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