1 # SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
3 ifneq ($(KERNELRELEASE
),)
5 # This part of the Makefile is used when called by the kernel build system
6 # and defines the modules to be built.
8 ifdef CONFIG_LOCALVERSION
# Check if dot-config is included.
9 ifeq ($(CONFIG_TRACEPOINTS
),)
10 $(error The option CONFIG_TRACEPOINTS needs to be enabled in your kernel configuration
)
11 endif # CONFIG_TRACEPOINTS
12 endif # ifdef CONFIG_LOCALVERSION
14 TOP_LTTNG_MODULES_DIR
:= $(shell dirname
$(lastword
$(MAKEFILE_LIST
)))
16 lttng_check_linux_version
= $(shell pwd
)/include/linux
/version.h
17 lttng_check_generated_linux_version
= $(shell pwd
)/include/generated
/uapi
/linux
/version.h
20 # Check for stale version.h, which can be a leftover from an old Linux
21 # kernel tree moved to a newer kernel version, only pruned by make
24 ifneq ($(wildcard $(lttng_check_linux_version
)),)
25 ifneq ($(wildcard $(lttng_check_generated_linux_version
)),)
26 $(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
)
30 include $(TOP_LTTNG_MODULES_DIR
)/Kbuild.common
32 ccflags-y
+= -I
$(TOP_LTTNG_MODULES_DIR
)
34 obj-
$(CONFIG_LTTNG
) += lttng-ring-buffer-client-discard.o
35 obj-
$(CONFIG_LTTNG
) += lttng-ring-buffer-client-overwrite.o
36 obj-
$(CONFIG_LTTNG
) += lttng-ring-buffer-metadata-client.o
37 obj-
$(CONFIG_LTTNG
) += lttng-ring-buffer-client-mmap-discard.o
38 obj-
$(CONFIG_LTTNG
) += lttng-ring-buffer-client-mmap-overwrite.o
39 obj-
$(CONFIG_LTTNG
) += lttng-ring-buffer-metadata-mmap-client.o
40 obj-
$(CONFIG_LTTNG
) += lttng-clock.o
42 obj-
$(CONFIG_LTTNG
) += lttng-tracer.o
44 obj-
$(CONFIG_LTTNG
) += lttng-wrapper.o
46 lttng-tracer-objs
:= lttng-events.o lttng-abi.o lttng-string-utils.o \
47 lttng-probes.o lttng-context.o \
48 lttng-context-pid.o lttng-context-procname.o \
49 lttng-context-prio.o lttng-context-nice.o \
50 lttng-context-vpid.o lttng-context-tid.o \
51 lttng-context-vtid.o lttng-context-ppid.o \
52 lttng-context-vppid.o lttng-context-cpu-id.o \
54 lttng-context-euid.o \
55 lttng-context-suid.o \
57 lttng-context-egid.o \
58 lttng-context-sgid.o \
59 lttng-context-vuid.o \
60 lttng-context-veuid.o \
61 lttng-context-vsuid.o \
62 lttng-context-vgid.o \
63 lttng-context-vegid.o \
64 lttng-context-vsgid.o \
65 lttng-context-interruptible.o \
66 lttng-context-need-reschedule.o \
67 lttng-context-callstack.o lttng-calibrate.o \
68 lttng-context-hostname.o \
71 lttng-filter.o lttng-filter-interpreter.o \
72 lttng-filter-specialize.o \
73 lttng-filter-validator.o \
74 probes
/lttng-probe-user.o \
77 lttng-wrapper-objs
:= wrapper
/page_alloc.o \
79 wrapper
/trace-clock.o \
86 ifneq ($(CONFIG_HAVE_SYSCALL_TRACEPOINTS
),)
87 lttng-tracer-objs
+= lttng-syscalls.o
88 endif # CONFIG_HAVE_SYSCALL_TRACEPOINTS
90 ifneq ($(CONFIG_PERF_EVENTS
),)
91 lttng-tracer-objs
+= lttng-context-perf-counters.o
92 endif # CONFIG_PERF_EVENTS
94 ifneq ($(CONFIG_PREEMPT_RT_FULL
),)
95 lttng-tracer-objs
+= lttng-context-migratable.o
96 lttng-tracer-objs
+= lttng-context-preemptible.o
97 endif # CONFIG_PREEMPT_RT_FULL
99 ifneq ($(CONFIG_PREEMPT
),)
100 lttng-tracer-objs
+= lttng-context-preemptible.o
103 lttng-tracer-objs
+= $(shell \
104 if
[ $(VERSION
) -ge
4 \
105 -o \
( $(VERSION
) -eq
3 -a
$(PATCHLEVEL
) -ge
15 \
) ] ; then \
106 echo
"lttng-tracepoint.o" ; fi
;)
108 lttng-tracer-objs
+= lttng-context-cgroup-ns.o
110 ifneq ($(CONFIG_IPC_NS
),)
111 lttng-tracer-objs
+= lttng-context-ipc-ns.o
114 ifneq ($(wildcard $(mnt_ns_dep
)),)
115 lttng-tracer-objs
+= lttng-context-mnt-ns.o
118 ifneq ($(CONFIG_NET_NS
),)
119 lttng-tracer-objs
+= lttng-context-net-ns.o
122 ifneq ($(CONFIG_PID_NS
),)
123 lttng-tracer-objs
+= lttng-context-pid-ns.o
126 ifneq ($(CONFIG_USER_NS
),)
127 lttng-tracer-objs
+= lttng-context-user-ns.o
130 ifneq ($(CONFIG_UTS_NS
),)
131 lttng-tracer-objs
+= lttng-context-uts-ns.o
134 obj-
$(CONFIG_LTTNG
) += lttng-statedump.o
135 lttng-statedump-objs
:= lttng-statedump-impl.o
137 obj-
$(CONFIG_LTTNG
) += probes
/
138 obj-
$(CONFIG_LTTNG
) += lib
/
139 obj-
$(CONFIG_LTTNG
) += tests
/
143 # This part of the Makefile is used when the 'make' command is runned in the
144 # base directory of the lttng-modules sources. It sets some environment and
145 # calls the kernel build system to build the actual modules.
147 KERNELDIR ?
= /lib
/modules
/$(shell uname
-r
)/build
149 CFLAGS
= $(EXTCFLAGS
)
154 $(MAKE
) -C
$(KERNELDIR
) M
=$(PWD
) CONFIG_LTTNG
=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST
=m modules
157 $(MAKE
) -C
$(KERNELDIR
) M
=$(PWD
) CONFIG_LTTNG
=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST
=m modules_install
160 $(MAKE
) -C
$(KERNELDIR
) M
=$(PWD
) clean
163 $(MAKE
) -C
$(KERNELDIR
) M
=$(PWD
) CONFIG_LTTNG
=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST
=m
$@
165 endif # KERNELRELEASE