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1# SPDX-License-Identifier: GPL-2.0-only2menuconfig SAMPLES3 bool "Sample kernel code"4 help5 You can build and test sample kernel code here.6 7if SAMPLES8 9config SAMPLE_AUXDISPLAY10 bool "auxdisplay sample"11 depends on CC_CAN_LINK12 13config SAMPLE_TRACE_EVENTS14 tristate "Build trace_events examples -- loadable modules only"15 depends on EVENT_TRACING && m16 help17 This builds the trace event example module.18 19config SAMPLE_TRACE_CUSTOM_EVENTS20 tristate "Build custom trace event example -- loadable modules only"21 depends on EVENT_TRACING && m22 help23 This builds the custom trace event example module.24 25config SAMPLE_TRACE_PRINTK26 tristate "Build trace_printk module - tests various trace_printk formats"27 depends on EVENT_TRACING && m28 help29 This builds a module that calls trace_printk() and can be used to30 test various trace_printk() calls from a module.31 32config SAMPLE_FTRACE_DIRECT33 tristate "Build register_ftrace_direct() example"34 depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m35 depends on HAVE_SAMPLE_FTRACE_DIRECT36 help37 This builds an ftrace direct function example38 that hooks to wake_up_process and prints the parameters.39 40config SAMPLE_FTRACE_DIRECT_MULTI41 tristate "Build register_ftrace_direct() on multiple ips example"42 depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m43 depends on HAVE_SAMPLE_FTRACE_DIRECT_MULTI44 help45 This builds an ftrace direct function example46 that hooks to wake_up_process and schedule, and prints47 the function addresses.48 49config SAMPLE_FTRACE_OPS50 tristate "Build custom ftrace ops example"51 depends on FUNCTION_TRACER52 help53 This builds an ftrace ops example that hooks two functions and54 measures the time taken to invoke one function a number of times.55 56config SAMPLE_TRACE_ARRAY57 tristate "Build sample module for kernel access to Ftrace instancess"58 depends on EVENT_TRACING && m59 help60 This builds a module that demonstrates the use of various APIs to61 access Ftrace instances from within the kernel.62 63config SAMPLE_KOBJECT64 tristate "Build kobject examples"65 help66 This config option will allow you to build a number of67 different kobject sample modules showing how to use kobjects,68 ksets, and ktypes properly.69 70 If in doubt, say "N" here.71 72config SAMPLE_KPROBES73 tristate "Build kprobes examples -- loadable modules only"74 depends on KPROBES && m75 help76 This build several kprobes example modules.77 78config SAMPLE_KRETPROBES79 tristate "Build kretprobes example -- loadable modules only"80 default m81 depends on SAMPLE_KPROBES && KRETPROBES82 83config SAMPLE_HW_BREAKPOINT84 tristate "Build kernel hardware breakpoint examples -- loadable module only"85 depends on HAVE_HW_BREAKPOINT && m86 help87 This builds kernel hardware breakpoint example modules.88 89config SAMPLE_FPROBE90 tristate "Build fprobe examples -- loadable modules only"91 depends on FPROBE && m92 help93 This builds a fprobe example module. This module has an option 'symbol'.94 You can specify a probed symbol or symbols separated with ','.95 96config SAMPLE_KFIFO97 tristate "Build kfifo examples -- loadable modules only"98 depends on m99 help100 This config option will allow you to build a number of101 different kfifo sample modules showing how to use the102 generic kfifo API.103 104 If in doubt, say "N" here.105 106config SAMPLE_KDB107 tristate "Build kdb command example -- loadable modules only"108 depends on KGDB_KDB && m109 help110 Build an example of how to dynamically add the hello111 command to the kdb shell.112 113config SAMPLE_QMI_CLIENT114 tristate "Build qmi client sample -- loadable modules only"115 depends on m116 depends on ARCH_QCOM117 depends on NET118 select QCOM_QMI_HELPERS119 help120 Build an QMI client sample driver, which demonstrates how to121 communicate with a remote QRTR service, using QMI encoded messages.122 123config SAMPLE_RPMSG_CLIENT124 tristate "Build rpmsg client sample -- loadable modules only"125 depends on RPMSG && m126 help127 Build an rpmsg client sample driver, which demonstrates how128 to communicate with an AMP-configured remote processor over129 the rpmsg bus.130 131config SAMPLE_LIVEPATCH132 tristate "Build live patching samples -- loadable modules only"133 depends on LIVEPATCH && m134 help135 Build sample live patch demonstrations.136 137config SAMPLE_CONFIGFS138 tristate "Build configfs patching sample -- loadable modules only"139 depends on CONFIGFS_FS && m140 help141 Builds a sample configfs interface.142 143config SAMPLE_CONNECTOR144 tristate "Build connector sample -- loadable modules only"145 depends on CONNECTOR && HEADERS_INSTALL && m146 help147 When enabled, this builds both a sample kernel module for148 the connector interface and a user space tool to communicate149 with it.150 See also Documentation/driver-api/connector.rst151 152config SAMPLE_FANOTIFY_ERROR153 bool "Build fanotify error monitoring sample"154 depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL155 help156 When enabled, this builds an example code that uses the157 FAN_FS_ERROR fanotify mechanism to monitor filesystem158 errors.159 See also Documentation/admin-guide/filesystem-monitoring.rst.160 161config SAMPLE_HIDRAW162 bool "hidraw sample"163 depends on CC_CAN_LINK && HEADERS_INSTALL164 165config SAMPLE_LANDLOCK166 bool "Landlock example"167 depends on CC_CAN_LINK && HEADERS_INSTALL168 help169 Build a simple Landlock sandbox manager able to start a process170 restricted by a user-defined filesystem access control policy.171 172config SAMPLE_PIDFD173 bool "pidfd sample"174 depends on CC_CAN_LINK && HEADERS_INSTALL175 176config SAMPLE_SECCOMP177 bool "Build seccomp sample code"178 depends on SECCOMP_FILTER && CC_CAN_LINK && HEADERS_INSTALL179 help180 Build samples of seccomp filters using various methods of181 BPF filter construction.182 183config SAMPLE_TIMER184 bool "Timer sample"185 depends on CC_CAN_LINK && HEADERS_INSTALL186 187config SAMPLE_UHID188 bool "UHID sample"189 depends on CC_CAN_LINK && HEADERS_INSTALL190 help191 Build UHID sample program.192 193config SAMPLE_VFIO_MDEV_MTTY194 tristate "Build VFIO mtty example mediated device sample code"195 depends on VFIO196 select VFIO_MDEV197 help198 Build a virtual tty sample driver for use as a VFIO199 mediated device200 201config SAMPLE_VFIO_MDEV_MDPY202 tristate "Build VFIO mdpy example mediated device sample code"203 depends on VFIO204 select VFIO_MDEV205 help206 Build a virtual display sample driver for use as a VFIO207 mediated device. It is a simple framebuffer and supports208 the region display interface (VFIO_GFX_PLANE_TYPE_REGION).209 210config SAMPLE_VFIO_MDEV_MDPY_FB211 tristate "Build VFIO mdpy example guest fbdev driver"212 depends on FB213 select FB_IOMEM_HELPERS214 help215 Guest fbdev driver for the virtual display sample driver.216 217config SAMPLE_VFIO_MDEV_MBOCHS218 tristate "Build VFIO mbochs example mediated device sample code"219 depends on VFIO220 select VFIO_MDEV221 select DMA_SHARED_BUFFER222 help223 Build a virtual display sample driver for use as a VFIO224 mediated device. It supports the region display interface225 (VFIO_GFX_PLANE_TYPE_DMABUF).226 Emulate enough of qemu stdvga to make bochs-drm.ko happy.227 That is basically the vram memory bar and the bochs dispi228 interface vbe registers in the mmio register bar.229 Specifically it does *not* include any legacy vga stuff.230 Device looks a lot like "qemu -device secondary-vga".231 232config SAMPLE_ANDROID_BINDERFS233 bool "Build Android binderfs example"234 depends on CC_CAN_LINK && HEADERS_INSTALL235 help236 Builds a sample program to illustrate the use of the Android binderfs237 filesystem.238 239config SAMPLE_VFS240 bool "Build example programs that use new VFS system calls"241 depends on CC_CAN_LINK && HEADERS_INSTALL242 help243 Build example userspace programs that use new VFS system calls such244 as mount API and statx(). Note that this is restricted to the x86245 arch whilst it accesses system calls that aren't yet in all arches.246 247config SAMPLE_INTEL_MEI248 bool "Build example program working with intel mei driver"249 depends on INTEL_MEI250 depends on CC_CAN_LINK && HEADERS_INSTALL251 help252 Build a sample program to work with mei device.253 254config SAMPLE_TPS6594_PFSM255 bool "Build example program working with TPS6594 PFSM driver"256 depends on HEADERS_INSTALL257 depends on CC_CAN_LINK258 help259 Build a sample program to work with PFSM devices.260 261config SAMPLE_WATCHDOG262 bool "watchdog sample"263 depends on CC_CAN_LINK264 265config SAMPLE_WATCH_QUEUE266 bool "Build example watch_queue notification API consumer"267 depends on CC_CAN_LINK && HEADERS_INSTALL268 help269 Build example userspace program to use the new mount_notify(),270 sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function.271 272config SAMPLE_CORESIGHT_SYSCFG273 tristate "Build example loadable module for CoreSight config"274 depends on CORESIGHT && m275 help276 Build an example loadable module that adds new CoreSight features277 and configuration using the CoreSight system configuration API.278 This demonstrates how a user may create their own CoreSight279 configurations and easily load them into the system at runtime.280 281config SAMPLE_KMEMLEAK282 tristate "Simple test for the kernel memory leak detector"283 depends on DEBUG_KMEMLEAK && m284 help285 Build a sample program which have explicitly leaks memory to test286 kmemleak287 288config SAMPLE_CGROUP289 bool "Build cgroup sample code"290 depends on CGROUPS && CC_CAN_LINK && HEADERS_INSTALL291 help292 Build samples that demonstrate the usage of the cgroup API.293 294source "samples/rust/Kconfig"295 296endif # SAMPLES297 298config HAVE_SAMPLE_FTRACE_DIRECT299 bool300 301config HAVE_SAMPLE_FTRACE_DIRECT_MULTI302 bool303