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Documentation: kprobetrace: Split paragraphs 

Add an empty line to force the output to split paragraphs like it is
splitin the REST source.

Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20230121225304.1711635-4-yoann.congal@smile.fr
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Yoann Congal 2023-01-21 23:53:05 +01:00 committed by Jonathan Corbet
parent 015b5162be
commit 5d18c23c76
1 changed files with 2 additions and 0 deletions
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Documentation/trace/kprobetrace.rst
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@ -74,12 +74,14 @@ respectively. 'x' prefix implies it is unsigned. Traced arguments are shown
in decimal ('s' and 'u') or hexadecimal ('x'). Without type casting, 'x32' in decimal ('s' and 'u') or hexadecimal ('x'). Without type casting, 'x32'
or 'x64' is used depends on the architecture (e.g. x86-32 uses x32, and or 'x64' is used depends on the architecture (e.g. x86-32 uses x32, and
x86-64 uses x64). x86-64 uses x64).
These value types can be an array. To record array data, you can add '[N]' These value types can be an array. To record array data, you can add '[N]'
(where N is a fixed number, less than 64) to the base type. (where N is a fixed number, less than 64) to the base type.
E.g. 'x16[4]' means an array of x16 (2-byte hex) with 4 elements. E.g. 'x16[4]' means an array of x16 (2-byte hex) with 4 elements.
Note that the array can be applied to memory type fetchargs, you can not Note that the array can be applied to memory type fetchargs, you can not
apply it to registers/stack-entries etc. (for example, '$stack1:x8[8]' is apply it to registers/stack-entries etc. (for example, '$stack1:x8[8]' is
wrong, but '+8($stack):x8[8]' is OK.) wrong, but '+8($stack):x8[8]' is OK.)
String type is a special type, which fetches a "null-terminated" string from String type is a special type, which fetches a "null-terminated" string from
kernel space. This means it will fail and store NULL if the string container kernel space. This means it will fail and store NULL if the string container
has been paged out. "ustring" type is an alternative of string for user-space. has been paged out. "ustring" type is an alternative of string for user-space.