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linux/samples/Makefile

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samples: guard sub-directories with CONFIG options Do not descend to sub-directories when unneeded. I used subdir-$(CONFIG_...) for hidraw, seccomp, and vfs because they only contain host programs. While we are here, let's add SPDX License tag, and sort the directories alphabetically. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-05-09 01:00:19 +00:00
# SPDX-License-Identifier: GPL-2.0
Linux Kernel Markers - Samples Module example showing how to use the Linux Kernel Markers. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19 06:41:08 +00:00
# Makefile for Linux samples code
objtool: Skip samples subdirectory The code in the 'samples' subdirectory isn't part of the kernel, so there's no need to validate it. Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/c4cb4ef635ec606454ab834cb49fc3e9381fb1b1.1579543924.git.jpoimboe@redhat.com
2020-01-20 18:14:09 +00:00
OBJECT_FILES_NON_STANDARD := y
Linux Kernel Markers - Samples Module example showing how to use the Linux Kernel Markers. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19 06:41:08 +00:00
samples: guard sub-directories with CONFIG options Do not descend to sub-directories when unneeded. I used subdir-$(CONFIG_...) for hidraw, seccomp, and vfs because they only contain host programs. While we are here, let's add SPDX License tag, and sort the directories alphabetically. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-05-09 01:00:19 +00:00
obj-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs/
obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs/
obj-$(CONFIG_SAMPLE_CONNECTOR) += connector/
kbuild: add CONFIG_HEADERS_INSTALL and loosen the dependency of samples Commit 5318321d367c ("samples: disable CONFIG_SAMPLES for UML") used a big hammer to fix the build errors under the samples/ directory. Only some samples actually include uapi headers from usr/include. Introduce CONFIG_HEADERS_INSTALL since 'depends on HEADERS_INSTALL' is clearer than 'depends on !UML'. If this option is enabled, uapi headers are installed before starting directory descending. I added 'depends on HEADERS_INSTALL' to per-sample CONFIG options. This allows UML to compile some samples. $ make ARCH=um allmodconfig samples/ [ snip ] CC [M] samples/configfs/configfs_sample.o CC [M] samples/kfifo/bytestream-example.o CC [M] samples/kfifo/dma-example.o CC [M] samples/kfifo/inttype-example.o CC [M] samples/kfifo/record-example.o CC [M] samples/kobject/kobject-example.o CC [M] samples/kobject/kset-example.o CC [M] samples/trace_events/trace-events-sample.o CC [M] samples/trace_printk/trace-printk.o AR samples/vfio-mdev/built-in.a AR samples/built-in.a Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-06-04 10:13:59 +00:00
subdir-$(CONFIG_SAMPLE_HIDRAW) += hidraw
samples: guard sub-directories with CONFIG options Do not descend to sub-directories when unneeded. I used subdir-$(CONFIG_...) for hidraw, seccomp, and vfs because they only contain host programs. While we are here, let's add SPDX License tag, and sort the directories alphabetically. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-05-09 01:00:19 +00:00
obj-$(CONFIG_SAMPLE_HW_BREAKPOINT) += hw_breakpoint/
obj-$(CONFIG_SAMPLE_KDB) += kdb/
obj-$(CONFIG_SAMPLE_KFIFO) += kfifo/
obj-$(CONFIG_SAMPLE_KOBJECT) += kobject/
obj-$(CONFIG_SAMPLE_KPROBES) += kprobes/
obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch/
kbuild: add CONFIG_HEADERS_INSTALL and loosen the dependency of samples Commit 5318321d367c ("samples: disable CONFIG_SAMPLES for UML") used a big hammer to fix the build errors under the samples/ directory. Only some samples actually include uapi headers from usr/include. Introduce CONFIG_HEADERS_INSTALL since 'depends on HEADERS_INSTALL' is clearer than 'depends on !UML'. If this option is enabled, uapi headers are installed before starting directory descending. I added 'depends on HEADERS_INSTALL' to per-sample CONFIG options. This allows UML to compile some samples. $ make ARCH=um allmodconfig samples/ [ snip ] CC [M] samples/configfs/configfs_sample.o CC [M] samples/kfifo/bytestream-example.o CC [M] samples/kfifo/dma-example.o CC [M] samples/kfifo/inttype-example.o CC [M] samples/kfifo/record-example.o CC [M] samples/kobject/kobject-example.o CC [M] samples/kobject/kset-example.o CC [M] samples/trace_events/trace-events-sample.o CC [M] samples/trace_printk/trace-printk.o AR samples/vfio-mdev/built-in.a AR samples/built-in.a Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-06-04 10:13:59 +00:00
subdir-$(CONFIG_SAMPLE_PIDFD) += pidfd
samples: guard sub-directories with CONFIG options Do not descend to sub-directories when unneeded. I used subdir-$(CONFIG_...) for hidraw, seccomp, and vfs because they only contain host programs. While we are here, let's add SPDX License tag, and sort the directories alphabetically. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-05-09 01:00:19 +00:00
obj-$(CONFIG_SAMPLE_QMI_CLIENT) += qmi/
obj-$(CONFIG_SAMPLE_RPMSG_CLIENT) += rpmsg/
subdir-$(CONFIG_SAMPLE_SECCOMP) += seccomp
obj-$(CONFIG_SAMPLE_TRACE_EVENTS) += trace_events/
obj-$(CONFIG_SAMPLE_TRACE_PRINTK) += trace_printk/
ftrace: Add sample module that uses register_ftrace_direct() Add a sample module that shows a simple use case for regsiter_ftrace_direct(), and how to use it. Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-11-08 18:12:33 +00:00
obj-$(CONFIG_SAMPLE_FTRACE_DIRECT) += ftrace/
tracing: Sample module to demonstrate kernel access to Ftrace instances. This is a sample module to demonstrate the use of the newly introduced and exported APIs to access Ftrace instances from within the kernel. Newly introduced APIs used here - 1. Create/Lookup a trace array with the given name. struct trace_array *trace_array_get_by_name(const char *name) 2. Destroy/Remove a trace array. int trace_array_destroy(struct trace_array *tr) 4. Enable/Disable trace events: int trace_array_set_clr_event(struct trace_array *tr, const char *system, const char *event, bool enable); Exported APIs - 1. trace_printk equivalent for instances. int trace_array_printk(struct trace_array *tr, unsigned long ip, const char *fmt, ...); 2. Helper function. void trace_printk_init_buffers(void); 3. To decrement the reference counter. void trace_array_put(struct trace_array *tr) Sample output(contents of /sys/kernel/tracing/instances/sample-instance) NOTE: Tracing disabled after ~5 sec) _-----=> irqs-off / _----=> need-resched | / _---=> hardirq/softirq || / _--=> preempt-depth ||| / delay TASK-PID CPU# |||| TIMESTAMP FUNCTION | | | |||| | | sample-instance-1452 [002] .... 49.430948: simple_thread: trace_array_printk: count=0 sample-instance-1452 [002] .... 49.430951: sample_event: count value=0 at jiffies=4294716608 sample-instance-1452 [002] .... 50.454847: simple_thread: trace_array_printk: count=1 sample-instance-1452 [002] .... 50.454849: sample_event: count value=1 at jiffies=4294717632 sample-instance-1452 [002] .... 51.478748: simple_thread: trace_array_printk: count=2 sample-instance-1452 [002] .... 51.478750: sample_event: count value=2 at jiffies=4294718656 sample-instance-1452 [002] .... 52.502652: simple_thread: trace_array_printk: count=3 sample-instance-1452 [002] .... 52.502655: sample_event: count value=3 at jiffies=4294719680 sample-instance-1452 [002] .... 53.526533: simple_thread: trace_array_printk: count=4 sample-instance-1452 [002] .... 53.526535: sample_event: count value=4 at jiffies=4294720704 sample-instance-1452 [002] .... 54.550438: simple_thread: trace_array_printk: count=5 sample-instance-1452 [002] .... 55.574336: simple_thread: trace_array_printk: count=6 Link: http://lkml.kernel.org/r/1574276919-11119-3-git-send-email-divya.indi@oracle.com Reviewed-by: Aruna Ramakrishna <aruna.ramakrishna@oracle.com> Signed-off-by: Divya Indi <divya.indi@oracle.com> [ Moved to samples/ftrace ] Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-11-20 19:08:39 +00:00
obj-$(CONFIG_SAMPLE_TRACE_ARRAY) += ftrace/
samples: guard sub-directories with CONFIG options Do not descend to sub-directories when unneeded. I used subdir-$(CONFIG_...) for hidraw, seccomp, and vfs because they only contain host programs. While we are here, let's add SPDX License tag, and sort the directories alphabetically. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-05-09 01:00:19 +00:00
obj-$(CONFIG_VIDEO_PCI_SKELETON) += v4l/
obj-y += vfio-mdev/
subdir-$(CONFIG_SAMPLE_VFS) += vfs
samples: mei: use hostprogs kbuild constructs Use hostprogs kbuild constructs to compile mei sample program mei-amt-version Add CONFIG_SAMPLE_INTEL_MEI option to enable/disable the feature. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20191010132710.4075-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-10-10 13:27:10 +00:00
obj-$(CONFIG_SAMPLE_INTEL_MEI) += mei/
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