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/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* This file contains code imported from the OFED rds source file ib_stats.c
* Oracle elects to have and use the contents of ib_stats.c under and governed
* by the OpenIB.org BSD license (see below for full license text). However,
* the following notice accompanied the original version of this file:
*/
/*
* Copyright (c) 2006 Oracle. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#include <sys/rds.h>
#include <sys/ib/clients/rdsv3/rdsv3.h>
#include <sys/ib/clients/rdsv3/ib.h>
#include <sys/ib/clients/rdsv3/rdsv3_debug.h>
struct rdsv3_ib_statistics *rdsv3_ib_stats = NULL;
static char *rdsv3_ib_stat_names[] = {
"ib_connect_raced",
"ib_listen_closed_stale",
"ib_evt_handler_call",
"ib_tasklet_call",
"ib_tx_cq_event",
"ib_tx_ring_full",
"ib_tx_throttle",
"ib_tx_sg_mapping_failure",
"ib_tx_stalled",
"ib_tx_credit_updates",
"ib_rx_cq_event",
"ib_rx_ring_empty",
"ib_rx_refill_from_cq",
"ib_rx_refill_from_thread",
"ib_rx_alloc_limit",
"ib_rx_credit_updates",
"ib_ack_sent",
"ib_ack_send_failure",
"ib_ack_send_delayed",
"ib_ack_send_piggybacked",
"ib_ack_received",
"ib_rdma_mr_alloc",
"ib_rdma_mr_free",
"ib_rdma_mr_used",
"ib_rdma_mr_pool_flush",
"ib_rdma_mr_pool_wait",
"ib_rdma_mr_pool_depleted",
};
unsigned int
rdsv3_ib_stats_info_copy(struct rdsv3_info_iterator *iter,
unsigned int avail)
{
struct rdsv3_ib_statistics stats = {0, };
uint64_t *src;
uint64_t *sum;
size_t i;
int cpu;
RDSV3_DPRINTF4("rdsv3_ib_stats_info_copy", "iter: %p, avail: %d",
iter, avail);
if (avail < ARRAY_SIZE(rdsv3_ib_stat_names))
goto out;
for (cpu = 0; cpu < nr_cpus; cpu++) {
src = (uint64_t *)&(rdsv3_per_cpu(rdsv3_ib_stats, cpu));
sum = (uint64_t *)&stats;
for (i = 0; i < sizeof (stats) / sizeof (uint64_t); i++)
*(sum++) += *(src++);
}
rdsv3_stats_info_copy(iter, (uint64_t *)&stats, rdsv3_ib_stat_names,
ARRAY_SIZE(rdsv3_ib_stat_names));
RDSV3_DPRINTF4("rdsv3_ib_stats_info_copy",
"Return: iter: %p, avail: %d", iter, avail);
out:
return (ARRAY_SIZE(rdsv3_ib_stat_names));
}
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