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Subject[PATCH 05/66] perf annotate: Introduce --stdio-color to setup the color output mode selection
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

'perf annotate --stdio' will colorize entries with most hits and
possibly some other aspects of its output, but those colors gets
suppressed if we redirect the output to a non-tty, allow keeping the
colors by adding a new option, --stdio-color, now this use case will
also output escape sequences for colors:

$ perf annotate --stdio-color | more

Based-on-a-patch-by: Peter Zijlstra <peterz@infradead.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-sjrnixani5pg6qez640gaxhf@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Documentation/perf-annotate.txt | 7 +++++++
tools/perf/builtin-annotate.c | 3 +++
2 files changed, 10 insertions(+)

diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index 778f54d4d0bd..8ffbd272952d 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -61,6 +61,13 @@ OPTIONS

--stdio:: Use the stdio interface.

+--stdio-color::
+ 'always', 'never' or 'auto', allowing configuring color output
+ via the command line, in addition to via "color.ui" .perfconfig.
+ Use '--stdio-color always' to generate color even when redirecting
+ to a pipe or file. Using just '--stdio-color' is equivalent to
+ using 'always'.
+
--tui:: Use the TUI interface. Use of --tui requires a tty, if one is not
present, as when piping to other commands, the stdio interface is
used. This interfaces starts by centering on the line with more
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index b15e7683f38c..9c1034d81b4f 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -339,6 +339,9 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
"Show event group information together"),
OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
"Show a column with the sum of periods"),
+ OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
+ "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
+ stdio__config_color, "always"),
OPT_END()
};
int ret = hists__init();
--
2.7.4
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