linux-kernel - [tip:perf/core] perf test: Create kernel maps properly for hist entries test

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Message-ID: <tip-d6e94fa6b6dab4668e46665bbe766142af32cc15@git.kernel.org>
Date:	Mon, 7 Dec 2015 20:32:40 -0800
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	masami.hiramatsu.pt@...achi.com, adrian.hunter@...el.com,
	mingo@...nel.org, jolsa@...nel.org, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, acme@...hat.com,
	a.p.zijlstra@...llo.nl, dsahern@...il.com, wangnan0@...wei.com,
	hpa@...or.com, namhyung@...nel.org
Subject: [tip:perf/core] perf test:
  Create kernel maps properly for hist entries test

Commit-ID:  d6e94fa6b6dab4668e46665bbe766142af32cc15
Gitweb:     http://git.kernel.org/tip/d6e94fa6b6dab4668e46665bbe766142af32cc15
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Wed, 2 Dec 2015 22:08:29 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 7 Dec 2015 18:12:56 -0300

perf test: Create kernel maps properly for hist entries test

It fixes segfault within machine__exit, that's caused
but not creating kernel maps for machine.. We're calling
machine__destroy_kernel_maps in machine__exit since commit:

  ebe9729c8c31 perf machine: Fix to destroy kernel maps when machine exits

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Acked-by: Namhyung Kim <namhyung@...nel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/tip-k4snzv5t4dvdckggzwdzyljo@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/tests/hists_common.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/tests/hists_common.c b/tools/perf/tests/hists_common.c
index ce80b27..46f453b 100644
--- a/tools/perf/tests/hists_common.c
+++ b/tools/perf/tests/hists_common.c
@@ -87,6 +87,11 @@ struct machine *setup_fake_machine(struct machines *machines)
 		return NULL;
 	}
 
+	if (machine__create_kernel_maps(machine)) {
+		pr_debug("Not enough memory for machine setup\n");
+		goto out;
+	}
+
 	for (i = 0; i < ARRAY_SIZE(fake_threads); i++) {
 		struct thread *thread;
 
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