gem5  v20.1.0.0
stream_gen.cc
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2018 ARM Limited
3  * All rights reserved
4  *
5  * The license below extends only to copyright in the software and shall
6  * not be construed as granting a license to any other intellectual
7  * property including but not limited to intellectual property relating
8  * to a hardware implementation of the functionality of the software
9  * licensed here under. You may use the software subject to the license
10  * terms below provided that you ensure that this notice is replicated
11  * unmodified and in its entirety in all distributions of the software,
12  * modified or unmodified, in source code or in binary form.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions are
16  * met: redistributions of source code must retain the above copyright
17  * notice, this list of conditions and the following disclaimer;
18  * redistributions in binary form must reproduce the above copyright
19  * notice, this list of conditions and the following disclaimer in the
20  * documentation and/or other materials provided with the distribution;
21  * neither the name of the copyright holders nor the names of its
22  * contributors may be used to endorse or promote products derived from
23  * this software without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 #include "stream_gen.hh"
39 
40 #include "base/random.hh"
41 
42 StreamGen*
43 StreamGen::create(const BaseTrafficGenParams *p)
44 {
45  switch (p->stream_gen) {
46  case StreamGenType::fixed:
47  return new FixedStreamGen(p);
49  return new RandomStreamGen(p);
51  default:
52  return nullptr;
53  }
54 }
55 
56 uint32_t
58 {
59  // Pick a random entry in the vector of IDs
60  return svec[random_mt.random<size_t>(0, svec.size()-1)];
61 }
FixedStreamGen
Definition: stream_gen.hh:102
random.hh
std::vector< uint32_t >
Stats::none
const FlagsType none
Nothing extra to print.
Definition: info.hh:43
random_mt
Random random_mt
Definition: random.cc:96
StreamGen::create
static StreamGen * create(const BaseTrafficGenParams *p)
Factory method for constructing a Stream generator.
Definition: stream_gen.cc:43
stream_gen.hh
StreamGen
Definition: stream_gen.hh:49
RandomStreamGen
Definition: stream_gen.hh:121
RandomStreamGen::randomPick
uint32_t randomPick(const std::vector< uint32_t > &svec)
Function to pick one of the preset Stream or Substream ID.
Definition: stream_gen.cc:57
Random::random
std::enable_if< std::is_integral< T >::value, T >::type random()
Use the SFINAE idiom to choose an implementation based on whether the type is integral or floating po...
Definition: random.hh:86
MipsISA::random
random
Definition: pra_constants.hh:50
MipsISA::p
Bitfield< 0 > p
Definition: pra_constants.hh:323

Generated on Wed Sep 30 2020 14:02:09 for gem5 by doxygen 1.8.17