probes/Kbuild

   1 # SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
   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_EXT3_FS),)
  87   ext3_dep = $(srctree)/fs/ext3/*.h
  88   ext3_dep_check = $(wildcard $(ext3_dep))
  89   ext3 = $(shell \
  90     if [ $(VERSION) -lt 4 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -lt 3 \) ] ; then \
  91       if [ $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
  92         if [ \( $(VERSION) -ge 4 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) \) -a \
  93           -z "$(ext3_dep_check)" ] ; then \
  94           echo "warn" ; \
  95           exit ; \
  96         fi; \
  97         echo "lttng-probe-ext3.o" ; \
  98       fi; \
  99     fi;)
 100   ifeq ($(ext3),warn)
 101     $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
 102     ext3 =
 103   endif # $(ext3),warn
 104   obj-$(CONFIG_LTTNG) += $(ext3)
 105 endif # CONFIG_EXT3_FS
 106
 107 ifneq ($(CONFIG_GPIOLIB),)
 108   obj-$(CONFIG_LTTNG) +=  $(shell \
 109     if [ $(VERSION) -ge 3 ] ; then \
 110       echo "lttng-probe-gpio.o" ; fi;)
 111 endif # CONFIG_GPIOLIB
 112
 113 ifneq ($(CONFIG_JBD2),)
 114   obj-$(CONFIG_LTTNG) += lttng-probe-jbd2.o
 115 endif # CONFIG_JBD2
 116
 117 ifneq ($(CONFIG_JBD),)
 118   obj-$(CONFIG_LTTNG) +=  $(shell \
 119     if [ $(VERSION) -ge 4 \
 120       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 1 \) ] ; then \
 121       echo "lttng-probe-jbd.o" ; fi;)
 122 endif # CONFIG_JBD
 123
 124 ifneq ($(CONFIG_REGULATOR),)
 125   obj-$(CONFIG_LTTNG) += lttng-probe-regulator.o
 126 endif # CONFIG_REGULATOR
 127
 128 ifneq ($(CONFIG_SCSI),)
 129   obj-$(CONFIG_LTTNG) += lttng-probe-scsi.o
 130 endif # CONFIG_SCSI
 131
 132 obj-$(CONFIG_LTTNG) += lttng-probe-vmscan.o
 133
 134 # lock probe does not work, so disabling it for now
 135 #ifneq ($(CONFIG_LOCKDEP),)
 136 #  obj-$(CONFIG_LTTNG) += lttng-probe-lock.o
 137 #endif # CONFIG_LOCKDEP
 138
 139 ifneq ($(CONFIG_BTRFS_FS),)
 140   btrfs_dep = $(srctree)/fs/btrfs/*.h
 141   ifneq ($(wildcard $(btrfs_dep)),)
 142     obj-$(CONFIG_LTTNG) += lttng-probe-btrfs.o
 143   else
 144     $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
 145   endif # $(wildcard $(btrfs_dep))
 146 endif # CONFIG_BTRFS_FS
 147
 148 obj-$(CONFIG_LTTNG) += lttng-probe-compaction.o
 149
 150 ifneq ($(CONFIG_EXT4_FS),)
 151   ext4_dep = $(srctree)/fs/ext4/*.h
 152   ifneq ($(wildcard $(ext4_dep)),)
 153     obj-$(CONFIG_LTTNG) += lttng-probe-ext4.o
 154   else
 155     $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
 156   endif # $(wildcard $(ext4_dep))
 157 endif # CONFIG_EXT4_FS
 158
 159 obj-$(CONFIG_LTTNG) +=  $(shell \
 160   if [ $(VERSION) -ge 4 \
 161     -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 162     echo "lttng-probe-printk.o" ; fi;)
 163
 164 ifneq ($(CONFIG_FRAME_WARN),0)
 165   CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 166 endif
 167
 168 obj-$(CONFIG_LTTNG) +=  $(shell \
 169     if [ $(VERSION) -ge 4 \
 170       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
 171       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
 172       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
 173       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
 174       echo "lttng-probe-random.o" ; fi;)
 175
 176 obj-$(CONFIG_LTTNG) +=  $(shell \
 177   if [ $(VERSION) -ge 4 \
 178     -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 179     echo "lttng-probe-rcu.o" ; fi;)
 180
 181 ifneq ($(CONFIG_REGMAP),)
 182   regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
 183   ifneq ($(wildcard $(regmap_dep_4_1)),)
 184     obj-$(CONFIG_LTTNG) += lttng-probe-regmap.o
 185   else
 186     $(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
 187   endif # $(wildcard $(regmap_dep_4_1)),
 188 endif # CONFIG_REGMAP
 189
 190 ifneq ($(CONFIG_PM_RUNTIME),)
 191   obj-$(CONFIG_LTTNG) +=  $(shell \
 192     if [ $(VERSION) -ge 4 \
 193       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
 194       echo "lttng-probe-rpm.o" ; fi;)
 195 endif # CONFIG_PM_RUNTIME
 196
 197 ifneq ($(CONFIG_SUNRPC),)
 198   obj-$(CONFIG_LTTNG) +=  $(shell \
 199     if [ $(VERSION) -ge 4 \
 200       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 4 \) ] ; then \
 201       echo "lttng-probe-sunrpc.o" ; fi;)
 202 endif # CONFIG_SUNRPC
 203
 204 ifneq ($(CONFIG_VIDEO_V4L2),)
 205   obj-$(CONFIG_LTTNG) += $(shell \
 206     if [ $(VERSION) -ge 4 \
 207       -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 14 \) ] ; then \
 208       echo "lttng-probe-v4l2.o" ; fi;)
 209 endif # CONFIG_VIDEO_V4L2
 210
 211 obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o
 212
 213 ifneq ($(CONFIG_KALLSYMS_ALL),)
 214   obj-$(CONFIG_LTTNG) += lttng-probe-writeback.o
 215 else
 216   ifdef CONFIG_LOCALVERSION # Check if dot-config is included.
 217     $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 218   endif
 219 endif # CONFIG_KALLSYMS_ALL
 220
 221 ifneq ($(CONFIG_KPROBES),)
 222   obj-$(CONFIG_LTTNG) += lttng-kprobes.o
 223 endif # CONFIG_KPROBES
 224
 225 ifneq ($(CONFIG_UPROBES),)
 226   obj-$(CONFIG_LTTNG) += lttng-uprobes.o
 227 endif # CONFIG_UPROBES
 228
 229 ifneq ($(CONFIG_KRETPROBES),)
 230   obj-$(CONFIG_LTTNG) += lttng-kretprobes.o
 231 endif # CONFIG_KRETPROBES
 232
 233 ifneq ($(CONFIG_PREEMPTIRQ_EVENTS),)
 234   obj-$(CONFIG_LTTNG) += lttng-probe-preemptirq.o
 235 endif # CONFIG_PREEMPTIRQ_EVENTS
 236
 237 # vim:syntax=make