probes/Kbuild

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