2009-05-11 19:38:43 +02:00
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/*
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2012-01-11 20:29:15 +01:00
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* Copyright (c) 1999-2012 Mark D. Hill and David A. Wood
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* Copyright (c) 2010 Advanced Micro Devices, Inc.
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2009-05-11 19:38:43 +02:00
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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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/*
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2010-04-01 01:56:45 +02:00
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* Recording cache requests made to a ruby cache at certain ruby
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* time. Also dump the requests to a gziped file.
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2009-05-11 19:38:43 +02:00
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*/
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2010-04-01 01:56:45 +02:00
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#ifndef __MEM_RUBY_RECORDER_CACHERECORDER_HH__
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#define __MEM_RUBY_RECORDER_CACHERECORDER_HH__
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2009-05-11 19:38:43 +02:00
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2010-06-11 08:17:07 +02:00
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#include <vector>
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2009-07-07 00:49:47 +02:00
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2012-01-11 20:29:15 +01:00
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#include "base/hashmap.hh"
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2011-03-20 00:34:59 +01:00
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#include "mem/protocol/RubyRequestType.hh"
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2012-01-11 20:29:15 +01:00
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#include "mem/ruby/common/Address.hh"
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#include "mem/ruby/common/DataBlock.hh"
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#include "mem/ruby/common/TypeDefines.hh"
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2009-05-11 19:38:43 +02:00
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2010-01-30 05:29:20 +01:00
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class Sequencer;
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2009-05-11 19:38:43 +02:00
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2012-01-11 20:29:15 +01:00
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/*!
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* Class for recording cache contents. Note that the last element of the
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* class is an array of length zero. It is used for creating variable
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* length object, so that while writing the data to a file one does not
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* need to copy the meta data and the actual data separately.
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*/
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class TraceRecord {
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public:
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int m_cntrl_id;
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Time m_time;
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physical_address_t m_data_address;
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physical_address_t m_pc_address;
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RubyRequestType m_type;
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uint8_t m_data[0];
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void print(std::ostream& out) const;
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};
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2010-04-01 01:56:45 +02:00
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class CacheRecorder
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{
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public:
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2012-01-11 20:29:15 +01:00
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CacheRecorder();
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~CacheRecorder();
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2009-05-11 19:38:43 +02:00
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2012-01-11 20:29:15 +01:00
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CacheRecorder(uint8_t* uncompressed_trace,
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uint64_t uncompressed_trace_size,
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std::vector<Sequencer*>& SequencerMap);
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void addRecord(int cntrl, const physical_address_t data_addr,
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const physical_address_t pc_addr, RubyRequestType type,
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Time time, DataBlock& data);
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uint64 aggregateRecords(uint8_t** data, uint64 size);
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/*!
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* Function for flushing the memory contents of the caches to the
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* main memory. It goes through the recorded contents of the caches,
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* and issues flush requests. Except for the first one, a flush request
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* is issued only after the previous one has completed. This currently
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* requires use of MOESI Hammer protocol since only that protocol
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* supports flush requests.
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*/
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void enqueueNextFlushRequest();
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/*!
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* Function for fetching warming up the memory and the caches. It goes
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* through the recorded contents of the caches, as available in the
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* checkpoint and issues fetch requests. Except for the first one, a
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* fetch request is issued only after the previous one has completed.
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* It should be possible to use this with any protocol.
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*/
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void enqueueNextFetchRequest();
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2009-05-11 19:38:43 +02:00
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2010-04-01 01:56:45 +02:00
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private:
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// Private copy constructor and assignment operator
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CacheRecorder(const CacheRecorder& obj);
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CacheRecorder& operator=(const CacheRecorder& obj);
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2009-05-11 19:38:43 +02:00
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2012-01-11 20:29:15 +01:00
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std::vector<TraceRecord*> m_records;
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uint8_t* m_uncompressed_trace;
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uint64_t m_uncompressed_trace_size;
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std::vector<Sequencer*> m_seq_map;
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uint64_t m_bytes_read;
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uint64_t m_records_read;
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uint64_t m_records_flushed;
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2009-05-11 19:38:43 +02:00
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};
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2012-01-11 20:29:15 +01:00
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inline bool
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compareTraceRecords(const TraceRecord* n1, const TraceRecord* n2)
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{
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return n1->m_time > n2->m_time;
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}
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2010-04-01 01:56:45 +02:00
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inline std::ostream&
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2012-01-11 20:29:15 +01:00
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operator<<(std::ostream& out, const TraceRecord& obj)
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2009-05-11 19:38:43 +02:00
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{
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2010-04-01 01:56:45 +02:00
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obj.print(out);
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out << std::flush;
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return out;
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2009-05-11 19:38:43 +02:00
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}
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2010-04-01 01:56:45 +02:00
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#endif // __MEM_RUBY_RECORDER_CACHERECORDER_HH__
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