4fc16544af
Fix compilation errors due to missing include.
98 lines
3.9 KiB
C++
98 lines
3.9 KiB
C++
/*
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* Copyright (c) 2016 Google Inc.
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* All rights reserved.
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*
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* The license below extends only to copyright in the software and
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* shall not be construed as granting a license to any other
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* intellectual property including but not limited to intellectual
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* property relating to a hardware implementation of the
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* functionality of the software licensed hereunder. You may use the
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* software subject to the license terms below provided that you
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* ensure that this notice is replicated unmodified and in its
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* entirety in all distributions of the software, modified or
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* unmodified, in source code or in binary form.
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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: Rahul Thakur
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*/
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#ifndef __MEM_PROBES_MEM_FOOTPRINT_HH__
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#define __MEM_PROBES_MEM_FOOTPRINT_HH__
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#include <unordered_set>
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#include "base/callback.hh"
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#include "mem/packet.hh"
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#include "mem/probes/base.hh"
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#include "sim/stats.hh"
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#include "sim/system.hh"
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struct MemFootprintProbeParams;
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/// Probe to track footprint of accessed memory
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/// Two granularity of footprint measurement i.e. cache line and page
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class MemFootprintProbe : public BaseMemProbe
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{
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public:
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typedef std::unordered_set<Addr> AddrSet;
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MemFootprintProbe(MemFootprintProbeParams *p);
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void regStats() override;
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// Fix footprint tracking state on stat reset
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void statReset();
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protected:
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/// Cache Line size for footprint measurement (log2)
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const uint8_t cacheLineSizeLg2;
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/// Page size for footprint measurement (log2)
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const uint8_t pageSizeLg2;
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const uint64_t totalCacheLinesInMem;
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const uint64_t totalPagesInMem;
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void insertAddr(Addr addr, AddrSet *set, uint64_t limit);
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void handleRequest(const ProbePoints::PacketInfo &pkt_info) override;
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/// Footprint at cache line size granularity
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Stats::Scalar fpCacheLine;
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/// Footprint at cache line size granularity, since simulation begin
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Stats::Scalar fpCacheLineTotal;
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/// Footprint at page granularity
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Stats::Scalar fpPage;
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/// Footprint at page granularity, since simulation begin
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Stats::Scalar fpPageTotal;
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// Addr set to track unique cache lines accessed
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AddrSet cacheLines;
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// Addr set to track unique cache lines accessed since simulation begin
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AddrSet cacheLinesAll;
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// Addr set to track unique pages accessed
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AddrSet pages;
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// Addr set to track unique pages accessed since simulation begin
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AddrSet pagesAll;
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System *system;
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};
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#endif //__MEM_PROBES_MEM_FOOTPRINT_HH__
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