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Diffstat (limited to 'samples/Kconfig')
| -rw-r--r-- | samples/Kconfig | 229 |
1 files changed, 203 insertions, 26 deletions
diff --git a/samples/Kconfig b/samples/Kconfig index ad1ec7016d4c..5bc7c9e5a59e 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -1,27 +1,67 @@ +# SPDX-License-Identifier: GPL-2.0-only menuconfig SAMPLES bool "Sample kernel code" - depends on !UML help You can build and test sample kernel code here. if SAMPLES +config SAMPLE_AUXDISPLAY + bool "auxdisplay sample" + depends on CC_CAN_LINK + config SAMPLE_TRACE_EVENTS tristate "Build trace_events examples -- loadable modules only" depends on EVENT_TRACING && m help - This build trace event example modules. + This builds the trace event example module. + +config SAMPLE_TRACE_CUSTOM_EVENTS + tristate "Build custom trace event example -- loadable modules only" + depends on EVENT_TRACING && m + help + This builds the custom trace event example module. config SAMPLE_TRACE_PRINTK - tristate "Build trace_printk module - tests various trace_printk formats" + tristate "Build trace_printk module - tests various trace_printk formats" + depends on EVENT_TRACING && m + help + This builds a module that calls trace_printk() and can be used to + test various trace_printk() calls from a module. + +config SAMPLE_FTRACE_DIRECT + tristate "Build register_ftrace_direct() example" + depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m + depends on HAVE_SAMPLE_FTRACE_DIRECT + help + This builds an ftrace direct function example + that hooks to wake_up_process and prints the parameters. + +config SAMPLE_FTRACE_DIRECT_MULTI + tristate "Build register_ftrace_direct() on multiple ips example" + depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m + depends on HAVE_SAMPLE_FTRACE_DIRECT_MULTI + help + This builds an ftrace direct function example + that hooks to wake_up_process and schedule, and prints + the function addresses. + +config SAMPLE_FTRACE_OPS + tristate "Build custom ftrace ops example" + depends on FUNCTION_TRACER + help + This builds an ftrace ops example that hooks two functions and + measures the time taken to invoke one function a number of times. + +config SAMPLE_TRACE_ARRAY + tristate "Build sample module for kernel access to Ftrace instances" depends on EVENT_TRACING && m help - This builds a module that calls trace_printk() and can be used to - test various trace_printk() calls from a module. + This builds a module that demonstrates the use of various APIs to + access Ftrace instances from within the kernel. config SAMPLE_KOBJECT - tristate "Build kobject examples -- loadable modules only" - depends on m + tristate "Build kobject examples" help This config option will allow you to build a number of different kobject sample modules showing how to use kobjects, @@ -46,6 +86,13 @@ config SAMPLE_HW_BREAKPOINT help This builds kernel hardware breakpoint example modules. +config SAMPLE_FPROBE + tristate "Build fprobe examples -- loadable modules only" + depends on FPROBE && m + help + This builds a fprobe example module. This module has an option 'symbol'. + You can specify a probed symbol or symbols separated with ','. + config SAMPLE_KFIFO tristate "Build kfifo examples -- loadable modules only" depends on m @@ -95,47 +142,93 @@ config SAMPLE_CONFIGFS config SAMPLE_CONNECTOR tristate "Build connector sample -- loadable modules only" - depends on CONNECTOR && m + depends on CONNECTOR && HEADERS_INSTALL && m help When enabled, this builds both a sample kernel module for the connector interface and a user space tool to communicate with it. - See also Documentation/connector/connector.txt + See also Documentation/driver-api/connector.rst + +config SAMPLE_FANOTIFY_ERROR + bool "Build fanotify error monitoring sample" + depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL + help + When enabled, this builds an example code that uses the + FAN_FS_ERROR fanotify mechanism to monitor filesystem + errors. + See also Documentation/admin-guide/filesystem-monitoring.rst. + +config SAMPLE_HIDRAW + bool "hidraw sample" + depends on CC_CAN_LINK && HEADERS_INSTALL + +config SAMPLE_LANDLOCK + bool "Landlock example" + depends on CC_CAN_LINK && HEADERS_INSTALL + help + Build a simple Landlock sandbox manager able to start a process + restricted by a user-defined filesystem access control policy. + +config SAMPLE_PIDFD + bool "pidfd sample" + depends on CC_CAN_LINK && HEADERS_INSTALL config SAMPLE_SECCOMP - tristate "Build seccomp sample code -- loadable modules only" - depends on SECCOMP_FILTER && m + bool "Build seccomp sample code" + depends on SECCOMP_FILTER && CC_CAN_LINK && HEADERS_INSTALL help Build samples of seccomp filters using various methods of BPF filter construction. +config SAMPLE_TIMER + bool "Timer sample" + depends on CC_CAN_LINK && HEADERS_INSTALL + +config SAMPLE_TSM_MR + tristate "TSM measurement sample" + select TSM_MEASUREMENTS + select VIRT_DRIVERS + help + Build a sample module that emulates MRs (Measurement Registers) and + exposes them to user mode applications through the TSM sysfs + interface (/sys/class/misc/tsm_mr_sample/emulated_mr/). + + The module name will be tsm-mr-sample when built as a module. + +config SAMPLE_UHID + bool "UHID sample" + depends on CC_CAN_LINK && HEADERS_INSTALL + help + Build UHID sample program. + config SAMPLE_VFIO_MDEV_MTTY - tristate "Build VFIO mtty example mediated device sample code -- loadable modules only" - depends on VFIO_MDEV_DEVICE && m + tristate "Build VFIO mtty example mediated device sample code" + depends on VFIO + select VFIO_MDEV help Build a virtual tty sample driver for use as a VFIO mediated device config SAMPLE_VFIO_MDEV_MDPY - tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only" - depends on VFIO_MDEV_DEVICE && m + tristate "Build VFIO mdpy example mediated device sample code" + depends on VFIO + select VFIO_MDEV help Build a virtual display sample driver for use as a VFIO mediated device. It is a simple framebuffer and supports the region display interface (VFIO_GFX_PLANE_TYPE_REGION). config SAMPLE_VFIO_MDEV_MDPY_FB - tristate "Build VFIO mdpy example guest fbdev driver -- loadable module only" - depends on FB && m - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT + tristate "Build VFIO mdpy example guest fbdev driver" + depends on FB + select FB_IOMEM_HELPERS help Guest fbdev driver for the virtual display sample driver. config SAMPLE_VFIO_MDEV_MBOCHS - tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only" - depends on VFIO_MDEV_DEVICE && m + tristate "Build VFIO mbochs example mediated device sample code" + depends on VFIO + select VFIO_MDEV select DMA_SHARED_BUFFER help Build a virtual display sample driver for use as a VFIO @@ -147,10 +240,94 @@ config SAMPLE_VFIO_MDEV_MBOCHS Specifically it does *not* include any legacy vga stuff. Device looks a lot like "qemu -device secondary-vga". -config SAMPLE_STATX - bool "Build example extended-stat using code" - depends on BROKEN +config SAMPLE_ANDROID_BINDERFS + bool "Build Android binderfs example" + depends on CC_CAN_LINK && HEADERS_INSTALL + help + Builds a sample program to illustrate the use of the Android binderfs + filesystem. + +config SAMPLE_VFS + bool "Build example programs that use new VFS system calls" + depends on CC_CAN_LINK && HEADERS_INSTALL + help + Build example userspace programs that use new VFS system calls such + as mount API and statx(). Note that this is restricted to the x86 + arch whilst it accesses system calls that aren't yet in all arches. + +config SAMPLE_INTEL_MEI + bool "Build example program working with intel mei driver" + depends on INTEL_MEI + depends on CC_CAN_LINK && HEADERS_INSTALL + help + Build a sample program to work with mei device. + +config SAMPLE_TPS6594_PFSM + bool "Build example program working with TPS6594 PFSM driver" + depends on HEADERS_INSTALL + depends on CC_CAN_LINK + help + Build a sample program to work with PFSM devices. + +config SAMPLE_WATCHDOG + bool "watchdog sample" + depends on CC_CAN_LINK + +config SAMPLE_WATCH_QUEUE + bool "Build example watch_queue notification API consumer" + depends on CC_CAN_LINK && HEADERS_INSTALL + help + Build example userspace program to use the new mount_notify(), + sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function. + +config SAMPLE_CORESIGHT_SYSCFG + tristate "Build example loadable module for CoreSight config" + depends on CORESIGHT && m help - Build example userspace program to use the new extended-stat syscall. + Build an example loadable module that adds new CoreSight features + and configuration using the CoreSight system configuration API. + This demonstrates how a user may create their own CoreSight + configurations and easily load them into the system at runtime. + +config SAMPLE_KMEMLEAK + tristate "Simple test for the kernel memory leak detector" + depends on DEBUG_KMEMLEAK && m + help + Build a sample program which have explicitly leaks memory to test + kmemleak. + +config SAMPLE_CGROUP + bool "Build cgroup sample code" + depends on CGROUPS && CC_CAN_LINK && HEADERS_INSTALL + help + Build samples that demonstrate the usage of the cgroup API. + +config SAMPLE_CHECK_EXEC + bool "Exec secure bits examples" + depends on CC_CAN_LINK && HEADERS_INSTALL + help + Build a tool to easily configure SECBIT_EXEC_RESTRICT_FILE and + SECBIT_EXEC_DENY_INTERACTIVE, and a simple script interpreter to + demonstrate how they should be used with execveat(2) + + AT_EXECVE_CHECK. + +config SAMPLE_HUNG_TASK + tristate "Hung task detector test code" + depends on DETECT_HUNG_TASK && DEBUG_FS + help + Build a module that provides debugfs files (e.g., mutex, semaphore, + rw_semaphore_read, rw_semaphore_write) under <debugfs>/hung_task. + Reading these files with multiple processes triggers hung task + detection by holding locks for a long time (256 seconds). + +source "samples/rust/Kconfig" + +source "samples/damon/Kconfig" endif # SAMPLES + +config HAVE_SAMPLE_FTRACE_DIRECT + bool + +config HAVE_SAMPLE_FTRACE_DIRECT_MULTI + bool |