probes/Makefile

   1 #
   2 # Makefile for the LTT probes.
   3 # Only build from the package top-level directory. Never use with make directly.
   4
   5 ifneq ($(KERNELRELEASE),)
   6 ifneq ($(CONFIG_TRACEPOINTS),)
   7
   8 ccflags-y += -I$(PWD)/probes
   9 obj-m += lttng-types.o
  10
  11 obj-m += lttng-probe-sched.o
  12 obj-m += lttng-probe-irq.o
  13 obj-m += lttng-probe-timer.o
  14 obj-m += lttng-probe-kmem.o
  15 obj-m += lttng-probe-module.o
  16 obj-m += lttng-probe-power.o
  17
  18 obj-m += lttng-probe-statedump.o
  19
  20 ifneq ($(CONFIG_KVM),)
  21 obj-m += lttng-probe-kvm.o
  22 endif
  23
  24 obj-m +=  $(shell \
  25         if [ $(VERSION) -ge 3 \
  26                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
  27                 echo "lttng-probe-signal.o" ; fi;)
  28
  29 ifneq ($(CONFIG_BLOCK),)
  30 ifneq ($(CONFIG_EVENT_TRACING),)        # need blk_cmd_buf_len
  31 obj-m += lttng-probe-block.o
  32 endif
  33 endif
  34
  35 ifneq ($(CONFIG_NET),)
  36 obj-m += lttng-probe-napi.o
  37 obj-m += lttng-probe-skb.o
  38 obj-m +=  $(shell \
  39         if [ $(VERSION) -ge 3 \
  40                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 37 \) ] ; then \
  41                 echo "lttng-probe-net.o" ; fi;)
  42 obj-m +=  $(shell \
  43         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  44                 echo "lttng-probe-sock.o" ; fi;)
  45 obj-m +=  $(shell \
  46         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  47                 echo "lttng-probe-udp.o" ; fi;)
  48 endif
  49
  50 ifneq ($(CONFIG_SND_SOC),)
  51 obj-m +=  $(shell \
  52         if [ $(VERSION) -ge 3 \
  53                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  54                 echo "lttng-probe-asoc.o" ; fi;)
  55 endif
  56
  57 ifneq ($(CONFIG_EXT3_FS),)
  58 ext3_dep = $(srctree)/fs/ext3/*.h
  59 ext3_dep_check = $(wildcard $(ext3_dep))
  60 ext3 = $(shell \
  61         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  62                 if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 -a \
  63                         -z "$(ext3_dep_check)" ] ; then \
  64                         echo "warn" ; \
  65                         exit ; \
  66                 fi; \
  67                 echo "lttng-probe-ext3.o" ; \
  68         fi;)
  69 ifeq ($(ext3),warn)
  70 $(warning Files $(ext3_dep) not found. Probe "ext3" is disabled. Use full kernel source tree to enable it.)
  71 ext3 =
  72 endif
  73 obj-m += $(ext3)
  74 endif
  75
  76 ifneq ($(CONFIG_GPIOLIB),)
  77 obj-m +=  $(shell \
  78         if [ $(VERSION) -ge 3 ] ; then \
  79                 echo "lttng-probe-gpio.o" ; fi;)
  80 endif
  81
  82 ifneq ($(CONFIG_JBD2),)
  83 obj-m += lttng-probe-jbd2.o
  84 endif
  85
  86 ifneq ($(CONFIG_JBD),)
  87 obj-m +=  $(shell \
  88         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
  89                 echo "lttng-probe-jbd.o" ; fi;)
  90 endif
  91
  92 ifneq ($(CONFIG_REGULATOR),)
  93 obj-m +=  $(shell \
  94         if [ $(VERSION) -ge 3 \
  95                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
  96                 echo "lttng-probe-regulator.o" ; fi;)
  97 endif
  98
  99 ifneq ($(CONFIG_SCSI),)
 100 obj-m +=  $(shell \
 101         if [ $(VERSION) -ge 3 \
 102                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 35 \) ] ; then \
 103                 echo "lttng-probe-scsi.o" ; fi;)
 104 endif
 105
 106 vmscan = $(shell \
 107         if [ $(VERSION) -ge 3 \
 108                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 109                 echo "lttng-probe-vmscan.o" ; fi;)
 110 ifneq ($(CONFIG_SWAP),)
 111         obj-m += $(vmscan)
 112 else
 113 ifneq ($(CONFIG_CGROUP_MEM_RES_CTLR),)
 114         obj-m += $(vmscan)
 115 endif
 116 endif
 117
 118 # lock probe does not work, so disabling it for now
 119 #ifneq ($(CONFIG_LOCKDEP),)
 120 #obj-m += lttng-probe-lock.o
 121 #endif
 122
 123 ifneq ($(CONFIG_BTRFS_FS),)
 124 btrfs_dep = $(srctree)/fs/btrfs/*.h
 125 btrfs = $(shell \
 126         if [ $(VERSION) -ge 3 \
 127                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 39 \) ] ; then \
 128                 echo "lttng-probe-btrfs.o" ; fi;)
 129 ifneq ($(btrfs),)
 130 ifeq ($(wildcard $(btrfs_dep)),)
 131 $(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
 132 btrfs =
 133 endif
 134 endif
 135 obj-m += $(btrfs)
 136 endif
 137
 138 obj-m +=  $(shell \
 139         if [ $(VERSION) -ge 3 \
 140                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
 141                 echo "lttng-probe-compaction.o" ; fi;)
 142
 143 ifneq ($(CONFIG_EXT4_FS),)
 144 ext4_dep = $(srctree)/fs/ext4/*.h
 145 ext4 = lttng-probe-ext4.o
 146 ifeq ($(wildcard $(ext4_dep)),)
 147 $(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
 148 ext4 =
 149 endif
 150 obj-m += $(ext4)
 151 endif
 152
 153 obj-m +=  $(shell \
 154         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 ] ; then \
 155                 echo "lttng-probe-printk.o" ; fi;)
 156 ifneq ($(CONFIG_FRAME_WARN),0)
 157 CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
 158 endif
 159
 160 obj-m +=  $(shell \
 161         if [ \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
 162                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
 163                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
 164                 -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
 165                 echo "lttng-probe-random.o" ; fi;)
 166
 167 obj-m +=  $(shell \
 168         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
 169                 echo "lttng-probe-rcu.o" ; fi;)
 170
 171 ifneq ($(CONFIG_REGMAP),)
 172 obj-m +=  $(shell \
 173         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
 174                 echo "lttng-probe-regmap.o" ; fi;)
 175 endif
 176
 177 ifneq ($(CONFIG_PM_RUNTIME),)
 178 obj-m +=  $(shell \
 179         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 ] ; then \
 180                 echo "lttng-probe-rpm.o" ; fi;)
 181 endif
 182
 183 ifneq ($(CONFIG_SUNRPC),)
 184 obj-m +=  $(shell \
 185         if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 ] ; then \
 186                 echo "lttng-probe-sunrpc.o" ; fi;)
 187 endif
 188
 189 obj-m += lttng-probe-workqueue.o
 190
 191 ifneq ($(CONFIG_KALLSYMS_ALL),)
 192 obj-m +=  $(shell \
 193         if [ $(VERSION) -ge 3 \
 194                 -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 36 \) ] ; then \
 195                 echo "lttng-probe-writeback.o" ; fi;)
 196 endif
 197
 198
 199 ifneq ($(CONFIG_KPROBES),)
 200 obj-m += lttng-kprobes.o
 201 endif
 202
 203
 204 ifneq ($(CONFIG_KRETPROBES),)
 205 obj-m += lttng-kretprobes.o
 206 endif
 207
 208 ifneq ($(CONFIG_DYNAMIC_FTRACE),)
 209 obj-m += lttng-ftrace.o
 210 endif
 211
 212 endif
 213
 214 else
 215         KERNELDIR ?= /lib/modules/$(shell uname -r)/build
 216         PWD := $(shell pwd)
 217         CFLAGS = $(EXTCFLAGS)
 218
 219 default:
 220         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
 221
 222 modules_install:
 223         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
 224         /sbin/depmod -a
 225
 226 clean:
 227         $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
 228
 229 endif