Hello you can try to print running task backtrack information in kernel/lockdep.c
Regards Sanjeev Sharma On Tue, Jan 27, 2015 at 11:27 AM, manty kuma <[email protected]> wrote: > Hi All, > > Currently I am looking into an issue which is holding the printk > lock(logbuf_lock) > > logbuf_lock = { > raw_lock = { > owner = 0, > next = 4 > } > } > > I read about ticketing spinlocks to understand the above output. I > understood that 4 cpu's are waiting for the lock while someone already has > it. > > I would like to know who has it? Is there a way I can know which process > is acquiring a given spinlock? Is the information not stored in it? > > I am using crash tool to analyse the dump > > Regards, > Manty > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > >
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