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[finsh] add msh command to bind thread to specific core #9085

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Jun 23, 2024
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56 changes: 56 additions & 0 deletions components/finsh/msh.c
Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,62 @@ static int cmd_free(int argc, char **argv)
}
MSH_CMD_EXPORT_ALIAS(cmd_free, free, Show the memory usage in the system);
#endif /* RT_USING_HEAP */

#if RT_CPUS_NR > 1
static int cmd_bind(int argc, char **argv)
{
rt_err_t result;
rt_ubase_t thread_id;
rt_ubase_t core_id;
rt_thread_t thread;
char *endptr;

if (argc != 3)
{
rt_kprintf("Usage: bind <thread_id> <core_id>\n");
return 0;
}

/* Parse thread_id */
thread_id = (rt_ubase_t)strtoul(argv[1], &endptr, 0);
if (*endptr != '\0')
{
rt_kprintf("Error: Invalid thread ID '%s'\n", argv[1]);
return 0;
}

/* Parse core_id */
core_id = (rt_uint8_t)strtoul(argv[2], &endptr, 0);
if (*endptr != '\0')
{
rt_kprintf("Error: Invalid core ID '%s'\n", argv[2]);
return 0;
}

thread = (rt_thread_t)thread_id;

if (rt_object_get_type(&thread->parent) != RT_Object_Class_Thread)
{
rt_kprintf("Error: Invalid thread ID %#lx\n", thread_id);
return 0;
}

result = rt_thread_control(thread, RT_THREAD_CTRL_BIND_CPU, (void *)core_id);
if (result == RT_EOK)
{
rt_kprintf("Thread 0x%lx bound to core %d successfully\n",
thread_id, core_id);
}
else
{
rt_kprintf("Failed to bind thread 0x%lx to core %d\n",
thread_id, core_id);
}
return 0;
}
MSH_CMD_EXPORT_ALIAS(cmd_bind, bind, Binding thread to core);
#endif /* RT_CPUS_NR > 1 */

#endif /* MSH_USING_BUILT_IN_COMMANDS */

static int msh_split(char *cmd, rt_size_t length, char *argv[FINSH_ARG_MAX])
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