gem5/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc
David Guillen Fandos 70798b1ba0 stats: Fixing regStats function for some SimObjects
Fixing an issue with regStats not calling the parent class method
for most SimObjects in Gem5. This causes issues if one adds new
stats in the base class (since they are never initialized properly!).

Change-Id: Iebc5aa66f58816ef4295dc8e48a357558d76a77c
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-06-06 17:16:43 +01:00

124 lines
4.5 KiB
C++

/*
* Copyright (c) 2008 Princeton University
* All rights reserved.
*
* 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;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Niket Agarwal
*/
#include "mem/ruby/network/garnet/BaseGarnetNetwork.hh"
#include "mem/ruby/network/MessageBuffer.hh"
using namespace std;
BaseGarnetNetwork::BaseGarnetNetwork(const Params *p)
: Network(p)
{
m_ni_flit_size = p->ni_flit_size;
m_vcs_per_vnet = p->vcs_per_vnet;
m_enable_fault_model = p->enable_fault_model;
if (m_enable_fault_model)
fault_model = p->fault_model;
// Currently Garnet only supports uniform bandwidth for all
// links and network interfaces.
for (std::vector<BasicExtLink*>::const_iterator i = p->ext_links.begin();
i != p->ext_links.end(); ++i) {
BasicExtLink* ext_link = (*i);
if (ext_link->params()->bandwidth_factor != m_ni_flit_size) {
fatal("Garnet only supports uniform bw across all links and NIs\n");
}
}
for (std::vector<BasicIntLink*>::const_iterator i = p->int_links.begin();
i != p->int_links.end(); ++i) {
BasicIntLink* int_link = (*i);
if (int_link->params()->bandwidth_factor != m_ni_flit_size) {
fatal("Garnet only supports uniform bw across all links and NIs\n");
}
}
}
void
BaseGarnetNetwork::init()
{
Network::init();
}
void
BaseGarnetNetwork::regStats()
{
Network::regStats();
m_flits_received
.init(m_virtual_networks)
.name(name() + ".flits_received")
.flags(Stats::pdf | Stats::total | Stats::nozero | Stats::oneline)
;
m_flits_injected
.init(m_virtual_networks)
.name(name() + ".flits_injected")
.flags(Stats::pdf | Stats::total | Stats::nozero | Stats::oneline)
;
m_network_latency
.init(m_virtual_networks)
.name(name() + ".network_latency")
.flags(Stats::oneline)
;
m_queueing_latency
.init(m_virtual_networks)
.name(name() + ".queueing_latency")
.flags(Stats::oneline)
;
for (int i = 0; i < m_virtual_networks; i++) {
m_flits_received.subname(i, csprintf("vnet-%i", i));
m_flits_injected.subname(i, csprintf("vnet-%i", i));
m_network_latency.subname(i, csprintf("vnet-%i", i));
m_queueing_latency.subname(i, csprintf("vnet-%i", i));
}
m_avg_vnet_latency
.name(name() + ".average_vnet_latency")
.flags(Stats::oneline);
m_avg_vnet_latency = m_network_latency / m_flits_received;
m_avg_vqueue_latency
.name(name() + ".average_vqueue_latency")
.flags(Stats::oneline);
m_avg_vqueue_latency = m_queueing_latency / m_flits_received;
m_avg_network_latency.name(name() + ".average_network_latency");
m_avg_network_latency = sum(m_network_latency) / sum(m_flits_received);
m_avg_queueing_latency.name(name() + ".average_queueing_latency");
m_avg_queueing_latency = sum(m_queueing_latency) / sum(m_flits_received);
m_avg_latency.name(name() + ".average_latency");
m_avg_latency = m_avg_network_latency + m_avg_queueing_latency;
}