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
  10 include $(KBUILD_EXTMOD)/Makefile.ABI.workarounds
  11
  12 ccflags-y += -I$(PWD)/probes
  13 obj-m += lttng-types.o
  14
  15 obj-m += lttng-probe-sched.o
  16 obj-m += lttng-probe-irq.o
  17 obj-m += lttng-probe-timer.o
  18 obj-m += lttng-probe-kmem.o
  19 obj-m += lttng-probe-module.o
  20 obj-m += lttng-probe-power.o
  21
  22 obj-m += lttng-probe-statedump.o
  23
  24 ifneq ($(CONFIG_KVM),)
  25 obj-m += lttng-probe-kvm.o
  26 ifneq ($(CONFIG_X86),)
  27 kvm_dep = $(srctree)/virt/kvm/iodev.h
  28 ifneq ($(wildcard $(kvm_dep)),)
  29 CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
  30 CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
  31 obj-m +=  $(shell \
  32         if [ $(VERSION) -ge 3 \
  33                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  34                 echo "lttng-probe-kvm-x86.o" ; fi;)
  35 obj-m +=  $(shell \
  36         if [ $(VERSION) -ge 3 \
  37                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  38                 echo "lttng-probe-kvm-x86-mmu.o" ; fi;)
  39 else
  40 $(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  41 endif
  42 endif
  43 endif
  44
  45 obj-m +=  $(shell \
  46         if [ $(VERSION) -ge 3 \
  47                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
  48                 echo "lttng-probe-signal.o" ; fi;)
  49
  50 ifneq ($(CONFIG_BLOCK),)
  51 ifneq ($(CONFIG_EVENT_TRACING),)        # need blk_cmd_buf_len
  52 obj-m += lttng-probe-block.o
  53 endif
  54 endif
  55
  56 ifneq ($(CONFIG_NET),)
  57 obj-m += lttng-probe-napi.o
  58 obj-m += lttng-probe-skb.o
  59 obj-m +=  $(shell \
  60         if [ $(VERSION) -ge 3 \
  61                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
  62                 echo "lttng-probe-net.o" ; fi;)
  63 obj-m +=  $(shell \
  64         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  65                 echo "lttng-probe-sock.o" ; fi;)
  66 obj-m +=  $(shell \
  67         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  68                 echo "lttng-probe-udp.o" ; fi;)
  69 endif
  70
  71 ifneq ($(CONFIG_SND_SOC),)
  72 obj-m +=  $(shell \
  73         if [ $(VERSION) -ge 3 \
  74                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  75                 echo "lttng-probe-asoc.o" ; fi;)
  76 endif
  77
  78 ifneq ($(CONFIG_EXT3_FS),)
  79 ext3_dep = $(srctree)/fs/ext3/*.h
  80 ext3_dep_check = $(wildcard $(ext3_dep))
  81 ext3 = $(shell \
  82         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  83                 if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 -a \
  84                         -z "$(ext3_dep_check)" ] ; then \
  85                         echo "warn" ; \
  86                         exit ; \
  87                 fi; \
  88                 echo "lttng-probe-ext3.o" ; \
  89         fi;)
  90 ifeq ($(ext3),warn)
  91 $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
  92 ext3 =
  93 endif
  94 obj-m += $(ext3)
  95 endif
  96
  97 ifneq ($(CONFIG_GPIOLIB),)
  98 obj-m +=  $(shell \
  99         if [ $(VERSION) -ge 3 ] ; then \
 100                 echo "lttng-probe-gpio.o" ; fi;)
 101 endif
 102
 103 ifneq ($(CONFIG_JBD2),)
 104 obj-m += lttng-probe-jbd2.o
 105 endif
 106
 107 ifneq ($(CONFIG_JBD),)
 108 obj-m +=  $(shell \
 109         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
 110                 echo "lttng-probe-jbd.o" ; fi;)
 111 endif
 112
 113 ifneq ($(CONFIG_REGULATOR),)
 114 obj-m +=  $(shell \
 115         if [ $(VERSION) -ge 3 \
 116                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 117                 echo "lttng-probe-regulator.o" ; fi;)
 118 endif
 119
 120 ifneq ($(CONFIG_SCSI),)
 121 obj-m +=  $(shell \
 122         if [ $(VERSION) -ge 3 \
 123                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
 124                 echo "lttng-probe-scsi.o" ; fi;)
 125 endif
 126
 127 vmscan = $(shell \
 128         if [ $(VERSION) -ge 3 \
 129                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 130                 echo "lttng-probe-vmscan.o" ; fi;)
 131 ifneq ($(CONFIG_SWAP),)
 132         obj-m += $(vmscan)
 133 else
 134 ifneq ($(CONFIG_CGROUP_MEM_RES_CTLR),)
 135         obj-m += $(vmscan)
 136 endif
 137 endif
 138
 139 # lock probe does not work, so disabling it for now
 140 #ifneq ($(CONFIG_LOCKDEP),)
 141 #obj-m += lttng-probe-lock.o
 142 #endif
 143
 144 ifneq ($(CONFIG_BTRFS_FS),)
 145 btrfs_dep = $(srctree)/fs/btrfs/*.h
 146 btrfs = $(shell \
 147         if [ $(VERSION) -ge 3 \
 148                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 39 \) ] ; then \
 149                 echo "lttng-probe-btrfs.o" ; fi;)
 150 ifneq ($(btrfs),)
 151 ifeq ($(wildcard $(btrfs_dep)),)
 152 $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
 153 btrfs =
 154 endif
 155 endif
 156 obj-m += $(btrfs)
 157 endif
 158
 159 obj-m +=  $(shell \
 160         if [ $(VERSION) -ge 3 \
 161                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 162                 echo "lttng-probe-compaction.o" ; fi;)
 163
 164 ifneq ($(CONFIG_EXT4_FS),)
 165 ext4_dep = $(srctree)/fs/ext4/*.h
 166 ext4 = lttng-probe-ext4.o
 167 ifeq ($(wildcard $(ext4_dep)),)
 168 $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
 169 ext4 =
 170 endif
 171 obj-m += $(ext4)
 172 endif
 173
 174 obj-m +=  $(shell \
 175         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 ] ; then \
 176                 echo "lttng-probe-printk.o" ; fi;)
 177 ifneq ($(CONFIG_FRAME_WARN),0)
 178 CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 179 endif
 180
 181 obj-m +=  $(shell \
 182         if [ $(VERSION) -ge 4 \
 183                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
 184                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
 185                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
 186                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
 187                 echo "lttng-probe-random.o" ; fi;)
 188
 189 obj-m +=  $(shell \
 190         if [ $(VERSION) -ge 4 \
 191                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 192                 echo "lttng-probe-rcu.o" ; fi;)
 193
 194 ifneq ($(CONFIG_REGMAP),)
 195 obj-m +=  $(shell \
 196         if [ $(VERSION) -ge 4 \
 197                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 198                 echo "lttng-probe-regmap.o" ; fi;)
 199 endif
 200
 201 ifneq ($(CONFIG_PM_RUNTIME),)
 202 obj-m +=  $(shell \
 203         if [ $(VERSION) -ge 4 \
 204                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 205                 echo "lttng-probe-rpm.o" ; fi;)
 206 endif
 207
 208 ifneq ($(CONFIG_SUNRPC),)
 209 obj-m +=  $(shell \
 210         if [ $(VERSION) -ge 4 \
 211                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 212                 echo "lttng-probe-sunrpc.o" ; fi;)
 213 endif
 214
 215 ifneq ($(CONFIG_VIDEO_V4L2),)
 216 obj-m += $(shell \
 217         if [ $(VERSION) -ge 4 \
 218                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
 219                 echo "lttng-probe-v4l2.o" ; fi;)
 220 endif
 221
 222 obj-m += lttng-probe-workqueue.o
 223
 224 ifneq ($(CONFIG_KALLSYMS_ALL),)
 225 obj-m +=  $(shell \
 226         if [ $(VERSION) -ge 3 \
 227                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 228                 echo "lttng-probe-writeback.o" ; fi;)
 229 else
 230 $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 231 endif
 232
 233
 234 ifneq ($(CONFIG_KPROBES),)
 235 obj-m += lttng-kprobes.o
 236 endif
 237
 238
 239 ifneq ($(CONFIG_KRETPROBES),)
 240 obj-m += lttng-kretprobes.o
 241 endif
 242
 243 ifneq ($(CONFIG_DYNAMIC_FTRACE),)
 244 obj-m += lttng-ftrace.o
 245 endif
 246
 247 endif
 248
 249 else
 250         KERNELDIR ?= /lib/modules/$(shell uname -r)/build
 251         PWD := $(shell pwd)
 252         CFLAGS = $(EXTCFLAGS)
 253
 254 default:
 255         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
 256
 257 modules_install:
 258         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
 259         /sbin/depmod -a
 260
 261 clean:
 262         $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
 263
 264 endif