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