diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2012-01-16 04:27:10 -0800 |
---|---|---|
committer | Gabe Black <gblack@eecs.umich.edu> | 2012-01-16 04:27:10 -0800 |
commit | da2a4acc26ba264c3c4a12495776fd6a1c4fb133 (patch) | |
tree | f142100388b9d1403492c97b0d323728ce18ef8a /src/mem/ruby/recorder/CacheRecorder.hh | |
parent | 241cc0c8402f1b9f2ec20d1cc152d96930959b2a (diff) | |
parent | a7394ad6807bd5e85f680184bf308673ca00534a (diff) | |
download | gem5-da2a4acc26ba264c3c4a12495776fd6a1c4fb133.tar.xz |
Merge yet again with the main repository.
Diffstat (limited to 'src/mem/ruby/recorder/CacheRecorder.hh')
-rw-r--r-- | src/mem/ruby/recorder/CacheRecorder.hh | 80 |
1 files changed, 67 insertions, 13 deletions
diff --git a/src/mem/ruby/recorder/CacheRecorder.hh b/src/mem/ruby/recorder/CacheRecorder.hh index 9f96f4fa0..839c4f6b1 100644 --- a/src/mem/ruby/recorder/CacheRecorder.hh +++ b/src/mem/ruby/recorder/CacheRecorder.hh @@ -1,5 +1,6 @@ /* - * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood + * Copyright (c) 1999-2012 Mark D. Hill and David A. Wood + * Copyright (c) 2010 Advanced Micro Devices, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -34,37 +35,90 @@ #ifndef __MEM_RUBY_RECORDER_CACHERECORDER_HH__ #define __MEM_RUBY_RECORDER_CACHERECORDER_HH__ -#include <iostream> -#include <string> #include <vector> +#include "base/hashmap.hh" #include "mem/protocol/RubyRequestType.hh" -#include "mem/ruby/common/Global.hh" -#include "mem/ruby/recorder/TraceRecord.hh" +#include "mem/ruby/common/Address.hh" +#include "mem/ruby/common/DataBlock.hh" +#include "mem/ruby/common/TypeDefines.hh" -class Address; -class TraceRecord; class Sequencer; +/*! + * Class for recording cache contents. Note that the last element of the + * class is an array of length zero. It is used for creating variable + * length object, so that while writing the data to a file one does not + * need to copy the meta data and the actual data separately. + */ +class TraceRecord { + public: + int m_cntrl_id; + Time m_time; + physical_address_t m_data_address; + physical_address_t m_pc_address; + RubyRequestType m_type; + uint8_t m_data[0]; + + void print(std::ostream& out) const; +}; + class CacheRecorder { public: - void addRecord(Sequencer* sequencer, const Address& data_addr, - const Address& pc_addr, RubyRequestType type, Time time); - int dumpRecords(std::string filename); + CacheRecorder(); + ~CacheRecorder(); - void print(std::ostream& out) const; + CacheRecorder(uint8_t* uncompressed_trace, + uint64_t uncompressed_trace_size, + std::vector<Sequencer*>& SequencerMap); + void addRecord(int cntrl, const physical_address_t data_addr, + const physical_address_t pc_addr, RubyRequestType type, + Time time, DataBlock& data); + + uint64 aggregateRecords(uint8_t** data, uint64 size); + + /*! + * Function for flushing the memory contents of the caches to the + * main memory. It goes through the recorded contents of the caches, + * and issues flush requests. Except for the first one, a flush request + * is issued only after the previous one has completed. This currently + * requires use of MOESI Hammer protocol since only that protocol + * supports flush requests. + */ + void enqueueNextFlushRequest(); + + /*! + * Function for fetching warming up the memory and the caches. It goes + * through the recorded contents of the caches, as available in the + * checkpoint and issues fetch requests. Except for the first one, a + * fetch request is issued only after the previous one has completed. + * It should be possible to use this with any protocol. + */ + void enqueueNextFetchRequest(); private: // Private copy constructor and assignment operator CacheRecorder(const CacheRecorder& obj); CacheRecorder& operator=(const CacheRecorder& obj); - std::vector<TraceRecord> m_records; + std::vector<TraceRecord*> m_records; + uint8_t* m_uncompressed_trace; + uint64_t m_uncompressed_trace_size; + std::vector<Sequencer*> m_seq_map; + uint64_t m_bytes_read; + uint64_t m_records_read; + uint64_t m_records_flushed; }; +inline bool +compareTraceRecords(const TraceRecord* n1, const TraceRecord* n2) +{ + return n1->m_time > n2->m_time; +} + inline std::ostream& -operator<<(std::ostream& out, const CacheRecorder& obj) +operator<<(std::ostream& out, const TraceRecord& obj) { obj.print(out); out << std::flush; |