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Message-Id: <11712242071183-git-send-email-mathieu.desnoyers@polymtl.ca>
Date: Sun, 11 Feb 2007 15:03:23 -0500
From: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To: linux-kernel@...r.kernel.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
Christoph Hellwig <hch@...radead.org>,
Ingo Molnar <mingo@...hat.com>, systemtap@...rces.redhat.com,
ltt-dev@...fik.org
Subject: [PATCH 01/05] Linux Kernel Markers : Kconfig menus
Linux Kernel Markers : Kconfig menus
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
--- /dev/null
+++ b/kernel/Kconfig.marker
@@ -0,0 +1,17 @@
+# Code markers configuration
+
+config MARKERS
+ bool "Activate markers"
+ select MODULES
+ default n
+ help
+ Place an empty function call at each marker site. Can be
+ dynamically changed for a probe function.
+
+config MARKERS_ENABLE_OPTIMIZATION
+ bool "Enable marker optimization"
+ depends on MARKERS
+ default y
+ help
+ Disable code replacement jump optimisations. Especially useful if your
+ code is in a read-only rom/flash.
--- a/Makefile
+++ b/Makefile
@@ -308,7 +308,8 @@ AFLAGS_KERNEL =
# Needed to be compatible with the O= option
LINUXINCLUDE := -Iinclude \
$(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \
- -include include/linux/autoconf.h
+ -include include/linux/autoconf.h \
+ -include linux/marker.h
CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE)
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -638,6 +638,12 @@ source "fs/Kconfig"
source "arch/alpha/oprofile/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/alpha/Kconfig.debug"
source "security/Kconfig"
--- a/arch/arm26/Kconfig
+++ b/arch/arm26/Kconfig
@@ -240,6 +240,12 @@ source "drivers/misc/Kconfig"
source "drivers/usb/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/arm26/Kconfig.debug"
source "security/Kconfig"
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -968,6 +968,12 @@ source "fs/Kconfig"
source "arch/arm/oprofile/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/arm/Kconfig.debug"
source "security/Kconfig"
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -191,6 +191,12 @@ source "sound/Kconfig"
source "drivers/usb/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/cris/Kconfig.debug"
source "security/Kconfig"
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -375,6 +375,12 @@ source "drivers/Kconfig"
source "fs/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/frv/Kconfig.debug"
source "security/Kconfig"
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -205,6 +205,12 @@ endmenu
source "fs/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/h8300/Kconfig.debug"
source "security/Kconfig"
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -1210,6 +1210,9 @@ config KPROBES
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.marker"
+
endmenu
source "arch/i386/Kconfig.debug"
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -564,6 +564,9 @@ config KPROBES
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.marker"
+
endmenu
source "arch/ia64/Kconfig.debug"
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -394,6 +394,12 @@ source "fs/Kconfig"
source "arch/m32r/oprofile/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/m32r/Kconfig.debug"
source "security/Kconfig"
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -660,6 +660,12 @@ endmenu
source "fs/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/m68k/Kconfig.debug"
source "security/Kconfig"
--- a/arch/m68knommu/Kconfig
+++ b/arch/m68knommu/Kconfig
@@ -669,6 +669,12 @@ source "drivers/Kconfig"
source "fs/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/m68knommu/Kconfig.debug"
source "security/Kconfig"
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -1441,8 +1441,14 @@ endmenu
source "lib/Kconfig"
+menu "Instrumentation Support"
+
source "arch/powerpc/oprofile/Kconfig"
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/ppc/Kconfig.debug"
source "security/Kconfig"
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1189,6 +1189,9 @@ config KPROBES
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.marker"
+
endmenu
source "arch/powerpc/Kconfig.debug"
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -263,6 +263,12 @@ source "fs/Kconfig"
source "arch/parisc/oprofile/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/parisc/Kconfig.debug"
source "security/Kconfig"
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2082,6 +2082,12 @@ source "fs/Kconfig"
source "arch/mips/oprofile/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/mips/Kconfig.debug"
source "security/Kconfig"
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -518,6 +518,8 @@ config KPROBES
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+source "kernel/Kconfig.marker"
+
endmenu
source "arch/s390/Kconfig.debug"
--- a/arch/sh64/Kconfig
+++ b/arch/sh64/Kconfig
@@ -284,6 +284,12 @@ source "fs/Kconfig"
source "arch/sh64/oprofile/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/sh64/Kconfig.debug"
source "security/Kconfig"
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -707,6 +707,12 @@ source "fs/Kconfig"
source "arch/sh/oprofile/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/sh/Kconfig.debug"
source "security/Kconfig"
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -443,6 +443,9 @@ config KPROBES
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.marker"
+
endmenu
source "arch/sparc64/Kconfig.debug"
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -302,6 +302,8 @@ menu "Instrumentation Support"
source "arch/sparc/oprofile/Kconfig"
+source "kernel/Kconfig.marker"
+
endmenu
source "arch/sparc/Kconfig.debug"
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -344,4 +344,10 @@ config INPUT
bool
default n
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/um/Kconfig.debug"
--- a/arch/v850/Kconfig
+++ b/arch/v850/Kconfig
@@ -332,6 +332,12 @@ source "sound/Kconfig"
source "drivers/usb/Kconfig"
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/v850/Kconfig.debug"
source "security/Kconfig"
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -244,6 +244,12 @@ config EMBEDDED_RAMDISK_IMAGE
provide one yourself.
endmenu
+menu "Instrumentation Support"
+
+source "kernel/Kconfig.marker"
+
+endmenu
+
source "arch/xtensa/Kconfig.debug"
source "security/Kconfig"
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -731,6 +731,9 @@ config KPROBES
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.marker"
+
endmenu
source "arch/x86_64/Kconfig.debug"
-
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