Version 2.7.7

[lttng-modules.git] / probes / Makefile

diff --git a/probes/Makefile b/probes/Makefile
index 225803c39747d2790723af3fa7b37092361976db..9a2558b3312dadceb5b56eb362de0b3e7d6bbea1 100644 (file)
--- a/probes/Makefile
+++ b/probes/Makefile
@@ -5,6 +5,11 @@
 ifneq ($(KERNELRELEASE),)
 ifneq ($(CONFIG_TRACEPOINTS),)
 
+KERNELDIR = ${LTTNG_KERNELDIR}
+MAKEFILEDIR = $(shell dirname $(lastword $(MAKEFILE_LIST)))
+
+include $(MAKEFILEDIR)/../Makefile.ABI.workarounds
+
 ccflags-y += -I$(PWD)/probes
 obj-m += lttng-types.o
 
@@ -19,6 +24,28 @@ obj-m += lttng-probe-statedump.o
 
 ifneq ($(CONFIG_KVM),)
 obj-m += lttng-probe-kvm.o
+ifneq ($(CONFIG_X86),)
+kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
+ifneq ($(wildcard $(kvm_dep_lapic)),)
+kvm_dep = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
+ifneq ($(wildcard $(kvm_dep)),)
+CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
+CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
+obj-m +=  $(shell \
+       if [ $(VERSION) -ge 3 \
+               -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
+               echo "lttng-probe-kvm-x86.o" ; fi;)
+obj-m +=  $(shell \
+       if [ $(VERSION) -ge 3 \
+               -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
+               echo "lttng-probe-kvm-x86-mmu.o" ; fi;)
+else
+$(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
+endif
+else
+$(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
+endif
+endif
 endif
 
 obj-m +=  $(shell \
@@ -40,10 +67,12 @@ obj-m +=  $(shell \
                -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
                echo "lttng-probe-net.o" ; fi;)
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
                echo "lttng-probe-sock.o" ; fi;)
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
                echo "lttng-probe-udp.o" ; fi;)
 endif
 
@@ -58,8 +87,8 @@ ifneq ($(CONFIG_EXT3_FS),)
 ext3_dep = $(srctree)/fs/ext3/*.h
 ext3_dep_check = $(wildcard $(ext3_dep))
 ext3 = $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
-               if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 -a \
+       if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
+               if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \
                        -z "$(ext3_dep_check)" ] ; then \
                        echo "warn" ; \
                        exit ; \
@@ -85,7 +114,8 @@ endif
 
 ifneq ($(CONFIG_JBD),)
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
                echo "lttng-probe-jbd.o" ; fi;)
 endif
 
@@ -151,41 +181,56 @@ obj-m += $(ext4)
 endif
 
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
                echo "lttng-probe-printk.o" ; fi;)
 ifneq ($(CONFIG_FRAME_WARN),0)
 CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 endif
 
 obj-m +=  $(shell \
-       if [ \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
                -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
                -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
                -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
                echo "lttng-probe-random.o" ; fi;)
 
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
                echo "lttng-probe-rcu.o" ; fi;)
 
 ifneq ($(CONFIG_REGMAP),)
-obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
-               echo "lttng-probe-regmap.o" ; fi;)
+regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
+ifneq ($(wildcard $(regmap_dep_4_1)),)
+obj-m += lttng-probe-regmap.o
+else
+$(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
+endif
 endif
 
 ifneq ($(CONFIG_PM_RUNTIME),)
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
                echo "lttng-probe-rpm.o" ; fi;)
 endif
 
 ifneq ($(CONFIG_SUNRPC),)
 obj-m +=  $(shell \
-       if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 ] ; then \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
                echo "lttng-probe-sunrpc.o" ; fi;)
 endif
 
+ifneq ($(CONFIG_VIDEO_V4L2),)
+obj-m += $(shell \
+       if [ $(VERSION) -ge 4 \
+               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
+               echo "lttng-probe-v4l2.o" ; fi;)
+endif
+
 obj-m += lttng-probe-workqueue.o
 
 ifneq ($(CONFIG_KALLSYMS_ALL),)
@@ -193,6 +238,8 @@ obj-m +=  $(shell \
        if [ $(VERSION) -ge 3 \
                -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
                echo "lttng-probe-writeback.o" ; fi;)
+else
+$(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 endif
 
 
@@ -211,6 +258,8 @@ endif
 
 endif
 
+obj-m += lttng-test.o
+
 else
        KERNELDIR ?= /lib/modules/$(shell uname -r)/build
        PWD := $(shell pwd)