Alpha derived classes for kernel_stats.
--HG-- extra : convert_revision : 93b2c6f6687b21c84b97a7665cd9fc04c59ba9d6
This commit is contained in:
Gabe Black
parent
8e2ab0b09a
commit
95d611f7bb
211
src/kern/alpha/kernel_stats.cc
Normal file
211
src/kern/alpha/kernel_stats.cc
Normal file
|
|
@ -0,0 +1,211 @@
|
|||
/*
|
||||
* 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 */
|
||||
96
src/kern/alpha/kernel_stats.hh
Normal file
96
src/kern/alpha/kernel_stats.hh
Normal file
|
|
@ -0,0 +1,96 @@
|
|||
/*
|
||||
* 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
|
||||
*/
|
||||
|
||||
#ifndef __ARCH_ALPHA_KERNEL_STATS_HH__
|
||||
#define __ARCH_ALPHA_KERNEL_STATS_HH__
|
||||
|
||||
#include <map>
|
||||
#include <stack>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
#include "cpu/static_inst.hh"
|
||||
#include "kern/base_kernel_stats.hh"
|
||||
|
||||
class BaseCPU;
|
||||
class ThreadContext;
|
||||
class FnEvent;
|
||||
// What does kernel stats expect is included?
|
||||
class System;
|
||||
|
||||
namespace AlphaISA {
|
||||
namespace Kernel {
|
||||
|
||||
enum cpu_mode { kernel, user, idle, cpu_mode_num };
|
||||
extern const char *modestr[];
|
||||
|
||||
class Statistics : public ::Kernel::Statistics
|
||||
{
|
||||
protected:
|
||||
Addr idleProcess;
|
||||
cpu_mode themode;
|
||||
Tick lastModeTick;
|
||||
|
||||
void changeMode(cpu_mode newmode, ThreadContext *tc);
|
||||
|
||||
private:
|
||||
Stats::Vector<> _callpal;
|
||||
// Stats::Vector<> _faults;
|
||||
|
||||
Stats::Vector<> _mode;
|
||||
Stats::Vector<> _modeGood;
|
||||
Stats::Formula _modeFraction;
|
||||
Stats::Vector<> _modeTicks;
|
||||
|
||||
Stats::Scalar<> _swap_context;
|
||||
|
||||
public:
|
||||
Statistics(System *system);
|
||||
|
||||
void regStats(const std::string &name);
|
||||
|
||||
public:
|
||||
void mode(cpu_mode newmode, ThreadContext *tc);
|
||||
void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc);
|
||||
void callpal(int code, ThreadContext *tc);
|
||||
void hwrei() { _hwrei++; }
|
||||
|
||||
void setIdleProcess(Addr idle, ThreadContext *tc);
|
||||
|
||||
public:
|
||||
void serialize(std::ostream &os);
|
||||
void unserialize(Checkpoint *cp, const std::string §ion);
|
||||
};
|
||||
|
||||
} /* end namespace AlphaISA::Kernel */
|
||||
} /* end namespace AlphaISA */
|
||||
|
||||
#endif // __ARCH_ALPHA_KERNEL_STATS_HH__
|
||||
Loading…
Reference in a new issue