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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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