73501ea38f
base/stats/text.cc:
fix the printing of binned stats.
--HG--
extra : convert_revision : 3a04d004f5ea1d90536f7102fce946fd6dd34613
110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
/*
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* Copyright (c) 2003 The Regents of The University of Michigan
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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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#include "cpu/exec_context.hh"
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#include "cpu/base_cpu.hh"
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#include "cpu/full_cpu/bpred.hh"
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#include "cpu/full_cpu/full_cpu.hh"
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#include "kern/system_events.hh"
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#include "sim/system.hh"
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#include "sim/sw_context.hh"
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void
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SkipFuncEvent::process(ExecContext *xc)
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{
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Addr newpc = xc->regs.intRegFile[ReturnAddressReg];
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DPRINTF(PCEvent, "skipping %s: pc=%x, newpc=%x\n", description,
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xc->regs.pc, newpc);
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xc->regs.pc = newpc;
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xc->regs.npc = xc->regs.pc + sizeof(MachInst);
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BranchPred *bp = xc->cpu->getBranchPred();
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if (bp != NULL) {
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bp->popRAS(xc->thread_num);
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}
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}
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FnEvent::FnEvent(PCEventQueue *q, const std::string & desc, System *system)
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: PCEvent(q, desc), _name(desc)
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{
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myBin = system->getBin(desc);
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assert(myBin);
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}
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void
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FnEvent::process(ExecContext *xc)
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{
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if (xc->misspeculating())
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return;
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assert(xc->system->bin && "FnEvent must be in a binned system");
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SWContext *ctx = xc->swCtx;
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DPRINTF(TCPIP, "%s: %s Event!!!\n", xc->system->name(), description);
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if (ctx && !ctx->callStack.empty()) {
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DPRINTF(TCPIP, "already a callstack!\n");
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fnCall *last = ctx->callStack.top();
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if (last->name == "idle_thread")
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ctx->calls++;
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if (!xc->system->findCaller(myname(), "" ) &&
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!xc->system->findCaller(myname(), last->name)) {
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DPRINTF(TCPIP, "but can't find parent %s\n", last->name);
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return;
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}
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ctx->calls--;
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//assert(!ctx->calls && "on a binned fn, calls should == 0 (but can happen in boot)");
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} else {
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DPRINTF(TCPIP, "no callstack yet\n");
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if (!xc->system->findCaller(myname(), "")) {
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DPRINTF(TCPIP, "not the right function, returning\n");
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return;
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}
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if (!ctx) {
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DPRINTF(TCPIP, "creating new context for %s\n", myname());
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ctx = new SWContext;
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xc->swCtx = ctx;
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}
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}
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DPRINTF(TCPIP, "adding fn %s to context\n", myname());
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fnCall *call = new fnCall;
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call->myBin = myBin;
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call->name = myname();
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ctx->callStack.push(call);
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myBin->activate();
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xc->system->fnCalls++;
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DPRINTF(TCPIP, "fnCalls for %s is %d\n", description,
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xc->system->fnCalls.value());
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xc->system->dumpState(xc);
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}
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