Changes between Version 10 and Version 11 of kernel_synchro


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Timestamp:
Nov 1, 2018, 5:43:58 PM (3 years ago)
Author:
alain
Comment:

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  • kernel_synchro

    v10 v11  
    5858Each thread contains - besides the ''busylocks'' counter - an optional ''busylocks_root'' field, that is the root of the embedded xlist of (local or remote) busylocks hold by a given thread at a given time. This list is implemented by an optional ''xlist'' field in the busy lock descriptor. It  is dynamically updated by the ''busylock_acquire()'' and ''busylock_release()'' functions. The set of taken busylocks is printed in the error message, when the scheduler detects that a descheduling thread is holding one or several busylocks. This list can also be be printed through the ''idbg'' interactive debugger, for any thread identified by its (pid,trdid).
    5959
    60 Moreover, when the DEBUG_BUSYLOCK  is set, it is possible to trace all busylocck_acquire() / busylock_release() for one single thread identified by the DEBUG_BUSYLOCK_THREAD_XP parameter. 
     60Moreover, when the DEBUG_BUSYLOCK  is set, it is possible to trace all busylocck_acquire() / busylock_release() for one single thread, by setting a non zero value for the the DEBUG_BUSYLOCK_THREAD_XP parameter. 
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