Fix: allow LTTng to be built within kernel tree
[lttng-modules.git] / probes / Makefile
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1#
2# Makefile for the LTT probes.
df4b4094 3# Only build from the package top-level directory. Never use with make directly.
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4
5ifneq ($(KERNELRELEASE),)
6ifneq ($(CONFIG_TRACEPOINTS),)
7
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8KERNELDIR = ${LTTNG_KERNELDIR}
9MAKEFILEDIR = $(shell dirname $(lastword $(MAKEFILE_LIST)))
72e6c528 10
b37d476e 11include $(MAKEFILEDIR)/../Makefile.ABI.workarounds
72e6c528 12
6d61b34d 13ccflags-y += -I$(PWD)/probes
40652b65 14obj-m += lttng-types.o
6d61b34d 15
6db3d13b 16obj-m += lttng-probe-sched.o
0d1d4002 17obj-m += lttng-probe-irq.o
e54456f5 18obj-m += lttng-probe-timer.o
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19obj-m += lttng-probe-kmem.o
20obj-m += lttng-probe-module.o
21obj-m += lttng-probe-power.o
8c468a9b 22
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23obj-m += lttng-probe-statedump.o
24
056f5922 25ifneq ($(CONFIG_KVM),)
0862130a 26obj-m += lttng-probe-kvm.o
b3c40230 27ifneq ($(CONFIG_X86),)
1de8b2e4 28kvm_dep = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
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29ifneq ($(wildcard $(kvm_dep)),)
30CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
31CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
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32obj-m += $(shell \
33 if [ $(VERSION) -ge 3 \
34 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
35 echo "lttng-probe-kvm-x86.o" ; fi;)
36obj-m += $(shell \
37 if [ $(VERSION) -ge 3 \
38 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
39 echo "lttng-probe-kvm-x86-mmu.o" ; fi;)
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40else
41$(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
b3c40230 42endif
b3c40230 43endif
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44endif
45
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46obj-m += $(shell \
47 if [ $(VERSION) -ge 3 \
7c68b363 48 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
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49 echo "lttng-probe-signal.o" ; fi;)
50
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51ifneq ($(CONFIG_BLOCK),)
52ifneq ($(CONFIG_EVENT_TRACING),) # need blk_cmd_buf_len
7c68b363 53obj-m += lttng-probe-block.o
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54endif
55endif
56
b283666f 57ifneq ($(CONFIG_NET),)
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58obj-m += lttng-probe-napi.o
59obj-m += lttng-probe-skb.o
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60obj-m += $(shell \
61 if [ $(VERSION) -ge 3 \
62 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
63 echo "lttng-probe-net.o" ; fi;)
b283666f 64obj-m += $(shell \
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65 if [ $(VERSION) -ge 4 \
66 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
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67 echo "lttng-probe-sock.o" ; fi;)
68obj-m += $(shell \
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69 if [ $(VERSION) -ge 4 \
70 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
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71 echo "lttng-probe-udp.o" ; fi;)
72endif
73
74ifneq ($(CONFIG_SND_SOC),)
75obj-m += $(shell \
76 if [ $(VERSION) -ge 3 \
77 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
78 echo "lttng-probe-asoc.o" ; fi;)
79endif
80
81ifneq ($(CONFIG_EXT3_FS),)
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82ext3_dep = $(srctree)/fs/ext3/*.h
83ext3_dep_check = $(wildcard $(ext3_dep))
84ext3 = $(shell \
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85 if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
86 if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \
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87 -z "$(ext3_dep_check)" ] ; then \
88 echo "warn" ; \
89 exit ; \
90 fi; \
91 echo "lttng-probe-ext3.o" ; \
92 fi;)
93ifeq ($(ext3),warn)
94$(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
95ext3 =
96endif
97obj-m += $(ext3)
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98endif
99
100ifneq ($(CONFIG_GPIOLIB),)
101obj-m += $(shell \
102 if [ $(VERSION) -ge 3 ] ; then \
103 echo "lttng-probe-gpio.o" ; fi;)
104endif
105
106ifneq ($(CONFIG_JBD2),)
107obj-m += lttng-probe-jbd2.o
108endif
109
110ifneq ($(CONFIG_JBD),)
111obj-m += $(shell \
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112 if [ $(VERSION) -ge 4 \
113 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
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114 echo "lttng-probe-jbd.o" ; fi;)
115endif
116
117ifneq ($(CONFIG_REGULATOR),)
118obj-m += $(shell \
119 if [ $(VERSION) -ge 3 \
120 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
121 echo "lttng-probe-regulator.o" ; fi;)
122endif
123
124ifneq ($(CONFIG_SCSI),)
125obj-m += $(shell \
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126 if [ $(VERSION) -ge 3 \
127 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
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128 echo "lttng-probe-scsi.o" ; fi;)
129endif
130
131vmscan = $(shell \
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132 if [ $(VERSION) -ge 3 \
133 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
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134 echo "lttng-probe-vmscan.o" ; fi;)
135ifneq ($(CONFIG_SWAP),)
136 obj-m += $(vmscan)
137else
138ifneq ($(CONFIG_CGROUP_MEM_RES_CTLR),)
139 obj-m += $(vmscan)
140endif
141endif
142
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143# lock probe does not work, so disabling it for now
144#ifneq ($(CONFIG_LOCKDEP),)
145#obj-m += lttng-probe-lock.o
146#endif
147
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148ifneq ($(CONFIG_BTRFS_FS),)
149btrfs_dep = $(srctree)/fs/btrfs/*.h
150btrfs = $(shell \
151 if [ $(VERSION) -ge 3 \
152 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 39 \) ] ; then \
153 echo "lttng-probe-btrfs.o" ; fi;)
154ifneq ($(btrfs),)
155ifeq ($(wildcard $(btrfs_dep)),)
156$(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
157btrfs =
158endif
159endif
160obj-m += $(btrfs)
161endif
162
163obj-m += $(shell \
164 if [ $(VERSION) -ge 3 \
165 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
166 echo "lttng-probe-compaction.o" ; fi;)
167
168ifneq ($(CONFIG_EXT4_FS),)
169ext4_dep = $(srctree)/fs/ext4/*.h
170ext4 = lttng-probe-ext4.o
171ifeq ($(wildcard $(ext4_dep)),)
172$(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
173ext4 =
174endif
175obj-m += $(ext4)
176endif
177
178obj-m += $(shell \
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179 if [ $(VERSION) -ge 4 \
180 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
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181 echo "lttng-probe-printk.o" ; fi;)
182ifneq ($(CONFIG_FRAME_WARN),0)
183CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
184endif
185
186obj-m += $(shell \
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187 if [ $(VERSION) -ge 4 \
188 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
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189 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
190 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
191 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
192 echo "lttng-probe-random.o" ; fi;)
193
194obj-m += $(shell \
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195 if [ $(VERSION) -ge 4 \
196 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
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197 echo "lttng-probe-rcu.o" ; fi;)
198
199ifneq ($(CONFIG_REGMAP),)
2f2b673a 200regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
2f2b673a 201ifneq ($(wildcard $(regmap_dep_4_1)),)
89a073a2 202obj-m += lttng-probe-regmap.o
17f1865d 203else
89a073a2 204$(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
17f1865d 205endif
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206endif
207
208ifneq ($(CONFIG_PM_RUNTIME),)
209obj-m += $(shell \
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210 if [ $(VERSION) -ge 4 \
211 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
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212 echo "lttng-probe-rpm.o" ; fi;)
213endif
214
215ifneq ($(CONFIG_SUNRPC),)
216obj-m += $(shell \
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217 if [ $(VERSION) -ge 4 \
218 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
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219 echo "lttng-probe-sunrpc.o" ; fi;)
220endif
221
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222ifneq ($(CONFIG_VIDEO_V4L2),)
223obj-m += $(shell \
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224 if [ $(VERSION) -ge 4 \
225 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
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226 echo "lttng-probe-v4l2.o" ; fi;)
227endif
228
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229obj-m += lttng-probe-workqueue.o
230
42d9070d 231ifneq ($(CONFIG_KALLSYMS_ALL),)
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232obj-m += $(shell \
233 if [ $(VERSION) -ge 3 \
234 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
235 echo "lttng-probe-writeback.o" ; fi;)
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236else
237$(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
42d9070d 238endif
b87700e3 239
b283666f 240
acd614cc 241ifneq ($(CONFIG_KPROBES),)
d6d808f3 242obj-m += lttng-kprobes.o
acd614cc 243endif
d6d808f3 244
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245
246ifneq ($(CONFIG_KRETPROBES),)
247obj-m += lttng-kretprobes.o
248endif
249
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250ifneq ($(CONFIG_DYNAMIC_FTRACE),)
251obj-m += lttng-ftrace.o
252endif
253
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254endif
255
256else
257 KERNELDIR ?= /lib/modules/$(shell uname -r)/build
258 PWD := $(shell pwd)
259 CFLAGS = $(EXTCFLAGS)
260
261default:
262 $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
263
264modules_install:
265 $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
266 /sbin/depmod -a
267
268clean:
269 $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
270
271endif
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