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Message-ID: <tip-804a7ae57c90188263d49621cb4f1e0bae46c5ca@git.kernel.org>
Date: Mon, 4 Feb 2013 05:52:38 -0800
From: tip-bot for Sasha Levin <sasha.levin@...cle.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, sasha.levin@...cle.com,
hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
tglx@...utronix.de
Subject: [tip:core/locking] liblockdep: Add pthread_mutex_t test suite
Commit-ID: 804a7ae57c90188263d49621cb4f1e0bae46c5ca
Gitweb: http://git.kernel.org/tip/804a7ae57c90188263d49621cb4f1e0bae46c5ca
Author: Sasha Levin <sasha.levin@...cle.com>
AuthorDate: Sun, 3 Feb 2013 20:50:40 -0500
Committer: Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 4 Feb 2013 11:39:05 +0100
liblockdep: Add pthread_mutex_t test suite
This is a rather simple and basic test suite to test common
locking issues.
Beyond tests, it also shows how to use the library.
Signed-off-by: Sasha Levin <sasha.levin@...cle.com>
Cc: paulus@...ba.org
Cc: acme@...stprotocols.net
Cc: penberg@...nel.org
Cc: peterz@...radead.org
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1359942644-26371-3-git-send-email-sasha.levin@oracle.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
tools/lib/lockdep/run_tests.sh | 15 +++++++++++++++
tools/lib/lockdep/tests/AA.c | 16 ++++++++++++++++
tools/lib/lockdep/tests/ABBA.c | 16 ++++++++++++++++
tools/lib/lockdep/tests/ABBCCA.c | 18 ++++++++++++++++++
tools/lib/lockdep/tests/ABBCCDDA.c | 20 ++++++++++++++++++++
tools/lib/lockdep/tests/ABCABC.c | 18 ++++++++++++++++++
tools/lib/lockdep/tests/ABCDBCDA.c | 20 ++++++++++++++++++++
tools/lib/lockdep/tests/ABCDBDDA.c | 20 ++++++++++++++++++++
tools/lib/lockdep/tests/common.h | 12 ++++++++++++
tools/lib/lockdep/tests/unlock_balance.c | 15 +++++++++++++++
10 files changed, 170 insertions(+)
diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh
new file mode 100755
index 0000000..4dd32d1
--- /dev/null
+++ b/tools/lib/lockdep/run_tests.sh
@@ -0,0 +1,15 @@
+#! /bin/bash
+
+make &> /dev/null
+
+for i in `ls tests/*.c`; do
+ testname=$(basename -s .c "$i")
+ gcc -o tests/$testname -lpthread $i liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &> /dev/null
+ echo -ne "$testname... "
+ if [ $(timeout 1 ./tests/$testname | wc -l) -gt 0 ]; then
+ echo "PASSED!"
+ else
+ echo "FAILED!"
+ fi
+ rm tests/$testname
+done
diff --git a/tools/lib/lockdep/tests/AA.c b/tools/lib/lockdep/tests/AA.c
new file mode 100644
index 0000000..933d32f
--- /dev/null
+++ b/tools/lib/lockdep/tests/AA.c
@@ -0,0 +1,16 @@
+#include <liblockdep/mutex.h>
+
+void main(void)
+{
+ pthread_mutex_t a, b;
+
+ liblockdep_init();
+ liblockdep_set_thread();
+
+ pthread_mutex_init(&a, NULL);
+ pthread_mutex_init(&b, NULL);
+
+ pthread_mutex_lock(&a);
+ pthread_mutex_unlock(&b);
+ pthread_mutex_lock(&a);
+}
diff --git a/tools/lib/lockdep/tests/ABBA.c b/tools/lib/lockdep/tests/ABBA.c
new file mode 100644
index 0000000..9f5146b
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBA.c
@@ -0,0 +1,16 @@
+#include <liblockdep/mutex.h>
+#include "common.h"
+
+void main(void)
+{
+ pthread_mutex_t a, b;
+
+ liblockdep_init();
+ liblockdep_set_thread();
+
+ pthread_mutex_init(&a, NULL);
+ pthread_mutex_init(&b, NULL);
+
+ LOCK_UNLOCK_2(a, b);
+ LOCK_UNLOCK_2(b, a);
+}
diff --git a/tools/lib/lockdep/tests/ABBCCA.c b/tools/lib/lockdep/tests/ABBCCA.c
new file mode 100644
index 0000000..b7435d7
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBCCA.c
@@ -0,0 +1,18 @@
+#include <liblockdep/mutex.h>
+#include "common.h"
+
+void main(void)
+{
+ pthread_mutex_t a, b, c;
+
+ liblockdep_init();
+ liblockdep_set_thread();
+
+ pthread_mutex_init(&a, NULL);
+ pthread_mutex_init(&b, NULL);
+ pthread_mutex_init(&c, NULL);
+
+ LOCK_UNLOCK_2(a, b);
+ LOCK_UNLOCK_2(b, c);
+ LOCK_UNLOCK_2(c, a);
+}
diff --git a/tools/lib/lockdep/tests/ABBCCDDA.c b/tools/lib/lockdep/tests/ABBCCDDA.c
new file mode 100644
index 0000000..2425330
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBCCDDA.c
@@ -0,0 +1,20 @@
+#include <liblockdep/mutex.h>
+#include "common.h"
+
+void main(void)
+{
+ pthread_mutex_t a, b, c, d;
+
+ liblockdep_init();
+ liblockdep_set_thread();
+
+ pthread_mutex_init(&a, NULL);
+ pthread_mutex_init(&b, NULL);
+ pthread_mutex_init(&c, NULL);
+ pthread_mutex_init(&d, NULL);
+
+ LOCK_UNLOCK_2(a, b);
+ LOCK_UNLOCK_2(b, c);
+ LOCK_UNLOCK_2(c, d);
+ LOCK_UNLOCK_2(d, a);
+}
diff --git a/tools/lib/lockdep/tests/ABCABC.c b/tools/lib/lockdep/tests/ABCABC.c
new file mode 100644
index 0000000..2ee30fe
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCABC.c
@@ -0,0 +1,18 @@
+#include <liblockdep/mutex.h>
+#include "common.h"
+
+void main(void)
+{
+ pthread_mutex_t a, b, c;
+
+ liblockdep_init();
+ liblockdep_set_thread();
+
+ pthread_mutex_init(&a, NULL);
+ pthread_mutex_init(&b, NULL);
+ pthread_mutex_init(&c, NULL);
+
+ LOCK_UNLOCK_2(a, b);
+ LOCK_UNLOCK_2(c, a);
+ LOCK_UNLOCK_2(b, c);
+}
diff --git a/tools/lib/lockdep/tests/ABCDBCDA.c b/tools/lib/lockdep/tests/ABCDBCDA.c
new file mode 100644
index 0000000..32d19d6
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCDBCDA.c
@@ -0,0 +1,20 @@
+#include <liblockdep/mutex.h>
+#include "common.h"
+
+void main(void)
+{
+ liblockdep_pthread_mutex_t a, b, c, d;
+
+ liblockdep_init();
+ liblockdep_set_thread();
+
+ liblockdep_pthread_mutex_init(&a, NULL);
+ liblockdep_pthread_mutex_init(&b, NULL);
+ liblockdep_pthread_mutex_init(&c, NULL);
+ liblockdep_pthread_mutex_init(&d, NULL);
+
+ LOCK_UNLOCK_2(a, b);
+ LOCK_UNLOCK_2(c, d);
+ LOCK_UNLOCK_2(b, c);
+ LOCK_UNLOCK_2(d, a);
+}
diff --git a/tools/lib/lockdep/tests/ABCDBDDA.c b/tools/lib/lockdep/tests/ABCDBDDA.c
new file mode 100644
index 0000000..850eaca
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCDBDDA.c
@@ -0,0 +1,20 @@
+#include <liblockdep/mutex.h>
+#include "common.h"
+
+void main(void)
+{
+ pthread_mutex_t a, b, c, d;
+
+ liblockdep_init();
+ liblockdep_set_thread();
+
+ pthread_mutex_init(&a, NULL);
+ pthread_mutex_init(&b, NULL);
+ pthread_mutex_init(&c, NULL);
+ pthread_mutex_init(&d, NULL);
+
+ LOCK_UNLOCK_2(a, b);
+ LOCK_UNLOCK_2(c, d);
+ LOCK_UNLOCK_2(b, d);
+ LOCK_UNLOCK_2(d, a);
+}
diff --git a/tools/lib/lockdep/tests/common.h b/tools/lib/lockdep/tests/common.h
new file mode 100644
index 0000000..d89e94d
--- /dev/null
+++ b/tools/lib/lockdep/tests/common.h
@@ -0,0 +1,12 @@
+#ifndef _LIBLOCKDEP_TEST_COMMON_H
+#define _LIBLOCKDEP_TEST_COMMON_H
+
+#define LOCK_UNLOCK_2(a, b) \
+ do { \
+ pthread_mutex_lock(&(a)); \
+ pthread_mutex_lock(&(b)); \
+ pthread_mutex_unlock(&(b)); \
+ pthread_mutex_unlock(&(a)); \
+ } while(0)
+
+#endif
diff --git a/tools/lib/lockdep/tests/unlock_balance.c b/tools/lib/lockdep/tests/unlock_balance.c
new file mode 100644
index 0000000..9dfaf97
--- /dev/null
+++ b/tools/lib/lockdep/tests/unlock_balance.c
@@ -0,0 +1,15 @@
+#include <liblockdep/mutex.h>
+
+void main(void)
+{
+ pthread_mutex_t a;
+
+ liblockdep_init();
+ liblockdep_set_thread();
+
+ pthread_mutex_init(&a, NULL);
+
+ pthread_mutex_lock(&a);
+ pthread_mutex_unlock(&a);
+ pthread_mutex_unlock(&a);
+}
--
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