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45237f9898
Now the boot-time tracing supports kprobes events and that must be written in bootconfig file in the following format. ftrace.event.kprobes.<EVENT_NAME>.probes = <PROBE-DEF> 'perf probe' already supports --definition (-D) action to show probe definitions, but the format is for tracefs: [p|r][:EVENT_NAME] <PROBE-DEF> This patch adds the --bootconfig option for -D action so that it outputs the probe definitions in bootconfig format. E.g. $ perf probe --bootconfig -D "path_lookupat:7 err:s32 s:string" ftrace.event.kprobes.path_lookupat_L7.probe = 'path_lookupat.isra.0+309 err_s32=%ax:s32 s_string=+0(%r13):string' Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/162282412351.452340.14871995440005640114.stgit@devnote2 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.