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 ccflags-y += -I$(PWD)/probes
   9 obj-m += lttng-types.o
  10
  11 obj-m += lttng-probe-sched.o
  12 obj-m += lttng-probe-irq.o
  13 obj-m += lttng-probe-timer.o
  14 obj-m += lttng-probe-kmem.o
  15 obj-m += lttng-probe-module.o
  16 obj-m += lttng-probe-power.o
  17
  18 obj-m += lttng-probe-statedump.o
  19
  20 ifneq ($(CONFIG_KVM),)
  21 obj-m += lttng-probe-kvm.o
  22 ifneq ($(CONFIG_X86),)
  23 kvm_dep = $(srctree)/virt/kvm/iodev.h
  24 ifneq ($(wildcard $(kvm_dep)),)
  25 CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
  26 CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
  27 obj-m += lttng-probe-kvm-x86.o
  28 obj-m += lttng-probe-kvm-x86-mmu.o
  29 else
  30 $(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  31 endif
  32 endif
  33 endif
  34
  35 obj-m +=  $(shell \
  36         if [ $(VERSION) -ge 3 \
  37                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
  38                 echo "lttng-probe-signal.o" ; fi;)
  39
  40 ifneq ($(CONFIG_BLOCK),)
  41 ifneq ($(CONFIG_EVENT_TRACING),)        # need blk_cmd_buf_len
  42 obj-m += lttng-probe-block.o
  43 endif
  44 endif
  45
  46 ifneq ($(CONFIG_NET),)
  47 obj-m += lttng-probe-napi.o
  48 obj-m += lttng-probe-skb.o
  49 obj-m +=  $(shell \
  50         if [ $(VERSION) -ge 3 \
  51                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
  52                 echo "lttng-probe-net.o" ; fi;)
  53 obj-m +=  $(shell \
  54         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  55                 echo "lttng-probe-sock.o" ; fi;)
  56 obj-m +=  $(shell \
  57         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  58                 echo "lttng-probe-udp.o" ; fi;)
  59 endif
  60
  61 ifneq ($(CONFIG_SND_SOC),)
  62 obj-m +=  $(shell \
  63         if [ $(VERSION) -ge 3 \
  64                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  65                 echo "lttng-probe-asoc.o" ; fi;)
  66 endif
  67
  68 ifneq ($(CONFIG_EXT3_FS),)
  69 ext3_dep = $(srctree)/fs/ext3/*.h
  70 ext3_dep_check = $(wildcard $(ext3_dep))
  71 ext3 = $(shell \
  72         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  73                 if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 -a \
  74                         -z "$(ext3_dep_check)" ] ; then \
  75                         echo "warn" ; \
  76                         exit ; \
  77                 fi; \
  78                 echo "lttng-probe-ext3.o" ; \
  79         fi;)
  80 ifeq ($(ext3),warn)
  81 $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
  82 ext3 =
  83 endif
  84 obj-m += $(ext3)
  85 endif
  86
  87 ifneq ($(CONFIG_GPIOLIB),)
  88 obj-m +=  $(shell \
  89         if [ $(VERSION) -ge 3 ] ; then \
  90                 echo "lttng-probe-gpio.o" ; fi;)
  91 endif
  92
  93 ifneq ($(CONFIG_JBD2),)
  94 obj-m += lttng-probe-jbd2.o
  95 endif
  96
  97 ifneq ($(CONFIG_JBD),)
  98 obj-m +=  $(shell \
  99         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
 100                 echo "lttng-probe-jbd.o" ; fi;)
 101 endif
 102
 103 ifneq ($(CONFIG_REGULATOR),)
 104 obj-m +=  $(shell \
 105         if [ $(VERSION) -ge 3 \
 106                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 107                 echo "lttng-probe-regulator.o" ; fi;)
 108 endif
 109
 110 ifneq ($(CONFIG_SCSI),)
 111 obj-m +=  $(shell \
 112         if [ $(VERSION) -ge 3 \
 113                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
 114                 echo "lttng-probe-scsi.o" ; fi;)
 115 endif
 116
 117 vmscan = $(shell \
 118         if [ $(VERSION) -ge 3 \
 119                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 120                 echo "lttng-probe-vmscan.o" ; fi;)
 121 ifneq ($(CONFIG_SWAP),)
 122         obj-m += $(vmscan)
 123 else
 124 ifneq ($(CONFIG_CGROUP_MEM_RES_CTLR),)
 125         obj-m += $(vmscan)
 126 endif
 127 endif
 128
 129 # lock probe does not work, so disabling it for now
 130 #ifneq ($(CONFIG_LOCKDEP),)
 131 #obj-m += lttng-probe-lock.o
 132 #endif
 133
 134 ifneq ($(CONFIG_BTRFS_FS),)
 135 btrfs_dep = $(srctree)/fs/btrfs/*.h
 136 btrfs = $(shell \
 137         if [ $(VERSION) -ge 3 \
 138                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 39 \) ] ; then \
 139                 echo "lttng-probe-btrfs.o" ; fi;)
 140 ifneq ($(btrfs),)
 141 ifeq ($(wildcard $(btrfs_dep)),)
 142 $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
 143 btrfs =
 144 endif
 145 endif
 146 obj-m += $(btrfs)
 147 endif
 148
 149 obj-m +=  $(shell \
 150         if [ $(VERSION) -ge 3 \
 151                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 152                 echo "lttng-probe-compaction.o" ; fi;)
 153
 154 ifneq ($(CONFIG_EXT4_FS),)
 155 ext4_dep = $(srctree)/fs/ext4/*.h
 156 ext4 = lttng-probe-ext4.o
 157 ifeq ($(wildcard $(ext4_dep)),)
 158 $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
 159 ext4 =
 160 endif
 161 obj-m += $(ext4)
 162 endif
 163
 164 obj-m +=  $(shell \
 165         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 ] ; then \
 166                 echo "lttng-probe-printk.o" ; fi;)
 167 ifneq ($(CONFIG_FRAME_WARN),0)
 168 CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 169 endif
 170
 171 obj-m +=  $(shell \
 172         if [ $(VERSION) -ge 4 \
 173                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
 174                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
 175                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
 176                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
 177                 echo "lttng-probe-random.o" ; fi;)
 178
 179 obj-m +=  $(shell \
 180         if [ $(VERSION) -ge 4 \
 181                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 182                 echo "lttng-probe-rcu.o" ; fi;)
 183
 184 ifneq ($(CONFIG_REGMAP),)
 185 obj-m +=  $(shell \
 186         if [ $(VERSION) -ge 4 \
 187                 \( -o $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 188                 echo "lttng-probe-regmap.o" ; fi;)
 189 endif
 190
 191 ifneq ($(CONFIG_PM_RUNTIME),)
 192 obj-m +=  $(shell \
 193         if [ $(VERSION) -ge 4 \
 194                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 195                 echo "lttng-probe-rpm.o" ; fi;)
 196 endif
 197
 198 ifneq ($(CONFIG_SUNRPC),)
 199 obj-m +=  $(shell \
 200         if [ $(VERSION) -ge 4 \
 201                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 202                 echo "lttng-probe-sunrpc.o" ; fi;)
 203 endif
 204
 205 ifneq ($(CONFIG_VIDEO_V4L2),)
 206 obj-m += $(shell \
 207         if [ $(VERSION) -ge 4 \
 208                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
 209                 echo "lttng-probe-v4l2.o" ; fi;)
 210 endif
 211
 212 obj-m += lttng-probe-workqueue.o
 213
 214 ifneq ($(CONFIG_KALLSYMS_ALL),)
 215 obj-m +=  $(shell \
 216         if [ $(VERSION) -ge 3 \
 217                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 218                 echo "lttng-probe-writeback.o" ; fi;)
 219 else
 220 $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 221 endif
 222
 223
 224 ifneq ($(CONFIG_KPROBES),)
 225 obj-m += lttng-kprobes.o
 226 endif
 227
 228
 229 ifneq ($(CONFIG_KRETPROBES),)
 230 obj-m += lttng-kretprobes.o
 231 endif
 232
 233 ifneq ($(CONFIG_DYNAMIC_FTRACE),)
 234 obj-m += lttng-ftrace.o
 235 endif
 236
 237 endif
 238
 239 else
 240         KERNELDIR ?= /lib/modules/$(shell uname -r)/build
 241         PWD := $(shell pwd)
 242         CFLAGS = $(EXTCFLAGS)
 243
 244 default:
 245         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
 246
 247 modules_install:
 248         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
 249         /sbin/depmod -a
 250
 251 clean:
 252         $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
 253
 254 endif