src/Kbuild

   1 # SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
   2
   3 ifdef CONFIG_LOCALVERSION       # Check if dot-config is included.
   4   ifeq ($(CONFIG_TRACEPOINTS),)
   5     $(error The option CONFIG_TRACEPOINTS needs to be enabled in your kernel configuration)
   6   endif # CONFIG_TRACEPOINTS
   7 endif # ifdef CONFIG_LOCALVERSION
   8
   9 TOP_LTTNG_MODULES_DIR := $(shell dirname $(lastword $(MAKEFILE_LIST)))/..
  10
  11 lttng_check_linux_version = $(shell pwd)/include/linux/version.h
  12 lttng_check_generated_linux_version = $(shell pwd)/include/generated/uapi/linux/version.h
  13
  14 #
  15 # Check for stale version.h, which can be a leftover from an old Linux
  16 # kernel tree moved to a newer kernel version, only pruned by make
  17 # distclean.
  18 #
  19 ifneq ($(wildcard $(lttng_check_linux_version)),)
  20   ifneq ($(wildcard $(lttng_check_generated_linux_version)),)
  21     $(error Duplicate version.h files found in $(lttng_check_linux_version) and $(lttng_check_generated_linux_version). Consider running make distclean on your kernel, or removing the stale $(lttng_check_linux_version) file)
  22   endif
  23 endif
  24
  25 include $(TOP_LTTNG_MODULES_DIR)/src/Kbuild.common
  26
  27 ccflags-y += -I$(TOP_LTTNG_MODULES_DIR)/include
  28
  29 obj-$(CONFIG_LTTNG) += lttng-ring-buffer-client-discard.o
  30 obj-$(CONFIG_LTTNG) += lttng-ring-buffer-client-overwrite.o
  31 obj-$(CONFIG_LTTNG) += lttng-ring-buffer-metadata-client.o
  32 obj-$(CONFIG_LTTNG) += lttng-ring-buffer-client-mmap-discard.o
  33 obj-$(CONFIG_LTTNG) += lttng-ring-buffer-client-mmap-overwrite.o
  34 obj-$(CONFIG_LTTNG) += lttng-ring-buffer-metadata-mmap-client.o
  35 obj-$(CONFIG_LTTNG) += lttng-ring-buffer-event-notifier-client.o
  36
  37 obj-$(CONFIG_LTTNG) += lttng-counter-client-percpu-32-modular.o
  38 ifneq ($CONFIG_64BIT),)
  39         obj-$(CONFIG_LTTNG) += lttng-counter-client-percpu-64-modular.o
  40 endif # CONFIG_64BIT
  41
  42 obj-$(CONFIG_LTTNG) += lttng-clock.o
  43
  44 obj-$(CONFIG_LTTNG) += lttng-tracer.o
  45
  46 obj-$(CONFIG_LTTNG) += lttng-wrapper.o
  47
  48 lttng-tracer-objs := lib/msgpack/msgpack.o \
  49                      lttng-events.o lttng-abi.o lttng-string-utils.o \
  50                      lttng-probes.o lttng-context.o \
  51                      lttng-context-pid.o lttng-context-procname.o \
  52                      lttng-context-prio.o lttng-context-nice.o \
  53                      lttng-context-vpid.o lttng-context-tid.o \
  54                      lttng-context-vtid.o lttng-context-ppid.o \
  55                      lttng-context-vppid.o lttng-context-cpu-id.o \
  56                      lttng-context-uid.o \
  57                      lttng-context-euid.o \
  58                      lttng-context-suid.o \
  59                      lttng-context-gid.o \
  60                      lttng-context-egid.o \
  61                      lttng-context-sgid.o \
  62                      lttng-context-vuid.o \
  63                      lttng-context-veuid.o \
  64                      lttng-context-vsuid.o \
  65                      lttng-context-vgid.o \
  66                      lttng-context-vegid.o \
  67                      lttng-context-vsgid.o \
  68                      lttng-context-interruptible.o \
  69                      lttng-context-need-reschedule.o \
  70                      lttng-calibrate.o \
  71                      lttng-context-hostname.o \
  72                      lttng-context-callstack.o \
  73                      probes/lttng.o \
  74                      lttng-tracker-id.o \
  75                      lttng-bytecode.o lttng-bytecode-interpreter.o \
  76                      lttng-bytecode-specialize.o \
  77                      lttng-bytecode-validator.o \
  78                      probes/lttng-probe-user.o \
  79                      lttng-tp-mempool.o \
  80                      lttng-event-notifier-notification.o
  81
  82 lttng-wrapper-objs := wrapper/page_alloc.o \
  83                       wrapper/random.o \
  84                       wrapper/trace-clock.o \
  85                       wrapper/kallsyms.o \
  86                       wrapper/irqdesc.o \
  87                       wrapper/fdtable.o \
  88                       wrapper/genhd.o \
  89                       lttng-wrapper-impl.o
  90
  91 ifneq ($(CONFIG_HAVE_SYSCALL_TRACEPOINTS),)
  92   lttng-tracer-objs += lttng-syscalls.o
  93   lttng-tracer-objs += lttng-syscalls-entry-table.o
  94   lttng-tracer-objs += lttng-syscalls-entry-compat-table.o
  95   lttng-tracer-objs += lttng-syscalls-exit-table.o
  96   lttng-tracer-objs += lttng-syscalls-exit-compat-table.o
  97   lttng-tracer-objs += lttng-syscalls-enum.o
  98 endif # CONFIG_HAVE_SYSCALL_TRACEPOINTS
  99
 100 ifneq ($(CONFIG_PERF_EVENTS),)
 101   lttng-tracer-objs += lttng-context-perf-counters.o
 102 endif # CONFIG_PERF_EVENTS
 103
 104 ifneq ($(CONFIG_PREEMPT_RT_FULL),)
 105   lttng-tracer-objs += lttng-context-migratable.o
 106   lttng-tracer-objs += lttng-context-preemptible.o
 107 endif # CONFIG_PREEMPT_RT_FULL
 108
 109 ifneq ($(CONFIG_PREEMPT),)
 110   lttng-tracer-objs += lttng-context-preemptible.o
 111 endif
 112
 113 lttng-tracer-objs += $(shell \
 114   if [ $(VERSION) -ge 4 \
 115     -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 15 \) ] ; then \
 116     echo "lttng-tracepoint.o" ; fi;)
 117
 118 lttng-tracer-objs += lttng-context-cgroup-ns.o
 119
 120 ifneq ($(CONFIG_IPC_NS),)
 121   lttng-tracer-objs += lttng-context-ipc-ns.o
 122 endif
 123
 124 ifneq ($(wildcard $(mnt_ns_dep)),)
 125    lttng-tracer-objs += lttng-context-mnt-ns.o
 126 endif
 127
 128 ifneq ($(CONFIG_NET_NS),)
 129   lttng-tracer-objs += lttng-context-net-ns.o
 130 endif
 131
 132 ifneq ($(CONFIG_PID_NS),)
 133   lttng-tracer-objs += lttng-context-pid-ns.o
 134 endif
 135
 136 ifneq ($(CONFIG_USER_NS),)
 137   lttng-tracer-objs += lttng-context-user-ns.o
 138 endif
 139
 140 ifneq ($(CONFIG_UTS_NS),)
 141   lttng-tracer-objs += lttng-context-uts-ns.o
 142 endif
 143
 144 ifneq ($(CONFIG_TIME_NS),)
 145   lttng-tracer-objs += lttng-context-time-ns.o
 146 endif
 147
 148 obj-$(CONFIG_LTTNG) += lttng-statedump.o
 149 lttng-statedump-objs := lttng-statedump-impl.o
 150
 151 obj-$(CONFIG_LTTNG) += probes/
 152 obj-$(CONFIG_LTTNG) += lib/
 153 obj-$(CONFIG_LTTNG) += tests/