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-m += lttng-types.o
  15
  16 obj-m += lttng-probe-sched.o
  17 obj-m += lttng-probe-irq.o
  18 obj-m += lttng-probe-timer.o
  19 obj-m += lttng-probe-kmem.o
  20 obj-m += lttng-probe-module.o
  21 obj-m += lttng-probe-power.o
  22
  23 obj-m += lttng-probe-statedump.o
  24
  25 ifneq ($(CONFIG_KVM),)
  26 obj-m += lttng-probe-kvm.o
  27 ifneq ($(CONFIG_X86),)
  28 kvm_dep = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
  29 ifneq ($(wildcard $(kvm_dep)),)
  30 CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
  31 CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
  32 obj-m +=  $(shell \
  33         if [ $(VERSION) -ge 3 \
  34                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  35                 echo "lttng-probe-kvm-x86.o" ; fi;)
  36 obj-m +=  $(shell \
  37         if [ $(VERSION) -ge 3 \
  38                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  39                 echo "lttng-probe-kvm-x86-mmu.o" ; fi;)
  40 else
  41 $(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  42 endif
  43 endif
  44 endif
  45
  46 obj-m +=  $(shell \
  47         if [ $(VERSION) -ge 3 \
  48                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
  49                 echo "lttng-probe-signal.o" ; fi;)
  50
  51 ifneq ($(CONFIG_BLOCK),)
  52 ifneq ($(CONFIG_EVENT_TRACING),)        # need blk_cmd_buf_len
  53 obj-m += lttng-probe-block.o
  54 endif
  55 endif
  56
  57 ifneq ($(CONFIG_NET),)
  58 obj-m += lttng-probe-napi.o
  59 obj-m += lttng-probe-skb.o
  60 obj-m +=  $(shell \
  61         if [ $(VERSION) -ge 3 \
  62                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
  63                 echo "lttng-probe-net.o" ; fi;)
  64 obj-m +=  $(shell \
  65         if [ $(VERSION) -ge 4 \
  66                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  67                 echo "lttng-probe-sock.o" ; fi;)
  68 obj-m +=  $(shell \
  69         if [ $(VERSION) -ge 4 \
  70                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  71                 echo "lttng-probe-udp.o" ; fi;)
  72 endif
  73
  74 ifneq ($(CONFIG_SND_SOC),)
  75 obj-m +=  $(shell \
  76         if [ $(VERSION) -ge 3 \
  77                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  78                 echo "lttng-probe-asoc.o" ; fi;)
  79 endif
  80
  81 ifneq ($(CONFIG_EXT3_FS),)
  82 ext3_dep = $(srctree)/fs/ext3/*.h
  83 ext3_dep_check = $(wildcard $(ext3_dep))
  84 ext3 = $(shell \
  85         if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  86                 if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \
  87                         -z "$(ext3_dep_check)" ] ; then \
  88                         echo "warn" ; \
  89                         exit ; \
  90                 fi; \
  91                 echo "lttng-probe-ext3.o" ; \
  92         fi;)
  93 ifeq ($(ext3),warn)
  94 $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
  95 ext3 =
  96 endif
  97 obj-m += $(ext3)
  98 endif
  99
 100 ifneq ($(CONFIG_GPIOLIB),)
 101 obj-m +=  $(shell \
 102         if [ $(VERSION) -ge 3 ] ; then \
 103                 echo "lttng-probe-gpio.o" ; fi;)
 104 endif
 105
 106 ifneq ($(CONFIG_JBD2),)
 107 obj-m += lttng-probe-jbd2.o
 108 endif
 109
 110 ifneq ($(CONFIG_JBD),)
 111 obj-m +=  $(shell \
 112         if [ $(VERSION) -ge 4 \
 113                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
 114                 echo "lttng-probe-jbd.o" ; fi;)
 115 endif
 116
 117 ifneq ($(CONFIG_REGULATOR),)
 118 obj-m +=  $(shell \
 119         if [ $(VERSION) -ge 3 \
 120                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 121                 echo "lttng-probe-regulator.o" ; fi;)
 122 endif
 123
 124 ifneq ($(CONFIG_SCSI),)
 125 obj-m +=  $(shell \
 126         if [ $(VERSION) -ge 3 \
 127                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
 128                 echo "lttng-probe-scsi.o" ; fi;)
 129 endif
 130
 131 vmscan = $(shell \
 132         if [ $(VERSION) -ge 3 \
 133                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 134                 echo "lttng-probe-vmscan.o" ; fi;)
 135 ifneq ($(CONFIG_SWAP),)
 136         obj-m += $(vmscan)
 137 else
 138 ifneq ($(CONFIG_CGROUP_MEM_RES_CTLR),)
 139         obj-m += $(vmscan)
 140 endif
 141 endif
 142
 143 # lock probe does not work, so disabling it for now
 144 #ifneq ($(CONFIG_LOCKDEP),)
 145 #obj-m += lttng-probe-lock.o
 146 #endif
 147
 148 ifneq ($(CONFIG_BTRFS_FS),)
 149 btrfs_dep = $(srctree)/fs/btrfs/*.h
 150 btrfs = $(shell \
 151         if [ $(VERSION) -ge 3 \
 152                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 39 \) ] ; then \
 153                 echo "lttng-probe-btrfs.o" ; fi;)
 154 ifneq ($(btrfs),)
 155 ifeq ($(wildcard $(btrfs_dep)),)
 156 $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
 157 btrfs =
 158 endif
 159 endif
 160 obj-m += $(btrfs)
 161 endif
 162
 163 obj-m +=  $(shell \
 164         if [ $(VERSION) -ge 3 \
 165                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 166                 echo "lttng-probe-compaction.o" ; fi;)
 167
 168 ifneq ($(CONFIG_EXT4_FS),)
 169 ext4_dep = $(srctree)/fs/ext4/*.h
 170 ext4 = lttng-probe-ext4.o
 171 ifeq ($(wildcard $(ext4_dep)),)
 172 $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
 173 ext4 =
 174 endif
 175 obj-m += $(ext4)
 176 endif
 177
 178 obj-m +=  $(shell \
 179         if [ $(VERSION) -ge 4 \
 180                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 181                 echo "lttng-probe-printk.o" ; fi;)
 182 ifneq ($(CONFIG_FRAME_WARN),0)
 183 CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 184 endif
 185
 186 obj-m +=  $(shell \
 187         if [ $(VERSION) -ge 4 \
 188                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
 189                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
 190                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
 191                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
 192                 echo "lttng-probe-random.o" ; fi;)
 193
 194 obj-m +=  $(shell \
 195         if [ $(VERSION) -ge 4 \
 196                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 197                 echo "lttng-probe-rcu.o" ; fi;)
 198
 199 ifneq ($(CONFIG_REGMAP),)
 200 regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
 201 ifneq ($(wildcard $(regmap_dep_4_1)),)
 202 obj-m += lttng-probe-regmap.o
 203 else
 204 $(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
 205 endif
 206 endif
 207
 208 ifneq ($(CONFIG_PM_RUNTIME),)
 209 obj-m +=  $(shell \
 210         if [ $(VERSION) -ge 4 \
 211                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 212                 echo "lttng-probe-rpm.o" ; fi;)
 213 endif
 214
 215 ifneq ($(CONFIG_SUNRPC),)
 216 obj-m +=  $(shell \
 217         if [ $(VERSION) -ge 4 \
 218                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 219                 echo "lttng-probe-sunrpc.o" ; fi;)
 220 endif
 221
 222 ifneq ($(CONFIG_VIDEO_V4L2),)
 223 obj-m += $(shell \
 224         if [ $(VERSION) -ge 4 \
 225                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
 226                 echo "lttng-probe-v4l2.o" ; fi;)
 227 endif
 228
 229 obj-m += lttng-probe-workqueue.o
 230
 231 ifneq ($(CONFIG_KALLSYMS_ALL),)
 232 obj-m +=  $(shell \
 233         if [ $(VERSION) -ge 3 \
 234                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 235                 echo "lttng-probe-writeback.o" ; fi;)
 236 else
 237 $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 238 endif
 239
 240
 241 ifneq ($(CONFIG_KPROBES),)
 242 obj-m += lttng-kprobes.o
 243 endif
 244
 245
 246 ifneq ($(CONFIG_KRETPROBES),)
 247 obj-m += lttng-kretprobes.o
 248 endif
 249
 250 ifneq ($(CONFIG_DYNAMIC_FTRACE),)
 251 obj-m += lttng-ftrace.o
 252 endif
 253
 254 endif
 255
 256 else
 257         KERNELDIR ?= /lib/modules/$(shell uname -r)/build
 258         PWD := $(shell pwd)
 259         CFLAGS = $(EXTCFLAGS)
 260
 261 default:
 262         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
 263
 264 modules_install:
 265         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
 266         /sbin/depmod -a
 267
 268 clean:
 269         $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
 270
 271 endif