TOP_LTTNG_MODULES_DIR := $(shell dirname $(lastword $(MAKEFILE_LIST)))/../..
-include $(TOP_LTTNG_MODULES_DIR)/Kbuild.common
+include $(TOP_LTTNG_MODULES_DIR)/src/Kbuild.common
ccflags-y += -I$(TOP_LTTNG_MODULES_DIR)/include
obj-$(CONFIG_LTTNG) += lttng-probe-sched.o
obj-$(CONFIG_LTTNG) += lttng-probe-irq.o
obj-$(CONFIG_LTTNG) += lttng-probe-timer.o
-obj-$(CONFIG_LTTNG) += lttng-probe-kmem.o
+
+# A dependency on internal header 'mm/slab.h' was introduced in v6.0
+kmem_dep = $(srctree)/mm/slab.h
+kmem_dep_wildcard = $(wildcard $(kmem_dep))
+kmem_dep_check = $(shell \
+if [ \( $(VERSION) -ge 7 \
+ -o \( $(VERSION) -eq 6 -a $(PATCHLEVEL) -ge 0 \) \) -a \
+ -z "$(kmem_dep_wildcard)" ] ; then \
+ echo "warn" ; \
+else \
+ echo "ok" ; \
+fi ;)
+ifeq ($(kmem_dep_check),ok)
+ obj-$(CONFIG_LTTNG) += lttng-probe-kmem.o
+else
+ $(warning File $(kmem_dep) not found. Probe "kmem" is disabled. Use full kernel source tree to enable it.)
+endif
+
obj-$(CONFIG_LTTNG) += lttng-probe-module.o
obj-$(CONFIG_LTTNG) += lttng-probe-power.o
obj-$(CONFIG_LTTNG) += lttng-probe-statedump.o
ifneq ($(CONFIG_NET_9P),)
- obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 10 \) ] ; then \
- echo "lttng-probe-9p.o" ; fi;)
+ obj-$(CONFIG_LTTNG) += lttng-probe-9p.o
endif # CONFIG_NET_9P
i2c_dep = $(srctree)/include/trace/events/i2c.h
ifneq ($(CONFIG_KVM),)
obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o
ifneq ($(CONFIG_X86),)
- kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
- kvm_dep_lapic_check = $(wildcard $(kvm_dep_lapic))
- ifneq ($(kvm_dep_lapic_check),)
- # search for iodev.h in any of its known locations
- kvm_dep_iodev = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
- kvm_dep_iodev_check = $(wildcard $(kvm_dep_iodev))
- ifneq ($(kvm_dep_iodev_check),)
- kvm_dep_emulate = $(srctree)/arch/x86/kvm/kvm_emulate.h
- kvm_dep_emulate_wildcard = $(wildcard $(kvm_dep_emulate))
- kvm_dep_emulate_check = $(shell \
- if [ \( $(VERSION) -ge 6 \
- -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -eq 7 \) \) -a \
- -z "$(kvm_dep_emulate_wildcard)" ] ; then \
- echo "warn" ; \
- else \
- echo "ok" ; \
- fi ;)
- ifeq ($(kvm_dep_emulate_check),ok)
- CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm \
- -I$(srctree)/arch/x86/kvm
- CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
- obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o
- obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o
- else # ($(kvm_dep_emulate_check),ok)
- $(warning File $(kvm_dep_emulate) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
- endif # ($(kvm_dep_emulate_check),ok)
- else # $(kvm_dep_iodev_check)
- $(warning File $(kvm_dep_iodev) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
- endif # $(kvm_dep_iodev_check)
- else # $(kvm_dep_lapic_check)
- $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
- endif # $(kvm_dep_lapic_check)
+ ifneq ($(CONFIG_KALLSYMS_ALL),)
+ kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
+ kvm_dep_lapic_check = $(wildcard $(kvm_dep_lapic))
+ ifneq ($(kvm_dep_lapic_check),)
+ kvm_dep_iodev = $(srctree)/include/kvm/iodev.h
+ kvm_dep_iodev_check = $(wildcard $(kvm_dep_iodev))
+ ifneq ($(kvm_dep_iodev_check),)
+ kvm_dep_emulate = $(srctree)/arch/x86/kvm/kvm_emulate.h
+ kvm_dep_emulate_wildcard = $(wildcard $(kvm_dep_emulate))
+ kvm_dep_emulate_check = $(shell \
+ if [ \( $(VERSION) -ge 6 \
+ -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -eq 7 \) \) -a \
+ -z "$(kvm_dep_emulate_wildcard)" ] ; then \
+ echo "warn" ; \
+ else \
+ echo "ok" ; \
+ fi ;)
+ ifeq ($(kvm_dep_emulate_check),ok)
+ CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm \
+ -I$(srctree)/arch/x86/kvm
+ CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm \
+ -I$(srctree)/arch/x86/kvm
+ obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o
+ obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o
+ else # ($(kvm_dep_emulate_check),ok)
+ $(warning File $(kvm_dep_emulate) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
+ endif # ($(kvm_dep_emulate_check),ok)
+ else # $(kvm_dep_iodev_check)
+ $(warning File $(kvm_dep_iodev) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
+ endif # $(kvm_dep_iodev_check)
+ else # $(kvm_dep_lapic_check)
+ $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
+ endif # $(kvm_dep_lapic_check)
+ else
+ $(warning CONFIG_KALLSYMS_ALL is disabled. Probe "kvm" x86-specific is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
+ endif # CONFIG_KALLSYMS_ALL
endif # CONFIG_X86
endif # CONFIG_KVM
obj-$(CONFIG_LTTNG) += lttng-probe-signal.o
+ifneq ($(CONFIG_DMA_SHARED_BUFFER),)
+ obj-$(CONFIG_LTTNG) += $(shell \
+ if [ $(VERSION) -ge 5 \
+ -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -ge 10 \) ] ; then \
+ echo "lttng-probe-dma-fence.o" ; fi;)
+endif # CONFIG_DMA_SHARED_BUFFER
+
ifneq ($(CONFIG_BLOCK),)
# need blk_cmd_buf_len
ifneq ($(CONFIG_EVENT_TRACING),)
obj-$(CONFIG_LTTNG) += lttng-probe-napi.o
obj-$(CONFIG_LTTNG) += lttng-probe-skb.o
obj-$(CONFIG_LTTNG) += lttng-probe-net.o
- obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
- echo "lttng-probe-sock.o" ; fi;)
- obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
- echo "lttng-probe-udp.o" ; fi;)
+ obj-$(CONFIG_LTTNG) += lttng-probe-sock.o
+ obj-$(CONFIG_LTTNG) += lttng-probe-udp.o
endif # CONFIG_NET
ifneq ($(CONFIG_SND_SOC),)
obj-$(CONFIG_LTTNG) += lttng-probe-asoc.o
endif # CONFIG_SND_SOC
-ifneq ($(CONFIG_EXT3_FS),)
- ext3_dep = $(srctree)/fs/ext3/*.h
- ext3_dep_check = $(wildcard $(ext3_dep))
- ext3 = $(shell \
- if [ $(VERSION) -lt 4 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -lt 3 \) ] ; then \
- 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 "$(ext3_dep_check)" ] ; then \
- echo "warn" ; \
- exit ; \
- fi; \
- echo "lttng-probe-ext3.o" ; \
- fi; \
- fi;)
- ifeq ($(ext3),warn)
- $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
- ext3 =
- endif # $(ext3),warn
- obj-$(CONFIG_LTTNG) += $(ext3)
-endif # CONFIG_EXT3_FS
-
ifneq ($(CONFIG_GPIOLIB),)
- obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 3 ] ; then \
- echo "lttng-probe-gpio.o" ; fi;)
+ obj-$(CONFIG_LTTNG) += lttng-probe-gpio.o
endif # CONFIG_GPIOLIB
ifneq ($(CONFIG_JBD2),)
endif # CONFIG_JBD2
ifneq ($(CONFIG_JBD),)
- obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
- echo "lttng-probe-jbd.o" ; fi;)
+ obj-$(CONFIG_LTTNG) += lttng-probe-jbd.o
endif # CONFIG_JBD
ifneq ($(CONFIG_REGULATOR),)
endif # $(wildcard $(btrfs_dep))
endif # CONFIG_BTRFS_FS
-obj-$(CONFIG_LTTNG) += lttng-probe-compaction.o
+ifneq ($(CONFIG_COMPACTION),)
+ # A dependency on internal header 'mm/internal.h' was introduced in v5.18
+ compaction_dep = $(srctree)/mm/internal.h
+ compaction_dep_wildcard = $(wildcard $(compaction_dep))
+ compaction_dep_check = $(shell \
+ if [ \( $(VERSION) -ge 6 \
+ -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -ge 18 \) \) -a \
+ -z "$(compaction_dep_wildcard)" ] ; then \
+ echo "warn" ; \
+ else \
+ echo "ok" ; \
+ fi ;)
+ ifeq ($(compaction_dep_check),ok)
+ obj-$(CONFIG_LTTNG) += lttng-probe-compaction.o
+ else
+ $(warning Files $(compaction_dep) not found. Probe "compaction" is disabled. Use full kernel source tree to enable it.)
+ endif # $(wildcard $(compaction_dep))
+endif # CONFIG_COMPACTION
ifneq ($(CONFIG_EXT4_FS),)
ext4_dep = $(srctree)/fs/ext4/*.h
endif # $(wildcard $(ext4_dep))
endif # CONFIG_EXT4_FS
-obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
- echo "lttng-probe-printk.o" ; fi;)
+obj-$(CONFIG_LTTNG) += lttng-probe-printk.o
ifneq ($(CONFIG_FRAME_WARN),0)
CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
endif
-obj-$(CONFIG_LTTNG) += $(shell \
- 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;)
+# Introduced in v3.6, remove in v5.18
+random_dep = $(srctree)/include/trace/events/random.h
+ifneq ($(wildcard $(random_dep)),)
+ obj-$(CONFIG_LTTNG) += lttng-probe-random.o
+endif
-obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
- echo "lttng-probe-rcu.o" ; fi;)
+obj-$(CONFIG_LTTNG) += lttng-probe-rcu.o
ifneq ($(CONFIG_REGMAP),)
- regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
- ifneq ($(wildcard $(regmap_dep_4_1)),)
+ regmap_dep = $(srctree)/drivers/base/regmap/trace.h
+ ifneq ($(wildcard $(regmap_dep)),)
obj-$(CONFIG_LTTNG) += 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 # $(wildcard $(regmap_dep_4_1)),
+ $(warning File $(regmap_dep) not found. Probe "regmap" is disabled. Use full kernel source tree to enable it.)
+ endif # $(wildcard $(regmap_dep)),
endif # CONFIG_REGMAP
ifneq ($(CONFIG_PM_RUNTIME),)
- obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
- echo "lttng-probe-rpm.o" ; fi;)
+ obj-$(CONFIG_LTTNG) += lttng-probe-rpm.o
endif # CONFIG_PM_RUNTIME
ifneq ($(CONFIG_SUNRPC),)
- obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
- echo "lttng-probe-sunrpc.o" ; fi;)
+ obj-$(CONFIG_LTTNG) += lttng-probe-sunrpc.o
endif # CONFIG_SUNRPC
ifneq ($(CONFIG_VIDEO_V4L2),)
- obj-$(CONFIG_LTTNG) += $(shell \
- if [ $(VERSION) -ge 4 \
- -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
- echo "lttng-probe-v4l2.o" ; fi;)
+ obj-$(CONFIG_LTTNG) += lttng-probe-v4l2.o
endif # CONFIG_VIDEO_V4L2
obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o