| /* |
| * Copyright (c) 2006 The Regents of The University of Michigan |
| * 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: Kevin Lim |
| */ |
| |
| #include "base/output.hh" |
| #include "cpu/profile.hh" |
| #include "cpu/thread_state.hh" |
| #include "sim/serialize.hh" |
| |
| #if FULL_SYSTEM |
| #include "cpu/quiesce_event.hh" |
| #include "kern/kernel_stats.hh" |
| #endif |
| |
| #if FULL_SYSTEM |
| ThreadState::ThreadState(int _cpuId, int _tid) |
| : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), |
| profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL), |
| funcExeInst(0), storeCondFailures(0) |
| #else |
| ThreadState::ThreadState(int _cpuId, int _tid, Process *_process, |
| short _asid, MemObject *mem) |
| : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), |
| process(_process), asid(_asid), |
| funcExeInst(0), storeCondFailures(0) |
| #endif |
| { |
| numInst = 0; |
| numLoad = 0; |
| } |
| |
| void |
| ThreadState::serialize(std::ostream &os) |
| { |
| SERIALIZE_ENUM(_status); |
| // thread_num and cpu_id are deterministic from the config |
| SERIALIZE_SCALAR(funcExeInst); |
| SERIALIZE_SCALAR(inst); |
| |
| #if FULL_SYSTEM |
| Tick quiesceEndTick = 0; |
| if (quiesceEvent->scheduled()) |
| quiesceEndTick = quiesceEvent->when(); |
| SERIALIZE_SCALAR(quiesceEndTick); |
| if (kernelStats) |
| kernelStats->serialize(os); |
| #endif |
| } |
| |
| void |
| ThreadState::unserialize(Checkpoint *cp, const std::string §ion) |
| { |
| |
| UNSERIALIZE_ENUM(_status); |
| // thread_num and cpu_id are deterministic from the config |
| UNSERIALIZE_SCALAR(funcExeInst); |
| UNSERIALIZE_SCALAR(inst); |
| |
| #if FULL_SYSTEM |
| Tick quiesceEndTick; |
| UNSERIALIZE_SCALAR(quiesceEndTick); |
| if (quiesceEndTick) |
| quiesceEvent->schedule(quiesceEndTick); |
| if (kernelStats) |
| kernelStats->unserialize(cp, section); |
| #endif |
| } |
| |
| #if FULL_SYSTEM |
| |
| void |
| ThreadState::profileClear() |
| { |
| if (profile) |
| profile->clear(); |
| } |
| |
| void |
| ThreadState::profileSample() |
| { |
| if (profile) |
| profile->sample(profileNode, profilePC); |
| } |
| |
| #endif |