| 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) += lttng-probe-9p.o |
| 36 | endif # CONFIG_NET_9P |
| 37 | |
| 38 | i2c_dep = $(srctree)/include/trace/events/i2c.h |
| 39 | ifneq ($(wildcard $(i2c_dep)),) |
| 40 | obj-$(CONFIG_LTTNG) += lttng-probe-i2c.o |
| 41 | endif |
| 42 | |
| 43 | ifneq ($(CONFIG_KVM),) |
| 44 | obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o |
| 45 | ifneq ($(CONFIG_X86),) |
| 46 | ifneq ($(CONFIG_KALLSYMS_ALL),) |
| 47 | kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h |
| 48 | kvm_dep_lapic_check = $(wildcard $(kvm_dep_lapic)) |
| 49 | ifneq ($(kvm_dep_lapic_check),) |
| 50 | kvm_dep_iodev = $(srctree)/include/kvm/iodev.h |
| 51 | kvm_dep_iodev_check = $(wildcard $(kvm_dep_iodev)) |
| 52 | ifneq ($(kvm_dep_iodev_check),) |
| 53 | kvm_dep_emulate = $(srctree)/arch/x86/kvm/kvm_emulate.h |
| 54 | kvm_dep_emulate_wildcard = $(wildcard $(kvm_dep_emulate)) |
| 55 | kvm_dep_emulate_check = $(shell \ |
| 56 | if [ \( $(VERSION) -ge 6 \ |
| 57 | -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -eq 7 \) \) -a \ |
| 58 | -z "$(kvm_dep_emulate_wildcard)" ] ; then \ |
| 59 | echo "warn" ; \ |
| 60 | else \ |
| 61 | echo "ok" ; \ |
| 62 | fi ;) |
| 63 | ifeq ($(kvm_dep_emulate_check),ok) |
| 64 | CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm \ |
| 65 | -I$(srctree)/arch/x86/kvm |
| 66 | CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm \ |
| 67 | -I$(srctree)/arch/x86/kvm |
| 68 | obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o |
| 69 | obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o |
| 70 | else # ($(kvm_dep_emulate_check),ok) |
| 71 | $(warning File $(kvm_dep_emulate) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.) |
| 72 | endif # ($(kvm_dep_emulate_check),ok) |
| 73 | else # $(kvm_dep_iodev_check) |
| 74 | $(warning File $(kvm_dep_iodev) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.) |
| 75 | endif # $(kvm_dep_iodev_check) |
| 76 | else # $(kvm_dep_lapic_check) |
| 77 | $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.) |
| 78 | endif # $(kvm_dep_lapic_check) |
| 79 | else |
| 80 | $(warning CONFIG_KALLSYMS_ALL is disabled. Probe "kvm" x86-specific is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.) |
| 81 | endif # CONFIG_KALLSYMS_ALL |
| 82 | endif # CONFIG_X86 |
| 83 | endif # CONFIG_KVM |
| 84 | |
| 85 | ifneq ($(CONFIG_X86),) |
| 86 | x86_irq_vectors_dep = $(srctree)/arch/x86/include/asm/trace/irq_vectors.h |
| 87 | |
| 88 | ifneq ($(wildcard $(x86_irq_vectors_dep)),) |
| 89 | obj-$(CONFIG_LTTNG) += lttng-probe-x86-irq-vectors.o |
| 90 | endif # $(wildcard $(x86_irq_vectors_dep)) |
| 91 | |
| 92 | x86_exceptions_dep = $(srctree)/arch/x86/include/asm/trace/exceptions.h |
| 93 | |
| 94 | ifneq ($(wildcard $(x86_exceptions_dep)),) |
| 95 | obj-$(CONFIG_LTTNG) += lttng-probe-x86-exceptions.o |
| 96 | endif # $(wildcard $(x86_exceptions_dep)) |
| 97 | endif # CONFIG_X86 |
| 98 | |
| 99 | obj-$(CONFIG_LTTNG) += lttng-probe-signal.o |
| 100 | |
| 101 | ifneq ($(CONFIG_DMA_SHARED_BUFFER),) |
| 102 | obj-$(CONFIG_LTTNG) += $(shell \ |
| 103 | if [ $(VERSION) -ge 5 \ |
| 104 | -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -ge 10 \) ] ; then \ |
| 105 | echo "lttng-probe-dma-fence.o" ; fi;) |
| 106 | endif # CONFIG_DMA_SHARED_BUFFER |
| 107 | |
| 108 | ifneq ($(CONFIG_BLOCK),) |
| 109 | # need blk_cmd_buf_len |
| 110 | ifneq ($(CONFIG_EVENT_TRACING),) |
| 111 | obj-$(CONFIG_LTTNG) += lttng-probe-block.o |
| 112 | endif # CONFIG_EVENT_TRACING |
| 113 | endif # CONFIG_BLOCK |
| 114 | |
| 115 | ifneq ($(CONFIG_NET),) |
| 116 | obj-$(CONFIG_LTTNG) += lttng-probe-napi.o |
| 117 | obj-$(CONFIG_LTTNG) += lttng-probe-skb.o |
| 118 | obj-$(CONFIG_LTTNG) += lttng-probe-net.o |
| 119 | obj-$(CONFIG_LTTNG) += lttng-probe-sock.o |
| 120 | obj-$(CONFIG_LTTNG) += lttng-probe-udp.o |
| 121 | endif # CONFIG_NET |
| 122 | |
| 123 | ifneq ($(CONFIG_SND_SOC),) |
| 124 | obj-$(CONFIG_LTTNG) += lttng-probe-asoc.o |
| 125 | endif # CONFIG_SND_SOC |
| 126 | |
| 127 | ifneq ($(CONFIG_GPIOLIB),) |
| 128 | obj-$(CONFIG_LTTNG) += lttng-probe-gpio.o |
| 129 | endif # CONFIG_GPIOLIB |
| 130 | |
| 131 | ifneq ($(CONFIG_JBD2),) |
| 132 | obj-$(CONFIG_LTTNG) += lttng-probe-jbd2.o |
| 133 | endif # CONFIG_JBD2 |
| 134 | |
| 135 | ifneq ($(CONFIG_JBD),) |
| 136 | obj-$(CONFIG_LTTNG) += lttng-probe-jbd.o |
| 137 | endif # CONFIG_JBD |
| 138 | |
| 139 | ifneq ($(CONFIG_REGULATOR),) |
| 140 | obj-$(CONFIG_LTTNG) += lttng-probe-regulator.o |
| 141 | endif # CONFIG_REGULATOR |
| 142 | |
| 143 | ifneq ($(CONFIG_SCSI),) |
| 144 | obj-$(CONFIG_LTTNG) += lttng-probe-scsi.o |
| 145 | endif # CONFIG_SCSI |
| 146 | |
| 147 | obj-$(CONFIG_LTTNG) += lttng-probe-vmscan.o |
| 148 | |
| 149 | # lock probe does not work, so disabling it for now |
| 150 | #ifneq ($(CONFIG_LOCKDEP),) |
| 151 | # obj-$(CONFIG_LTTNG) += lttng-probe-lock.o |
| 152 | #endif # CONFIG_LOCKDEP |
| 153 | |
| 154 | ifneq ($(CONFIG_BTRFS_FS),) |
| 155 | btrfs_dep = $(srctree)/fs/btrfs/*.h |
| 156 | ifneq ($(wildcard $(btrfs_dep)),) |
| 157 | obj-$(CONFIG_LTTNG) += lttng-probe-btrfs.o |
| 158 | else |
| 159 | $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.) |
| 160 | endif # $(wildcard $(btrfs_dep)) |
| 161 | endif # CONFIG_BTRFS_FS |
| 162 | |
| 163 | ifneq ($(CONFIG_COMPACTION),) |
| 164 | # A dependency on internal header 'mm/internal.h' was introduced in v5.18 |
| 165 | compaction_dep = $(srctree)/mm/internal.h |
| 166 | compaction_dep_wildcard = $(wildcard $(compaction_dep)) |
| 167 | compaction_dep_check = $(shell \ |
| 168 | if [ \( $(VERSION) -ge 6 \ |
| 169 | -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -ge 18 \) \) -a \ |
| 170 | -z "$(compaction_dep_wildcard)" ] ; then \ |
| 171 | echo "warn" ; \ |
| 172 | else \ |
| 173 | echo "ok" ; \ |
| 174 | fi ;) |
| 175 | ifeq ($(compaction_dep_check),ok) |
| 176 | obj-$(CONFIG_LTTNG) += lttng-probe-compaction.o |
| 177 | else |
| 178 | $(warning Files $(compaction_dep) not found. Probe "compaction" is disabled. Use full kernel source tree to enable it.) |
| 179 | endif # $(wildcard $(compaction_dep)) |
| 180 | endif # CONFIG_COMPACTION |
| 181 | |
| 182 | ifneq ($(CONFIG_EXT4_FS),) |
| 183 | ext4_dep = $(srctree)/fs/ext4/*.h |
| 184 | ifneq ($(wildcard $(ext4_dep)),) |
| 185 | obj-$(CONFIG_LTTNG) += lttng-probe-ext4.o |
| 186 | else |
| 187 | $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.) |
| 188 | endif # $(wildcard $(ext4_dep)) |
| 189 | endif # CONFIG_EXT4_FS |
| 190 | |
| 191 | obj-$(CONFIG_LTTNG) += lttng-probe-printk.o |
| 192 | |
| 193 | ifneq ($(CONFIG_FRAME_WARN),0) |
| 194 | CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200 |
| 195 | endif |
| 196 | |
| 197 | # Introduced in v3.6, remove in v5.18 |
| 198 | random_dep = $(srctree)/include/trace/events/random.h |
| 199 | ifneq ($(wildcard $(random_dep)),) |
| 200 | obj-$(CONFIG_LTTNG) += lttng-probe-random.o |
| 201 | endif |
| 202 | |
| 203 | obj-$(CONFIG_LTTNG) += lttng-probe-rcu.o |
| 204 | |
| 205 | ifneq ($(CONFIG_REGMAP),) |
| 206 | regmap_dep = $(srctree)/drivers/base/regmap/trace.h |
| 207 | ifneq ($(wildcard $(regmap_dep)),) |
| 208 | obj-$(CONFIG_LTTNG) += lttng-probe-regmap.o |
| 209 | else |
| 210 | $(warning File $(regmap_dep) not found. Probe "regmap" is disabled. Use full kernel source tree to enable it.) |
| 211 | endif # $(wildcard $(regmap_dep)), |
| 212 | endif # CONFIG_REGMAP |
| 213 | |
| 214 | ifneq ($(CONFIG_PM_RUNTIME),) |
| 215 | obj-$(CONFIG_LTTNG) += lttng-probe-rpm.o |
| 216 | endif # CONFIG_PM_RUNTIME |
| 217 | |
| 218 | ifneq ($(CONFIG_SUNRPC),) |
| 219 | obj-$(CONFIG_LTTNG) += lttng-probe-sunrpc.o |
| 220 | endif # CONFIG_SUNRPC |
| 221 | |
| 222 | ifneq ($(CONFIG_VIDEO_V4L2),) |
| 223 | obj-$(CONFIG_LTTNG) += lttng-probe-v4l2.o |
| 224 | endif # CONFIG_VIDEO_V4L2 |
| 225 | |
| 226 | obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o |
| 227 | |
| 228 | ifneq ($(CONFIG_KALLSYMS_ALL),) |
| 229 | obj-$(CONFIG_LTTNG) += lttng-probe-writeback.o |
| 230 | else |
| 231 | ifdef CONFIG_LOCALVERSION # Check if dot-config is included. |
| 232 | $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.) |
| 233 | endif |
| 234 | endif # CONFIG_KALLSYMS_ALL |
| 235 | |
| 236 | ifneq ($(CONFIG_KPROBES),) |
| 237 | obj-$(CONFIG_LTTNG) += lttng-kprobes.o |
| 238 | endif # CONFIG_KPROBES |
| 239 | |
| 240 | ifneq ($(CONFIG_UPROBES),) |
| 241 | obj-$(CONFIG_LTTNG) += lttng-uprobes.o |
| 242 | endif # CONFIG_UPROBES |
| 243 | |
| 244 | ifneq ($(CONFIG_KRETPROBES),) |
| 245 | obj-$(CONFIG_LTTNG) += lttng-kretprobes.o |
| 246 | endif # CONFIG_KRETPROBES |
| 247 | |
| 248 | ifneq ($(CONFIG_PREEMPTIRQ_EVENTS),) |
| 249 | obj-$(CONFIG_LTTNG) += lttng-probe-preemptirq.o |
| 250 | endif # CONFIG_PREEMPTIRQ_EVENTS |
| 251 | |
| 252 | # vim:syntax=make |