linux-kernel - [PATCH 02/10] perf test: 'unwind' test should create kernel maps

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Message-Id: <1448673751-20949-3-git-send-email-acme@kernel.org>
Date:	Fri, 27 Nov 2015 22:22:23 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	David Ahern <dsahern@...il.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 02/10] perf test: 'unwind' test should create kernel maps

From: Jiri Olsa <jolsa@...hat.com>

The 'perf test unwind' is failing because it forgot to create the kernel
maps, fix it.

After the patch:

  # perf test unwind
  40: Test dwarf unwind         : Ok

Reported-and-Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: http://lkml.kernel.org/r/20151127082121.GA24503@krava.brq.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/tests/dwarf-unwind.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c
index b2357e8115a2..3cce13b19cbb 100644
--- a/tools/perf/tests/dwarf-unwind.c
+++ b/tools/perf/tests/dwarf-unwind.c
@@ -173,6 +173,11 @@ int test__dwarf_unwind(int subtest __maybe_unused)
 		return -1;
 	}
 
+	if (machine__create_kernel_maps(machine)) {
+		pr_err("Failed to create kernel maps\n");
+		return -1;
+	}
+
 	callchain_param.record_mode = CALLCHAIN_DWARF;
 
 	if (init_live_machine(machine)) {
-- 
2.1.0

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