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- Ftrace abstract "ftrace (abbreviated from Function Tracer) is a tracing framework for the Linux kernel. Although its original name, Function Tracer, came from ftrace's ability to record information related to various function calls performed while the kernel is running, ftrace's tracing capabilities cover a much broader range of kernel's internal operations.With its various tracer plugins, ftrace can be targeted at different static tracepoints, such as scheduling events, interrupts, memory-mapped I/O, CPU power state transitions, and operations related to file systems and virtualization. Also, dynamic tracking of kernel function calls is available, optionally restrictable to a subset of functions by using globs, and with the possibility to generate call graphs and provide stack usage. At the same time, ftrace can be used to measure various latencies within the Linux kernel, such as for how long interrupts or preemption are disabled.An ftrace-enabled Linux kernel is built by enabling the CONFIG_FUNCTION_TRACER kernel configuration option. The entire interaction with ftrace is performed through readable and writable virtual files contained in a specifically mounted debugfs file system; as a result, ftrace requires no specialized userspace utilities to operate. However, additional userspace utilities exist to provide improved data recording, analysis and visualization features; examples of such utilities are trace-cmd and KernelShark.ftrace is primarily developed by Steven Rostedt, and it was merged into the Linux kernel mainline in kernel version 2.6.27, which was released on October 9, 2008.".
- Ftrace wikiPageExternalLink 304105.
- Ftrace wikiPageExternalLink 365835.
- Ftrace wikiPageExternalLink 366796.
- Ftrace wikiPageExternalLink 370423.
- Ftrace wikiPageExternalLink 425583.
- Ftrace wikiPageExternalLink 608497.
- Ftrace wikiPageID "43371510".
- Ftrace wikiPageLength "5902".
- Ftrace wikiPageOutDegree "32".
- Ftrace wikiPageRevisionID "662309004".
- Ftrace wikiPageWikiLink Advanced_Configuration_and_Power_Interface.
- Ftrace wikiPageWikiLink Call_graph.
- Ftrace wikiPageWikiLink Call_stack.
- Ftrace wikiPageWikiLink Category:Debugging.
- Ftrace wikiPageWikiLink Category:Free_software_programmed_in_C.
- Ftrace wikiPageWikiLink Category:Linux_kernel_features.
- Ftrace wikiPageWikiLink Category:Unix_programming_tools.
- Ftrace wikiPageWikiLink DTrace.
- Ftrace wikiPageWikiLink Debugfs.
- Ftrace wikiPageWikiLink File_system.
- Ftrace wikiPageWikiLink Glob_(programming).
- Ftrace wikiPageWikiLink Interrupt.
- Ftrace wikiPageWikiLink Kernel_(operating_system).
- Ftrace wikiPageWikiLink Ktrace.
- Ftrace wikiPageWikiLink LWN.net.
- Ftrace wikiPageWikiLink Latency_(engineering).
- Ftrace wikiPageWikiLink Linux_kernel.
- Ftrace wikiPageWikiLink Ltrace.
- Ftrace wikiPageWikiLink O.
- Ftrace wikiPageWikiLink Menuconfig.
- Ftrace wikiPageWikiLink Scheduling_(computing).
- Ftrace wikiPageWikiLink Software_framework.
- Ftrace wikiPageWikiLink Strace.
- Ftrace wikiPageWikiLink Subroutine.
- Ftrace wikiPageWikiLink SystemTap.
- Ftrace wikiPageWikiLink Tracing_(software).
- Ftrace wikiPageWikiLink User_space.
- Ftrace wikiPageWikiLink Virtualization.
- Ftrace wikiPageWikiLinkText "Ftrace".
- Ftrace wikiPageWikiLinkText "ftrace".
- Ftrace wikiPageUsesTemplate Template:Commons_category.
- Ftrace wikiPageUsesTemplate Template:Linux_kernel.
- Ftrace wikiPageUsesTemplate Template:Lowercase_title.
- Ftrace wikiPageUsesTemplate Template:Mono.
- Ftrace wikiPageUsesTemplate Template:Operating_system.
- Ftrace wikiPageUsesTemplate Template:Portal.
- Ftrace wikiPageUsesTemplate Template:Reflist.
- Ftrace wikiPageUsesTemplate Template:Rp.
- Ftrace wikiPageUsesTemplate Template:Snd.
- Ftrace wikiPageUsesTemplate Template:Use_mdy_dates.
- Ftrace subject Category:Debugging.
- Ftrace subject Category:Free_software_programmed_in_C.
- Ftrace subject Category:Linux_kernel_features.
- Ftrace subject Category:Unix_programming_tools.
- Ftrace hypernym Framework.
- Ftrace type Software.
- Ftrace comment "ftrace (abbreviated from Function Tracer) is a tracing framework for the Linux kernel.".
- Ftrace label "Ftrace".
- Ftrace sameAs Q18153228.
- Ftrace sameAs m.011c5lqf.
- Ftrace sameAs Q18153228.
- Ftrace wasDerivedFrom Ftrace?oldid=662309004.
- Ftrace isPrimaryTopicOf Ftrace.