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