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Documentation: tracing: Fix typos in boot-time tracing documentation

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Fix typos in boottime-trace.rst according to Randy's suggestions.

Link: http://lkml.kernel.org/r/157949060335.25888.13153184562531693684.stgit@devnote2

Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu 2020-01-20 12:23:23 +09:00 • committed by Steven Rostedt (VMware)
parent a4798eb42a
commit b8381ce7aa
1 changed files with 9 additions and 9 deletions
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18
Documentation/trace/boottime-trace.rst
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@ -13,7 +13,7 @@ Boot-time tracing allows users to trace boot-time process including
device initialization with full features of ftrace including per-event
filter and actions, histograms, kprobe-events and synthetic-events,
and trace instances.
Since kernel cmdline is not enough to control these complex features,
Since kernel command line is not enough to control these complex features,
this uses bootconfig file to describe tracing feature programming.
Options in the Boot Config
@ -21,7 +21,7 @@ Options in the Boot Config
Here is the list of available options list for boot time tracing in
boot config file [1]_. All options are under "ftrace." or "kernel."
refix. See kernel parameters for the options which starts
prefix. See kernel parameters for the options which starts
with "kernel." prefix [2]_.
.. [1] See :ref:`Documentation/admin-guide/bootconfig.rst <bootconfig>`
@ -50,7 +50,7 @@ kernel.fgraph_filters = FILTER[, FILTER2...]
Add fgraph tracing function filters.
kernel.fgraph_notraces = FILTER[, FILTER2...]
Add fgraph non tracing function filters.
Add fgraph non-tracing function filters.
Ftrace Per-instance Options
@ -81,10 +81,10 @@ ftrace.[instance.INSTANCE.]tracer = TRACER
Set TRACER to current tracer on boot. (e.g. function)
ftrace.[instance.INSTANCE.]ftrace.filters
This will take an array of tracing function filter rules
This will take an array of tracing function filter rules.
ftrace.[instance.INSTANCE.]ftrace.notraces
This will take an array of NON-tracing function filter rules
This will take an array of NON-tracing function filter rules.
Ftrace Per-Event Options
@ -93,7 +93,7 @@ Ftrace Per-Event Options
These options are setting per-event options.
ftrace.[instance.INSTANCE.]event.GROUP.EVENT.enable
Enables GROUP:EVENT tracing.
Enable GROUP:EVENT tracing.
ftrace.[instance.INSTANCE.]event.GROUP.EVENT.filter = FILTER
Set FILTER rule to the GROUP:EVENT.
@ -145,10 +145,10 @@ below::
}
}
Also, boottime tracing supports "instance" node, which allows us to run
Also, boot-time tracing supports "instance" node, which allows us to run
several tracers for different purpose at once. For example, one tracer
is for tracing functions start with "user\_", and others tracing "kernel\_"
functions, you can write boot config as below::
is for tracing functions starting with "user\_", and others tracing
"kernel\_" functions, you can write boot config as below::
ftrace.instance {
foo {