diff options
| -rw-r--r-- | configs/example/se.py | 3 | ||||
| -rw-r--r-- | src/cpu/simple/AtomicSimpleCPU.py | 9 | ||||
| -rw-r--r-- | src/cpu/simple/atomic.cc | 95 | ||||
| -rw-r--r-- | src/cpu/simple/atomic.hh | 70 | ||||
| -rw-r--r-- | src/cpu/simple/probes/SConscript | 35 | ||||
| -rw-r--r-- | src/cpu/simple/probes/SimPoint.py | 48 | ||||
| -rw-r--r-- | src/cpu/simple/probes/simpoint.cc | 145 | ||||
| -rw-r--r-- | src/cpu/simple/probes/simpoint.hh | 119 |
8 files changed, 371 insertions, 153 deletions
diff --git a/configs/example/se.py b/configs/example/se.py index ad15e14b5..8ec90599b 100644 --- a/configs/example/se.py +++ b/configs/example/se.py @@ -213,8 +213,7 @@ for i in xrange(np): system.cpu[i].fastmem = True if options.simpoint_profile: - system.cpu[i].simpoint_profile = True - system.cpu[i].simpoint_interval = options.simpoint_interval + system.cpu[i].addSimPointProbe(options.simpoint_interval) if options.checker: system.cpu[i].addCheckerCpu() diff --git a/src/cpu/simple/AtomicSimpleCPU.py b/src/cpu/simple/AtomicSimpleCPU.py index 7a066457d..04592c68a 100644 --- a/src/cpu/simple/AtomicSimpleCPU.py +++ b/src/cpu/simple/AtomicSimpleCPU.py @@ -40,6 +40,7 @@ from m5.params import * from BaseSimpleCPU import BaseSimpleCPU +from SimPoint import SimPoint class AtomicSimpleCPU(BaseSimpleCPU): """Simple CPU model executing a configurable number of @@ -61,6 +62,8 @@ class AtomicSimpleCPU(BaseSimpleCPU): simulate_data_stalls = Param.Bool(False, "Simulate dcache stall cycles") simulate_inst_stalls = Param.Bool(False, "Simulate icache stall cycles") fastmem = Param.Bool(False, "Access memory directly") - simpoint_profile = Param.Bool(False, "Generate SimPoint BBVs") - simpoint_interval = Param.UInt64(100000000, "SimPoint Interval Size (insts)") - simpoint_profile_file = Param.String("simpoint.bb.gz", "SimPoint BBV file") + + def addSimPointProbe(self, interval): + simpoint = SimPoint() + simpoint.interval = interval + self.probeListener = simpoint diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc index 219e94043..0ac4a5495 100644 --- a/src/cpu/simple/atomic.cc +++ b/src/cpu/simple/atomic.cc @@ -110,20 +110,9 @@ AtomicSimpleCPU::AtomicSimpleCPU(AtomicSimpleCPUParams *p) drain_manager(NULL), icachePort(name() + ".icache_port", this), dcachePort(name() + ".dcache_port", this), - fastmem(p->fastmem), - simpoint(p->simpoint_profile), - intervalSize(p->simpoint_interval), - intervalCount(0), - intervalDrift(0), - simpointStream(NULL), - currentBBV(0, 0), - currentBBVInstCount(0) + fastmem(p->fastmem) { _status = Idle; - - if (simpoint) { - simpointStream = simout.create(p->simpoint_profile_file, false); - } } @@ -132,9 +121,6 @@ AtomicSimpleCPU::~AtomicSimpleCPU() if (tickEvent.scheduled()) { deschedule(tickEvent); } - if (simpointStream) { - simout.close(simpointStream); - } } unsigned int @@ -574,8 +560,13 @@ AtomicSimpleCPU::tick() fault = curStaticInst->execute(this, traceData); // keep an instruction count - if (fault == NoFault) + if (fault == NoFault) { countInst(); + if (!curStaticInst->isMicroop() || + curStaticInst->isLastMicroop()) { + ppCommit->notify(std::make_pair(thread, curStaticInst)); + } + } else if (traceData && !DTRACE(ExecFaulting)) { delete traceData; traceData = NULL; @@ -589,13 +580,6 @@ AtomicSimpleCPU::tick() curStaticInst->isFirstMicroop())) instCnt++; - // profile for SimPoints if enabled and macro inst is finished - if (simpoint && curStaticInst && (fault == NoFault) && - (!curStaticInst->isMicroop() || - curStaticInst->isLastMicroop())) { - profileSimPoint(); - } - Tick stall_ticks = 0; if (simulate_inst_stalls && icache_access) stall_ticks += icache_latency; @@ -627,72 +611,17 @@ AtomicSimpleCPU::tick() schedule(tickEvent, curTick() + latency); } - void -AtomicSimpleCPU::printAddr(Addr a) +AtomicSimpleCPU::regProbePoints() { - dcachePort.printAddr(a); + ppCommit = new ProbePointArg<pair<SimpleThread*, const StaticInstPtr>> + (getProbeManager(), "Commit"); } void -AtomicSimpleCPU::profileSimPoint() +AtomicSimpleCPU::printAddr(Addr a) { - if (!currentBBVInstCount) - currentBBV.first = thread->pcState().instAddr(); - - ++intervalCount; - ++currentBBVInstCount; - - // If inst is control inst, assume end of basic block. - if (curStaticInst->isControl()) { - currentBBV.second = thread->pcState().instAddr(); - - auto map_itr = bbMap.find(currentBBV); - if (map_itr == bbMap.end()){ - // If a new (previously unseen) basic block is found, - // add a new unique id, record num of insts and insert into bbMap. - BBInfo info; - info.id = bbMap.size() + 1; - info.insts = currentBBVInstCount; - info.count = currentBBVInstCount; - bbMap.insert(std::make_pair(currentBBV, info)); - } else { - // If basic block is seen before, just increment the count by the - // number of insts in basic block. - BBInfo& info = map_itr->second; - info.count += currentBBVInstCount; - } - currentBBVInstCount = 0; - - // Reached end of interval if the sum of the current inst count - // (intervalCount) and the excessive inst count from the previous - // interval (intervalDrift) is greater than/equal to the interval size. - if (intervalCount + intervalDrift >= intervalSize) { - // summarize interval and display BBV info - std::vector<pair<uint64_t, uint64_t> > counts; - for (auto map_itr = bbMap.begin(); map_itr != bbMap.end(); - ++map_itr) { - BBInfo& info = map_itr->second; - if (info.count != 0) { - counts.push_back(std::make_pair(info.id, info.count)); - info.count = 0; - } - } - std::sort(counts.begin(), counts.end()); - - // Print output BBV info - *simpointStream << "T"; - for (auto cnt_itr = counts.begin(); cnt_itr != counts.end(); - ++cnt_itr) { - *simpointStream << ":" << cnt_itr->first - << ":" << cnt_itr->second << " "; - } - *simpointStream << "\n"; - - intervalDrift = (intervalCount + intervalDrift) - intervalSize; - intervalCount = 0; - } - } + dcachePort.printAddr(a); } //////////////////////////////////////////////////////////////////////// diff --git a/src/cpu/simple/atomic.hh b/src/cpu/simple/atomic.hh index 7426139e7..91f558e06 100644 --- a/src/cpu/simple/atomic.hh +++ b/src/cpu/simple/atomic.hh @@ -43,30 +43,9 @@ #ifndef __CPU_SIMPLE_ATOMIC_HH__ #define __CPU_SIMPLE_ATOMIC_HH__ -#include "base/hashmap.hh" #include "cpu/simple/base.hh" #include "params/AtomicSimpleCPU.hh" - -/** - * Start and end address of basic block for SimPoint profiling. - * This structure is used to look up the hash table of BBVs. - * - first: PC of first inst in basic block - * - second: PC of last inst in basic block - */ -typedef std::pair<Addr, Addr> BasicBlockRange; - -/** Overload hash function for BasicBlockRange type */ -__hash_namespace_begin -template <> -struct hash<BasicBlockRange> -{ - public: - size_t operator()(const BasicBlockRange &bb) const { - return hash<Addr>()(bb.first + bb.second); - } -}; -__hash_namespace_end - +#include "sim/probe/probe.hh" class AtomicSimpleCPU : public BaseSimpleCPU { @@ -200,49 +179,8 @@ class AtomicSimpleCPU : public BaseSimpleCPU bool dcache_access; Tick dcache_latency; - /** - * Profile basic blocks for SimPoints. - * Called at every macro inst to increment basic block inst counts and - * to profile block if end of block. - */ - void profileSimPoint(); - - /** Data structures for SimPoints BBV generation - * @{ - */ - - /** Whether SimPoint BBV profiling is enabled */ - const bool simpoint; - /** SimPoint profiling interval size in instructions */ - const uint64_t intervalSize; - - /** Inst count in current basic block */ - uint64_t intervalCount; - /** Excess inst count from previous interval*/ - uint64_t intervalDrift; - /** Pointer to SimPoint BBV output stream */ - std::ostream *simpointStream; - - /** Basic Block information */ - struct BBInfo { - /** Unique ID */ - uint64_t id; - /** Num of static insts in BB */ - uint64_t insts; - /** Accumulated dynamic inst count executed by BB */ - uint64_t count; - }; - - /** Hash table containing all previously seen basic blocks */ - m5::hash_map<BasicBlockRange, BBInfo> bbMap; - /** Currently executing basic block */ - BasicBlockRange currentBBV; - /** inst count in current basic block */ - uint64_t currentBBVInstCount; - - /** @} - * End of data structures for SimPoints BBV generation - */ + /** Probe Points. */ + ProbePointArg<std::pair<SimpleThread*, const StaticInstPtr>> *ppCommit; protected: @@ -270,6 +208,8 @@ class AtomicSimpleCPU : public BaseSimpleCPU Fault writeMem(uint8_t *data, unsigned size, Addr addr, unsigned flags, uint64_t *res); + virtual void regProbePoints(); + /** * Print state of address in memory system via PrintReq (for * debugging). diff --git a/src/cpu/simple/probes/SConscript b/src/cpu/simple/probes/SConscript new file mode 100644 index 000000000..648d2052e --- /dev/null +++ b/src/cpu/simple/probes/SConscript @@ -0,0 +1,35 @@ +# -*- mode:python -*- + +# Copyright (c) 2014 ARM Limited +# All rights reserved. +# +# 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: Curtis Dunham + +Import('*') + +if 'AtomicSimpleCPU' in env['CPU_MODELS']: + SimObject('SimPoint.py') + Source('simpoint.cc') diff --git a/src/cpu/simple/probes/SimPoint.py b/src/cpu/simple/probes/SimPoint.py new file mode 100644 index 000000000..ac6ec0730 --- /dev/null +++ b/src/cpu/simple/probes/SimPoint.py @@ -0,0 +1,48 @@ +# Copyright (c) 2012-2014 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: Curtis Dunham + +from m5.params import * +from Probe import ProbeListenerObject + +class SimPoint(ProbeListenerObject): + """Probe for collecting SimPoint Basic Block Vectors (BBVs).""" + + type = 'SimPoint' + cxx_header = "cpu/simple/probes/simpoint.hh" + + interval = Param.UInt64(100000000, "Interval Size (insts)") + profile_file = Param.String("simpoint.bb.gz", "BBV (output) file") diff --git a/src/cpu/simple/probes/simpoint.cc b/src/cpu/simple/probes/simpoint.cc new file mode 100644 index 000000000..22eaad086 --- /dev/null +++ b/src/cpu/simple/probes/simpoint.cc @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2012-2014 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: Dam Sunwoo + * Curtis Dunham + */ + +#include "base/output.hh" +#include "cpu/simple/probes/simpoint.hh" + +SimPoint::SimPoint(const SimPointParams *p) + : ProbeListenerObject(p), + intervalSize(p->interval), + intervalCount(0), + intervalDrift(0), + simpointStream(NULL), + currentBBV(0, 0), + currentBBVInstCount(0) +{ + simpointStream = simout.create(p->profile_file, false); + if (!simpointStream) + fatal("unable to open SimPoint profile_file"); +} + +SimPoint::~SimPoint() +{ + simout.close(simpointStream); +} + +void +SimPoint::init() +{} + +void +SimPoint::regProbeListeners() +{ + typedef ProbeListenerArg<SimPoint, std::pair<SimpleThread*,StaticInstPtr>> + SimPointListener; + listeners.push_back(new SimPointListener(this, "Commit", + &SimPoint::profile)); +} + +void +SimPoint::profile(const std::pair<SimpleThread*, StaticInstPtr>& p) +{ + SimpleThread* thread = p.first; + StaticInstPtr inst = p.second; + + if (!currentBBVInstCount) + currentBBV.first = thread->pcState().instAddr(); + + ++intervalCount; + ++currentBBVInstCount; + + // If inst is control inst, assume end of basic block. + if (inst->isControl()) { + currentBBV.second = thread->pcState().instAddr(); + + auto map_itr = bbMap.find(currentBBV); + if (map_itr == bbMap.end()){ + // If a new (previously unseen) basic block is found, + // add a new unique id, record num of insts and insert into bbMap. + BBInfo info; + info.id = bbMap.size() + 1; + info.insts = currentBBVInstCount; + info.count = currentBBVInstCount; + bbMap.insert(std::make_pair(currentBBV, info)); + } else { + // If basic block is seen before, just increment the count by the + // number of insts in basic block. + BBInfo& info = map_itr->second; + info.count += currentBBVInstCount; + } + currentBBVInstCount = 0; + + // Reached end of interval if the sum of the current inst count + // (intervalCount) and the excessive inst count from the previous + // interval (intervalDrift) is greater than/equal to the interval size. + if (intervalCount + intervalDrift >= intervalSize) { + // summarize interval and display BBV info + std::vector<std::pair<uint64_t, uint64_t> > counts; + for (auto map_itr = bbMap.begin(); map_itr != bbMap.end(); + ++map_itr) { + BBInfo& info = map_itr->second; + if (info.count != 0) { + counts.push_back(std::make_pair(info.id, info.count)); + info.count = 0; + } + } + std::sort(counts.begin(), counts.end()); + + // Print output BBV info + *simpointStream << "T"; + for (auto cnt_itr = counts.begin(); cnt_itr != counts.end(); + ++cnt_itr) { + *simpointStream << ":" << cnt_itr->first + << ":" << cnt_itr->second << " "; + } + *simpointStream << "\n"; + + intervalDrift = (intervalCount + intervalDrift) - intervalSize; + intervalCount = 0; + } + } +} + +/** SimPoint SimObject */ +SimPoint* +SimPointParams::create() +{ + return new SimPoint(this); +} diff --git a/src/cpu/simple/probes/simpoint.hh b/src/cpu/simple/probes/simpoint.hh new file mode 100644 index 000000000..e2c343755 --- /dev/null +++ b/src/cpu/simple/probes/simpoint.hh @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2012-2014 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: Dam Sunwoo + * Curtis Dunham + */ + +#ifndef __CPU_SIMPLE_PROBES_SIMPOINT_HH__ +#define __CPU_SIMPLE_PROBES_SIMPOINT_HH__ + +#include "base/hashmap.hh" +#include "cpu/simple_thread.hh" +#include "params/SimPoint.hh" +#include "sim/probe/probe.hh" + +/** + * Probe for SimPoints BBV generation + */ + +/** + * Start and end address of basic block for SimPoint profiling. + * This structure is used to look up the hash table of BBVs. + * - first: PC of first inst in basic block + * - second: PC of last inst in basic block + */ +typedef std::pair<Addr, Addr> BasicBlockRange; + +/** Overload hash function for BasicBlockRange type */ +__hash_namespace_begin +template <> +struct hash<BasicBlockRange> +{ + public: + size_t operator()(const BasicBlockRange &bb) const { + return hash<Addr>()(bb.first + bb.second); + } +}; +__hash_namespace_end + +class SimPoint : public ProbeListenerObject +{ + public: + SimPoint(const SimPointParams *params); + virtual ~SimPoint(); + + virtual void init(); + + virtual void regProbeListeners(); + + /** + * Profile basic blocks for SimPoints. + * Called at every macro inst to increment basic block inst counts and + * to profile block if end of block. + */ + void profile(const std::pair<SimpleThread*, StaticInstPtr>&); + + private: + /** SimPoint profiling interval size in instructions */ + const uint64_t intervalSize; + + /** Inst count in current basic block */ + uint64_t intervalCount; + /** Excess inst count from previous interval*/ + uint64_t intervalDrift; + /** Pointer to SimPoint BBV output stream */ + std::ostream *simpointStream; + + /** Basic Block information */ + struct BBInfo { + /** Unique ID */ + uint64_t id; + /** Num of static insts in BB */ + uint64_t insts; + /** Accumulated dynamic inst count executed by BB */ + uint64_t count; + }; + + /** Hash table containing all previously seen basic blocks */ + m5::hash_map<BasicBlockRange, BBInfo> bbMap; + /** Currently executing basic block */ + BasicBlockRange currentBBV; + /** inst count in current basic block */ + uint64_t currentBBVInstCount; +}; + +#endif // __CPU_SIMPLE_PROBES_SIMPOINT_HH__ |