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Diffstat (limited to 'src/kern/alpha/kernel_stats.cc')
| -rw-r--r-- | src/kern/alpha/kernel_stats.cc | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/src/kern/alpha/kernel_stats.cc b/src/kern/alpha/kernel_stats.cc deleted file mode 100644 index 7b74295e4..000000000 --- a/src/kern/alpha/kernel_stats.cc +++ /dev/null @@ -1,211 +0,0 @@ -/* - * Copyright (c) 2004-2005 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: Lisa Hsu - * Nathan Binkert - */ - -#include <map> -#include <stack> -#include <string> - -#include "kern/alpha/kernel_stats.hh" -#include "arch/alpha/osfpal.hh" -#include "base/trace.hh" -#include "cpu/thread_context.hh" -#include "kern/tru64/tru64_syscalls.hh" -#include "sim/system.hh" - -using namespace std; -using namespace Stats; - -namespace AlphaISA { -namespace Kernel { - -const char *modestr[] = { "kernel", "user", "idle" }; - -Statistics::Statistics(System *system) - : ::Kernel::Statistics(system), - idleProcess((Addr)-1), themode(kernel), lastModeTick(0) -{ -} - -void -Statistics::regStats(const string &_name) -{ - ::Kernel::Statistics::regStats(_name); - - _callpal - .init(256) - .name(name() + ".callpal") - .desc("number of callpals executed") - .flags(total | pdf | nozero | nonan) - ; - - for (int i = 0; i < PAL::NumCodes; ++i) { - const char *str = PAL::name(i); - if (str) - _callpal.subname(i, str); - } - - _hwrei - .name(name() + ".inst.hwrei") - .desc("number of hwrei instructions executed") - ; - - _mode - .init(cpu_mode_num) - .name(name() + ".mode_switch") - .desc("number of protection mode switches") - ; - - for (int i = 0; i < cpu_mode_num; ++i) - _mode.subname(i, modestr[i]); - - _modeGood - .init(cpu_mode_num) - .name(name() + ".mode_good") - ; - - for (int i = 0; i < cpu_mode_num; ++i) - _modeGood.subname(i, modestr[i]); - - _modeFraction - .name(name() + ".mode_switch_good") - .desc("fraction of useful protection mode switches") - .flags(total) - ; - - for (int i = 0; i < cpu_mode_num; ++i) - _modeFraction.subname(i, modestr[i]); - - _modeFraction = _modeGood / _mode; - - _modeTicks - .init(cpu_mode_num) - .name(name() + ".mode_ticks") - .desc("number of ticks spent at the given mode") - .flags(pdf) - ; - for (int i = 0; i < cpu_mode_num; ++i) - _modeTicks.subname(i, modestr[i]); - - _swap_context - .name(name() + ".swap_context") - .desc("number of times the context was actually changed") - ; -} - -void -Statistics::setIdleProcess(Addr idlepcbb, ThreadContext *tc) -{ - assert(themode == kernel); - idleProcess = idlepcbb; - themode = idle; - changeMode(themode, tc); -} - -void -Statistics::changeMode(cpu_mode newmode, ThreadContext *tc) -{ - _mode[newmode]++; - - if (newmode == themode) - return; - - DPRINTF(Context, "old mode=%-8s new mode=%-8s\n", - modestr[themode], modestr[newmode]); - - _modeGood[newmode]++; - _modeTicks[themode] += curTick - lastModeTick; - - lastModeTick = curTick; - themode = newmode; -} - -void -Statistics::mode(cpu_mode newmode, ThreadContext *tc) -{ - Addr pcbb = tc->readMiscReg(AlphaISA::IPR_PALtemp23); - - if (newmode == kernel && pcbb == idleProcess) - newmode = idle; - - changeMode(newmode, tc); -} - -void -Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc) -{ - assert(themode != user); - - _swap_context++; - changeMode(newpcbb == idleProcess ? idle : kernel, tc); -} - -void -Statistics::callpal(int code, ThreadContext *tc) -{ - if (!PAL::name(code)) - return; - - _callpal[code]++; - - switch (code) { - case PAL::callsys: { - int number = tc->readIntReg(0); - if (SystemCalls<Tru64>::validSyscallNumber(number)) { - int cvtnum = SystemCalls<Tru64>::convert(number); - _syscall[cvtnum]++; - } - } break; - } -} - -void -Statistics::serialize(ostream &os) -{ - ::Kernel::Statistics::serialize(os); - int exemode = themode; - SERIALIZE_SCALAR(exemode); - SERIALIZE_SCALAR(idleProcess); - SERIALIZE_SCALAR(lastModeTick); -} - -void -Statistics::unserialize(Checkpoint *cp, const string §ion) -{ - ::Kernel::Statistics::unserialize(cp, section); - int exemode; - UNSERIALIZE_SCALAR(exemode); - UNSERIALIZE_SCALAR(idleProcess); - UNSERIALIZE_SCALAR(lastModeTick); - themode = (cpu_mode)exemode; -} - -} /* end namespace AlphaISA::Kernel */ -} /* end namespace AlphaISA */ |