linux-kernel - [PATCH] perf: print warning when HAVE_DEBUGINFOD

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Message-ID: <35bae747-3951-dc3d-a66b-abf4cebcd9cb@suse.cz>
Date:   Wed, 20 Apr 2022 15:32:55 +0200
From:   Martin Liška <mliska@...e.cz>
To:     lkml <linux-kernel@...r.kernel.org>
Cc:     linux-perf-users@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: [PATCH] perf: print warning when HAVE_DEBUGINFOD_SUPPORT is not set

When one requests debuginfod, either via --debuginfod option, or
with a perf-config value, complain when perf is not built with it.

Signed-off-by: Martin Liska <mliska@...e.cz>
---
  tools/perf/util/util.c | 5 +++++
  1 file changed, 5 insertions(+)

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index fb4f6616b5fa..289d83baaa2f 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -430,4 +430,9 @@ void perf_debuginfod_setup(struct perf_debuginfod *di)
  		setenv("DEBUGINFOD_URLS", di->urls, 1);
  
  	pr_debug("DEBUGINFOD_URLS=%s\n", getenv("DEBUGINFOD_URLS"));
+
+#ifndef HAVE_DEBUGINFOD_SUPPORT
+	if (di->set)
+		pr_warning("WARNING: debuginfod support requested, but perf is not built with it\n");
+#endif
  }
-- 
2.35.3