c693c6ba9f
--HG-- rename : src/kern/alpha/idle_event.cc => src/arch/alpha/idle_event.cc rename : src/kern/alpha/idle_event.hh => src/arch/alpha/idle_event.hh rename : src/kern/alpha/kernel_stats.cc => src/arch/alpha/kernel_stats.cc rename : src/kern/alpha/kernel_stats.hh => src/arch/alpha/kernel_stats.hh rename : src/kern/sparc/kernel_stats.hh => src/arch/sparc/kernel_stats.hh rename : src/kern/base_kernel_stats.cc => src/kern/kernel_stats.cc rename : src/kern/base_kernel_stats.hh => src/kern/kernel_stats.hh extra : convert_revision : 42bd3e36b407edbd19b912c9218f4e5923a15966
142 lines
4 KiB
C++
142 lines
4 KiB
C++
/*
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* Copyright (c) 2004-2005 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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* Authors: Lisa Hsu
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* Nathan Binkert
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*/
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#include <string>
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#include "base/trace.hh"
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#include "cpu/thread_context.hh"
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#include "kern/kernel_stats.hh"
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#include "kern/tru64/tru64_syscalls.hh"
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#include "sim/system.hh"
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using namespace std;
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using namespace Stats;
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namespace Kernel {
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Statistics::Statistics(System *system)
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: iplLast(0), iplLastTick(0)
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{
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}
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void
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Statistics::regStats(const string &_name)
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{
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myname = _name;
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_arm
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.name(name() + ".inst.arm")
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.desc("number of arm instructions executed")
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;
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_quiesce
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.name(name() + ".inst.quiesce")
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.desc("number of quiesce instructions executed")
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;
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_iplCount
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.init(32)
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.name(name() + ".ipl_count")
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.desc("number of times we switched to this ipl")
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.flags(total | pdf | nozero | nonan)
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;
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_iplGood
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.init(32)
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.name(name() + ".ipl_good")
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.desc("number of times we switched to this ipl from a different ipl")
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.flags(total | pdf | nozero | nonan)
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;
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_iplTicks
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.init(32)
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.name(name() + ".ipl_ticks")
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.desc("number of cycles we spent at this ipl")
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.flags(total | pdf | nozero | nonan)
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;
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_iplUsed
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.name(name() + ".ipl_used")
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.desc("fraction of swpipl calls that actually changed the ipl")
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.flags(total | nozero | nonan)
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;
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_iplUsed = _iplGood / _iplCount;
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_syscall
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.init(SystemCalls<Tru64>::Number)
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.name(name() + ".syscall")
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.desc("number of syscalls executed")
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.flags(total | pdf | nozero | nonan)
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;
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//@todo This needs to get the names of syscalls from an appropriate place.
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#if 0
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for (int i = 0; i < SystemCalls<Tru64>::Number; ++i) {
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const char *str = SystemCalls<Tru64>::name(i);
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if (str) {
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_syscall.subname(i, str);
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}
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}
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#endif
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}
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void
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Statistics::swpipl(int ipl)
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{
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assert(ipl >= 0 && ipl <= 0x1f && "invalid IPL\n");
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_iplCount[ipl]++;
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if (ipl == iplLast)
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return;
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_iplGood[ipl]++;
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_iplTicks[iplLast] += curTick - iplLastTick;
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iplLastTick = curTick;
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iplLast = ipl;
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}
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void
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Statistics::serialize(ostream &os)
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{
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SERIALIZE_SCALAR(iplLast);
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SERIALIZE_SCALAR(iplLastTick);
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}
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void
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Statistics::unserialize(Checkpoint *cp, const string §ion)
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{
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UNSERIALIZE_SCALAR(iplLast);
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UNSERIALIZE_SCALAR(iplLastTick);
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}
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/* end namespace Kernel */ }
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