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Subject[GIT PULL] Kselftest update for Linux 5.1-rc4
Date
Hi Linus,

Please pull the following Kselftest update for Linux 5.1-rc4

This Kselftest update for Linux 5.1-rc4 consists of fixes to rseq,
cgroup, and efivarfs tests.

diff is attached.

thanks,
-- Shuah


----------------------------------------------------------------
The following changes since commit 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b:

Linux 5.1-rc1 (2019-03-17 14:22:26 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
tags/linux-kselftest-5.1-rc4

for you to fetch changes up to 1bb208e36bc9e9f8558f8e19bcb672ac49c3a5c2:

selftests: cgroup: fix cleanup path in test_memcg_subtree_control()
(2019-03-28 08:07:32 -0600)

----------------------------------------------------------------
linux-kselftest-5.1-rc4

This Kselftest update for Linux 5.1-rc4 consists of fixes to rseq,
cgroup, and efivarfs tests.

----------------------------------------------------------------
Mathieu Desnoyers (1):
rseq/selftests: Adapt number of threads to the number of detected
cpus

Roman Gushchin (1):
selftests: cgroup: fix cleanup path in test_memcg_subtree_control()

ZhangXiaoxu (1):
selftests: efivarfs: remove the test_create_read file if it was exist

tools/testing/selftests/cgroup/test_memcontrol.c | 38
+++++++++++++-----------
tools/testing/selftests/efivarfs/efivarfs.sh | 4 +++
tools/testing/selftests/rseq/run_param_test.sh | 7 +++--
3 files changed, 30 insertions(+), 19 deletions(-)

----------------------------------------------------------------
diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index 28d321ba311b..6f339882a6ca 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -26,7 +26,7 @@
*/
static int test_memcg_subtree_control(const char *root)
{
- char *parent, *child, *parent2, *child2;
+ char *parent, *child, *parent2 = NULL, *child2 = NULL;
int ret = KSFT_FAIL;
char buf[PAGE_SIZE];

@@ -34,50 +34,54 @@ static int test_memcg_subtree_control(const char *root)
parent = cg_name(root, "memcg_test_0");
child = cg_name(root, "memcg_test_0/memcg_test_1");
if (!parent || !child)
- goto cleanup;
+ goto cleanup_free;

if (cg_create(parent))
- goto cleanup;
+ goto cleanup_free;

if (cg_write(parent, "cgroup.subtree_control", "+memory"))
- goto cleanup;
+ goto cleanup_parent;

if (cg_create(child))
- goto cleanup;
+ goto cleanup_parent;

if (cg_read_strstr(child, "cgroup.controllers", "memory"))
- goto cleanup;
+ goto cleanup_child;

/* Create two nested cgroups without enabling memory controller */
parent2 = cg_name(root, "memcg_test_1");
child2 = cg_name(root, "memcg_test_1/memcg_test_1");
if (!parent2 || !child2)
- goto cleanup;
+ goto cleanup_free2;

if (cg_create(parent2))
- goto cleanup;
+ goto cleanup_free2;

if (cg_create(child2))
- goto cleanup;
+ goto cleanup_parent2;

if (cg_read(child2, "cgroup.controllers", buf, sizeof(buf)))
- goto cleanup;
+ goto cleanup_all;

if (!cg_read_strstr(child2, "cgroup.controllers", "memory"))
- goto cleanup;
+ goto cleanup_all;

ret = KSFT_PASS;

-cleanup:
- cg_destroy(child);
- cg_destroy(parent);
- free(parent);
- free(child);
-
+cleanup_all:
cg_destroy(child2);
+cleanup_parent2:
cg_destroy(parent2);
+cleanup_free2:
free(parent2);
free(child2);
+cleanup_child:
+ cg_destroy(child);
+cleanup_parent:
+ cg_destroy(parent);
+cleanup_free:
+ free(parent);
+ free(child);

return ret;
}
diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh
index a47029a799d2..d3866100e884 100755
--- a/tools/testing/selftests/efivarfs/efivarfs.sh
+++ b/tools/testing/selftests/efivarfs/efivarfs.sh
@@ -77,6 +77,10 @@ test_create_empty()
test_create_read()
{
local file=$efivarfs_mount/$FUNCNAME-$test_guid
+ if [ -f $file]; then
+ chattr -i $file
+ rm -rf $file
+ fi
./create-read $file
}

diff --git a/tools/testing/selftests/rseq/run_param_test.sh b/tools/testing/selftests/rseq/run_param_test.sh
index 3acd6d75ff9f..e426304fd4a0 100755
--- a/tools/testing/selftests/rseq/run_param_test.sh
+++ b/tools/testing/selftests/rseq/run_param_test.sh
@@ -1,6 +1,8 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+ or MIT

+NR_CPUS=`grep '^processor' /proc/cpuinfo | wc -l`
+
EXTRA_ARGS=${@}

OLDIFS="$IFS"
@@ -28,15 +30,16 @@ IFS="$OLDIFS"

REPS=1000
SLOW_REPS=100
+NR_THREADS=$((6*${NR_CPUS}))

function do_tests()
{
local i=0
while [ "$i" -lt "${#TEST_LIST[@]}" ]; do
echo "Running test ${TEST_NAME[$i]}"
- ./param_test ${TEST_LIST[$i]} -r ${REPS} ${@} ${EXTRA_ARGS} || exit 1
+ ./param_test ${TEST_LIST[$i]} -r ${REPS} -t ${NR_THREADS} ${@} ${EXTRA_ARGS} || exit 1
echo "Running compare-twice test ${TEST_NAME[$i]}"
- ./param_test_compare_twice ${TEST_LIST[$i]} -r ${REPS} ${@} ${EXTRA_ARGS} || exit 1
+ ./param_test_compare_twice ${TEST_LIST[$i]} -r ${REPS} -t ${NR_THREADS} ${@} ${EXTRA_ARGS} || exit 1
let "i++"
done
}
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