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perf script python: Fix unintended underline

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The text ranging from "subsystem__event_name" to "raw_syscalls__sys_enter()"
is interpreted by asciidoc as a pair of unconstrained text formatting markers.

The result is that the manual page displayed this text as underlined,
and the HTML pages displayed this text as italicized. Escape the first
double-underscore to prevent this.

https://docs.asciidoctor.org/asciidoc/latest/syntax-quick-reference/

Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com>
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/20210806204502.110305-1-stephen.s.brennan@oracle.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Stephen Brennan 2021-08-06 13:45:01 -07:00 committed by Arnaldo Carvalho de Melo
parent 9c38b671eb
commit b7ae6d4378
1 changed files with 1 additions and 1 deletions
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2
tools/perf/Documentation/perf-script-python.txt
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@ -167,7 +167,7 @@ below).
Following those are the 'event handler' functions generated one for
every event in the 'perf record' output. The handler functions take
the form subsystem__event_name, and contain named parameters, one for
the form subsystem\__event_name, and contain named parameters, one for
each field in the event; in this case, there's only one event,
raw_syscalls__sys_enter(). (see the EVENT HANDLERS section below for
more info on event handlers).