为何加载example/kernel后，有些tc命令可用，有些tc命令不可用

发布于 2015-10-04 12:57:58 浏览：1893 订阅该版

\ | /
- RT -     Thread Operating System
 / | \     2.1.0 build Oct  3 2015
 2006 - 2015 Copyright by rt-thread team
finsh>>
--function:
restart          -- reboot PC
reboot           -- reboot PC
list_mem         -- list memory usage information
hello            -- say hello world
version          -- show RT-Thread version information
list_thread      -- list thread
list_sem         -- list semaphone in system
list_event       -- list event in system
list_mutex       -- list mutex in system
list_mailbox     -- list mail box in system
list_msgqueue    -- list message queue in system
list_mempool     -- list memory pool in system
list_timer       -- list timer in system
list_device      -- list device in system
list             -- list all symbol in system
tc_stop          -- stop testcase thread
tc_start         -- start testcase with testcase prefix or name
tc_loop          -- start testcase with testcase prefix or name in loop mode
list_tc          -- list all testcases
_tc_thread_static -- a static thread test
_tc_thread_dynamic -- a dynamic thread test
_tc_thread_priority -- a priority thread test
_tc_thread_same_priority -- a same priority thread test
_tc_thread_static_simple -- a static thread example
_tc_thread_dynamic_simple -- a dynamic thread example
_tc_thread_delete -- a thread delete example
_tc_thread_detach -- a static thread example
_tc_thread_yield -- a thread yield example
_tc_thread_suspend -- a thread suspend example
_tc_thread_resume -- a thread resume example
_tc_semaphore_static -- a static semaphore example
_tc_semaphore_dynamic -- a dynamic semaphore example
_tc_semaphore_priority -- a priority semaphore test
_tc_semaphore_buffer_worker -- a buffer worker with semaphore example
_tc_semaphore_producer_consumer -- producer and consumer example
_tc_mutex_simple -- sime mutex example
_tc_event_simple -- a simple event example
_tc_mbox_simple  -- a simple mailbox example
_tc_mbox_send_wait -- a example of mailbox send wait
_tc_messageq_simple -- a simple message queue example
_tc_timer_static -- a static timer example
_tc_timer_create -- a dynamic timer example
_tc_timer_stop_self -- a dynamic timer example
_tc_timer_control -- a timer control example
_tc_timer_timeout -- a thread timer testcase
_tc_heap_malloc  -- a heap malloc test
_tc_heap_realloc -- a heap re-malloc test
_tc_mempool_simple -- a memory pool example
_tc_sample       -- a thread testcase example
--variable:
dummy            -- dummy variable for finsh
_tc_scale        -- the testcase timer timeout scale
finsh>>_tc_mutex_simple()
Null node
finsh>>_tc_messageq_simple()
Null node
finsh>>_tc_event_simple()
Null node
finsh>>_tc_sample()
     	25, 0x00000019
finsh>>I'm sample!
_tc_memepool_simple()
Null node
finsh>>

_tc_sample()可以执行 但是为何_tc_mutex_simple() _tc_memepool_simple()都不行呢？
根据提示信息：
finsh>>tc_start()
TestCase Usage: tc_start(prefix)

list_tc() can list all testcases.
但是我执行：
finsh>>tc_start(thread_yield)
Unknown symbol
finsh>>