1 # SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
3 TOP_LTTNG_MODULES_DIR := $(shell dirname $(lastword $(MAKEFILE_LIST)))/..
5 include $(TOP_LTTNG_MODULES_DIR)/Kbuild.common
7 ccflags-y += -I$(TOP_LTTNG_MODULES_DIR)
9 obj-$(CONFIG_LTTNG) += lttng-probe-sched.o
10 obj-$(CONFIG_LTTNG) += lttng-probe-irq.o
11 obj-$(CONFIG_LTTNG) += lttng-probe-timer.o
12 obj-$(CONFIG_LTTNG) += lttng-probe-kmem.o
13 obj-$(CONFIG_LTTNG) += lttng-probe-module.o
14 obj-$(CONFIG_LTTNG) += lttng-probe-power.o
15 obj-$(CONFIG_LTTNG) += lttng-probe-statedump.o
17 ifneq ($(CONFIG_NET_9P),)
18 obj-$(CONFIG_LTTNG) += $(shell \
19 if [ $(VERSION) -ge 4 \
20 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 10 \) ] ; then \
21 echo "lttng-probe-9p.o" ; fi;)
24 i2c_dep = $(srctree)/include/trace/events/i2c.h
25 ifneq ($(wildcard $(i2c_dep)),)
26 obj-$(CONFIG_LTTNG) += lttng-probe-i2c.o
29 ifneq ($(CONFIG_KVM),)
30 obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o
31 ifneq ($(CONFIG_X86),)
32 kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
33 ifneq ($(wildcard $(kvm_dep_lapic)),)
34 kvm_dep = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
35 ifneq ($(wildcard $(kvm_dep)),)
36 CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
37 CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
38 obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o
39 obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o
41 $(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
42 endif # $(wildcard $(kvm_dep))
44 $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
45 endif # $(wildcard $(kvm_dep_lapic))
49 ifneq ($(CONFIG_X86),)
50 x86_irq_vectors_dep = $(srctree)/arch/x86/include/asm/trace/irq_vectors.h
52 ifneq ($(wildcard $(x86_irq_vectors_dep)),)
53 obj-$(CONFIG_LTTNG) += lttng-probe-x86-irq-vectors.o
54 endif # $(wildcard $(x86_irq_vectors_dep))
56 x86_exceptions_dep = $(srctree)/arch/x86/include/asm/trace/exceptions.h
58 ifneq ($(wildcard $(x86_exceptions_dep)),)
59 obj-$(CONFIG_LTTNG) += lttng-probe-x86-exceptions.o
60 endif # $(wildcard $(x86_exceptions_dep))
63 obj-$(CONFIG_LTTNG) += lttng-probe-signal.o
65 ifneq ($(CONFIG_BLOCK),)
66 # need blk_cmd_buf_len
67 ifneq ($(CONFIG_EVENT_TRACING),)
68 obj-$(CONFIG_LTTNG) += lttng-probe-block.o
69 endif # CONFIG_EVENT_TRACING
72 ifneq ($(CONFIG_NET),)
73 obj-$(CONFIG_LTTNG) += lttng-probe-napi.o
74 obj-$(CONFIG_LTTNG) += lttng-probe-skb.o
75 obj-$(CONFIG_LTTNG) += lttng-probe-net.o
76 obj-$(CONFIG_LTTNG) += $(shell \
77 if [ $(VERSION) -ge 4 \
78 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
79 echo "lttng-probe-sock.o" ; fi;)
80 obj-$(CONFIG_LTTNG) += $(shell \
81 if [ $(VERSION) -ge 4 \
82 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
83 echo "lttng-probe-udp.o" ; fi;)
86 ifneq ($(CONFIG_SND_SOC),)
87 obj-$(CONFIG_LTTNG) += lttng-probe-asoc.o
88 endif # CONFIG_SND_SOC
90 ifneq ($(CONFIG_EXT3_FS),)
91 ext3_dep = $(srctree)/fs/ext3/*.h
92 ext3_dep_check = $(wildcard $(ext3_dep))
94 if [ $(VERSION) -lt 4 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -lt 3 \) ] ; then \
95 if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
96 if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \
97 -z "$(ext3_dep_check)" ] ; then \
101 echo "lttng-probe-ext3.o" ; \
105 $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
108 obj-$(CONFIG_LTTNG) += $(ext3)
109 endif # CONFIG_EXT3_FS
111 ifneq ($(CONFIG_GPIOLIB),)
112 obj-$(CONFIG_LTTNG) += $(shell \
113 if [ $(VERSION) -ge 3 ] ; then \
114 echo "lttng-probe-gpio.o" ; fi;)
115 endif # CONFIG_GPIOLIB
117 ifneq ($(CONFIG_JBD2),)
118 obj-$(CONFIG_LTTNG) += lttng-probe-jbd2.o
121 ifneq ($(CONFIG_JBD),)
122 obj-$(CONFIG_LTTNG) += $(shell \
123 if [ $(VERSION) -ge 4 \
124 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
125 echo "lttng-probe-jbd.o" ; fi;)
128 ifneq ($(CONFIG_REGULATOR),)
129 obj-$(CONFIG_LTTNG) += lttng-probe-regulator.o
130 endif # CONFIG_REGULATOR
132 ifneq ($(CONFIG_SCSI),)
133 obj-$(CONFIG_LTTNG) += lttng-probe-scsi.o
136 obj-$(CONFIG_LTTNG) += lttng-probe-vmscan.o
138 # lock probe does not work, so disabling it for now
139 #ifneq ($(CONFIG_LOCKDEP),)
140 # obj-$(CONFIG_LTTNG) += lttng-probe-lock.o
141 #endif # CONFIG_LOCKDEP
143 ifneq ($(CONFIG_BTRFS_FS),)
144 btrfs_dep = $(srctree)/fs/btrfs/*.h
145 ifneq ($(wildcard $(btrfs_dep)),)
146 obj-$(CONFIG_LTTNG) += lttng-probe-btrfs.o
148 $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
149 endif # $(wildcard $(btrfs_dep))
150 endif # CONFIG_BTRFS_FS
152 obj-$(CONFIG_LTTNG) += lttng-probe-compaction.o
154 ifneq ($(CONFIG_EXT4_FS),)
155 ext4_dep = $(srctree)/fs/ext4/*.h
156 ifneq ($(wildcard $(ext4_dep)),)
157 obj-$(CONFIG_LTTNG) += lttng-probe-ext4.o
159 $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
160 endif # $(wildcard $(ext4_dep))
161 endif # CONFIG_EXT4_FS
163 obj-$(CONFIG_LTTNG) += $(shell \
164 if [ $(VERSION) -ge 4 \
165 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
166 echo "lttng-probe-printk.o" ; fi;)
168 ifneq ($(CONFIG_FRAME_WARN),0)
169 CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
172 obj-$(CONFIG_LTTNG) += $(shell \
173 if [ $(VERSION) -ge 4 \
174 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
175 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
176 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
177 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
178 echo "lttng-probe-random.o" ; fi;)
180 obj-$(CONFIG_LTTNG) += $(shell \
181 if [ $(VERSION) -ge 4 \
182 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
183 echo "lttng-probe-rcu.o" ; fi;)
185 ifneq ($(CONFIG_REGMAP),)
186 regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
187 ifneq ($(wildcard $(regmap_dep_4_1)),)
188 obj-$(CONFIG_LTTNG) += lttng-probe-regmap.o
190 $(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
191 endif # $(wildcard $(regmap_dep_4_1)),
192 endif # CONFIG_REGMAP
194 ifneq ($(CONFIG_PM_RUNTIME),)
195 obj-$(CONFIG_LTTNG) += $(shell \
196 if [ $(VERSION) -ge 4 \
197 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
198 echo "lttng-probe-rpm.o" ; fi;)
199 endif # CONFIG_PM_RUNTIME
201 ifneq ($(CONFIG_SUNRPC),)
202 obj-$(CONFIG_LTTNG) += $(shell \
203 if [ $(VERSION) -ge 4 \
204 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
205 echo "lttng-probe-sunrpc.o" ; fi;)
206 endif # CONFIG_SUNRPC
208 ifneq ($(CONFIG_VIDEO_V4L2),)
209 obj-$(CONFIG_LTTNG) += $(shell \
210 if [ $(VERSION) -ge 4 \
211 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
212 echo "lttng-probe-v4l2.o" ; fi;)
213 endif # CONFIG_VIDEO_V4L2
215 obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o
217 ifneq ($(CONFIG_KALLSYMS_ALL),)
218 obj-$(CONFIG_LTTNG) += lttng-probe-writeback.o
220 ifdef CONFIG_LOCALVERSION # Check if dot-config is included.
221 $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
223 endif # CONFIG_KALLSYMS_ALL
225 ifneq ($(CONFIG_KPROBES),)
226 obj-$(CONFIG_LTTNG) += lttng-kprobes.o
227 endif # CONFIG_KPROBES
229 ifneq ($(CONFIG_UPROBES),)
230 obj-$(CONFIG_LTTNG) += lttng-uprobes.o
231 endif # CONFIG_UPROBES
233 ifneq ($(CONFIG_KRETPROBES),)
234 obj-$(CONFIG_LTTNG) += lttng-kretprobes.o
235 endif # CONFIG_KRETPROBES
237 ifneq ($(CONFIG_PREEMPTIRQ_EVENTS),)
238 obj-$(CONFIG_LTTNG) += lttng-probe-preemptirq.o
239 endif # CONFIG_PREEMPTIRQ_EVENTS