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linux.mk: enable options for ktap 

Certain tracing related options are required to be able to build ktapvm.ko, enable those.

Enable CONFIG_FUNTCTION_TRACER as otherwise, CONFIG_EVENT_TRACING won't stick. (Some
tracer needs to be enabled for this).

[Peter: add a note to ktap Config.in explaining this is done]
Signed-off-by: Anders Darander <anders@chargestorm.se>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Anders Darander 2013-12-16 11:53:20 +01:00 committed by Peter Korsgaard
parent 3c2107bb6c
commit aaef2cad85
2 changed files with 7 additions and 0 deletions
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5
linux/linux.mk
View File

@ -184,6 +184,11 @@ define LINUX_CONFIGURE_CMDS
$(call KCONFIG_ENABLE_OPT,CONFIG_DEVTMPFS_MOUNT,$(@D)/.config))
$(if $(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),
$(call KCONFIG_SET_OPT,CONFIG_UEVENT_HELPER_PATH,\"/sbin/mdev\",$(@D)/.config))
$(if $(BR2_PACKAGE_KTAP),
$(call KCONFIG_ENABLE_OPT,CONFIG_DEBUG_FS,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_EVENT_TRACING,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_PERF_EVENTS,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_FUNCTION_TRACER,$(@D)/.config))
$(if $(BR2_PACKAGE_SYSTEMD),
$(call KCONFIG_ENABLE_OPT,CONFIG_CGROUPS,$(@D)/.config))
$(if $(BR2_LINUX_KERNEL_APPENDED_DTB),

2
package/ktap/Config.in
View File

@ -16,6 +16,8 @@ config BR2_PACKAGE_KTAP
Your kernel must have CONFIG_EVENT_TRACING,
CONFIG_PERF_EVENTS, and CONFIG_DEBUG_FS enabled to compile.
Buildroot automatically enables these in the kernel configuration.
http://www.ktap.org
comment "ktap needs a Linux kernel to be built"