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