Some architectures will start to implement this function. Make sure it works correctly.
Signed-off-by: Thomas Weißschuh <[email protected]> --- tools/testing/selftests/vDSO/vdso_test_abi.c | 53 +++++++++++++++++++++++++++- 1 file changed, 52 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/vDSO/vdso_test_abi.c b/tools/testing/selftests/vDSO/vdso_test_abi.c index a75c12dcb0f1..b162a4ba9c4f 100644 --- a/tools/testing/selftests/vDSO/vdso_test_abi.c +++ b/tools/testing/selftests/vDSO/vdso_test_abi.c @@ -36,6 +36,7 @@ typedef long (*vdso_gettimeofday_t)(struct timeval *tv, struct timezone *tz); typedef long (*vdso_clock_gettime_t)(clockid_t clk_id, struct timespec *ts); typedef long (*vdso_clock_gettime64_t)(clockid_t clk_id, struct vdso_timespec64 *ts); typedef long (*vdso_clock_getres_t)(clockid_t clk_id, struct timespec *ts); +typedef long (*vdso_clock_getres_time64_t)(clockid_t clk_id, struct vdso_timespec64 *ts); typedef time_t (*vdso_time_t)(time_t *t); static const char * const vdso_clock_name[] = { @@ -196,6 +197,55 @@ static void vdso_test_clock_getres(clockid_t clk_id) } } +#ifdef __NR_clock_getres_time64 +static void vdso_test_clock_getres_time64(clockid_t clk_id) +{ + int clock_getres_fail = 0; + + /* Find clock_getres. */ + vdso_clock_getres_time64_t vdso_clock_getres_time64 = + (vdso_clock_getres_time64_t)vdso_sym(version, name[7]); + + if (!vdso_clock_getres_time64) { + ksft_print_msg("Couldn't find %s\n", name[7]); + ksft_test_result_skip("%s %s\n", name[7], + vdso_clock_name[clk_id]); + return; + } + + struct vdso_timespec64 ts, sys_ts; + long ret = VDSO_CALL(vdso_clock_getres_time64, 2, clk_id, &ts); + + if (ret == 0) { + ksft_print_msg("The vdso resolution is %lld %lld\n", + (long long)ts.tv_sec, (long long)ts.tv_nsec); + } else { + clock_getres_fail++; + } + + ret = syscall(__NR_clock_getres_time64, clk_id, &sys_ts); + + ksft_print_msg("The syscall resolution is %lld %lld\n", + (long long)sys_ts.tv_sec, (long long)sys_ts.tv_nsec); + + if ((sys_ts.tv_sec != ts.tv_sec) || (sys_ts.tv_nsec != ts.tv_nsec)) + clock_getres_fail++; + + if (clock_getres_fail > 0) { + ksft_test_result_fail("%s %s\n", name[7], + vdso_clock_name[clk_id]); + } else { + ksft_test_result_pass("%s %s\n", name[7], + vdso_clock_name[clk_id]); + } +} +#else /* !__NR_clock_getres_time64 */ +static void vdso_test_clock_getres_time64(clockid_t clk_id) +{ + ksft_test_result_skip("%s %s\n", name[7], vdso_clock_name[clk_id]); +} +#endif /* __NR_clock_getres_time64 */ + /* * This function calls vdso_test_clock_gettime and vdso_test_clock_getres * with different values for clock_id. @@ -208,9 +258,10 @@ static inline void vdso_test_clock(clockid_t clock_id) vdso_test_clock_gettime64(clock_id); vdso_test_clock_getres(clock_id); + vdso_test_clock_getres_time64(clock_id); } -#define VDSO_TEST_PLAN 29 +#define VDSO_TEST_PLAN 38 int main(int argc, char **argv) { -- 2.52.0
