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