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rdma: Add default counter show support

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Show default counter statistics, which are same through the sysfs
interface: /sys/class/infiniband/<dev>/ports/<port>/hw_counters/

Example:
$ rdma stat show link mlx5_2/1
link mlx5_2/1 rx_write_requests 8 rx_read_requests 4 rx_atomic_requests 0
out_of_buffer 0 out_of_sequence 0 duplicate_request 0 rnr_nak_retry_err 0
packet_seq_err 0 implied_nak_seq_err 0 local_ack_timeout_err 0
resp_local_length_error 0 resp_cqe_error 0 req_cqe_error 0
req_remote_invalid_request 0 req_remote_access_errors 0
resp_remote_access_errors 0 resp_cqe_flush_error 0 req_cqe_flush_error 0
rp_cnp_ignored 0 rp_cnp_handled 0 np_ecn_marked_roce_packets 0
np_cnp_sent 0 rx_icrc_encapsulated 0

Signed-off-by: Mark Zhang <markz@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Mark Zhang 2019-07-17 17:31:55 +03:00 committed by Stephen Hemminger
parent a6d0773ebe
commit a7137e517f
1 changed files with 73 additions and 1 deletions
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74
rdma/stat.c
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@ -17,6 +17,8 @@ static int stat_help(struct rd *rd)
pr_out(" %s statistic OBJECT set COUNTER_SCOPE [DEV/PORT_INDEX] auto {CRITERIA | off}\n", rd->filename);
pr_out(" %s statistic OBJECT bind COUNTER_SCOPE [DEV/PORT_INDEX] [OBJECT-ID] [COUNTER-ID]\n", rd->filename);
pr_out(" %s statistic OBJECT unbind COUNTER_SCOPE [DEV/PORT_INDEX] [COUNTER-ID]\n", rd->filename);
pr_out(" %s statistic show\n", rd->filename);
pr_out(" %s statistic show link [ DEV/PORT_INDEX ]\n", rd->filename);
pr_out("where OBJECT: = { qp }\n");
pr_out(" CRITERIA : = { type }\n");
pr_out(" COUNTER_SCOPE: = { link | dev }\n");
@ -31,6 +33,8 @@ static int stat_help(struct rd *rd)
pr_out(" %s statistic qp bind link mlx5_2/1 lqpn 178 cntn 4\n", rd->filename);
pr_out(" %s statistic qp unbind link mlx5_2/1 cntn 4\n", rd->filename);
pr_out(" %s statistic qp unbind link mlx5_2/1 cntn 4 lqpn 178\n", rd->filename);
pr_out(" %s statistic show\n", rd->filename);
pr_out(" %s statistic show link mlx5_2/1\n", rd->filename);
return 0;
}
@ -674,10 +678,78 @@ static int stat_qp(struct rd *rd)
return rd_exec_cmd(rd, cmds, "parameter");
}
static int stat_show_parse_cb(const struct nlmsghdr *nlh, void *data)
{
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
struct rd *rd = data;
const char *name;
uint32_t port;
int ret;
mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
!tb[RDMA_NLDEV_ATTR_PORT_INDEX] ||
!tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS])
return MNL_CB_ERROR;
name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
port = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
if (rd->json_output) {
jsonw_string_field(rd->jw, "ifname", name);
jsonw_uint_field(rd->jw, "port", port);
} else {
pr_out("link %s/%u ", name, port);
}
ret = res_get_hwcounters(rd, tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS], true);
if (!rd->json_output)
pr_out("\n");
return ret;
}
static int stat_show_one_link(struct rd *rd)
{
int flags = NLM_F_REQUEST | NLM_F_ACK;
uint32_t seq;
int ret;
if (!rd->port_idx)
return 0;
rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_GET, &seq, flags);
mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
ret = rd_send_msg(rd);
if (ret)
return ret;
return rd_recv_msg(rd, stat_show_parse_cb, rd, seq);
}
static int stat_show_link(struct rd *rd)
{
return rd_exec_link(rd, stat_show_one_link, false);
}
static int stat_show(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, stat_show_link },
{ "link", stat_show_link },
{ "help", stat_help },
{ 0 }
};
return rd_exec_cmd(rd, cmds, "parameter");
}
int cmd_stat(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, stat_help },
{ NULL, stat_show },
{ "show", stat_show },
{ "list", stat_show },
{ "help", stat_help },
{ "qp", stat_qp },
{ 0 }