mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-13 20:33:15 +00:00
RDS/IB: Stats and sysctls
IB-specific stats and sysctls. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Grover
David S. Miller
parent
1e23b3ee0e
commit
e6babe4cc4
95
net/rds/ib_stats.c
Normal file
95
net/rds/ib_stats.c
Normal file
@ -0,0 +1,95 @@
|
||||
/*
|
||||
* 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 <linux/percpu.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/proc_fs.h>
|
||||
|
||||
#include "rds.h"
|
||||
#include "ib.h"
|
||||
|
||||
DEFINE_PER_CPU(struct rds_ib_statistics, rds_ib_stats) ____cacheline_aligned;
|
||||
|
||||
static char *rds_ib_stat_names[] = {
|
||||
"ib_connect_raced",
|
||||
"ib_listen_closed_stale",
|
||||
"ib_tx_cq_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_call",
|
||||
"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 rds_ib_stats_info_copy(struct rds_info_iterator *iter,
|
||||
unsigned int avail)
|
||||
{
|
||||
struct rds_ib_statistics stats = {0, };
|
||||
uint64_t *src;
|
||||
uint64_t *sum;
|
||||
size_t i;
|
||||
int cpu;
|
||||
|
||||
if (avail < ARRAY_SIZE(rds_ib_stat_names))
|
||||
goto out;
|
||||
|
||||
for_each_online_cpu(cpu) {
|
||||
src = (uint64_t *)&(per_cpu(rds_ib_stats, cpu));
|
||||
sum = (uint64_t *)&stats;
|
||||
for (i = 0; i < sizeof(stats) / sizeof(uint64_t); i++)
|
||||
*(sum++) += *(src++);
|
||||
}
|
||||
|
||||
rds_stats_info_copy(iter, (uint64_t *)&stats, rds_ib_stat_names,
|
||||
ARRAY_SIZE(rds_ib_stat_names));
|
||||
out:
|
||||
return ARRAY_SIZE(rds_ib_stat_names);
|
||||
}
|
||||
137
net/rds/ib_sysctl.c
Normal file
137
net/rds/ib_sysctl.c
Normal file
@ -0,0 +1,137 @@
|
||||
/*
|
||||
* 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 <linux/kernel.h>
|
||||
#include <linux/sysctl.h>
|
||||
#include <linux/proc_fs.h>
|
||||
|
||||
#include "ib.h"
|
||||
|
||||
static struct ctl_table_header *rds_ib_sysctl_hdr;
|
||||
|
||||
unsigned long rds_ib_sysctl_max_send_wr = RDS_IB_DEFAULT_SEND_WR;
|
||||
unsigned long rds_ib_sysctl_max_recv_wr = RDS_IB_DEFAULT_RECV_WR;
|
||||
unsigned long rds_ib_sysctl_max_recv_allocation = (128 * 1024 * 1024) / RDS_FRAG_SIZE;
|
||||
static unsigned long rds_ib_sysctl_max_wr_min = 1;
|
||||
/* hardware will fail CQ creation long before this */
|
||||
static unsigned long rds_ib_sysctl_max_wr_max = (u32)~0;
|
||||
|
||||
unsigned long rds_ib_sysctl_max_unsig_wrs = 16;
|
||||
static unsigned long rds_ib_sysctl_max_unsig_wr_min = 1;
|
||||
static unsigned long rds_ib_sysctl_max_unsig_wr_max = 64;
|
||||
|
||||
unsigned long rds_ib_sysctl_max_unsig_bytes = (16 << 20);
|
||||
static unsigned long rds_ib_sysctl_max_unsig_bytes_min = 1;
|
||||
static unsigned long rds_ib_sysctl_max_unsig_bytes_max = ~0UL;
|
||||
|
||||
unsigned int rds_ib_sysctl_flow_control = 1;
|
||||
|
||||
ctl_table rds_ib_sysctl_table[] = {
|
||||
{
|
||||
.ctl_name = CTL_UNNUMBERED,
|
||||
.procname = "max_send_wr",
|
||||
.data = &rds_ib_sysctl_max_send_wr,
|
||||
.maxlen = sizeof(unsigned long),
|
||||
.mode = 0644,
|
||||
.proc_handler = &proc_doulongvec_minmax,
|
||||
.extra1 = &rds_ib_sysctl_max_wr_min,
|
||||
.extra2 = &rds_ib_sysctl_max_wr_max,
|
||||
},
|
||||
{
|
||||
.ctl_name = CTL_UNNUMBERED,
|
||||
.procname = "max_recv_wr",
|
||||
.data = &rds_ib_sysctl_max_recv_wr,
|
||||
.maxlen = sizeof(unsigned long),
|
||||
.mode = 0644,
|
||||
.proc_handler = &proc_doulongvec_minmax,
|
||||
.extra1 = &rds_ib_sysctl_max_wr_min,
|
||||
.extra2 = &rds_ib_sysctl_max_wr_max,
|
||||
},
|
||||
{
|
||||
.ctl_name = CTL_UNNUMBERED,
|
||||
.procname = "max_unsignaled_wr",
|
||||
.data = &rds_ib_sysctl_max_unsig_wrs,
|
||||
.maxlen = sizeof(unsigned long),
|
||||
.mode = 0644,
|
||||
.proc_handler = &proc_doulongvec_minmax,
|
||||
.extra1 = &rds_ib_sysctl_max_unsig_wr_min,
|
||||
.extra2 = &rds_ib_sysctl_max_unsig_wr_max,
|
||||
},
|
||||
{
|
||||
.ctl_name = CTL_UNNUMBERED,
|
||||
.procname = "max_unsignaled_bytes",
|
||||
.data = &rds_ib_sysctl_max_unsig_bytes,
|
||||
.maxlen = sizeof(unsigned long),
|
||||
.mode = 0644,
|
||||
.proc_handler = &proc_doulongvec_minmax,
|
||||
.extra1 = &rds_ib_sysctl_max_unsig_bytes_min,
|
||||
.extra2 = &rds_ib_sysctl_max_unsig_bytes_max,
|
||||
},
|
||||
{
|
||||
.ctl_name = CTL_UNNUMBERED,
|
||||
.procname = "max_recv_allocation",
|
||||
.data = &rds_ib_sysctl_max_recv_allocation,
|
||||
.maxlen = sizeof(unsigned long),
|
||||
.mode = 0644,
|
||||
.proc_handler = &proc_doulongvec_minmax,
|
||||
},
|
||||
{
|
||||
.ctl_name = CTL_UNNUMBERED,
|
||||
.procname = "flow_control",
|
||||
.data = &rds_ib_sysctl_flow_control,
|
||||
.maxlen = sizeof(rds_ib_sysctl_flow_control),
|
||||
.mode = 0644,
|
||||
.proc_handler = &proc_dointvec,
|
||||
},
|
||||
{ .ctl_name = 0}
|
||||
};
|
||||
|
||||
static struct ctl_path rds_ib_sysctl_path[] = {
|
||||
{ .procname = "net", .ctl_name = CTL_NET, },
|
||||
{ .procname = "rds", .ctl_name = CTL_UNNUMBERED, },
|
||||
{ .procname = "ib", .ctl_name = CTL_UNNUMBERED, },
|
||||
{ }
|
||||
};
|
||||
|
||||
void rds_ib_sysctl_exit(void)
|
||||
{
|
||||
if (rds_ib_sysctl_hdr)
|
||||
unregister_sysctl_table(rds_ib_sysctl_hdr);
|
||||
}
|
||||
|
||||
int __init rds_ib_sysctl_init(void)
|
||||
{
|
||||
rds_ib_sysctl_hdr = register_sysctl_paths(rds_ib_sysctl_path, rds_ib_sysctl_table);
|
||||
if (rds_ib_sysctl_hdr == NULL)
|
||||
return -ENOMEM;
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user