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