Release 4.14 tools/testing/selftests/membarrier/membarrier_test.c
// SPDX-License-Identifier: GPL-2.0
#define _GNU_SOURCE
#include <linux/membarrier.h>
#include <syscall.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "../kselftest.h"
static int sys_membarrier(int cmd, int flags)
{
return syscall(__NR_membarrier, cmd, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pranith Kumar | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
static int test_membarrier_cmd_fail(void)
{
int cmd = -1, flags = 0;
if (sys_membarrier(cmd, flags) != -1) {
ksft_exit_fail_msg(
"sys membarrier invalid command test: command = %d, flags = %d. Should fail, but passed\n",
cmd, flags);
}
ksft_test_result_pass(
"sys membarrier invalid command test: command = %d, flags = %d. Failed as expected\n",
cmd, flags);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pranith Kumar | 31 | 58.49% | 1 | 25.00% |
| Shuah Khan | 13 | 24.53% | 1 | 25.00% |
| Mathieu Desnoyers | 5 | 9.43% | 1 | 25.00% |
| Paul Elder | 4 | 7.55% | 1 | 25.00% |
| Total | 53 | 100.00% | 4 | 100.00% |
static int test_membarrier_flags_fail(void)
{
int cmd = MEMBARRIER_CMD_QUERY, flags = 1;
if (sys_membarrier(cmd, flags) != -1) {
ksft_exit_fail_msg(
"sys membarrier MEMBARRIER_CMD_QUERY invalid flags test: flags = %d. Should fail, but passed\n",
flags);
}
ksft_test_result_pass(
"sys membarrier MEMBARRIER_CMD_QUERY invalid flags test: flags = %d. Failed as expected\n",
flags);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mathieu Desnoyers | 32 | 66.67% | 1 | 25.00% |
| Shuah Khan | 9 | 18.75% | 1 | 25.00% |
| Paul Elder | 4 | 8.33% | 1 | 25.00% |
| Pranith Kumar | 3 | 6.25% | 1 | 25.00% |
| Total | 48 | 100.00% | 4 | 100.00% |
static int test_membarrier_success(void)
{
int cmd = MEMBARRIER_CMD_SHARED, flags = 0;
const char *test_name = "sys membarrier MEMBARRIER_CMD_SHARED\n";
if (sys_membarrier(cmd, flags) != 0) {
ksft_exit_fail_msg(
"sys membarrier MEMBARRIER_CMD_SHARED test: flags = %d\n",
flags);
}
ksft_test_result_pass(
"sys membarrier MEMBARRIER_CMD_SHARED test: flags = %d\n",
flags);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pranith Kumar | 30 | 55.56% | 1 | 25.00% |
| Shuah Khan | 10 | 18.52% | 1 | 25.00% |
| Paul Elder | 7 | 12.96% | 1 | 25.00% |
| Mathieu Desnoyers | 7 | 12.96% | 1 | 25.00% |
| Total | 54 | 100.00% | 4 | 100.00% |
static int test_membarrier(void)
{
int status;
status = test_membarrier_cmd_fail();
if (status)
return status;
status = test_membarrier_flags_fail();
if (status)
return status;
status = test_membarrier_success();
if (status)
return status;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mathieu Desnoyers | 35 | 70.00% | 1 | 33.33% |
| Pranith Kumar | 12 | 24.00% | 1 | 33.33% |
| Shuah Khan | 3 | 6.00% | 1 | 33.33% |
| Total | 50 | 100.00% | 3 | 100.00% |
static int test_membarrier_query(void)
{
int flags = 0, ret;
ret = sys_membarrier(MEMBARRIER_CMD_QUERY, flags);
if (ret < 0) {
if (errno == ENOSYS) {
/*
* It is valid to build a kernel with
* CONFIG_MEMBARRIER=n. However, this skips the tests.
*/
ksft_exit_skip(
"sys membarrier (CONFIG_MEMBARRIER) is disabled.\n");
}
ksft_exit_fail_msg("sys_membarrier() failed\n");
}
if (!(ret & MEMBARRIER_CMD_SHARED))
ksft_exit_fail_msg("sys_membarrier is not supported.\n");
ksft_test_result_pass("sys_membarrier available\n");
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mathieu Desnoyers | 34 | 46.58% | 1 | 20.00% |
| Pranith Kumar | 19 | 26.03% | 1 | 20.00% |
| Paul Elder | 13 | 17.81% | 2 | 40.00% |
| Shuah Khan | 7 | 9.59% | 1 | 20.00% |
| Total | 73 | 100.00% | 5 | 100.00% |
int main(int argc, char **argv)
{
ksft_print_header();
test_membarrier_query();
test_membarrier();
ksft_exit_pass();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pranith Kumar | 16 | 64.00% | 1 | 25.00% |
| Shuah Khan | 3 | 12.00% | 1 | 25.00% |
| Paul Elder | 3 | 12.00% | 1 | 25.00% |
| Mathieu Desnoyers | 3 | 12.00% | 1 | 25.00% |
| Total | 25 | 100.00% | 4 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pranith Kumar | 153 | 44.09% | 1 | 14.29% |
| Mathieu Desnoyers | 117 | 33.72% | 2 | 28.57% |
| Shuah Khan | 45 | 12.97% | 1 | 14.29% |
| Paul Elder | 31 | 8.93% | 2 | 28.57% |
| Greg Kroah-Hartman | 1 | 0.29% | 1 | 14.29% |
| Total | 347 | 100.00% | 7 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.