On 02.06.21 07:55, chensong_2...@189.cn wrote:
> 
> 
> 在 2021/6/1 下午8:16, Florian Bezdeka 写道:
>> On 29.04.21 09:45, Song Chen wrote:
>>> add test case for clock_adjtime64 in testsuite
>>>
>>> Signed-off-by: Song Chen <chensong_2...@189.cn>
>>> ---
>>>   testsuite/smokey/y2038/syscall-tests.c | 71
>>> ++++++++++++++++++++++++++++++++++
>>>   1 file changed, 71 insertions(+)
>>>
>>> diff --git a/testsuite/smokey/y2038/syscall-tests.c
>>> b/testsuite/smokey/y2038/syscall-tests.c
>>> index c59a9d6..22fd9b6 100644
>>> --- a/testsuite/smokey/y2038/syscall-tests.c
>>> +++ b/testsuite/smokey/y2038/syscall-tests.c
>>> @@ -25,6 +25,43 @@ struct xn_timespec64 {
>>>       int64_t tv_nsec;
>>>   };
>>>   +struct xn_timex_timeval {
>>> +    int64_t tv_sec;
>>> +    int64_t    tv_usec;
>>> +};
>>> +
>>> +struct xn_timex64 {
>>> +    unsigned int modes;    /* mode selector */
>>> +    int:32;            /* pad */
>>> +    long long offset;    /* time offset (usec) */
>>> +    long long freq;    /* frequency offset (scaled ppm) */
>>> +    long long maxerror;/* maximum error (usec) */
>>> +    long long esterror;/* estimated error (usec) */
>>> +    int status;        /* clock command/status */
>>> +    int:32;            /* pad */
>>> +    long long constant;/* pll time constant */
>>> +    long long precision;/* clock precision (usec) (read only) */
>>> +    long long tolerance;/* clock frequency tolerance (ppm) (read
>>> only) */
>>> +    struct xn_timex_timeval time;    /* (read only, except for
>>> ADJ_SETOFFSET) */
>>> +    long long tick;    /* (modified) usecs between clock ticks */
>>> +
>>> +    long long ppsfreq;/* pps frequency (scaled ppm) (ro) */
>>> +    long long jitter; /* pps jitter (us) (ro) */
>>> +    int shift;              /* interval duration (s) (shift) (ro) */
>>> +    int:32;            /* pad */
>>> +    long long stabil;            /* pps stability (scaled ppm) (ro) */
>>> +    long long jitcnt; /* jitter limit exceeded (ro) */
>>> +    long long calcnt; /* calibration intervals (ro) */
>>> +    long long errcnt; /* calibration errors (ro) */
>>> +    long long stbcnt; /* stability limit exceeded (ro) */
>>> +
>>> +    int tai;        /* TAI offset (ro) */
>>> +
>>> +    int:32; int:32; int:32; int:32;
>>> +    int:32; int:32; int:32; int:32;
>>> +    int:32; int:32; int:32;
>>> +};
>>> +
>>>   #define NSEC_PER_SEC 1000000000
>>>     static void ts_normalise(struct xn_timespec64 *ts)
>>> @@ -326,6 +363,36 @@ static int test_sc_cobalt_clock_getres64(void)
>>>       return 0;
>>>   }
>>>   +static int test_sc_cobalt_clock_adjtime64(void)
>>> +{
>>> +    long ret;
>>> +    int code = __xn_syscode(sc_cobalt_clock_adjtime64);
>>> +    struct xn_timex64 tx64 = {};
>>> +
>>> +    /* Make sure we don't crash because of NULL pointers */
>>> +    ret = syscall(code, NULL, NULL);
>>> +    if (ret == -1 && errno == ENOSYS) {
>>> +        smokey_note("clock_adjtime64: skipped. (no kernel support)");
>>> +        return 0; // Not implemented, nothing to test, success
>>> +    }
>>> +    if (!smokey_assert(ret == -1) || !smokey_assert(errno == EFAULT))
>>> +        return errno;
>>> +
>>> +    /* Providing an invalid address has to deliver EFAULT */
>>> +    ret = syscall(code, CLOCK_REALTIME, (void *)0xdeadbeefUL);
>>> +    if (!smokey_assert(ret == -1) || !smokey_assert(errno == EFAULT))
>>> +        return errno;
>>> +
>>> +    /* Provide a valid 64bit timex*/
>>> +    tx64.modes = ADJ_SETOFFSET;
>>> +    tx64.time.tv_usec = 123;
>>> +    ret = syscall(code, CLOCK_REALTIME, &tx64);
>>
>> In int __cobalt_clock_adjtime() we have
>>
>>     switch (clock_id) {
>>     case CLOCK_REALTIME:
>>     case CLOCK_MONOTONIC:
>>     case CLOCK_MONOTONIC_RAW:
>>     case CLOCK_HOST_REALTIME:
>>         return -EOPNOTSUPP;
>>
>> So the test-failure I see on x86 is fully expected. How did you get this
>> test running successfully?
> 
> In this revision, i got this:
> root@kylin-Lenovo:/home/kylin/workspace/y2038/xenomai-hacker-space#
> ./testsuite/smokey/smokey --run=27
> syscall-tests.c:391, assertion failed: !ret
> /home/kylin/workspace/y2038/xenomai-hacker-space/testsuite/smokey/.libs/lt-smokey:
> test y2038 failed: Unknown error -95 (which is EOPNOTSUPP)
> 
> In my last revision, which replaced syscall with XENOMAI_SYSCALL, it
> returns -95, i'm afraid it will terminate smokey test, i turned it to if
> !smokey_assert(ret) for now.
> 
> when __cobalt_clock_adjtime becomes supported, i will turn it back.

Already done. See the series re-posted yesterday.

> 
>>
>>
>>> +    if (!smokey_assert(!ret))
>>> +        return errno;
>>> +
>>> +    return 0;
>>> +}
>>> +
>>>   static int run_y2038(struct smokey_test *t, int argc, char *const
>>> argv[])
>>>   {
>>>   @@ -351,5 +418,9 @@ static int run_y2038(struct smokey_test *t, int
>>> argc, char *const argv[])
>>>       if (ret)
>>>           return ret;
>>>   +    ret = test_sc_cobalt_clock_adjtime64();
>>> +    if (ret)
>>> +        return ret;
>>> +
>>>       return 0;
>>>   }
>>>
>>
>>


-- 
Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux

Reply via email to