173a786921
This patch allows the ruby random tester to use ruby ports that may only support instr or data requests. This patch is similar to a previous changeset (8932:1b2c17565ac8) that was unfortunately broken by subsequent changesets. This current patch implements the support in a more straight-forward way. Since retries are now tested when running the ruby random tester, this patch splits up the retry and drain check behavior so that RubyPort children, such as the GPUCoalescer, can perform those operations correctly without having to duplicate code. Finally, the patch also includes better DPRINTFs for debugging the tester.
272 lines
12 KiB
Python
272 lines
12 KiB
Python
# Copyright (c) 2006-2007 The Regents of The University of Michigan
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# Copyright (c) 2009 Advanced Micro Devices, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Brad Beckmann
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import math
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import m5
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from m5.objects import *
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from m5.defines import buildEnv
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from Ruby import create_topology
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from Ruby import send_evicts
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#
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# Declare caches used by the protocol
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#
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class L1Cache(RubyCache): pass
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class L2Cache(RubyCache): pass
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#
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# Probe filter is a cache
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#
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class ProbeFilter(RubyCache): pass
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def define_options(parser):
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parser.add_option("--allow-atomic-migration", action="store_true",
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help="allow migratory sharing for atomic only accessed blocks")
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parser.add_option("--pf-on", action="store_true",
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help="Hammer: enable Probe Filter")
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parser.add_option("--dir-on", action="store_true",
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help="Hammer: enable Full-bit Directory")
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def create_system(options, full_system, system, dma_ports, ruby_system):
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if buildEnv['PROTOCOL'] != 'MOESI_hammer':
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panic("This script requires the MOESI_hammer protocol to be built.")
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cpu_sequencers = []
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#
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# The ruby network creation expects the list of nodes in the system to be
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# consistent with the NetDest list. Therefore the l1 controller nodes must be
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# listed before the directory nodes and directory nodes before dma nodes, etc.
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#
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l1_cntrl_nodes = []
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dir_cntrl_nodes = []
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dma_cntrl_nodes = []
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#
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# Must create the individual controllers before the network to ensure the
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# controller constructors are called before the network constructor
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#
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block_size_bits = int(math.log(options.cacheline_size, 2))
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for i in xrange(options.num_cpus):
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#
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# First create the Ruby objects associated with this cpu
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#
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l1i_cache = L1Cache(size = options.l1i_size,
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assoc = options.l1i_assoc,
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start_index_bit = block_size_bits,
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is_icache = True)
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l1d_cache = L1Cache(size = options.l1d_size,
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assoc = options.l1d_assoc,
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start_index_bit = block_size_bits)
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l2_cache = L2Cache(size = options.l2_size,
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assoc = options.l2_assoc,
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start_index_bit = block_size_bits)
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# the ruby random tester reuses num_cpus to specify the
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# number of cpu ports connected to the tester object, which
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# is stored in system.cpu. because there is only ever one
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# tester object, num_cpus is not necessarily equal to the
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# size of system.cpu; therefore if len(system.cpu) == 1
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# we use system.cpu[0] to set the clk_domain, thereby ensuring
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# we don't index off the end of the cpu list.
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if len(system.cpu) == 1:
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clk_domain = system.cpu[0].clk_domain
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else:
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clk_domain = system.cpu[i].clk_domain
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l1_cntrl = L1Cache_Controller(version=i, L1Icache=l1i_cache,
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L1Dcache=l1d_cache, L2cache=l2_cache,
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no_mig_atomic=not \
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options.allow_atomic_migration,
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send_evictions=send_evicts(options),
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transitions_per_cycle=options.ports,
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clk_domain=clk_domain,
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ruby_system=ruby_system)
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cpu_seq = RubySequencer(version=i, icache=l1i_cache,
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dcache=l1d_cache,clk_domain=clk_domain,
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ruby_system=ruby_system)
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l1_cntrl.sequencer = cpu_seq
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if options.recycle_latency:
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l1_cntrl.recycle_latency = options.recycle_latency
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exec("ruby_system.l1_cntrl%d = l1_cntrl" % i)
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# Add controllers and sequencers to the appropriate lists
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cpu_sequencers.append(cpu_seq)
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l1_cntrl_nodes.append(l1_cntrl)
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# Connect the L1 controller and the network
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# Connect the buffers from the controller to network
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l1_cntrl.requestFromCache = MessageBuffer()
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l1_cntrl.requestFromCache.master = ruby_system.network.slave
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l1_cntrl.responseFromCache = MessageBuffer()
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l1_cntrl.responseFromCache.master = ruby_system.network.slave
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l1_cntrl.unblockFromCache = MessageBuffer()
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l1_cntrl.unblockFromCache.master = ruby_system.network.slave
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l1_cntrl.triggerQueue = MessageBuffer()
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# Connect the buffers from the network to the controller
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l1_cntrl.mandatoryQueue = MessageBuffer()
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l1_cntrl.forwardToCache = MessageBuffer()
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l1_cntrl.forwardToCache.slave = ruby_system.network.master
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l1_cntrl.responseToCache = MessageBuffer()
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l1_cntrl.responseToCache.slave = ruby_system.network.master
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phys_mem_size = sum(map(lambda r: r.size(), system.mem_ranges))
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assert(phys_mem_size % options.num_dirs == 0)
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mem_module_size = phys_mem_size / options.num_dirs
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#
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# determine size and index bits for probe filter
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# By default, the probe filter size is configured to be twice the
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# size of the L2 cache.
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#
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pf_size = MemorySize(options.l2_size)
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pf_size.value = pf_size.value * 2
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dir_bits = int(math.log(options.num_dirs, 2))
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pf_bits = int(math.log(pf_size.value, 2))
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if options.numa_high_bit:
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if options.pf_on or options.dir_on:
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# if numa high bit explicitly set, make sure it does not overlap
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# with the probe filter index
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assert(options.numa_high_bit - dir_bits > pf_bits)
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# set the probe filter start bit to just above the block offset
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pf_start_bit = block_size_bits
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else:
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if dir_bits > 0:
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pf_start_bit = dir_bits + block_size_bits - 1
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else:
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pf_start_bit = block_size_bits
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# Run each of the ruby memory controllers at a ratio of the frequency of
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# the ruby system
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# clk_divider value is a fix to pass regression.
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ruby_system.memctrl_clk_domain = DerivedClockDomain(
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clk_domain=ruby_system.clk_domain,
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clk_divider=3)
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for i in xrange(options.num_dirs):
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dir_size = MemorySize('0B')
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dir_size.value = mem_module_size
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pf = ProbeFilter(size = pf_size, assoc = 4,
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start_index_bit = pf_start_bit)
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dir_cntrl = Directory_Controller(version = i,
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directory = RubyDirectoryMemory(
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version = i, size = dir_size),
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probeFilter = pf,
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probe_filter_enabled = options.pf_on,
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full_bit_dir_enabled = options.dir_on,
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transitions_per_cycle = options.ports,
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ruby_system = ruby_system)
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if options.recycle_latency:
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dir_cntrl.recycle_latency = options.recycle_latency
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exec("ruby_system.dir_cntrl%d = dir_cntrl" % i)
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dir_cntrl_nodes.append(dir_cntrl)
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# Connect the directory controller to the network
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dir_cntrl.forwardFromDir = MessageBuffer()
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dir_cntrl.forwardFromDir.master = ruby_system.network.slave
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dir_cntrl.responseFromDir = MessageBuffer()
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dir_cntrl.responseFromDir.master = ruby_system.network.slave
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dir_cntrl.dmaResponseFromDir = MessageBuffer(ordered = True)
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dir_cntrl.dmaResponseFromDir.master = ruby_system.network.slave
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dir_cntrl.triggerQueue = MessageBuffer(ordered = True)
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dir_cntrl.unblockToDir = MessageBuffer()
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dir_cntrl.unblockToDir.slave = ruby_system.network.master
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dir_cntrl.responseToDir = MessageBuffer()
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dir_cntrl.responseToDir.slave = ruby_system.network.master
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dir_cntrl.requestToDir = MessageBuffer()
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dir_cntrl.requestToDir.slave = ruby_system.network.master
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dir_cntrl.dmaRequestToDir = MessageBuffer(ordered = True)
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dir_cntrl.dmaRequestToDir.slave = ruby_system.network.master
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dir_cntrl.responseFromMemory = MessageBuffer()
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for i, dma_port in enumerate(dma_ports):
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#
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# Create the Ruby objects associated with the dma controller
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#
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dma_seq = DMASequencer(version = i,
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ruby_system = ruby_system,
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slave = dma_port)
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dma_cntrl = DMA_Controller(version = i,
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dma_sequencer = dma_seq,
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transitions_per_cycle = options.ports,
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ruby_system = ruby_system)
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exec("ruby_system.dma_cntrl%d = dma_cntrl" % i)
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dma_cntrl_nodes.append(dma_cntrl)
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if options.recycle_latency:
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dma_cntrl.recycle_latency = options.recycle_latency
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# Connect the dma controller to the network
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dma_cntrl.responseFromDir = MessageBuffer(ordered = True)
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dma_cntrl.responseFromDir.slave = ruby_system.network.master
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dma_cntrl.requestToDir = MessageBuffer()
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dma_cntrl.requestToDir.master = ruby_system.network.slave
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dma_cntrl.mandatoryQueue = MessageBuffer()
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all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes + dma_cntrl_nodes
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# Create the io controller and the sequencer
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if full_system:
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io_seq = DMASequencer(version=len(dma_ports), ruby_system=ruby_system)
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ruby_system._io_port = io_seq
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io_controller = DMA_Controller(version = len(dma_ports),
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dma_sequencer = io_seq,
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ruby_system = ruby_system)
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ruby_system.io_controller = io_controller
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# Connect the dma controller to the network
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io_controller.responseFromDir = MessageBuffer(ordered = True)
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io_controller.responseFromDir.slave = ruby_system.network.master
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io_controller.requestToDir = MessageBuffer()
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io_controller.requestToDir.master = ruby_system.network.slave
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io_controller.mandatoryQueue = MessageBuffer()
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all_cntrls = all_cntrls + [io_controller]
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ruby_system.network.number_of_virtual_networks = 6
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topology = create_topology(all_cntrls, options)
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return (cpu_sequencers, dir_cntrl_nodes, topology)
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