| 1 | # SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) |
| 2 | |
| 3 | TOP_LTTNG_MODULES_DIR := $(shell dirname $(lastword $(MAKEFILE_LIST)))/../.. |
| 4 | |
| 5 | include $(TOP_LTTNG_MODULES_DIR)/src/Kbuild.common |
| 6 | |
| 7 | ccflags-y += -I$(TOP_LTTNG_MODULES_DIR)/include |
| 8 | |
| 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 | |
| 13 | # A dependency on internal header 'mm/slab.h' was introduced in v6.0 |
| 14 | kmem_dep = $(srctree)/mm/slab.h |
| 15 | kmem_dep_wildcard = $(wildcard $(kmem_dep)) |
| 16 | kmem_dep_check = $(shell \ |
| 17 | if [ \( $(VERSION) -ge 7 \ |
| 18 | -o \( $(VERSION) -eq 6 -a $(PATCHLEVEL) -ge 0 \) \) -a \ |
| 19 | -z "$(kmem_dep_wildcard)" ] ; then \ |
| 20 | echo "warn" ; \ |
| 21 | else \ |
| 22 | echo "ok" ; \ |
| 23 | fi ;) |
| 24 | ifeq ($(kmem_dep_check),ok) |
| 25 | obj-$(CONFIG_LTTNG) += lttng-probe-kmem.o |
| 26 | else |
| 27 | $(warning File $(kmem_dep) not found. Probe "kmem" is disabled. Use full kernel source tree to enable it.) |
| 28 | endif |
| 29 | |
| 30 | obj-$(CONFIG_LTTNG) += lttng-probe-module.o |
| 31 | obj-$(CONFIG_LTTNG) += lttng-probe-power.o |
| 32 | obj-$(CONFIG_LTTNG) += lttng-probe-statedump.o |
| 33 | |
| 34 | ifneq ($(CONFIG_NET_9P),) |
| 35 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 36 | if [ $(VERSION) -ge 4 \ |
| 37 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 10 \) ] ; then \ |
| 38 | echo "lttng-probe-9p.o" ; fi;) |
| 39 | endif # CONFIG_NET_9P |
| 40 | |
| 41 | i2c_dep = $(srctree)/include/trace/events/i2c.h |
| 42 | ifneq ($(wildcard $(i2c_dep)),) |
| 43 | obj-$(CONFIG_LTTNG) += lttng-probe-i2c.o |
| 44 | endif |
| 45 | |
| 46 | ifneq ($(CONFIG_KVM),) |
| 47 | obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o |
| 48 | ifneq ($(CONFIG_X86),) |
| 49 | kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h |
| 50 | kvm_dep_lapic_check = $(wildcard $(kvm_dep_lapic)) |
| 51 | ifneq ($(kvm_dep_lapic_check),) |
| 52 | # search for iodev.h in any of its known locations |
| 53 | kvm_dep_iodev = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h |
| 54 | kvm_dep_iodev_check = $(wildcard $(kvm_dep_iodev)) |
| 55 | ifneq ($(kvm_dep_iodev_check),) |
| 56 | kvm_dep_emulate = $(srctree)/arch/x86/kvm/kvm_emulate.h |
| 57 | kvm_dep_emulate_wildcard = $(wildcard $(kvm_dep_emulate)) |
| 58 | kvm_dep_emulate_check = $(shell \ |
| 59 | if [ \( $(VERSION) -ge 6 \ |
| 60 | -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -eq 7 \) \) -a \ |
| 61 | -z "$(kvm_dep_emulate_wildcard)" ] ; then \ |
| 62 | echo "warn" ; \ |
| 63 | else \ |
| 64 | echo "ok" ; \ |
| 65 | fi ;) |
| 66 | ifeq ($(kvm_dep_emulate_check),ok) |
| 67 | CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm \ |
| 68 | -I$(srctree)/arch/x86/kvm |
| 69 | CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm |
| 70 | obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o |
| 71 | obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o |
| 72 | else # ($(kvm_dep_emulate_check),ok) |
| 73 | $(warning File $(kvm_dep_emulate) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.) |
| 74 | endif # ($(kvm_dep_emulate_check),ok) |
| 75 | else # $(kvm_dep_iodev_check) |
| 76 | $(warning File $(kvm_dep_iodev) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.) |
| 77 | endif # $(kvm_dep_iodev_check) |
| 78 | else # $(kvm_dep_lapic_check) |
| 79 | $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.) |
| 80 | endif # $(kvm_dep_lapic_check) |
| 81 | endif # CONFIG_X86 |
| 82 | endif # CONFIG_KVM |
| 83 | |
| 84 | ifneq ($(CONFIG_X86),) |
| 85 | x86_irq_vectors_dep = $(srctree)/arch/x86/include/asm/trace/irq_vectors.h |
| 86 | |
| 87 | ifneq ($(wildcard $(x86_irq_vectors_dep)),) |
| 88 | obj-$(CONFIG_LTTNG) += lttng-probe-x86-irq-vectors.o |
| 89 | endif # $(wildcard $(x86_irq_vectors_dep)) |
| 90 | |
| 91 | x86_exceptions_dep = $(srctree)/arch/x86/include/asm/trace/exceptions.h |
| 92 | |
| 93 | ifneq ($(wildcard $(x86_exceptions_dep)),) |
| 94 | obj-$(CONFIG_LTTNG) += lttng-probe-x86-exceptions.o |
| 95 | endif # $(wildcard $(x86_exceptions_dep)) |
| 96 | endif # CONFIG_X86 |
| 97 | |
| 98 | obj-$(CONFIG_LTTNG) += lttng-probe-signal.o |
| 99 | |
| 100 | ifneq ($(CONFIG_BLOCK),) |
| 101 | # need blk_cmd_buf_len |
| 102 | ifneq ($(CONFIG_EVENT_TRACING),) |
| 103 | obj-$(CONFIG_LTTNG) += lttng-probe-block.o |
| 104 | endif # CONFIG_EVENT_TRACING |
| 105 | endif # CONFIG_BLOCK |
| 106 | |
| 107 | ifneq ($(CONFIG_NET),) |
| 108 | obj-$(CONFIG_LTTNG) += lttng-probe-napi.o |
| 109 | obj-$(CONFIG_LTTNG) += lttng-probe-skb.o |
| 110 | obj-$(CONFIG_LTTNG) += lttng-probe-net.o |
| 111 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 112 | if [ $(VERSION) -ge 4 \ |
| 113 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \ |
| 114 | echo "lttng-probe-sock.o" ; fi;) |
| 115 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 116 | if [ $(VERSION) -ge 4 \ |
| 117 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \ |
| 118 | echo "lttng-probe-udp.o" ; fi;) |
| 119 | endif # CONFIG_NET |
| 120 | |
| 121 | ifneq ($(CONFIG_SND_SOC),) |
| 122 | obj-$(CONFIG_LTTNG) += lttng-probe-asoc.o |
| 123 | endif # CONFIG_SND_SOC |
| 124 | |
| 125 | ifneq ($(CONFIG_EXT3_FS),) |
| 126 | ext3_dep = $(srctree)/fs/ext3/*.h |
| 127 | ext3_dep_check = $(wildcard $(ext3_dep)) |
| 128 | ext3 = $(shell \ |
| 129 | if [ $(VERSION) -lt 4 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -lt 3 \) ] ; then \ |
| 130 | if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \ |
| 131 | if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \ |
| 132 | -z "$(ext3_dep_check)" ] ; then \ |
| 133 | echo "warn" ; \ |
| 134 | exit ; \ |
| 135 | fi; \ |
| 136 | echo "lttng-probe-ext3.o" ; \ |
| 137 | fi; \ |
| 138 | fi;) |
| 139 | ifeq ($(ext3),warn) |
| 140 | $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.) |
| 141 | ext3 = |
| 142 | endif # $(ext3),warn |
| 143 | obj-$(CONFIG_LTTNG) += $(ext3) |
| 144 | endif # CONFIG_EXT3_FS |
| 145 | |
| 146 | ifneq ($(CONFIG_GPIOLIB),) |
| 147 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 148 | if [ $(VERSION) -ge 3 ] ; then \ |
| 149 | echo "lttng-probe-gpio.o" ; fi;) |
| 150 | endif # CONFIG_GPIOLIB |
| 151 | |
| 152 | ifneq ($(CONFIG_JBD2),) |
| 153 | obj-$(CONFIG_LTTNG) += lttng-probe-jbd2.o |
| 154 | endif # CONFIG_JBD2 |
| 155 | |
| 156 | ifneq ($(CONFIG_JBD),) |
| 157 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 158 | if [ $(VERSION) -ge 4 \ |
| 159 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \ |
| 160 | echo "lttng-probe-jbd.o" ; fi;) |
| 161 | endif # CONFIG_JBD |
| 162 | |
| 163 | ifneq ($(CONFIG_REGULATOR),) |
| 164 | obj-$(CONFIG_LTTNG) += lttng-probe-regulator.o |
| 165 | endif # CONFIG_REGULATOR |
| 166 | |
| 167 | ifneq ($(CONFIG_SCSI),) |
| 168 | obj-$(CONFIG_LTTNG) += lttng-probe-scsi.o |
| 169 | endif # CONFIG_SCSI |
| 170 | |
| 171 | obj-$(CONFIG_LTTNG) += lttng-probe-vmscan.o |
| 172 | |
| 173 | # lock probe does not work, so disabling it for now |
| 174 | #ifneq ($(CONFIG_LOCKDEP),) |
| 175 | # obj-$(CONFIG_LTTNG) += lttng-probe-lock.o |
| 176 | #endif # CONFIG_LOCKDEP |
| 177 | |
| 178 | ifneq ($(CONFIG_BTRFS_FS),) |
| 179 | btrfs_dep = $(srctree)/fs/btrfs/*.h |
| 180 | ifneq ($(wildcard $(btrfs_dep)),) |
| 181 | obj-$(CONFIG_LTTNG) += lttng-probe-btrfs.o |
| 182 | else |
| 183 | $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.) |
| 184 | endif # $(wildcard $(btrfs_dep)) |
| 185 | endif # CONFIG_BTRFS_FS |
| 186 | |
| 187 | ifneq ($(CONFIG_COMPACTION),) |
| 188 | # A dependency on internal header 'mm/internal.h' was introduced in v5.18 |
| 189 | compaction_dep = $(srctree)/mm/internal.h |
| 190 | compaction_dep_wildcard = $(wildcard $(compaction_dep)) |
| 191 | compaction_dep_check = $(shell \ |
| 192 | if [ \( $(VERSION) -ge 6 \ |
| 193 | -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -ge 18 \) \) -a \ |
| 194 | -z "$(compaction_dep_wildcard)" ] ; then \ |
| 195 | echo "warn" ; \ |
| 196 | else \ |
| 197 | echo "ok" ; \ |
| 198 | fi ;) |
| 199 | ifeq ($(compaction_dep_check),ok) |
| 200 | obj-$(CONFIG_LTTNG) += lttng-probe-compaction.o |
| 201 | else |
| 202 | $(warning Files $(compaction_dep) not found. Probe "compaction" is disabled. Use full kernel source tree to enable it.) |
| 203 | endif # $(wildcard $(compaction_dep)) |
| 204 | endif # CONFIG_COMPACTION |
| 205 | |
| 206 | ifneq ($(CONFIG_EXT4_FS),) |
| 207 | ext4_dep = $(srctree)/fs/ext4/*.h |
| 208 | ifneq ($(wildcard $(ext4_dep)),) |
| 209 | obj-$(CONFIG_LTTNG) += lttng-probe-ext4.o |
| 210 | else |
| 211 | $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.) |
| 212 | endif # $(wildcard $(ext4_dep)) |
| 213 | endif # CONFIG_EXT4_FS |
| 214 | |
| 215 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 216 | if [ $(VERSION) -ge 4 \ |
| 217 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \ |
| 218 | echo "lttng-probe-printk.o" ; fi;) |
| 219 | |
| 220 | ifneq ($(CONFIG_FRAME_WARN),0) |
| 221 | CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200 |
| 222 | endif |
| 223 | |
| 224 | # Introduced in v3.6, remove in v5.18 |
| 225 | random_dep = $(srctree)/include/trace/events/random.h |
| 226 | ifneq ($(wildcard $(random_dep)),) |
| 227 | obj-$(CONFIG_LTTNG) += lttng-probe-random.o |
| 228 | endif |
| 229 | |
| 230 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 231 | if [ $(VERSION) -ge 4 \ |
| 232 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \ |
| 233 | echo "lttng-probe-rcu.o" ; fi;) |
| 234 | |
| 235 | ifneq ($(CONFIG_REGMAP),) |
| 236 | regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h |
| 237 | ifneq ($(wildcard $(regmap_dep_4_1)),) |
| 238 | obj-$(CONFIG_LTTNG) += lttng-probe-regmap.o |
| 239 | else |
| 240 | $(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.) |
| 241 | endif # $(wildcard $(regmap_dep_4_1)), |
| 242 | endif # CONFIG_REGMAP |
| 243 | |
| 244 | ifneq ($(CONFIG_PM_RUNTIME),) |
| 245 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 246 | if [ $(VERSION) -ge 4 \ |
| 247 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \ |
| 248 | echo "lttng-probe-rpm.o" ; fi;) |
| 249 | endif # CONFIG_PM_RUNTIME |
| 250 | |
| 251 | ifneq ($(CONFIG_SUNRPC),) |
| 252 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 253 | if [ $(VERSION) -ge 4 \ |
| 254 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \ |
| 255 | echo "lttng-probe-sunrpc.o" ; fi;) |
| 256 | endif # CONFIG_SUNRPC |
| 257 | |
| 258 | ifneq ($(CONFIG_VIDEO_V4L2),) |
| 259 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 260 | if [ $(VERSION) -ge 4 \ |
| 261 | -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \ |
| 262 | echo "lttng-probe-v4l2.o" ; fi;) |
| 263 | endif # CONFIG_VIDEO_V4L2 |
| 264 | |
| 265 | obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o |
| 266 | |
| 267 | ifneq ($(CONFIG_KALLSYMS_ALL),) |
| 268 | obj-$(CONFIG_LTTNG) += lttng-probe-writeback.o |
| 269 | else |
| 270 | ifdef CONFIG_LOCALVERSION # Check if dot-config is included. |
| 271 | $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.) |
| 272 | endif |
| 273 | endif # CONFIG_KALLSYMS_ALL |
| 274 | |
| 275 | ifneq ($(CONFIG_KPROBES),) |
| 276 | obj-$(CONFIG_LTTNG) += lttng-kprobes.o |
| 277 | endif # CONFIG_KPROBES |
| 278 | |
| 279 | ifneq ($(CONFIG_UPROBES),) |
| 280 | obj-$(CONFIG_LTTNG) += lttng-uprobes.o |
| 281 | endif # CONFIG_UPROBES |
| 282 | |
| 283 | ifneq ($(CONFIG_KRETPROBES),) |
| 284 | obj-$(CONFIG_LTTNG) += lttng-kretprobes.o |
| 285 | endif # CONFIG_KRETPROBES |
| 286 | |
| 287 | ifneq ($(CONFIG_PREEMPTIRQ_EVENTS),) |
| 288 | obj-$(CONFIG_LTTNG) += lttng-probe-preemptirq.o |
| 289 | endif # CONFIG_PREEMPTIRQ_EVENTS |
| 290 | |
| 291 | # vim:syntax=make |