summaryrefslogtreecommitdiff
path: root/kern/kernel_stats.cc
diff options
context:
space:
mode:
Diffstat (limited to 'kern/kernel_stats.cc')
-rw-r--r--kern/kernel_stats.cc299
1 files changed, 0 insertions, 299 deletions
diff --git a/kern/kernel_stats.cc b/kern/kernel_stats.cc
deleted file mode 100644
index b85d88145..000000000
--- a/kern/kernel_stats.cc
+++ /dev/null
@@ -1,299 +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.
- */
-
-#include <map>
-#include <stack>
-#include <string>
-
-#include "arch/alpha/osfpal.hh"
-#include "base/trace.hh"
-#include "cpu/exec_context.hh"
-#include "kern/kernel_stats.hh"
-#include "kern/tru64/tru64_syscalls.hh"
-#include "sim/system.hh"
-
-using namespace std;
-using namespace Stats;
-
-namespace Kernel {
-
-const char *modestr[] = { "kernel", "user", "idle", "interrupt" };
-
-Statistics::Statistics(System *system)
- : idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
- iplLast(0), iplLastTick(0)
-{
- bin_int = system->params()->bin_int;
-}
-
-void
-Statistics::regStats(const string &_name)
-{
- myname = _name;
-
- _arm
- .name(name() + ".inst.arm")
- .desc("number of arm instructions executed")
- ;
-
- _quiesce
- .name(name() + ".inst.quiesce")
- .desc("number of quiesce instructions executed")
- ;
-
- _ivlb
- .name(name() + ".inst.ivlb")
- .desc("number of ivlb instructions executed")
- ;
-
- _ivle
- .name(name() + ".inst.ivle")
- .desc("number of ivle instructions executed")
- ;
-
- _hwrei
- .name(name() + ".inst.hwrei")
- .desc("number of hwrei instructions executed")
- ;
-
- _iplCount
- .init(32)
- .name(name() + ".ipl_count")
- .desc("number of times we switched to this ipl")
- .flags(total | pdf | nozero | nonan)
- ;
-
- _iplGood
- .init(32)
- .name(name() + ".ipl_good")
- .desc("number of times we switched to this ipl from a different ipl")
- .flags(total | pdf | nozero | nonan)
- ;
-
- _iplTicks
- .init(32)
- .name(name() + ".ipl_ticks")
- .desc("number of cycles we spent at this ipl")
- .flags(total | pdf | nozero | nonan)
- ;
-
- _iplUsed
- .name(name() + ".ipl_used")
- .desc("fraction of swpipl calls that actually changed the ipl")
- .flags(total | nozero | nonan)
- ;
-
- _iplUsed = _iplGood / _iplCount;
-
- _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);
- }
-
- _syscall
- .init(SystemCalls<Tru64>::Number)
- .name(name() + ".syscall")
- .desc("number of syscalls executed")
- .flags(total | pdf | nozero | nonan)
- ;
-
- for (int i = 0; i < SystemCalls<Tru64>::Number; ++i) {
- const char *str = SystemCalls<Tru64>::name(i);
- if (str) {
- _syscall.subname(i, str);
- }
- }
-
- _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, ExecContext *xc)
-{
- assert(themode == kernel || themode == interrupt);
- idleProcess = idlepcbb;
- themode = idle;
- changeMode(themode, xc);
-}
-
-void
-Statistics::changeMode(cpu_mode newmode, ExecContext *xc)
-{
- _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;
-
- xc->getSystemPtr()->kernelBinning->changeMode(newmode);
-
- lastModeTick = curTick;
- themode = newmode;
-}
-
-void
-Statistics::swpipl(int ipl)
-{
- assert(ipl >= 0 && ipl <= 0x1f && "invalid IPL\n");
-
- _iplCount[ipl]++;
-
- if (ipl == iplLast)
- return;
-
- _iplGood[ipl]++;
- _iplTicks[iplLast] += curTick - iplLastTick;
- iplLastTick = curTick;
- iplLast = ipl;
-}
-
-void
-Statistics::mode(cpu_mode newmode, ExecContext *xc)
-{
- Addr pcbb = xc->readMiscReg(AlphaISA::IPR_PALtemp23);
-
- if ((newmode == kernel || newmode == interrupt) &&
- pcbb == idleProcess)
- newmode = idle;
-
- if (bin_int == false && newmode == interrupt)
- newmode = kernel;
-
- changeMode(newmode, xc);
-}
-
-void
-Statistics::context(Addr oldpcbb, Addr newpcbb, ExecContext *xc)
-{
- assert(themode != user);
-
- _swap_context++;
- changeMode(newpcbb == idleProcess ? idle : kernel, xc);
-}
-
-void
-Statistics::callpal(int code, ExecContext *xc)
-{
- if (!PAL::name(code))
- return;
-
- _callpal[code]++;
-
- switch (code) {
- case PAL::callsys: {
- int number = xc->readIntReg(0);
- if (SystemCalls<Tru64>::validSyscallNumber(number)) {
- int cvtnum = SystemCalls<Tru64>::convert(number);
- _syscall[cvtnum]++;
- }
- } break;
-
- case PAL::swpctx:
- if (xc->getSystemPtr()->kernelBinning)
- xc->getSystemPtr()->kernelBinning->palSwapContext(xc);
- break;
- }
-}
-
-void
-Statistics::serialize(ostream &os)
-{
- int exemode = themode;
- SERIALIZE_SCALAR(exemode);
- SERIALIZE_SCALAR(idleProcess);
- SERIALIZE_SCALAR(iplLast);
- SERIALIZE_SCALAR(iplLastTick);
- SERIALIZE_SCALAR(lastModeTick);
-}
-
-void
-Statistics::unserialize(Checkpoint *cp, const string &section)
-{
- int exemode;
- UNSERIALIZE_SCALAR(exemode);
- UNSERIALIZE_SCALAR(idleProcess);
- UNSERIALIZE_SCALAR(iplLast);
- UNSERIALIZE_SCALAR(iplLastTick);
- UNSERIALIZE_SCALAR(lastModeTick);
- themode = (cpu_mode)exemode;
-}
-
-/* end namespace Kernel */ }
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-01 07:03:01 +0000