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The in-kernel trace event API should have its own section, and the
duplicate section numbers need fixing as well.
Reported-by: Li Xinhai <lixinhai.lxh@gmail.com>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/90ea854dfb728390b50ddf8a8675238973ee014a.camel@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Some new chapters were added to the documentation. This caused
Sphinx to complain, as the literal blocks there are not properly
tagged as such. Also, a new note added there doesn't follow
the ReST format.
This fixes the following warnings:
Documentation/trace/events.rst:589: WARNING: Definition list ends without a blank line; unexpected unindent.
Documentation/trace/events.rst:620: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:623: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:626: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:703: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:697: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:722: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:775: WARNING: Definition list ends without a blank line; unexpected unindent.
Documentation/trace/events.rst:814: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:817: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:820: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:823: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:826: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:829: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:832: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:844: WARNING: Unexpected indentation.
Documentation/trace/events.rst:845: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/trace/events.rst:849: WARNING: Unexpected indentation.
Documentation/trace/events.rst:850: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/trace/events.rst:883: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:886: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:889: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:895: WARNING: Bullet list ends without a blank line; unexpected unindent.
Documentation/trace/events.rst:895: WARNING: Inline emphasis start-string without end-string.
Documentation/trace/events.rst:968: WARNING: Inline emphasis start-string without end-string.
Fixes: 34ed63573b66 ("tracing: Documentation for in-kernel synthetic event API")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/afbe367ccb7b9abcb9fab7bc5cb5e0686c105a53.1583250595.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Add Documentation for creating and generating synthetic events from
modules.
Link: http://lkml.kernel.org/r/734bf8789ff8700000c9acde61a553427910ddb5.1580323897.git.zanussi@kernel.org
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Despite being mentioned at Documentation/trace/ftrace.rst as a
rst file, this file was still a text one, with several issues.
Convert it to ReST and add it to the trace index:
- Mark the document title as such;
- Identify and indent the literal blocks;
- Use the proper markups for table.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The script:
./scripts/documentation-file-ref-check --fix
Gives multiple hints for broken references on some files.
Manually use the one that applies for some files.
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: James Morris <james.morris@microsoft.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Add documentation and an example on how to use trace_marker triggers.
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"New features:
- Tom Zanussi's extended histogram work.
This adds the synthetic events to have histograms from multiple
event data Adds triggers "onmatch" and "onmax" to call the
synthetic events Several updates to the histogram code from this
- Allow way to nest ring buffer calls in the same context
- Allow absolute time stamps in ring buffer
- Rewrite of filter code parsing based on Al Viro's suggestions
- Setting of trace_clock to global if TSC is unstable (on boot)
- Better OOM handling when allocating large ring buffers
- Added initcall tracepoints (consolidated initcall_debug code with
them)
And other various fixes and clean ups"
* tag 'trace-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (68 commits)
init: Have initcall_debug still work without CONFIG_TRACEPOINTS
init, tracing: Have printk come through the trace events for initcall_debug
init, tracing: instrument security and console initcall trace events
init, tracing: Add initcall trace events
tracing: Add rcu dereference annotation for test func that touches filter->prog
tracing: Add rcu dereference annotation for filter->prog
tracing: Fixup logic inversion on setting trace_global_clock defaults
tracing: Hide global trace clock from lockdep
ring-buffer: Add set/clear_current_oom_origin() during allocations
ring-buffer: Check if memory is available before allocation
lockdep: Add print_irqtrace_events() to __warn
vsprintf: Do not preprocess non-dereferenced pointers for bprintf (%px and %pK)
tracing: Uninitialized variable in create_tracing_map_fields()
tracing: Make sure variable string fields are NULL-terminated
tracing: Add action comparisons when testing matching hist triggers
tracing: Don't add flag strings when displaying variable references
tracing: Fix display of hist trigger expressions containing timestamps
ftrace: Drop a VLA in module_exists()
tracing: Mention trace_clock=global when warning about unstable clocks
tracing: Default to using trace_global_clock if sched_clock is unstable
...
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Make sure that literal * characters are not interpreted as emphasis
markers.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This converts the plain text documentation to reStructuredText format and
add it into Sphinx TOC tree. No essential content change.
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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