linux-kernel - [PATCH] perf version: Display availability of OpenCSD support

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Date: Fri,  1 Mar 2024 13:38:29 +0000
From: James Clark <james.clark@....com>
To: linux-perf-users@...r.kernel.org
Cc: al.grant@....com,
	James Clark <james.clark@....com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] perf version: Display availability of OpenCSD support

This is useful for scripts that work with Perf and ETM trace. Rather
than them trying to parse Perf's error output at runtime to see if it
was linked or not.

Signed-off-by: James Clark <james.clark@....com>
---
 tools/perf/builtin-version.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
index 1bafe5855ae7..398aa53e9e2e 100644
--- a/tools/perf/builtin-version.c
+++ b/tools/perf/builtin-version.c
@@ -84,6 +84,7 @@ static void library_status(void)
 	STATUS(HAVE_LIBTRACEEVENT, libtraceevent);
 	STATUS(HAVE_BPF_SKEL, bpf_skeletons);
 	STATUS(HAVE_DWARF_UNWIND_SUPPORT, dwarf-unwind-support);
+	STATUS(HAVE_CSTRACE_SUPPORT, libopencsd);
 }
 
 int cmd_version(int argc, const char **argv)
-- 
2.34.1