config EARLY_PRINTK
+ bool "Early printk"
+ default y
+ help
+ Write kernel log output directly to stdout.
+
+ This is useful for kernel debugging when your machine crashes very
+ early before the console code is initialized.