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Subject[PATCH 06/66] perf report: Introduce --stdio-color to setup the color output mode selection
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

'perf report --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

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: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-3iuawqjldu4i8gziot7e3d5n@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Documentation/perf-report.txt | 7 +++++++
tools/perf/builtin-report.c | 3 +++
2 files changed, 10 insertions(+)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 9cbddc290aff..2d1746295abf 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -265,6 +265,13 @@ 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, that is integrated with annotate and allows
zooming into DSOs or threads, among other features. Use of --tui
requires a tty, if one is not present, as when piping to other
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index f6cb357986c6..949e5a15c960 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -817,6 +817,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
"Show raw trace event output (do not use print fmt or plugins)"),
OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
"Show entries in a hierarchy"),
+ OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
+ "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
+ stdio__config_color, "always"),
OPT_END()
};
struct perf_data_file file = {
--
2.7.4
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