On Tue, Jul 02, 2019 at 01:02:29PM +0300, Leon Romanovsky wrote: > From: Leon Romanovsky <leonro@xxxxxxxxxxxx> > > Changelog: > v4 -> v5: > * Patch #6 and #14 - consolidated many counter release functions, > removed mutex lock protection from dealloc_counter() call > and simplified kref_put/kref_get operations. > * Added Saeed's ACK tags. > v3 -> v4: > * Add counter_dealloc() callback function > * Moved to kref implementation > * Fixed lock during spinlock > v2 -> v3: > * We didn't change use of atomics over kref for management of unbind > counter from QP. The reason to it that bind and unbind are non-symmetric > in regards of put and get, so we need to count differently memory > release flows of HW objects (restrack) and SW bind operations. > * Everything else was addressed. > v1 -> v2: > * Rebased to latest rdma-next > v0 -> v1: > * Changed wording of counter comment > * Removed unneeded assignments > * Added extra patch to present global counters > > > Hi, > > This series from Mark provides dynamic statistics infrastructure. > He uses netlink interface to configure and retrieve those counters. > > This infrastructure allows to users monitor various objects by binding > to them counters. As the beginning, we used QP object as target for > those counters, but future patches will include ODP MR information too. > > Two binding modes are supported: > - Auto: This allows a user to build automatic set of objects to a counter > according to common criteria. For example in a per-type scheme, where in > one process all QPs with same QP type are bound automatically to a single > counter. > - Manual: This allows a user to manually bind objects on a counter. > > Those two modes are mutual-exclusive with separation between processes, > objects created by different processes cannot be bound to a same counter. > > For objects which don't support counter binding, we will return > pre-allocated counters. > > $ rdma statistic qp set link mlx5_2/1 auto type on > $ rdma statistic qp set link mlx5_2/1 auto off > $ rdma statistic qp bind link mlx5_2/1 lqpn 178 > $ rdma statistic qp unbind link mlx5_2/1 cntn 4 lqpn 178 > $ rdma statistic show > $ rdma statistic qp mode > > Thanks > > > Mark Zhang (17): > net/mlx5: Add rts2rts_qp_counters_set_id field in hca cap > RDMA/restrack: Introduce statistic counter > RDMA/restrack: Add an API to attach a task to a resource > RDMA/restrack: Make is_visible_in_pid_ns() as an API > RDMA/counter: Add set/clear per-port auto mode support > RDMA/counter: Add "auto" configuration mode support > IB/mlx5: Support set qp counter > IB/mlx5: Add counter set id as a parameter for > mlx5_ib_query_q_counters() > IB/mlx5: Support statistic q counter configuration > RDMA/nldev: Allow counter auto mode configration through RDMA netlink > RDMA/netlink: Implement counter dumpit calback > IB/mlx5: Add counter_alloc_stats() and counter_update_stats() support > RDMA/core: Get sum value of all counters when perform a sysfs stat > read > RDMA/counter: Allow manual mode configuration support > RDMA/nldev: Allow counter manual mode configration through RDMA > netlink > RDMA/nldev: Allow get counter mode through RDMA netlink > RDMA/nldev: Allow get default counter statistics through RDMA netlink Okay, applied to for-next Thanks, Jason
