On Thu, Oct 21, 2010 at 12:43 AM, Caspar Zhang <[email protected]> wrote:
> Hi all, when I'm using LTP, sometimes the
> test syscalls/sched_getaffinity01 fails by
> giving the following output:
>
> sched_getaffinity01 0 TINFO : system has 4 processor(s).
> sched_getaffinity01 0 TINFO : cpusetsize is 128
> sched_getaffinity01 0 TINFO : mask.__bits[0] = 15
> sched_getaffinity01 1 TPASS : sched_getaffinity() succeed ,this process
> 29494 is running processor: 0
> sched_getaffinity01 2 TPASS : sched_getaffinity() succeed ,this process
> 29494 is running processor: 1
> sched_getaffinity01 3 TPASS : sched_getaffinity() succeed ,this process
> 29494 is running processor: 2
> sched_getaffinity01 4 TPASS : sched_getaffinity() succeed ,this process
> 29494 is running processor: 3
> sched_getaffinity01 5 TPASS : sched_getaffinity(0, len, (cpu_set_t
> *)-1): TEST_ERRNO=EFAULT(14): Bad address
> sched_getaffinity01 6 TPASS : sched_getaffinity(0, 0, mask):
> TEST_ERRNO=EINVAL(22): Invalid argument
> sched_getaffinity01 7 TFAIL : sched_getaffinity(getpid() + 1, len,
> mask): TEST_ERRNO=???(0): Success
>
> Seems that using ``getpid() + 1'' is not
> always correct, so I use another non-existed
> pid to replace ``getpid() + ''.
>
> Signed-off-by: Caspar Zhang <[email protected]>
>
> ---
> .../sched_getaffinity/sched_getaffinity01.c | 5 ++---
> 1 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git
> a/testcases/kernel/syscalls/sched_getaffinity/sched_getaffinity01.c
> b/testcases/kernel/syscalls/sched_getaffinity/sched_getaffinity01.c
> index 7dfb0ec..aaa646d 100644
> --- a/testcases/kernel/syscalls/sched_getaffinity/sched_getaffinity01.c
> +++ b/testcases/kernel/syscalls/sched_getaffinity/sched_getaffinity01.c
> @@ -41,7 +41,7 @@
> #include<stdio.h>
> #include<sys/types.h>
> #include<unistd.h>
> -#define _GNU_SOURCE
> +#define _GNU_SOURCE
> #define __USE_GNU
> #include<sched.h>
> #include<string.h>
> @@ -201,11 +201,10 @@ realloc:
> #endif
> QUICK_TEST(sched_getaffinity(0, len, (cpu_set_t *)-1));
> QUICK_TEST(sched_getaffinity(0, 0, mask));
> - QUICK_TEST(sched_getaffinity(getpid() + 1, len, mask));
> + QUICK_TEST(sched_getaffinity(65535, len, mask));
> CPU_FREE(mask);
> }
> }
> cleanup();
> tst_exit();
> }
Please try the modified version on git HEAD.
Cheers,
-Garrett
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