/usr/include/infiniband/opensm/osm_stats.h is in libopensm-dev 3.3.20-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. 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.
*
*/
/*
* Abstract:
* Declaration of osm_stats_t.
* This object represents the OpenSM statistics object.
* This object is part of the OpenSM family of objects.
*/
#ifndef _OSM_STATS_H_
#define _OSM_STATS_H_
#ifdef HAVE_LIBPTHREAD
#include <pthread.h>
#else
#include <complib/cl_event.h>
#endif
#include <complib/cl_atomic.h>
#include <opensm/osm_base.h>
#ifdef __cplusplus
# define BEGIN_C_DECLS extern "C" {
# define END_C_DECLS }
#else /* !__cplusplus */
# define BEGIN_C_DECLS
# define END_C_DECLS
#endif /* __cplusplus */
BEGIN_C_DECLS
/****h* OpenSM/Statistics
* NAME
* OpenSM
*
* DESCRIPTION
* The OpenSM object encapsulates the information needed by the
* OpenSM to track interesting traffic and internal statistics.
*
* AUTHOR
* Steve King, Intel
*
*********/
/****s* OpenSM: Statistics/osm_stats_t
* NAME
* osm_stats_t
*
* DESCRIPTION
* OpenSM statistics block.
*
* SYNOPSIS
*/
typedef struct osm_stats {
atomic32_t qp0_mads_outstanding;
atomic32_t qp0_mads_outstanding_on_wire;
atomic32_t qp0_mads_rcvd;
atomic32_t qp0_mads_sent;
atomic32_t qp0_unicasts_sent;
atomic32_t qp0_mads_rcvd_unknown;
atomic32_t sa_mads_outstanding;
atomic32_t sa_mads_rcvd;
atomic32_t sa_mads_sent;
atomic32_t sa_mads_rcvd_unknown;
atomic32_t sa_mads_ignored;
#ifdef HAVE_LIBPTHREAD
pthread_mutex_t mutex;
pthread_cond_t cond;
#else
cl_event_t event;
#endif
} osm_stats_t;
/*
* FIELDS
* qp0_mads_outstanding
* Contains the number of MADs outstanding on QP0.
* When this value reaches zero, OpenSM has discovered all
* nodes on the subnet, and finished retrieving attributes.
* At that time, subnet configuration may begin.
* This variable must be manipulated using atomic instructions.
*
* qp0_mads_outstanding_on_wire
* The number of MADs outstanding on the wire at any moment.
*
* qp0_mads_rcvd
* Total number of QP0 MADs received.
*
* qp0_mads_sent
* Total number of QP0 MADs sent.
*
* qp0_unicasts_sent
* Total number of response-less MADs sent on the wire. This count
* includes getresp(), send() and trap() methods.
*
* qp0_mads_rcvd_unknown
* Total number of unknown QP0 MADs received. This includes
* unrecognized attribute IDs and methods.
*
* sa_mads_outstanding
* Contains the number of SA MADs outstanding on QP1.
*
* sa_mads_rcvd
* Total number of SA MADs received.
*
* sa_mads_sent
* Total number of SA MADs sent.
*
* sa_mads_rcvd_unknown
* Total number of unknown SA MADs received. This includes
* unrecognized attribute IDs and methods.
*
* sa_mads_ignored
* Total number of SA MADs received because SM is not
* master or SM is in first time sweep.
*
* SEE ALSO
***************/
static inline uint32_t osm_stats_inc_qp0_outstanding(osm_stats_t *stats)
{
uint32_t outstanding;
#ifdef HAVE_LIBPTHREAD
pthread_mutex_lock(&stats->mutex);
outstanding = ++stats->qp0_mads_outstanding;
pthread_mutex_unlock(&stats->mutex);
#else
outstanding = cl_atomic_inc(&stats->qp0_mads_outstanding);
#endif
return outstanding;
}
static inline uint32_t osm_stats_dec_qp0_outstanding(osm_stats_t *stats)
{
uint32_t outstanding;
#ifdef HAVE_LIBPTHREAD
pthread_mutex_lock(&stats->mutex);
outstanding = --stats->qp0_mads_outstanding;
if (!outstanding)
pthread_cond_signal(&stats->cond);
pthread_mutex_unlock(&stats->mutex);
#else
outstanding = cl_atomic_dec(&stats->qp0_mads_outstanding);
if (!outstanding)
cl_event_signal(&stats->event);
#endif
return outstanding;
}
END_C_DECLS
#endif /* _OSM_STATS_H_ */
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