On 2015-07-21 14:32, Stuart Haslam wrote:
> The existing test uses odp_cpu_count() to attempt to determine the
> capacity of odp_cpumask_t. This was a workaround as there was previously
> no reliable method to determine this but the odp_cpumask_setall() API was
> added to address this, so use it.
> 
> Signed-off-by: Stuart Haslam <[email protected]>

Reviewed-by: Christophe Milard <[email protected]>

> ---
>  test/validation/cpumask/cpumask.c | 52 
> ++++++++++++++++++++-------------------
>  1 file changed, 27 insertions(+), 25 deletions(-)
> 
> diff --git a/test/validation/cpumask/cpumask.c 
> b/test/validation/cpumask/cpumask.c
> index d4daa61..933ee97 100644
> --- a/test/validation/cpumask/cpumask.c
> +++ b/test/validation/cpumask/cpumask.c
> @@ -73,13 +73,15 @@ static void cpu_to_str(char *buff, int cpu)
>  }
>  
>  /*
> - * returns the mask size to be tested...
> - * There is a bit of confusion right now about how to get this,
> - * so this is centralized here... in case of change...
> + * Returns the maximum number of CPUs that a mask can contain.
>   */
> -static unsigned int get_max_number_of_cpus_in_a_mask(void)
> +static unsigned mask_capacity(void)
>  {
> -     return odp_cpu_count();
> +     odp_cpumask_t mask;
> +
> +     odp_cpumask_setall(&mask);
> +
> +     return odp_cpumask_count(&mask);
>  }
>  
>  static void cpumask_test_odp_cpumask_to_from_str(void)
> @@ -93,17 +95,17 @@ static void cpumask_test_odp_cpumask_to_from_str(void)
>       unsigned int i;
>  
>       /* makes sure the mask has room for at least 1 CPU...: */
> -     CU_ASSERT_FATAL(get_max_number_of_cpus_in_a_mask() > 0);
> +     CU_ASSERT_FATAL(mask_capacity() > 0);
>  
>       /* allocate memory for the buffers containing the mask strings:
>          1 char per nibble, i.e. 1 char per 4 cpus +extra for "0x" and null:*/
> -     buf_sz = (get_max_number_of_cpus_in_a_mask() >> 2) + 20;
> +     buf_sz = (mask_capacity() >> 2) + 20;
>       buf_in  = malloc(buf_sz);
>       buf_out = malloc(buf_sz);
>       CU_ASSERT_FATAL(buf_in && buf_out);
>  
>       /* test 1 CPU at a time for all possible cpu positions in the mask */
> -     for (cpu = 0; cpu < get_max_number_of_cpus_in_a_mask(); cpu++) {
> +     for (cpu = 0; cpu < mask_capacity(); cpu++) {
>               /* init buffer for overwrite check: */
>               for (i = 0; i < buf_sz; i++)
>                       buf_out[i] = FILLING_PATTERN;
> @@ -166,7 +168,7 @@ static void cpumask_test_odp_cpumask_equal(void)
>       CU_ASSERT(odp_cpumask_equal(&mask1, &mask2));
>       CU_ASSERT_FALSE(odp_cpumask_equal(&mask1, &mask3));
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0_2);
> @@ -175,7 +177,7 @@ static void cpumask_test_odp_cpumask_equal(void)
>       CU_ASSERT(odp_cpumask_equal(&mask1, &mask2));
>       CU_ASSERT_FALSE(odp_cpumask_equal(&mask1, &mask3));
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 8)
> +     if (mask_capacity() < 8)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0_2_4_6);
> @@ -206,7 +208,7 @@ static void cpumask_test_odp_cpumask_set(void)
>       odp_cpumask_set(&mask1, 0);
>       CU_ASSERT(odp_cpumask_equal(&mask1, &mask2));
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask2, TEST_MASK_CPU_0_3);
> @@ -228,7 +230,7 @@ static void cpumask_test_odp_cpumask_clr(void)
>       odp_cpumask_clr(&mask1, 0);
>       CU_ASSERT(odp_cpumask_equal(&mask1, &mask2));
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0_2);
> @@ -255,7 +257,7 @@ static void cpumask_test_odp_cpumask_isset(void)
>       odp_cpumask_from_str(&mask1, TEST_MASK_NO_CPU);
>       CU_ASSERT_FALSE(odp_cpumask_isset(&mask1, 0));
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0_2);
> @@ -275,7 +277,7 @@ static void cpumask_test_odp_cpumask_count(void)
>       odp_cpumask_from_str(&mask1, TEST_MASK_NO_CPU);
>       CU_ASSERT(odp_cpumask_count(&mask1) == 0);
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0_2);
> @@ -307,7 +309,7 @@ static void cpumask_test_odp_cpumask_and(void)
>       odp_cpumask_and(&mask3, &mask1, &mask2);
>       CU_ASSERT(odp_cpumask_equal(&mask3, &mask4));
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0_2);
> @@ -342,7 +344,7 @@ static void cpumask_test_odp_cpumask_or(void)
>       odp_cpumask_or(&mask3, &mask1, &mask2);
>       CU_ASSERT(odp_cpumask_equal(&mask3, &mask4));
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0_2);
> @@ -377,7 +379,7 @@ static void cpumask_test_odp_cpumask_xor(void)
>       odp_cpumask_xor(&mask3, &mask1, &mask2);
>       CU_ASSERT(odp_cpumask_equal(&mask3, &mask4));
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_2);
> @@ -409,7 +411,7 @@ static void cpumask_test_odp_cpumask_first(void)
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0);
>       CU_ASSERT(odp_cpumask_first(&mask1) == 0);
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_1_3);
> @@ -428,7 +430,7 @@ static void cpumask_test_odp_cpumask_last(void)
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_0);
>       CU_ASSERT(odp_cpumask_last(&mask1) == 0);
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_1_3);
> @@ -450,7 +452,7 @@ static void cpumask_test_odp_cpumask_next(void)
>       CU_ASSERT(odp_cpumask_next(&mask1, -1) == 0);
>       CU_ASSERT(odp_cpumask_next(&mask1, 0)  == -1);
>  
> -     if (get_max_number_of_cpus_in_a_mask() < 4)
> +     if (mask_capacity() < 4)
>               return;
>  
>       odp_cpumask_from_str(&mask1, TEST_MASK_CPU_1_3);
> @@ -462,7 +464,7 @@ static void cpumask_test_odp_cpumask_next(void)
>  static void cpumask_test_odp_cpumask_setall(void)
>  {
>       int num_cpus;
> -     int max_cpus = get_max_number_of_cpus_in_a_mask();
> +     int max_cpus = mask_capacity();
>       odp_cpumask_t mask;
>  
>       odp_cpumask_setall(&mask);
> @@ -475,7 +477,7 @@ static void cpumask_test_odp_cpumask_setall(void)
>  static void cpumask_test_odp_cpumask_def_control(void)
>  {
>       int num;
> -     int max_cpus = get_max_number_of_cpus_in_a_mask();
> +     int max_cpus = mask_capacity();
>       odp_cpumask_t mask;
>  
>       num = odp_cpumask_def_control(&mask, ALL_AVAILABLE);
> @@ -487,7 +489,7 @@ static void cpumask_test_odp_cpumask_def_control(void)
>  static void cpumask_test_odp_cpumask_def_worker(void)
>  {
>       int num;
> -     int max_cpus = get_max_number_of_cpus_in_a_mask();
> +     int max_cpus = mask_capacity();
>       odp_cpumask_t mask;
>  
>       num = odp_cpumask_def_worker(&mask, ALL_AVAILABLE);
> @@ -500,13 +502,13 @@ static void cpumask_test_odp_cpumask_def(void)
>  {
>       int num_worker;
>       int num_control;
> -     int max_cpus = get_max_number_of_cpus_in_a_mask();
> +     int max_cpus = mask_capacity();
>       odp_cpumask_t mask;
>  
>       num_worker = odp_cpumask_def_worker(&mask, max_cpus - 1);
>       num_control = odp_cpumask_def_control(&mask, 1);
>  
> -     CU_ASSERT((num_control + num_worker) == max_cpus);
> +     CU_ASSERT((num_control + num_worker) <= max_cpus);
>  }
>  
>  static CU_TestInfo cpumask_suite[] = {
> -- 
> 2.1.1
> 
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