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authorGravatar Romain Naour <romain.naour@openwide.fr>2015-07-14 19:35:13 +0200
committerGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2015-07-14 23:22:58 +0200
commitf1863ede94c29e120d7ce900f7cce211f1e8633a (patch)
treef6054610bd5d592de1f8d1ec765cd030bd62b0da /linux
parentf3a23945a283422ce07b3ca4df5398911c77b3a2 (diff)
downloadbuildroot-f1863ede94c29e120d7ce900f7cce211f1e8633a.tar.gz
buildroot-f1863ede94c29e120d7ce900f7cce211f1e8633a.tar.bz2
linux-tools: add cpupower
This patch is based on the patch send by James Knight: http://lists.busybox.net/pipermail/buildroot/2015-May/128754.html Signed-off-by: Romain Naour <romain.naour@openwide.fr> Cc: James Knight <james.knight@rockwellcollins.com> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'linux')
-rw-r--r--linux/Config.in3
-rw-r--r--linux/Config.tools.in11
-rw-r--r--linux/linux-tool-cpupower.mk39
3 files changed, 53 insertions, 0 deletions
diff --git a/linux/Config.in b/linux/Config.in
index 8c86a1ae7e..097cde5469 100644
--- a/linux/Config.in
+++ b/linux/Config.in
@@ -364,6 +364,9 @@ config BR2_LINUX_KERNEL_INSTALL_TARGET
# Linux extensions
source "linux/Config.ext.in"
+# Linux tools
+source "linux/Config.tools.in"
+
endif # BR2_LINUX_KERNEL
endmenu
diff --git a/linux/Config.tools.in b/linux/Config.tools.in
new file mode 100644
index 0000000000..008e68c5f4
--- /dev/null
+++ b/linux/Config.tools.in
@@ -0,0 +1,11 @@
+menu "Linux Kernel Tools"
+
+config BR2_LINUX_KERNEL_TOOL_CPUPOWER
+ bool "cpupower"
+ depends on !BR2_bfin # pciutils
+ select BR2_PACKAGE_PCIUTILS
+ help
+ cpupower is a collection of tools to examine and tune power
+ saving related features of your processor.
+
+endmenu
diff --git a/linux/linux-tool-cpupower.mk b/linux/linux-tool-cpupower.mk
new file mode 100644
index 0000000000..4551cda1f1
--- /dev/null
+++ b/linux/linux-tool-cpupower.mk
@@ -0,0 +1,39 @@
+################################################################################
+#
+# cpupower
+#
+################################################################################
+
+LINUX_TOOLS += cpupower
+
+CPUPOWER_DEPENDENCIES = pciutils
+
+CPUPOWER_MAKE_OPTS = CROSS=$(TARGET_CROSS) \
+ CPUFREQ_BENCH=false \
+ DEBUG=false
+
+define CPUPOWER_BUILD_CMDS
+ $(Q)if test ! -f $(@D)/tools/power/cpupower/Makefile ; then \
+ echo "Your kernel version is too old and does not have the cpupower tool." ; \
+ echo "At least kernel 3.4 must be used." ; \
+ exit 1 ; \
+ fi
+
+ $(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/tools \
+ $(CPUPOWER_MAKE_OPTS) \
+ cpupower
+endef
+
+define CPUPOWER_INSTALL_STAGING_CMDS
+ $(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/tools \
+ $(CPUPOWER_MAKE_OPTS) \
+ DESTDIR=$(STAGING_DIR) \
+ cpupower_install
+endef
+
+define CPUPOWER_INSTALL_TARGET_CMDS
+ $(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/tools \
+ $(CPUPOWER_MAKE_OPTS) \
+ DESTDIR=$(TARGET_DIR) \
+ cpupower_install
+endef