src/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 $(TOP_LTTNG_MODULES_DIR)/src/Kbuild.common
   6
   7 ccflags-y += -I$(TOP_LTTNG_MODULES_DIR)/include
   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
  13 # A dependency on internal header 'mm/slab.h' was introduced in v6.0
  14 kmem_dep = $(srctree)/mm/slab.h
  15 kmem_dep_wildcard = $(wildcard $(kmem_dep))
  16 kmem_dep_check = $(shell \
  17 if [ \( $(VERSION) -ge 7 \
  18    -o \( $(VERSION) -eq 6 -a $(PATCHLEVEL) -ge 0 \) \) -a \
  19    -z "$(kmem_dep_wildcard)" ] ; then \
  20   echo "warn" ; \
  21 else \
  22   echo "ok" ; \
  23 fi ;)
  24 ifeq ($(kmem_dep_check),ok)
  25   obj-$(CONFIG_LTTNG) += lttng-probe-kmem.o
  26 else
  27   $(warning File $(kmem_dep) not found. Probe "kmem" is disabled. Use full kernel source tree to enable it.)
  28 endif
  29
  30 obj-$(CONFIG_LTTNG) += lttng-probe-module.o
  31 obj-$(CONFIG_LTTNG) += lttng-probe-power.o
  32 obj-$(CONFIG_LTTNG) += lttng-probe-statedump.o
  33
  34 ifneq ($(CONFIG_NET_9P),)
  35   obj-$(CONFIG_LTTNG) += lttng-probe-9p.o
  36 endif # CONFIG_NET_9P
  37
  38 i2c_dep = $(srctree)/include/trace/events/i2c.h
  39 ifneq ($(wildcard $(i2c_dep)),)
  40   obj-$(CONFIG_LTTNG) += lttng-probe-i2c.o
  41 endif
  42
  43 ifneq ($(CONFIG_KVM),)
  44   obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o
  45   ifneq ($(CONFIG_X86),)
  46     ifneq ($(CONFIG_KALLSYMS_ALL),)
  47       kvm_dep_lapic = $(srctree)/arch/x86/kvm/lapic.h
  48       kvm_dep_lapic_check = $(wildcard $(kvm_dep_lapic))
  49       ifneq ($(kvm_dep_lapic_check),)
  50         kvm_dep_iodev = $(srctree)/include/kvm/iodev.h
  51         kvm_dep_iodev_check = $(wildcard $(kvm_dep_iodev))
  52         ifneq ($(kvm_dep_iodev_check),)
  53           kvm_dep_emulate = $(srctree)/arch/x86/kvm/kvm_emulate.h
  54           kvm_dep_emulate_wildcard = $(wildcard $(kvm_dep_emulate))
  55           kvm_dep_emulate_check = $(shell \
  56           if [ \( $(VERSION) -ge 6 \
  57              -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -eq 7 \) \) -a \
  58              -z "$(kvm_dep_emulate_wildcard)" ] ; then \
  59             echo "warn" ; \
  60           else \
  61             echo "ok" ; \
  62           fi ;)
  63           ifeq ($(kvm_dep_emulate_check),ok)
  64             CFLAGS_lttng-probe-kvm-x86.o += -I$(srctree)/virt/kvm \
  65                        -I$(srctree)/arch/x86/kvm
  66             CFLAGS_lttng-probe-kvm-x86-mmu.o += -I$(srctree)/virt/kvm \
  67                        -I$(srctree)/arch/x86/kvm
  68             obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86.o
  69             obj-$(CONFIG_LTTNG) += lttng-probe-kvm-x86-mmu.o
  70           else # ($(kvm_dep_emulate_check),ok)
  71             $(warning File $(kvm_dep_emulate) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  72           endif # ($(kvm_dep_emulate_check),ok)
  73         else # $(kvm_dep_iodev_check)
  74           $(warning File $(kvm_dep_iodev) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  75         endif # $(kvm_dep_iodev_check)
  76       else # $(kvm_dep_lapic_check)
  77         $(warning File $(kvm_dep_lapic) not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it.)
  78       endif # $(kvm_dep_lapic_check)
  79     else
  80       $(warning CONFIG_KALLSYMS_ALL is disabled. Probe "kvm" x86-specific is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
  81     endif # CONFIG_KALLSYMS_ALL
  82   endif # CONFIG_X86
  83 endif # CONFIG_KVM
  84
  85 ifneq ($(CONFIG_X86),)
  86   x86_irq_vectors_dep = $(srctree)/arch/x86/include/asm/trace/irq_vectors.h
  87
  88   ifneq ($(wildcard $(x86_irq_vectors_dep)),)
  89     obj-$(CONFIG_LTTNG) += lttng-probe-x86-irq-vectors.o
  90   endif # $(wildcard $(x86_irq_vectors_dep))
  91
  92   x86_exceptions_dep = $(srctree)/arch/x86/include/asm/trace/exceptions.h
  93
  94   ifneq ($(wildcard $(x86_exceptions_dep)),)
  95     obj-$(CONFIG_LTTNG) += lttng-probe-x86-exceptions.o
  96   endif # $(wildcard $(x86_exceptions_dep))
  97 endif # CONFIG_X86
  98
  99 obj-$(CONFIG_LTTNG) += lttng-probe-signal.o
 100
 101 ifneq ($(CONFIG_DMA_SHARED_BUFFER),)
 102   obj-$(CONFIG_LTTNG) += $(shell \
 103     if [ $(VERSION) -ge 5 \
 104        -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -ge 10 \) ] ; then \
 105       echo "lttng-probe-dma-fence.o" ; fi;)
 106 endif # CONFIG_DMA_SHARED_BUFFER
 107
 108 ifneq ($(CONFIG_BLOCK),)
 109   # need blk_cmd_buf_len
 110   ifneq ($(CONFIG_EVENT_TRACING),)
 111     obj-$(CONFIG_LTTNG) += lttng-probe-block.o
 112   endif # CONFIG_EVENT_TRACING
 113 endif # CONFIG_BLOCK
 114
 115 ifneq ($(CONFIG_NET),)
 116   obj-$(CONFIG_LTTNG) += lttng-probe-napi.o
 117   obj-$(CONFIG_LTTNG) += lttng-probe-skb.o
 118   obj-$(CONFIG_LTTNG) += lttng-probe-net.o
 119   obj-$(CONFIG_LTTNG) += lttng-probe-sock.o
 120   obj-$(CONFIG_LTTNG) += lttng-probe-udp.o
 121 endif # CONFIG_NET
 122
 123 ifneq ($(CONFIG_SND_SOC),)
 124   obj-$(CONFIG_LTTNG) += lttng-probe-asoc.o
 125 endif # CONFIG_SND_SOC
 126
 127 ifneq ($(CONFIG_GPIOLIB),)
 128   obj-$(CONFIG_LTTNG) += lttng-probe-gpio.o
 129 endif # CONFIG_GPIOLIB
 130
 131 ifneq ($(CONFIG_JBD2),)
 132   obj-$(CONFIG_LTTNG) += lttng-probe-jbd2.o
 133 endif # CONFIG_JBD2
 134
 135 ifneq ($(CONFIG_JBD),)
 136   obj-$(CONFIG_LTTNG) += lttng-probe-jbd.o
 137 endif # CONFIG_JBD
 138
 139 ifneq ($(CONFIG_REGULATOR),)
 140   obj-$(CONFIG_LTTNG) += lttng-probe-regulator.o
 141 endif # CONFIG_REGULATOR
 142
 143 ifneq ($(CONFIG_SCSI),)
 144   obj-$(CONFIG_LTTNG) += lttng-probe-scsi.o
 145 endif # CONFIG_SCSI
 146
 147 obj-$(CONFIG_LTTNG) += lttng-probe-vmscan.o
 148
 149 # lock probe does not work, so disabling it for now
 150 #ifneq ($(CONFIG_LOCKDEP),)
 151 #  obj-$(CONFIG_LTTNG) += lttng-probe-lock.o
 152 #endif # CONFIG_LOCKDEP
 153
 154 ifneq ($(CONFIG_BTRFS_FS),)
 155   btrfs_dep = $(srctree)/fs/btrfs/*.h
 156   ifneq ($(wildcard $(btrfs_dep)),)
 157     obj-$(CONFIG_LTTNG) += lttng-probe-btrfs.o
 158   else
 159     $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
 160   endif # $(wildcard $(btrfs_dep))
 161 endif # CONFIG_BTRFS_FS
 162
 163 ifneq ($(CONFIG_COMPACTION),)
 164   # A dependency on internal header 'mm/internal.h' was introduced in v5.18
 165   compaction_dep = $(srctree)/mm/internal.h
 166   compaction_dep_wildcard = $(wildcard $(compaction_dep))
 167   compaction_dep_check = $(shell \
 168   if [ \( $(VERSION) -ge 6 \
 169      -o \( $(VERSION) -eq 5 -a $(PATCHLEVEL) -ge 18 \) \) -a \
 170      -z "$(compaction_dep_wildcard)" ] ; then \
 171     echo "warn" ; \
 172   else \
 173     echo "ok" ; \
 174   fi ;)
 175   ifeq ($(compaction_dep_check),ok)
 176     obj-$(CONFIG_LTTNG) += lttng-probe-compaction.o
 177   else
 178     $(warning Files $(compaction_dep) not found. Probe "compaction" is disabled. Use full kernel source tree to enable it.)
 179   endif # $(wildcard $(compaction_dep))
 180 endif # CONFIG_COMPACTION
 181
 182 ifneq ($(CONFIG_EXT4_FS),)
 183   ext4_dep = $(srctree)/fs/ext4/*.h
 184   ifneq ($(wildcard $(ext4_dep)),)
 185     obj-$(CONFIG_LTTNG) += lttng-probe-ext4.o
 186   else
 187     $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
 188   endif # $(wildcard $(ext4_dep))
 189 endif # CONFIG_EXT4_FS
 190
 191 obj-$(CONFIG_LTTNG) += lttng-probe-printk.o
 192
 193 ifneq ($(CONFIG_FRAME_WARN),0)
 194   CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 195 endif
 196
 197 # Introduced in v3.6, remove in v5.18
 198 random_dep = $(srctree)/include/trace/events/random.h
 199 ifneq ($(wildcard $(random_dep)),)
 200   obj-$(CONFIG_LTTNG) += lttng-probe-random.o
 201 endif
 202
 203 obj-$(CONFIG_LTTNG) += lttng-probe-rcu.o
 204
 205 ifneq ($(CONFIG_REGMAP),)
 206   regmap_dep = $(srctree)/drivers/base/regmap/trace.h
 207   ifneq ($(wildcard $(regmap_dep)),)
 208     obj-$(CONFIG_LTTNG) += lttng-probe-regmap.o
 209   else
 210     $(warning File $(regmap_dep) not found. Probe "regmap" is disabled. Use full kernel source tree to enable it.)
 211   endif # $(wildcard $(regmap_dep)),
 212 endif # CONFIG_REGMAP
 213
 214 ifneq ($(CONFIG_PM_RUNTIME),)
 215   obj-$(CONFIG_LTTNG) += lttng-probe-rpm.o
 216 endif # CONFIG_PM_RUNTIME
 217
 218 ifneq ($(CONFIG_SUNRPC),)
 219   obj-$(CONFIG_LTTNG) += lttng-probe-sunrpc.o
 220 endif # CONFIG_SUNRPC
 221
 222 ifneq ($(CONFIG_VIDEO_V4L2),)
 223   obj-$(CONFIG_LTTNG) += lttng-probe-v4l2.o
 224 endif # CONFIG_VIDEO_V4L2
 225
 226 obj-$(CONFIG_LTTNG) += lttng-probe-workqueue.o
 227
 228 ifneq ($(CONFIG_KALLSYMS_ALL),)
 229   obj-$(CONFIG_LTTNG) += lttng-probe-writeback.o
 230 else
 231   ifdef CONFIG_LOCALVERSION # Check if dot-config is included.
 232     $(warning CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem.)
 233   endif
 234 endif # CONFIG_KALLSYMS_ALL
 235
 236 ifneq ($(CONFIG_KPROBES),)
 237   obj-$(CONFIG_LTTNG) += lttng-kprobes.o
 238 endif # CONFIG_KPROBES
 239
 240 ifneq ($(CONFIG_UPROBES),)
 241   obj-$(CONFIG_LTTNG) += lttng-uprobes.o
 242 endif # CONFIG_UPROBES
 243
 244 ifneq ($(CONFIG_KRETPROBES),)
 245   obj-$(CONFIG_LTTNG) += lttng-kretprobes.o
 246 endif # CONFIG_KRETPROBES
 247
 248 ifneq ($(CONFIG_PREEMPTIRQ_EVENTS),)
 249   obj-$(CONFIG_LTTNG) += lttng-probe-preemptirq.o
 250 endif # CONFIG_PREEMPTIRQ_EVENTS
 251
 252 # vim:syntax=make