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