probes/Makefile

   1 #
   2 # Makefile for the LTT probes.
   3 # Only build from the package top-level directory. Never use with make directly.
   4
   5 ifneq ($(KERNELRELEASE),)
   6 ifneq ($(CONFIG_TRACEPOINTS),)
   7
   8 KERNELDIR = ${LTTNG_KERNELDIR}
   9 MAKEFILEDIR = $(shell dirname $(lastword $(MAKEFILE_LIST)))
  10
  11 include $(MAKEFILEDIR)/../Makefile.ABI.workarounds
  12
  13 ccflags-y += -I$(PWD)/probes
  14 obj-$(CONFIG_LTTNG) += lttng-types.o
  15
  16 obj-$(CONFIG_LTTNG) += lttng-probe-sched.o
  17 obj-$(CONFIG_LTTNG) += lttng-probe-irq.o
  18 obj-$(CONFIG_LTTNG) += lttng-probe-timer.o
  19 obj-$(CONFIG_LTTNG) += lttng-probe-kmem.o
  20 obj-$(CONFIG_LTTNG) += lttng-probe-module.o
  21 obj-$(CONFIG_LTTNG) += lttng-probe-power.o
  22
  23 obj-$(CONFIG_LTTNG) += lttng-probe-statedump.o
  24
  25 ifneq ($(CONFIG_KVM),)
  26 obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o
  27 ifneq ($(CONFIG_X86),)
  28 kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
  29 ifneq ($(wildcard $(kvm_dep_lapic)),)
  30 kvm_dep = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
  31 ifneq ($(wildcard $(kvm_dep)),)
  32 CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
  33 CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
  34 obj-$(CONFIG_LTTNG) +=  $(shell \
  35         if [ $(VERSION) -ge 3 \
  36                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  37                 echo "lttng-probe-kvm-x86.o" ; fi;)
  38 obj-$(CONFIG_LTTNG) +=  $(shell \
  39         if [ $(VERSION) -ge 3 \
  40                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  41                 echo "lttng-probe-kvm-x86-mmu.o" ; fi;)
  42 else
  43 $(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  44 endif
  45 else
  46 $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  47 endif
  48 endif
  49 endif
  50
  51 ifneq ($(CONFIG_X86),)
  52
  53 x86_irq_vectors_dep = $(srctree)/arch/x86/include/asm/trace/irq_vectors.h
  54 ifneq ($(wildcard $(x86_irq_vectors_dep)),)
  55 obj-$(CONFIG_LTTNG) += lttng-probe-x86-irq-vectors.o
  56 endif
  57
  58 x86_exceptions_dep = $(srctree)/arch/x86/include/asm/trace/exceptions.h
  59 ifneq ($(wildcard $(x86_exceptions_dep)),)
  60 obj-$(CONFIG_LTTNG) += lttng-probe-x86-exceptions.o
  61 endif
  62
  63 endif
  64
  65 obj-$(CONFIG_LTTNG) +=  $(shell \
  66         if [ $(VERSION) -ge 3 \
  67                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
  68                 echo "lttng-probe-signal.o" ; fi;)
  69
  70 ifneq ($(CONFIG_BLOCK),)
  71 ifneq ($(CONFIG_EVENT_TRACING),)        # need blk_cmd_buf_len
  72 obj-$(CONFIG_LTTNG) += lttng-probe-block.o
  73 endif
  74 endif
  75
  76 ifneq ($(CONFIG_NET),)
  77 obj-$(CONFIG_LTTNG) += lttng-probe-napi.o
  78 obj-$(CONFIG_LTTNG) += lttng-probe-skb.o
  79 obj-$(CONFIG_LTTNG) +=  $(shell \
  80         if [ $(VERSION) -ge 3 \
  81                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
  82                 echo "lttng-probe-net.o" ; fi;)
  83 obj-$(CONFIG_LTTNG) +=  $(shell \
  84         if [ $(VERSION) -ge 4 \
  85                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  86                 echo "lttng-probe-sock.o" ; fi;)
  87 obj-$(CONFIG_LTTNG) +=  $(shell \
  88         if [ $(VERSION) -ge 4 \
  89                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  90                 echo "lttng-probe-udp.o" ; fi;)
  91 endif
  92
  93 ifneq ($(CONFIG_SND_SOC),)
  94 obj-$(CONFIG_LTTNG) +=  $(shell \
  95         if [ $(VERSION) -ge 3 \
  96                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  97                 echo "lttng-probe-asoc.o" ; fi;)
  98 endif
  99
 100 ifneq ($(CONFIG_EXT3_FS),)
 101 ext3_dep = $(srctree)/fs/ext3/*.h
 102 ext3_dep_check = $(wildcard $(ext3_dep))
 103 ext3 = $(shell \
 104         if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
 105                 if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \
 106                         -z "$(ext3_dep_check)" ] ; then \
 107                         echo "warn" ; \
 108                         exit ; \
 109                 fi; \
 110                 echo "lttng-probe-ext3.o" ; \
 111         fi;)
 112 ifeq ($(ext3),warn)
 113 $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
 114 ext3 =
 115 endif
 116 obj-$(CONFIG_LTTNG) += $(ext3)
 117 endif
 118
 119 ifneq ($(CONFIG_GPIOLIB),)
 120 obj-$(CONFIG_LTTNG) +=  $(shell \
 121         if [ $(VERSION) -ge 3 ] ; then \
 122                 echo "lttng-probe-gpio.o" ; fi;)
 123 endif
 124
 125 ifneq ($(CONFIG_JBD2),)
 126 obj-$(CONFIG_LTTNG) += lttng-probe-jbd2.o
 127 endif
 128
 129 ifneq ($(CONFIG_JBD),)
 130 obj-$(CONFIG_LTTNG) +=  $(shell \
 131         if [ $(VERSION) -ge 4 \
 132                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
 133                 echo "lttng-probe-jbd.o" ; fi;)
 134 endif
 135
 136 ifneq ($(CONFIG_REGULATOR),)
 137 obj-$(CONFIG_LTTNG) +=  $(shell \
 138         if [ $(VERSION) -ge 3 \
 139                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 140                 echo "lttng-probe-regulator.o" ; fi;)
 141 endif
 142
 143 ifneq ($(CONFIG_SCSI),)
 144 obj-$(CONFIG_LTTNG) +=  $(shell \
 145         if [ $(VERSION) -ge 3 \
 146                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
 147                 echo "lttng-probe-scsi.o" ; fi;)
 148 endif
 149
 150 vmscan = $(shell \
 151         if [ $(VERSION) -ge 3 \
 152                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 153                 echo "lttng-probe-vmscan.o" ; fi;)
 154 ifneq ($(CONFIG_SWAP),)
 155         obj-$(CONFIG_LTTNG) += $(vmscan)
 156 else
 157 ifneq ($(CONFIG_CGROUP_MEM_RES_CTLR),)
 158         obj-$(CONFIG_LTTNG) += $(vmscan)
 159 endif
 160 endif
 161
 162 # lock probe does not work, so disabling it for now
 163 #ifneq ($(CONFIG_LOCKDEP),)
 164 #obj-$(CONFIG_LTTNG) += lttng-probe-lock.o
 165 #endif
 166
 167 ifneq ($(CONFIG_BTRFS_FS),)
 168 btrfs_dep = $(srctree)/fs/btrfs/*.h
 169 btrfs = $(shell \
 170         if [ $(VERSION) -ge 3 \
 171                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 39 \) ] ; then \
 172                 echo "lttng-probe-btrfs.o" ; fi;)
 173 ifneq ($(btrfs),)
 174 ifeq ($(wildcard $(btrfs_dep)),)
 175 $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
 176 btrfs =
 177 endif
 178 endif
 179 obj-$(CONFIG_LTTNG) += $(btrfs)
 180 endif
 181
 182 obj-$(CONFIG_LTTNG) +=  $(shell \
 183         if [ $(VERSION) -ge 3 \
 184                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; 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 $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
 192 ext4 =
 193 endif
 194 obj-$(CONFIG_LTTNG) += $(ext4)
 195 endif
 196
 197 obj-$(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 ifneq ($(CONFIG_FRAME_WARN),0)
 202 CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 203 endif
 204
 205 obj-$(CONFIG_LTTNG) +=  $(shell \
 206         if [ $(VERSION) -ge 4 \
 207                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
 208                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
 209                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
 210                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
 211                 echo "lttng-probe-random.o" ; fi;)
 212
 213 obj-$(CONFIG_LTTNG) +=  $(shell \
 214         if [ $(VERSION) -ge 4 \
 215                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 216                 echo "lttng-probe-rcu.o" ; fi;)
 217
 218 ifneq ($(CONFIG_REGMAP),)
 219 regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
 220 ifneq ($(wildcard $(regmap_dep_4_1)),)
 221 obj-$(CONFIG_LTTNG) += lttng-probe-regmap.o
 222 else
 223 $(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
 224 endif
 225 endif
 226
 227 ifneq ($(CONFIG_PM_RUNTIME),)
 228 obj-$(CONFIG_LTTNG) +=  $(shell \
 229         if [ $(VERSION) -ge 4 \
 230                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 231                 echo "lttng-probe-rpm.o" ; fi;)
 232 endif
 233
 234 ifneq ($(CONFIG_SUNRPC),)
 235 obj-$(CONFIG_LTTNG) +=  $(shell \
 236         if [ $(VERSION) -ge 4 \
 237                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 238                 echo "lttng-probe-sunrpc.o" ; fi;)
 239 endif
 240
 241 ifneq ($(CONFIG_VIDEO_V4L2),)
 242 obj-$(CONFIG_LTTNG) += $(shell \
 243         if [ $(VERSION) -ge 4 \
 244                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
 245                 echo "lttng-probe-v4l2.o" ; fi;)
 246 endif
 247
 248 obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o
 249
 250 ifneq ($(CONFIG_KALLSYMS_ALL),)
 251 obj-$(CONFIG_LTTNG) +=  $(shell \
 252         if [ $(VERSION) -ge 3 \
 253                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 254                 echo "lttng-probe-writeback.o" ; fi;)
 255 else
 256 $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 257 endif
 258
 259
 260 ifneq ($(CONFIG_KPROBES),)
 261 obj-$(CONFIG_LTTNG) += lttng-kprobes.o
 262 endif
 263
 264
 265 ifneq ($(CONFIG_KRETPROBES),)
 266 obj-$(CONFIG_LTTNG) += lttng-kretprobes.o
 267 endif
 268
 269 ifneq ($(CONFIG_DYNAMIC_FTRACE),)
 270 obj-$(CONFIG_LTTNG) += lttng-ftrace.o
 271 endif
 272
 273 endif
 274
 275 obj-$(CONFIG_LTTNG) += lttng-test.o
 276
 277 else
 278         KERNELDIR ?= /lib/modules/$(shell uname -r)/build
 279         PWD := $(shell pwd)
 280         CFLAGS = $(EXTCFLAGS)
 281
 282 default:
 283         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
 284
 285 modules_install:
 286         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
 287         /sbin/depmod -a
 288
 289 clean:
 290         $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
 291
 292 endif