patrick/zephyr
1
0
Fork 0
Code Issues Pull requests Actions 8 Packages Projects Releases Wiki Activity

samples: synchronization: Convert CONFIG_MP_NUM_CPUS handling

Browse source 
Move runtime checks to use arch_num_cpus() and build checks
to use CONFIG_MP_MAX_NUM_CPUS.  This is to allow runtime
determination of the number of CPUs in the future.

Signed-off-by: Kumar Gala <kumar.gala@intel.com>
This commit is contained in:
Kumar Gala 2022-10-20 08:39:14 -05:00 committed by Anas Nashif
parent 6aa67666c4
commit 7fff3de993
1 changed files with 7 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
samples/synchronization/src/main.c
View file

@ -16,9 +16,7 @@
* world application would likely use the static approach for both threads.
*/
#define PIN_THREADS (IS_ENABLED(CONFIG_SMP) \
&& IS_ENABLED(CONFIG_SCHED_CPU_MASK) \
&& (CONFIG_MP_NUM_CPUS > 1))
#define PIN_THREADS (IS_ENABLED(CONFIG_SMP) && IS_ENABLED(CONFIG_SCHED_CPU_MASK))
/* size of stack area used by each thread */
#define STACKSIZE 1024
@ -113,7 +111,9 @@ void main(void)
PRIORITY, 0, K_FOREVER);
k_thread_name_set(&threadA_data, "thread_a");
#if PIN_THREADS
k_thread_cpu_pin(&threadA_data, 0);
if (arch_num_cpus() > 1) {
k_thread_cpu_pin(&threadA_data, 0);
}
#endif
k_thread_create(&threadB_data, threadB_stack_area,
@ -122,7 +122,9 @@ void main(void)
PRIORITY, 0, K_FOREVER);
k_thread_name_set(&threadB_data, "thread_b");
#if PIN_THREADS
k_thread_cpu_pin(&threadB_data, 1);
if (arch_num_cpus() > 1) {
k_thread_cpu_pin(&threadB_data, 1);
}
#endif
k_thread_start(&threadA_data);