probes/Kbuild

   1 # SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
   2
   3 TOP_LTTNG_MODULES_DIR := $(shell dirname $(lastword $(MAKEFILE_LIST)))/..
   4
   5 include $(TOP_LTTNG_MODULES_DIR)/Kbuild.common
   6
   7 ccflags-y += -I$(TOP_LTTNG_MODULES_DIR)
   8
   9 obj-$(CONFIG_LTTNG) += lttng-probe-sched.o
  10 obj-$(CONFIG_LTTNG) += lttng-probe-irq.o
  11 obj-$(CONFIG_LTTNG) += lttng-probe-timer.o
  12 obj-$(CONFIG_LTTNG) += lttng-probe-kmem.o
  13 obj-$(CONFIG_LTTNG) += lttng-probe-module.o
  14 obj-$(CONFIG_LTTNG) += lttng-probe-power.o
  15 obj-$(CONFIG_LTTNG) += lttng-probe-statedump.o
  16
  17 ifneq ($(CONFIG_NET_9P),)
  18   obj-$(CONFIG_LTTNG) +=  $(shell \
  19     if [ $(VERSION) -ge 4 \
  20       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 10 \) ] ; then \
  21       echo "lttng-probe-9p.o" ; fi;)
  22 endif # CONFIG_NET_9P
  23
  24 i2c_dep = $(srctree)/include/trace/events/i2c.h
  25 ifneq ($(wildcard $(i2c_dep)),)
  26   obj-$(CONFIG_LTTNG) += lttng-probe-i2c.o
  27 endif
  28
  29 ifneq ($(CONFIG_KVM),)
  30   obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o
  31   ifneq ($(CONFIG_X86),)
  32     kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
  33     ifneq ($(wildcard $(kvm_dep_lapic)),)
  34       kvm_dep = $(srctree)/virt/kvm/iodev.h $(srctree)/include/kvm/iodev.h
  35       ifneq ($(wildcard $(kvm_dep)),)
  36         CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm
  37         CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm
  38         obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o
  39         obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o
  40       else
  41         $(warning File $(kvm_dep) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  42       endif # $(wildcard $(kvm_dep))
  43     else
  44       $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  45     endif # $(wildcard $(kvm_dep_lapic))
  46   endif # CONFIG_X86
  47 endif # CONFIG_KVM
  48
  49 ifneq ($(CONFIG_X86),)
  50   x86_irq_vectors_dep = $(srctree)/arch/x86/include/asm/trace/irq_vectors.h
  51
  52   ifneq ($(wildcard $(x86_irq_vectors_dep)),)
  53     obj-$(CONFIG_LTTNG) += lttng-probe-x86-irq-vectors.o
  54   endif # $(wildcard $(x86_irq_vectors_dep))
  55
  56   x86_exceptions_dep = $(srctree)/arch/x86/include/asm/trace/exceptions.h
  57
  58   ifneq ($(wildcard $(x86_exceptions_dep)),)
  59     obj-$(CONFIG_LTTNG) += lttng-probe-x86-exceptions.o
  60   endif # $(wildcard $(x86_exceptions_dep))
  61 endif # CONFIG_X86
  62
  63 obj-$(CONFIG_LTTNG) += lttng-probe-signal.o
  64
  65 ifneq ($(CONFIG_BLOCK),)
  66   # need blk_cmd_buf_len
  67   ifneq ($(CONFIG_EVENT_TRACING),)
  68     obj-$(CONFIG_LTTNG) += lttng-probe-block.o
  69   endif # CONFIG_EVENT_TRACING
  70 endif # CONFIG_BLOCK
  71
  72 ifneq ($(CONFIG_NET),)
  73   obj-$(CONFIG_LTTNG) += lttng-probe-napi.o
  74   obj-$(CONFIG_LTTNG) += lttng-probe-skb.o
  75   obj-$(CONFIG_LTTNG) += lttng-probe-net.o
  76   obj-$(CONFIG_LTTNG) +=  $(shell \
  77     if [ $(VERSION) -ge 4 \
  78       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  79       echo "lttng-probe-sock.o" ; fi;)
  80   obj-$(CONFIG_LTTNG) +=  $(shell \
  81     if [ $(VERSION) -ge 4 \
  82       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  83       echo "lttng-probe-udp.o" ; fi;)
  84 endif # CONFIG_NET
  85
  86 ifneq ($(CONFIG_SND_SOC),)
  87   obj-$(CONFIG_LTTNG) += lttng-probe-asoc.o
  88 endif # CONFIG_SND_SOC
  89
  90 ifneq ($(CONFIG_EXT3_FS),)
  91   ext3_dep = $(srctree)/fs/ext3/*.h
  92   ext3_dep_check = $(wildcard $(ext3_dep))
  93   ext3 = $(shell \
  94     if [ $(VERSION) -lt 4 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -lt 3 \) ] ; then \
  95       if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  96         if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \
  97           -z "$(ext3_dep_check)" ] ; then \
  98           echo "warn" ; \
  99           exit ; \
 100         fi; \
 101         echo "lttng-probe-ext3.o" ; \
 102       fi; \
 103     fi;)
 104   ifeq ($(ext3),warn)
 105     $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
 106     ext3 =
 107   endif # $(ext3),warn
 108   obj-$(CONFIG_LTTNG) += $(ext3)
 109 endif # CONFIG_EXT3_FS
 110
 111 ifneq ($(CONFIG_GPIOLIB),)
 112   obj-$(CONFIG_LTTNG) +=  $(shell \
 113     if [ $(VERSION) -ge 3 ] ; then \
 114       echo "lttng-probe-gpio.o" ; fi;)
 115 endif # CONFIG_GPIOLIB
 116
 117 ifneq ($(CONFIG_JBD2),)
 118   obj-$(CONFIG_LTTNG) += lttng-probe-jbd2.o
 119 endif # CONFIG_JBD2
 120
 121 ifneq ($(CONFIG_JBD),)
 122   obj-$(CONFIG_LTTNG) +=  $(shell \
 123     if [ $(VERSION) -ge 4 \
 124       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
 125       echo "lttng-probe-jbd.o" ; fi;)
 126 endif # CONFIG_JBD
 127
 128 ifneq ($(CONFIG_REGULATOR),)
 129   obj-$(CONFIG_LTTNG) += lttng-probe-regulator.o
 130 endif # CONFIG_REGULATOR
 131
 132 ifneq ($(CONFIG_SCSI),)
 133   obj-$(CONFIG_LTTNG) += lttng-probe-scsi.o
 134 endif # CONFIG_SCSI
 135
 136 obj-$(CONFIG_LTTNG) += lttng-probe-vmscan.o
 137
 138 # lock probe does not work, so disabling it for now
 139 #ifneq ($(CONFIG_LOCKDEP),)
 140 #  obj-$(CONFIG_LTTNG) += lttng-probe-lock.o
 141 #endif # CONFIG_LOCKDEP
 142
 143 ifneq ($(CONFIG_BTRFS_FS),)
 144   btrfs_dep = $(srctree)/fs/btrfs/*.h
 145   ifneq ($(wildcard $(btrfs_dep)),)
 146     obj-$(CONFIG_LTTNG) += lttng-probe-btrfs.o
 147   else
 148     $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
 149   endif # $(wildcard $(btrfs_dep))
 150 endif # CONFIG_BTRFS_FS
 151
 152 obj-$(CONFIG_LTTNG) += lttng-probe-compaction.o
 153
 154 ifneq ($(CONFIG_EXT4_FS),)
 155   ext4_dep = $(srctree)/fs/ext4/*.h
 156   ifneq ($(wildcard $(ext4_dep)),)
 157     obj-$(CONFIG_LTTNG) += lttng-probe-ext4.o
 158   else
 159     $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
 160   endif # $(wildcard $(ext4_dep))
 161 endif # CONFIG_EXT4_FS
 162
 163 obj-$(CONFIG_LTTNG) +=  $(shell \
 164   if [ $(VERSION) -ge 4 \
 165     -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 166     echo "lttng-probe-printk.o" ; fi;)
 167
 168 ifneq ($(CONFIG_FRAME_WARN),0)
 169   CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 170 endif
 171
 172 obj-$(CONFIG_LTTNG) +=  $(shell \
 173     if [ $(VERSION) -ge 4 \
 174       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
 175       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
 176       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
 177       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
 178       echo "lttng-probe-random.o" ; fi;)
 179
 180 obj-$(CONFIG_LTTNG) +=  $(shell \
 181   if [ $(VERSION) -ge 4 \
 182     -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 183     echo "lttng-probe-rcu.o" ; fi;)
 184
 185 ifneq ($(CONFIG_REGMAP),)
 186   regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
 187   ifneq ($(wildcard $(regmap_dep_4_1)),)
 188     obj-$(CONFIG_LTTNG) += lttng-probe-regmap.o
 189   else
 190     $(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
 191   endif # $(wildcard $(regmap_dep_4_1)),
 192 endif # CONFIG_REGMAP
 193
 194 ifneq ($(CONFIG_PM_RUNTIME),)
 195   obj-$(CONFIG_LTTNG) +=  $(shell \
 196     if [ $(VERSION) -ge 4 \
 197       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 198       echo "lttng-probe-rpm.o" ; fi;)
 199 endif # CONFIG_PM_RUNTIME
 200
 201 ifneq ($(CONFIG_SUNRPC),)
 202   obj-$(CONFIG_LTTNG) +=  $(shell \
 203     if [ $(VERSION) -ge 4 \
 204       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 205       echo "lttng-probe-sunrpc.o" ; fi;)
 206 endif # CONFIG_SUNRPC
 207
 208 ifneq ($(CONFIG_VIDEO_V4L2),)
 209   obj-$(CONFIG_LTTNG) += $(shell \
 210     if [ $(VERSION) -ge 4 \
 211       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
 212       echo "lttng-probe-v4l2.o" ; fi;)
 213 endif # CONFIG_VIDEO_V4L2
 214
 215 obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o
 216
 217 ifneq ($(CONFIG_KALLSYMS_ALL),)
 218   obj-$(CONFIG_LTTNG) += lttng-probe-writeback.o
 219 else
 220   ifdef CONFIG_LOCALVERSION # Check if dot-config is included.
 221     $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 222   endif
 223 endif # CONFIG_KALLSYMS_ALL
 224
 225 ifneq ($(CONFIG_KPROBES),)
 226   obj-$(CONFIG_LTTNG) += lttng-kprobes.o
 227 endif # CONFIG_KPROBES
 228
 229 ifneq ($(CONFIG_UPROBES),)
 230   obj-$(CONFIG_LTTNG) += lttng-uprobes.o
 231 endif # CONFIG_UPROBES
 232
 233 ifneq ($(CONFIG_KRETPROBES),)
 234   obj-$(CONFIG_LTTNG) += lttng-kretprobes.o
 235 endif # CONFIG_KRETPROBES
 236
 237 ifneq ($(CONFIG_DYNAMIC_FTRACE),)
 238   ifeq ($(have_ftrace_header),yes)
 239     obj-$(CONFIG_LTTNG) += lttng-ftrace.o
 240   else
 241     $(warning Files $(ftrace_dep) not found. Probe "ftrace" is disabled. Use full kernel source tree to enable it.)
 242   endif
 243 endif # CONFIG_DYNAMIC_FTRACE
 244
 245 ifneq ($(CONFIG_PREEMPTIRQ_EVENTS),)
 246   obj-$(CONFIG_LTTNG) += lttng-probe-preemptirq.o
 247 endif # CONFIG_PREEMPTIRQ_EVENTS
 248
 249 # vim:syntax=make