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