lkml.org 
[lkml]   [2023]   [Jan]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip: sched/core] selftests/membarrier: Test MEMBARRIER_CMD_GET_REGISTRATIONS
The following commit has been merged into the sched/core branch of tip:

Commit-ID: d74f87f37672e71457bfcc14eca5eeb1d61b6438
Gitweb: https://git.kernel.org/tip/d74f87f37672e71457bfcc14eca5eeb1d61b6438
Author: Michal Clapinski <mclapinski@google.com>
AuthorDate: Wed, 07 Dec 2022 17:43:38 +01:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Sat, 07 Jan 2023 11:29:29 +01:00

selftests/membarrier: Test MEMBARRIER_CMD_GET_REGISTRATIONS

Keep track of previously issued registrations and compare the result
with MEMBARRIER_CMD_GET_REGISTRATIONS return value.

Signed-off-by: Michal Clapinski <mclapinski@google.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Link: https://lore.kernel.org/r/20221207164338.1535591-3-mclapinski@google.com
---
tools/testing/selftests/membarrier/membarrier_test_impl.h | 33 +++++++++++++++++++++++++++++++++
tools/testing/selftests/membarrier/membarrier_test_multi_thread.c | 2 +-
tools/testing/selftests/membarrier/membarrier_test_single_thread.c | 6 +++++-
3 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/membarrier/membarrier_test_impl.h b/tools/testing/selftests/membarrier/membarrier_test_impl.h
index 186be69..af89855 100644
--- a/tools/testing/selftests/membarrier/membarrier_test_impl.h
+++ b/tools/testing/selftests/membarrier/membarrier_test_impl.h
@@ -9,11 +9,38 @@

#include "../kselftest.h"

+static int registrations;
+
static int sys_membarrier(int cmd, int flags)
{
return syscall(__NR_membarrier, cmd, flags);
}

+static int test_membarrier_get_registrations(int cmd)
+{
+ int ret, flags = 0;
+ const char *test_name =
+ "sys membarrier MEMBARRIER_CMD_GET_REGISTRATIONS";
+
+ registrations |= cmd;
+
+ ret = sys_membarrier(MEMBARRIER_CMD_GET_REGISTRATIONS, 0);
+ if (ret < 0) {
+ ksft_exit_fail_msg(
+ "%s test: flags = %d, errno = %d\n",
+ test_name, flags, errno);
+ } else if (ret != registrations) {
+ ksft_exit_fail_msg(
+ "%s test: flags = %d, ret = %d, registrations = %d\n",
+ test_name, flags, ret, registrations);
+ }
+ ksft_test_result_pass(
+ "%s test: flags = %d, ret = %d, registrations = %d\n",
+ test_name, flags, ret, registrations);
+
+ return 0;
+}
+
static int test_membarrier_cmd_fail(void)
{
int cmd = -1, flags = 0;
@@ -113,6 +140,8 @@ static int test_membarrier_register_private_expedited_success(void)
ksft_test_result_pass(
"%s test: flags = %d\n",
test_name, flags);
+
+ test_membarrier_get_registrations(cmd);
return 0;
}

@@ -170,6 +199,8 @@ static int test_membarrier_register_private_expedited_sync_core_success(void)
ksft_test_result_pass(
"%s test: flags = %d\n",
test_name, flags);
+
+ test_membarrier_get_registrations(cmd);
return 0;
}

@@ -204,6 +235,8 @@ static int test_membarrier_register_global_expedited_success(void)
ksft_test_result_pass(
"%s test: flags = %d\n",
test_name, flags);
+
+ test_membarrier_get_registrations(cmd);
return 0;
}

diff --git a/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c b/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c
index ac5613e..a9cc17f 100644
--- a/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c
+++ b/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c
@@ -62,7 +62,7 @@ static int test_mt_membarrier(void)
int main(int argc, char **argv)
{
ksft_print_header();
- ksft_set_plan(13);
+ ksft_set_plan(16);

test_membarrier_query();

diff --git a/tools/testing/selftests/membarrier/membarrier_test_single_thread.c b/tools/testing/selftests/membarrier/membarrier_test_single_thread.c
index c1c9639..4cdc8b1 100644
--- a/tools/testing/selftests/membarrier/membarrier_test_single_thread.c
+++ b/tools/testing/selftests/membarrier/membarrier_test_single_thread.c
@@ -12,7 +12,9 @@
int main(int argc, char **argv)
{
ksft_print_header();
- ksft_set_plan(13);
+ ksft_set_plan(18);
+
+ test_membarrier_get_registrations(/*cmd=*/0);

test_membarrier_query();

@@ -20,5 +22,7 @@ int main(int argc, char **argv)

test_membarrier_success();

+ test_membarrier_get_registrations(/*cmd=*/0);
+
return ksft_exit_pass();
}
\
 
 \ /
  Last update: 2023-03-26 23:31    [W:0.134 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site