From: Leon Romanovsky <leonro@xxxxxxxxxxxx> Hi, This is supplementary (user-space) part of RDMA resource tracking posted to the RDMA mailing list for the review [1]. The main goal of this new functionality in RDMAtool is to provide debug visibility of running applications in RDMA stack. The current series adds new command object (resource) which provides short summary if it is called without arguments or more detailed information while it is called with request to present QPs. 1) Summary information: $ rdma res 1: mlx5_0: curr/max: pd 3/16777216 cq 5/16777216 qp 4/262144 2: mlx5_1: curr/max: pd 3/16777216 cq 5/16777216 qp 4/262144 3: mlx5_2: curr/max: pd 3/16777216 cq 5/16777216 qp 4/262144 4: mlx5_3: curr/max: pd 2/16777216 cq 3/16777216 qp 2/262144 5: mlx5_4: curr/max: pd 3/16777216 cq 5/16777216 qp 4/262144 2) Summary information of specific device: $ rdma res show mlx5_4 5: mlx5_4: curr/max: pd 3/16777216 cq 5/16777216 qp 4/262144 3) Detailed information of specific device: $ rdma res show qp link mlx5_4 DEV/PORT LQPN TYPE STATE PID COMM mlx5_4/- 8 UD RESET 0 [ipoib-verbs] mlx5_4/1 7 UD RTS 0 [mlx5-gsi] mlx5_4/1 1 GSI RTS 0 [rdma-mad] mlx5_4/1 0 SMI RTS 0 [rdma-mad] $ rdma res show qp link mlx5_4/ DEV/PORT LQPN TYPE STATE PID COMM mlx5_4/- 8 UD RESET 0 [ipoib-verbs] mlx5_4/1 7 UD RTS 0 [mlx5-gsi] mlx5_4/1 1 GSI RTS 0 [rdma-mad] mlx5_4/1 0 SMI RTS 0 [rdma-mad] 4) Wrong port (it can be 1 or 2): $ rdma res show qp link mlx5_4/0 Wrong device name 5) Detailed information of specific device and port: $ rdma res show qp link mlx5_4/1 DEV/PORT LQPN TYPE STATE PID COMM mlx5_4/1 7 UD RTS 0 [mlx5-gsi] mlx5_4/1 1 GSI RTS 0 [rdma-mad] mlx5_4/1 0 SMI RTS 0 [rdma-mad] 6) Detailed information of QPs not-connected to port yet: $ rdma res show qp link mlx5_4/- DEV/PORT LQPN TYPE STATE PID COMM mlx5_4/- 8 UD RESET 0 [ipoib-verbs] 7) Very detailed view: $ rdma res show qp link mlx5_4/- -d DEV/PORT LQPN RQPN TYPE STATE PID COMM SQ-PSN RQ-PSN PATH-MIG mlx5_4/- 8 --- UD RESET 0 [ipoib-verbs] 0 --- --- 8) Limit display to specific columns: $ rdma res show qp link mlx5_4/1 display pid,lqpn,comm DEV/PORT LQPN PID COMM mlx5_4/1 7 0 [mlx5-gsi] mlx5_4/1 1 0 [rdma-mad] mlx5_4/1 0 0 [rdma-mad] 9) Filter specific processes: $ rdma res show qp link mlx5_4/1 display pid,lqpn,comm pid 0-2000 DEV/PORT LQPN PID COMM mlx5_4/1 7 0 [mlx5-gsi] mlx5_4/1 1 0 [rdma-mad] mlx5_4/1 0 0 [rdma-mad] Thanks [1] https://marc.info/?l=linux-rdma&m=151488112032562&w=2 Leon Romanovsky (9): rdam: Add option to provide "-" sign for the port number rdma: Make visible the number of arguments rdma: Add filtering infrastructure rdma: Set pointer to device name position rdma: Allow external usage of compare string routine rdma: Update kernel header file rdma: Add resource tracking summary rdma: Add QP resource tracking information rdma: Document resource tracking include/uapi/rdma/rdma_netlink.h | 58 +++++- man/man8/rdma-resource.8 | 91 +++++++++ rdma/Makefile | 2 +- rdma/link.c | 2 +- rdma/rdma.c | 4 +- rdma/rdma.h | 23 ++- rdma/res.c | 411 +++++++++++++++++++++++++++++++++++++++ rdma/utils.c | 300 +++++++++++++++++++++++++++- 8 files changed, 874 insertions(+), 17 deletions(-) create mode 100644 man/man8/rdma-resource.8 create mode 100644 rdma/res.c -- 2.15.1 -- 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
