> From: Leon Romanovsky <leonro@xxxxxxxxxxxx> > > The RDMA subsystem has very strict set of objects to work on it, > but it completely lacks tracking facilities and no visibility of > resource utilization. > > The following patch adds such infrastructure to keep track of RDMA > resources to help with debugging of user space applications. The primary > user of this infrastructure is RDMA nldev netlink (following patches), > but it is not limited too. > > At this stage, the main three objects (PD, CQ and QP) are added, > and more will be added later. > > There are four new functions in use by RDMA/core: > * rdma_restrack_init(...) - initializes restrack database > * rdma_restrack_clean(...) - cleans restrack database > * rdma_restrack_add(...) - adds object to be tracked > * rdma_restrack_del(...) - removes object from tracking > > 3 functions and one iterator visible to kernel users: > * rdma_restrack_count(...) - returns number of allocated objects of > specific type > * rdma_restrack_lock(...) - Lock primitive to protect access to list > of resources > * rdma_restrack_unlock(...)- Unlock primitive to protect access to list > of resources > * for_each_res_safe(...) - iterates over all relevant objects in > the restrack database. > > Reviewed-by: Mark Bloch <markb@xxxxxxxxxxxx> > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> Reviewed-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
