read_addr_mask = Param.Addr(MaxAddr, "Address mask for read address")
write_addr_mask = Param.Addr(MaxAddr, "Address mask for write address")
disable_addr_dists = Param.Bool(True, "Disable address distributions")
-
- # optional stack distance calculator
- stack_dist_calc = Param.StackDistCalc(NULL, "Stack distance calculator")
SimObject('ExternalSlave.py')
SimObject('MemObject.py')
SimObject('SimpleMemory.py')
-SimObject('StackDistCalc.py')
SimObject('XBar.py')
Source('abstract_mem.cc')
+++ /dev/null
-# Copyright (c) 2014 ARM Limited
-# All rights reserved.
-#
-# The license below extends only to copyright in the software and shall
-# not be construed as granting a license to any other intellectual
-# property including but not limited to intellectual property relating
-# to a hardware implementation of the functionality of the software
-# licensed hereunder. You may use the software subject to the license
-# terms below provided that you ensure that this notice is replicated
-# unmodified and in its entirety in all distributions of the software,
-# modified or unmodified, in source code or in binary form.
-#
-# 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: Andreas Hansson
-
-from m5.SimObject import SimObject
-from m5.params import *
-
-class StackDistCalc(SimObject):
- type = 'StackDistCalc'
- cxx_header = "mem/stack_dist_calc.hh"
-
- # enable verification stack
- verify = Param.Bool(False, "Verify behaviuor with reference implementation")
-
- # linear histogram bins and enable/disable
- linear_hist_bins = Param.Unsigned('16', "Bins in linear histograms")
- disable_linear_hists = Param.Bool(False, "Disable linear histograms")
-
- # logarithmic histogram bins and enable/disable
- log_hist_bins = Param.Unsigned('32', "Bins in logarithmic histograms")
- disable_log_hists = Param.Bool(False, "Disable logarithmic histograms")
samplePeriod(params->sample_period / SimClock::Float::s),
readAddrMask(params->read_addr_mask),
writeAddrMask(params->write_addr_mask),
- stackDistCalc(params->stack_dist_calc),
system(params->system),
traceStream(nullptr),
stats(params)
{
ppPktReq->notify(pkt);
- // do stack distance calculations if enabled
- if (stackDistCalc)
- stackDistCalc->update(pkt->cmd, pkt->getAddr());
-
// if tracing enabled, store the packet information
// to the trace stream
if (traceStream != NULL) {
pkt->cmd = response_cmd;
}
- // If successful and we are calculating stack distances, update
- // the calculator
- if (successful && stackDistCalc)
- stackDistCalc->update(cmd, addr);
-
if (successful && traceStream != NULL) {
// Create a protobuf message representing the
// packet. Currently we do not preserve the flags in the
#include "base/statistics.hh"
#include "mem/mem_object.hh"
-#include "mem/stack_dist_calc.hh"
#include "params/CommMonitor.hh"
#include "proto/protoio.hh"
#include "sim/probe/mem.hh"
/** Address mask for sources of write accesses to be captured */
const Addr writeAddrMask;
- /** Optional stack distance calculator */
- StackDistCalc *const stackDistCalc;
-
/** The system in which the monitor lives */
System *const system;
SimObject('BaseMemProbe.py')
Source('base.cc')
+
+SimObject('StackDistProbe.py')
+Source('stack_dist.cc')
--- /dev/null
+# Copyright (c) 2014-2015 ARM Limited
+# All rights reserved.
+#
+# The license below extends only to copyright in the software and shall
+# not be construed as granting a license to any other intellectual
+# property including but not limited to intellectual property relating
+# to a hardware implementation of the functionality of the software
+# licensed hereunder. You may use the software subject to the license
+# terms below provided that you ensure that this notice is replicated
+# unmodified and in its entirety in all distributions of the software,
+# modified or unmodified, in source code or in binary form.
+#
+# 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: Andreas Hansson
+# Andreas Sandberg
+
+from m5.params import *
+from m5.proxy import *
+from BaseMemProbe import BaseMemProbe
+
+class StackDistProbe(BaseMemProbe):
+ type = 'StackDistProbe'
+ cxx_header = "mem/probes/stack_dist.hh"
+
+ system = Param.System(Parent.any,
+ "System to use when determining system cache "
+ "line size")
+
+ line_size = Param.Unsigned(Parent.cache_line_size,
+ "Cache line size in bytes (must be larger or "
+ "equal to the system's line size)")
+
+ # enable verification stack
+ verify = Param.Bool(False, "Verify behaviuor with reference implementation")
+
+ # linear histogram bins and enable/disable
+ linear_hist_bins = Param.Unsigned('16', "Bins in linear histograms")
+ disable_linear_hists = Param.Bool(False, "Disable linear histograms")
+
+ # logarithmic histogram bins and enable/disable
+ log_hist_bins = Param.Unsigned('32', "Bins in logarithmic histograms")
+ disable_log_hists = Param.Bool(False, "Disable logarithmic histograms")
--- /dev/null
+/*
+ * Copyright (c) 2015 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * 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: Andreas Sandberg
+ */
+
+#include "mem/probes/stack_dist.hh"
+
+#include "params/StackDistProbe.hh"
+#include "sim/system.hh"
+
+StackDistProbe::StackDistProbe(StackDistProbeParams *p)
+ : BaseMemProbe(p),
+ lineSize(p->line_size),
+ disableLinearHists(p->disable_linear_hists),
+ disableLogHists(p->disable_log_hists),
+ calc(p->verify)
+{
+ fatal_if(p->system->cacheLineSize() > p->line_size,
+ "The stack distance probe must use a cache line size that is "
+ "larger or equal to the system's cahce line size.");
+}
+
+void
+StackDistProbe::regStats()
+{
+ const StackDistProbeParams *p(
+ dynamic_cast<const StackDistProbeParams *>(params()));
+ assert(p);
+
+ using namespace Stats;
+
+ readLinearHist
+ .init(p->linear_hist_bins)
+ .name(name() + ".readLinearHist")
+ .desc("Reads linear distribution")
+ .flags(disableLinearHists ? nozero : pdf);
+
+ readLogHist
+ .init(p->log_hist_bins)
+ .name(name() + ".readLogHist")
+ .desc("Reads logarithmic distribution")
+ .flags(disableLogHists ? nozero : pdf);
+
+ writeLinearHist
+ .init(p->linear_hist_bins)
+ .name(name() + ".writeLinearHist")
+ .desc("Writes linear distribution")
+ .flags(disableLinearHists ? nozero : pdf);
+
+ writeLogHist
+ .init(p->log_hist_bins)
+ .name(name() + ".writeLogHist")
+ .desc("Writes logarithmic distribution")
+ .flags(disableLogHists ? nozero : pdf);
+
+ infiniteSD
+ .name(name() + ".infinity")
+ .desc("Number of requests with infinite stack distance")
+ .flags(nozero);
+}
+
+void
+StackDistProbe::handleRequest(const PacketPtr &pkt)
+{
+ // only capturing read and write requests (which allocate in the
+ // cache)
+ if (!pkt->isRead() && !pkt->isWrite())
+ return;
+
+ // Align the address to a cache line size
+ const Addr aligned_addr(roundDown(pkt->getAddr(), lineSize));
+
+ // Calculate the stack distance
+ const uint64_t sd(calc.calcStackDistAndUpdate(aligned_addr).first);
+ if (sd == StackDistCalc::Infinity) {
+ infiniteSD++;
+ return;
+ }
+
+ // Sample the stack distance of the address in linear bins
+ if (!disableLinearHists) {
+ if (pkt->isRead())
+ readLinearHist.sample(sd);
+ else
+ writeLinearHist.sample(sd);
+ }
+
+ if (!disableLogHists) {
+ int sd_lg2 = sd == 0 ? 1 : floorLog2(sd);
+
+ // Sample the stack distance of the address in log bins
+ if (pkt->isRead())
+ readLogHist.sample(sd_lg2);
+ else
+ writeLogHist.sample(sd_lg2);
+ }
+}
+
+
+StackDistProbe *
+StackDistProbeParams::create()
+{
+ return new StackDistProbe(this);
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * 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: Andreas Sandberg
+ */
+
+#ifndef __MEM_PROBES_STACK_DIST_HH__
+#define __MEM_PROBES_STACK_DIST_HH__
+
+#include "mem/packet.hh"
+#include "mem/probes/base.hh"
+#include "mem/stack_dist_calc.hh"
+#include "sim/stats.hh"
+
+struct StackDistProbeParams;
+
+class StackDistProbe : public BaseMemProbe
+{
+ public:
+ StackDistProbe(StackDistProbeParams *params);
+
+ void regStats() M5_ATTR_OVERRIDE;
+
+ protected:
+ void handleRequest(const PacketPtr &pkt) M5_ATTR_OVERRIDE;
+
+ protected:
+ // Cache line size to simulate
+ const unsigned lineSize;
+
+ // Disable the linear histograms
+ const bool disableLinearHists;
+
+ // Disable the logarithmic histograms
+ const bool disableLogHists;
+
+ protected:
+ // Reads linear histogram
+ Stats::Histogram readLinearHist;
+
+ // Reads logarithmic histogram
+ Stats::SparseHistogram readLogHist;
+
+ // Writes linear histogram
+ Stats::Histogram writeLinearHist;
+
+ // Writes logarithmic histogram
+ Stats::SparseHistogram writeLogHist;
+
+ // Writes logarithmic histogram
+ Stats::Scalar infiniteSD;
+
+ protected:
+ StackDistCalc calc;
+};
+
+
+#endif //__MEM_PROBES_STACK_DIST_HH__
/*
- * Copyright (c) 2014 ARM Limited
+ * Copyright (c) 2014-2015 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* Authors: Kanishk Sugand
*/
+#include "mem/stack_dist_calc.hh"
+
+#include "base/chunk_generator.hh"
#include "base/intmath.hh"
#include "base/trace.hh"
#include "debug/StackDist.hh"
-#include "mem/stack_dist_calc.hh"
-StackDistCalc::StackDistCalc(const StackDistCalcParams* p) :
- SimObject(p), index(0), verifyStack(p->verify),
- disableLinearHists(p->disable_linear_hists),
- disableLogHists(p->disable_log_hists)
+StackDistCalc::StackDistCalc(bool verify_stack)
+ : index(0),
+ verifyStack(verify_stack)
{
// Instantiate a new root and leaf layer
// Map type variable, representing a layer in the tree
stack.clear();
}
-void
-StackDistCalc::update(const MemCmd& cmd, Addr addr)
-{
- // only capturing read and write requests (which allocate in the
- // cache)
- if (cmd.isRead() || cmd.isWrite()) {
- auto returnType = calcStackDistAndUpdate(addr);
-
- uint64_t stackDist = returnType.first;
-
- if (stackDist != Infinity) {
- // Sample the stack distance of the address in linear bins
- if (!disableLinearHists) {
- if (cmd.isRead())
- readLinearHist.sample(stackDist);
- else
- writeLinearHist.sample(stackDist);
- }
-
- if (!disableLogHists) {
- int stackDistLog2 = stackDist == 0 ? 1 : floorLog2(stackDist);
-
- // Sample the stack distance of the address in log bins
- if (cmd.isRead())
- readLogHist.sample(stackDistLog2);
- else
- writeLogHist.sample(stackDistLog2);
- }
- }
- }
-}
-
// The updateSum method is a recursive function which updates
// the node sums till the root. It also deletes the nodes that
// are not used anymore.
}
}
}
-
-void
-StackDistCalc::regStats()
-{
- using namespace Stats;
-
- readLinearHist
- .init(params()->linear_hist_bins)
- .name(name() + ".readLinearHist")
- .desc("Reads linear distribution")
- .flags(disableLinearHists ? nozero : pdf);
-
- readLogHist
- .init(params()->log_hist_bins)
- .name(name() + ".readLogHist")
- .desc("Reads logarithmic distribution")
- .flags(disableLogHists ? nozero : pdf);
-
- writeLinearHist
- .init(params()->linear_hist_bins)
- .name(name() + ".writeLinearHist")
- .desc("Writes linear distribution")
- .flags(disableLinearHists ? nozero : pdf);
-
- writeLogHist
- .init(params()->log_hist_bins)
- .name(name() + ".writeLogHist")
- .desc("Writes logarithmic distribution")
- .flags(disableLogHists ? nozero : pdf);
-}
-
-StackDistCalc*
-StackDistCalcParams::create()
-{
- return new StackDistCalc(this);
-}
/*
- * Copyright (c) 2014 ARM Limited
+ * Copyright (c) 2014-2015 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
#ifndef __MEM_STACK_DIST_CALC_HH__
#define __MEM_STACK_DIST_CALC_HH__
+#include <limits>
#include <map>
#include <vector>
#include "base/types.hh"
-#include "mem/packet.hh"
-#include "params/StackDistCalc.hh"
-#include "sim/sim_object.hh"
-#include "sim/stats.hh"
/**
* The stack distance calculator is a passive object that merely
* A printStack(int numOfEntitiesToPrint) is provided to print top n entities
* in both (tree and STL based dummy stack).
*/
-class StackDistCalc : public SimObject
+class StackDistCalc
{
private:
*/
void sanityCheckTree(const Node* node, uint64_t level = 0) const;
- /**
- * A convenient way of refering to infinity.
- */
- static constexpr uint64_t Infinity = std::numeric_limits<uint64_t>::max();
-
- /**
- * Process the given address. If Mark is true then set the
- * mark flag of the leaf node.
- * This function returns the stack distance of the incoming
- * address and the previous status of the mark flag.
- *
- * @param r_address The current address to process
- * @param mark set the mark flag for the address.
- * @return The stack distance of the current address and the mark flag.
- */
- std::pair<uint64_t , bool> calcStackDist(const Addr r_address,
- bool mark = false);
-
- /**
- * Process the given address:
- * - Lookup the tree for the given address
- * - delete old node if found in tree
- * - add a new node (if addNewNode flag is set)
- * This function returns the stack distance of the incoming
- * address and the status of the mark flag.
- *
- * @param r_address The current address to process
- * @param addNewNode If true, a new node is added to the tree
- * @return The stack distance of the current address and the mark flag.
- */
- std::pair<uint64_t, bool> calcStackDistAndUpdate(const Addr r_address,
- bool addNewNode = true);
-
/**
* Return the counter for address accesses (unique and
* non-unique). This is further used to dump stats at
bool update_stack = false);
public:
+ StackDistCalc(bool verify_stack = false);
+
+ ~StackDistCalc();
/**
- * Convenience method to get the params when registering stats.
+ * A convenient way of refering to infinity.
*/
- const StackDistCalcParams* params() const
- { return reinterpret_cast<const StackDistCalcParams*>(_params); }
+ static constexpr uint64_t Infinity = std::numeric_limits<uint64_t>::max();
- StackDistCalc(const StackDistCalcParams* p);
- ~StackDistCalc();
-
- void regStats();
+ /**
+ * Process the given address. If Mark is true then set the
+ * mark flag of the leaf node.
+ * This function returns the stack distance of the incoming
+ * address and the previous status of the mark flag.
+ *
+ * @param r_address The current address to process
+ * @param mark set the mark flag for the address.
+ * @return The stack distance of the current address and the mark flag.
+ */
+ std::pair<uint64_t, bool> calcStackDist(const Addr r_address,
+ bool mark = false);
/**
- * Update the tree and the statistics.
+ * Process the given address:
+ * - Lookup the tree for the given address
+ * - delete old node if found in tree
+ * - add a new node (if addNewNode flag is set)
+ * This function returns the stack distance of the incoming
+ * address and the status of the mark flag.
*
- * @param cmd Command from the packet
- * @param addr Address to put on the stack
+ * @param r_address The current address to process
+ * @param addNewNode If true, a new node is added to the tree
+ * @return The stack distance of the current address and the mark flag.
*/
- void update(const MemCmd& cmd, Addr addr);
+ std::pair<uint64_t, bool> calcStackDistAndUpdate(const Addr r_address,
+ bool addNewNode = true);
private:
// Flag to enable verification of stack. (Slows down the simulation)
const bool verifyStack;
-
- // Disable the linear histograms
- const bool disableLinearHists;
-
- // Disable the logarithmic histograms
- const bool disableLogHists;
-
- // Reads linear histogram
- Stats::Histogram readLinearHist;
-
- // Reads logarithmic histogram
- Stats::SparseHistogram readLogHist;
-
- // Writes linear histogram
- Stats::Histogram writeLinearHist;
-
- // Writes logarithmic histogram
- Stats::SparseHistogram writeLogHist;
-
};
+
#endif //__STACK_DIST_CALC_HH__
# add a communication monitor, and also trace all the packets and
# calculate and verify stack distance
system.monitor = CommMonitor(trace_file = "monitor.ptrc.gz",
- trace_enable = True,
- stack_dist_calc = StackDistCalc(verify = True))
+ trace_enable = True)
+system.monitor.stackdist = StackDistProbe(verify = True)
# connect the traffic generator to the bus via a communication monitor
system.cpu.port = system.monitor.slave
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