probes/Kbuild

   1 TOP_LTTNG_MODULES_DIR := $(shell dirname $(lastword $(MAKEFILE_LIST)))/..
   2
   3 include $(TOP_LTTNG_MODULES_DIR)/Makefile.ABI.workarounds
   4
   5 ccflags-y += -I$(TOP_LTTNG_MODULES_DIR)
   6
   7 obj-$(CONFIG_LTTNG) += lttng-probe-sched.o
   8 obj-$(CONFIG_LTTNG) += lttng-probe-irq.o
   9 obj-$(CONFIG_LTTNG) += lttng-probe-timer.o
  10 obj-$(CONFIG_LTTNG) += lttng-probe-kmem.o
  11 obj-$(CONFIG_LTTNG) += lttng-probe-module.o
  12 obj-$(CONFIG_LTTNG) += lttng-probe-power.o
  13 obj-$(CONFIG_LTTNG) += lttng-probe-statedump.o
  14
  15 ifneq ($(CONFIG_KVM),)
  16   obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o
  17   ifneq ($(CONFIG_X86),)
  18     kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
  19     ifneq ($(wildcard $(kvm_dep_lapic)),)
  20       kvm_dep = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
  21       ifneq ($(wildcard $(kvm_dep)),)
  22         CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
  23         CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
  24         obj-$(CONFIG_LTTNG) +=  $(shell \
  25           if [ $(VERSION) -ge 3 \
  26             -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  27             echo "lttng-probe-kvm-x86.o" ; fi;)
  28         obj-$(CONFIG_LTTNG) +=  $(shell \
  29           if [ $(VERSION) -ge 3 \
  30             -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  31             echo "lttng-probe-kvm-x86-mmu.o" ; fi;)
  32       else
  33         $(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  34       endif # $(wildcard $(kvm_dep))
  35     else
  36       $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  37     endif # $(wildcard $(kvm_dep_lapic))
  38   endif # CONFIG_X86
  39 endif # CONFIG_KVM
  40
  41 ifneq ($(CONFIG_X86),)
  42   x86_irq_vectors_dep = $(srctree)/arch/x86/include/asm/trace/irq_vectors.h
  43
  44   ifneq ($(wildcard $(x86_irq_vectors_dep)),)
  45     obj-$(CONFIG_LTTNG) += lttng-probe-x86-irq-vectors.o
  46   endif # $(wildcard $(x86_irq_vectors_dep))
  47
  48   x86_exceptions_dep = $(srctree)/arch/x86/include/asm/trace/exceptions.h
  49
  50   ifneq ($(wildcard $(x86_exceptions_dep)),)
  51     obj-$(CONFIG_LTTNG) += lttng-probe-x86-exceptions.o
  52   endif # $(wildcard $(x86_exceptions_dep))
  53 endif # CONFIG_X86
  54
  55 obj-$(CONFIG_LTTNG) +=  $(shell \
  56   if [ $(VERSION) -ge 3 \
  57     -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
  58     echo "lttng-probe-signal.o" ; fi;)
  59
  60 ifneq ($(CONFIG_BLOCK),)
  61   # need blk_cmd_buf_len
  62   ifneq ($(CONFIG_EVENT_TRACING),)
  63     obj-$(CONFIG_LTTNG) += lttng-probe-block.o
  64   endif # CONFIG_EVENT_TRACING
  65 endif # CONFIG_BLOCK
  66
  67 ifneq ($(CONFIG_NET),)
  68   obj-$(CONFIG_LTTNG) += lttng-probe-napi.o
  69   obj-$(CONFIG_LTTNG) += lttng-probe-skb.o
  70   obj-$(CONFIG_LTTNG) +=  $(shell \
  71     if [ $(VERSION) -ge 3 \
  72       -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
  73       echo "lttng-probe-net.o" ; fi;)
  74   obj-$(CONFIG_LTTNG) +=  $(shell \
  75     if [ $(VERSION) -ge 4 \
  76       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  77       echo "lttng-probe-sock.o" ; fi;)
  78   obj-$(CONFIG_LTTNG) +=  $(shell \
  79     if [ $(VERSION) -ge 4 \
  80       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  81       echo "lttng-probe-udp.o" ; fi;)
  82 endif # CONFIG_NET
  83
  84 ifneq ($(CONFIG_SND_SOC),)
  85   obj-$(CONFIG_LTTNG) +=  $(shell \
  86     if [ $(VERSION) -ge 3 \
  87       -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  88       echo "lttng-probe-asoc.o" ; fi;)
  89 endif # CONFIG_SND_SOC
  90
  91 ifneq ($(CONFIG_EXT3_FS),)
  92   ext3_dep = $(srctree)/fs/ext3/*.h
  93   ext3_dep_check = $(wildcard $(ext3_dep))
  94   ext3 = $(shell \
  95     if [ $(VERSION) -lt 4 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -lt 3 \) ] ; then \
  96       if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  97         if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \
  98           -z "$(ext3_dep_check)" ] ; then \
  99           echo "warn" ; \
 100           exit ; \
 101         fi; \
 102         echo "lttng-probe-ext3.o" ; \
 103       fi; \
 104     fi;)
 105   ifeq ($(ext3),warn)
 106     $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
 107     ext3 =
 108   endif # $(ext3),warn
 109   obj-$(CONFIG_LTTNG) += $(ext3)
 110 endif # CONFIG_EXT3_FS
 111
 112 ifneq ($(CONFIG_GPIOLIB),)
 113   obj-$(CONFIG_LTTNG) +=  $(shell \
 114     if [ $(VERSION) -ge 3 ] ; then \
 115       echo "lttng-probe-gpio.o" ; fi;)
 116 endif # CONFIG_GPIOLIB
 117
 118 ifneq ($(CONFIG_JBD2),)
 119   obj-$(CONFIG_LTTNG) += lttng-probe-jbd2.o
 120 endif # CONFIG_JBD2
 121
 122 ifneq ($(CONFIG_JBD),)
 123   obj-$(CONFIG_LTTNG) +=  $(shell \
 124     if [ $(VERSION) -ge 4 \
 125       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
 126       echo "lttng-probe-jbd.o" ; fi;)
 127 endif # CONFIG_JBD
 128
 129 ifneq ($(CONFIG_REGULATOR),)
 130   obj-$(CONFIG_LTTNG) +=  $(shell \
 131     if [ $(VERSION) -ge 3 \
 132       -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 133       echo "lttng-probe-regulator.o" ; fi;)
 134 endif # CONFIG_REGULATOR
 135
 136 ifneq ($(CONFIG_SCSI),)
 137   obj-$(CONFIG_LTTNG) +=  $(shell \
 138     if [ $(VERSION) -ge 3 \
 139       -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
 140       echo "lttng-probe-scsi.o" ; fi;)
 141 endif # CONFIG_SCSI
 142
 143 obj-$(CONFIG_LTTNG) += $(shell \
 144   if [ $(VERSION) -ge 3 \
 145     -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 146     echo "lttng-probe-vmscan.o" ; fi;)
 147
 148 # lock probe does not work, so disabling it for now
 149 #ifneq ($(CONFIG_LOCKDEP),)
 150 #  obj-$(CONFIG_LTTNG) += lttng-probe-lock.o
 151 #endif # CONFIG_LOCKDEP
 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 # $(wildcard $(btrfs_dep))
 164   endif # $(btrfs)
 165   obj-$(CONFIG_LTTNG) += $(btrfs)
 166 endif # CONFIG_BTRFS_FS
 167
 168 obj-$(CONFIG_LTTNG) +=  $(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 # $(wildcard $(ext4_dep))
 180   obj-$(CONFIG_LTTNG) += $(ext4)
 181 endif # CONFIG_EXT4_FS
 182
 183 obj-$(CONFIG_LTTNG) +=  $(shell \
 184   if [ $(VERSION) -ge 4 \
 185     -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 186     echo "lttng-probe-printk.o" ; fi;)
 187
 188 ifneq ($(CONFIG_FRAME_WARN),0)
 189   CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 190 endif
 191
 192 obj-$(CONFIG_LTTNG) +=  $(shell \
 193     if [ $(VERSION) -ge 4 \
 194       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
 195       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
 196       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
 197       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
 198       echo "lttng-probe-random.o" ; fi;)
 199
 200 obj-$(CONFIG_LTTNG) +=  $(shell \
 201   if [ $(VERSION) -ge 4 \
 202     -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 203     echo "lttng-probe-rcu.o" ; fi;)
 204
 205 ifneq ($(CONFIG_REGMAP),)
 206   regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
 207   ifneq ($(wildcard $(regmap_dep_4_1)),)
 208     obj-$(CONFIG_LTTNG) += lttng-probe-regmap.o
 209   else
 210     $(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
 211   endif # $(wildcard $(regmap_dep_4_1)),
 212 endif # CONFIG_REGMAP
 213
 214 ifneq ($(CONFIG_PM_RUNTIME),)
 215   obj-$(CONFIG_LTTNG) +=  $(shell \
 216     if [ $(VERSION) -ge 4 \
 217       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 218       echo "lttng-probe-rpm.o" ; fi;)
 219 endif # CONFIG_PM_RUNTIME
 220
 221 ifneq ($(CONFIG_SUNRPC),)
 222   obj-$(CONFIG_LTTNG) +=  $(shell \
 223     if [ $(VERSION) -ge 4 \
 224       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 225       echo "lttng-probe-sunrpc.o" ; fi;)
 226 endif # CONFIG_SUNRPC
 227
 228 ifneq ($(CONFIG_VIDEO_V4L2),)
 229   obj-$(CONFIG_LTTNG) += $(shell \
 230     if [ $(VERSION) -ge 4 \
 231       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
 232       echo "lttng-probe-v4l2.o" ; fi;)
 233 endif # CONFIG_VIDEO_V4L2
 234
 235 obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o
 236
 237 ifneq ($(CONFIG_KALLSYMS_ALL),)
 238   obj-$(CONFIG_LTTNG) +=  $(shell \
 239     if [ $(VERSION) -ge 3 \
 240       -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 241       echo "lttng-probe-writeback.o" ; fi;)
 242 else
 243   ifdef CONFIG_LOCALVERSION # Check if dot-config is included.
 244     $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 245   endif
 246 endif # CONFIG_KALLSYMS_ALL
 247
 248 ifneq ($(CONFIG_KPROBES),)
 249   obj-$(CONFIG_LTTNG) += lttng-kprobes.o
 250 endif # CONFIG_KPROBES
 251
 252 ifneq ($(CONFIG_KRETPROBES),)
 253   obj-$(CONFIG_LTTNG) += lttng-kretprobes.o
 254 endif # CONFIG_KRETPROBES
 255
 256 ifneq ($(CONFIG_DYNAMIC_FTRACE),)
 257   ftrace_dep = $(srctree)/kernel/trace/trace.h
 258   ftrace_dep_check = $(wildcard $(ftrace_dep))
 259   ftrace = $(shell \
 260     if [ $(VERSION) -ge 5 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -ge 12 \) ] ; then \
 261       if [ -z "$(ftrace_dep_check)" ] ; then \
 262         echo "warn" ; \
 263         exit ; \
 264       fi; \
 265       echo "lttng-ftrace.o" ; \
 266     fi;)
 267   ifeq ($(ftrace),warn)
 268     $(warning Files $(ftrace_dep) not found. Probe "ftrace" is disabled. Use full kernel source tree to enable it.)
 269     ftrace =
 270   endif # $(ftrace),warn
 271   obj-$(CONFIG_LTTNG) += $(ftrace)
 272 endif # CONFIG_DYNAMIC_FTRACE
 273
 274 # vim:syntax=make