build_dir = os.path.join(build_root, 'libelf'),
exports = 'env')
+###################################################
+#
+# This function is used to set up a directory with switching headers
+#
+###################################################
+
+def make_switching_dir(dirname, switch_headers, env):
+ # Generate the header. target[0] is the full path of the output
+ # header to generate. 'source' is a dummy variable, since we get the
+ # list of ISAs from env['ALL_ISA_LIST'].
+ def gen_switch_hdr(target, source, env):
+ fname = str(target[0])
+ basename = os.path.basename(fname)
+ f = open(fname, 'w')
+ f.write('#include "arch/isa_specific.hh"\n')
+ cond = '#if'
+ for isa in env['ALL_ISA_LIST']:
+ f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n'
+ % (cond, isa.upper(), dirname, isa, basename))
+ cond = '#elif'
+ f.write('#else\n#error "THE_ISA not set"\n#endif\n')
+ f.close()
+ return 0
+
+ # String to print when generating header
+ def gen_switch_hdr_string(target, source, env):
+ return "Generating switch header " + str(target[0])
+
+ # Build SCons Action object. 'varlist' specifies env vars that this
+ # action depends on; when env['ALL_ISA_LIST'] changes these actions
+ # should get re-executed.
+ switch_hdr_action = Action(gen_switch_hdr, gen_switch_hdr_string,
+ varlist=['ALL_ISA_LIST'])
+
+ # Instantiate actions for each header
+ for hdr in switch_headers:
+ env.Command(hdr, [], switch_hdr_action)
+
+env.make_switching_dir = make_switching_dir
+
###################################################
#
# Define build environments for selected configurations.
Help(help_text)
+
###################################################
#
# Let SCons do its thing. At this point SCons will use the defined
vtophys.hh
''')
-# Generate the header. target[0] is the full path of the output
-# header to generate. 'source' is a dummy variable, since we get the
-# list of ISAs from env['ALL_ISA_LIST'].
-def gen_switch_hdr(target, source, env):
- fname = str(target[0])
- basename = os.path.basename(fname)
- f = open(fname, 'w')
- f.write('#include "arch/isa_specific.hh"\n')
- cond = '#if'
- for isa in env['ALL_ISA_LIST']:
- f.write('%s THE_ISA == %s_ISA\n#include "arch/%s/%s"\n'
- % (cond, isa.upper(), isa, basename))
- cond = '#elif'
- f.write('#else\n#error "THE_ISA not set"\n#endif\n')
- f.close()
- return 0
-
-# String to print when generating header
-def gen_switch_hdr_string(target, source, env):
- return "Generating ISA switch header " + str(target[0])
-
-# Build SCons Action object. 'varlist' specifies env vars that this
-# action depends on; when env['ALL_ISA_LIST'] changes these actions
-# should get re-executed.
-switch_hdr_action = Action(gen_switch_hdr, gen_switch_hdr_string,
- varlist=['ALL_ISA_LIST'])
-
-# Instantiate actions for each header
-for hdr in isa_switch_hdrs:
- env.Command(hdr, [], switch_hdr_action)
+# Set up this directory to support switching headers
+env.make_switching_dir('arch', isa_switch_hdrs, env)
#################################################################
#
--- /dev/null
+# -*- mode:python -*-
+
+# Copyright (c) 2006 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: Steve Reinhardt
+
+import os.path, sys
+
+# Import build environment variable from SConstruct.
+Import('env')
+
+sources = Split('''
+ base_kernel_stats.cc
+ system_events.cc
+ linux/events.cc
+ linux/linux_syscalls.cc
+ linux/printk.cc
+ ''')
+
+# Convert file names to SCons File objects. This takes care of the
+# path relative to the top of the directory tree.
+sources = [File(s) for s in sources]
+
+#################################################################
+#
+# ISA "switch header" generation.
+#
+# Auto-generate arch headers that include the right ISA-specific
+# header based on the setting of THE_ISA preprocessor variable.
+#
+#################################################################
+
+# List of headers to generate
+kern_switch_hdrs = Split('''
+ kernel_stats.hh
+ ''')
+
+env.make_switching_dir('kern', kern_switch_hdrs, env)
+
+isa = env['TARGET_ISA'] # someday this may be a list of ISAs
+
+# Let the target architecture define what additional sources it needs
+sources += SConscript(os.path.join(isa, 'SConscript'), exports = 'env')
+
+Return('sources')
--- /dev/null
+/*
+ * 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 "arch/alpha/osfpal.hh"
+#include "base/trace.hh"
+#include "cpu/thread_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" };
+
+Statistics::Statistics(System *system)
+ : idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
+ iplLast(0), iplLastTick(0)
+{
+}
+
+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")
+ ;
+
+ _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, 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::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, 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)
+{
+ 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 §ion)
+{
+ int exemode;
+ UNSERIALIZE_SCALAR(exemode);
+ UNSERIALIZE_SCALAR(idleProcess);
+ UNSERIALIZE_SCALAR(iplLast);
+ UNSERIALIZE_SCALAR(iplLastTick);
+ UNSERIALIZE_SCALAR(lastModeTick);
+ themode = (cpu_mode)exemode;
+}
+
+/* end namespace Kernel */ }
--- /dev/null
+/*
+ * 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 __KERNEL_STATS_HH__
+#define __KERNEL_STATS_HH__
+
+#include <map>
+#include <stack>
+#include <string>
+#include <vector>
+
+#include "cpu/static_inst.hh"
+
+class BaseCPU;
+class ThreadContext;
+class FnEvent;
+// What does kernel stats expect is included?
+class System;
+
+namespace Kernel {
+
+enum cpu_mode { kernel, user, idle, cpu_mode_num };
+extern const char *modestr[];
+
+class Statistics : public Serializable
+{
+ private:
+ std::string myname;
+
+ Addr idleProcess;
+ cpu_mode themode;
+ Tick lastModeTick;
+
+ void changeMode(cpu_mode newmode, ThreadContext *tc);
+
+ private:
+ Stats::Scalar<> _arm;
+ Stats::Scalar<> _quiesce;
+ Stats::Scalar<> _hwrei;
+
+ Stats::Vector<> _iplCount;
+ Stats::Vector<> _iplGood;
+ Stats::Vector<> _iplTicks;
+ Stats::Formula _iplUsed;
+
+ Stats::Vector<> _callpal;
+ Stats::Vector<> _syscall;
+// Stats::Vector<> _faults;
+
+ Stats::Vector<> _mode;
+ Stats::Vector<> _modeGood;
+ Stats::Formula _modeFraction;
+ Stats::Vector<> _modeTicks;
+
+ Stats::Scalar<> _swap_context;
+
+ private:
+ int iplLast;
+ Tick iplLastTick;
+
+ public:
+ Statistics(System *system);
+
+ const std::string name() const { return myname; }
+ void regStats(const std::string &name);
+
+ public:
+ void arm() { _arm++; }
+ void quiesce() { _quiesce++; }
+ void hwrei() { _hwrei++; }
+ void swpipl(int ipl);
+ void mode(cpu_mode newmode, ThreadContext *tc);
+ void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc);
+ void callpal(int code, ThreadContext *tc);
+
+ void setIdleProcess(Addr idle, ThreadContext *tc);
+
+ public:
+ virtual void serialize(std::ostream &os);
+ virtual void unserialize(Checkpoint *cp, const std::string §ion);
+};
+
+/* end namespace Kernel */ }
+
+#endif // __KERNEL_STATS_HH__
+++ /dev/null
-/*
- * 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 "arch/alpha/osfpal.hh"
-#include "base/trace.hh"
-#include "cpu/thread_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" };
-
-Statistics::Statistics(System *system)
- : idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
- iplLast(0), iplLastTick(0)
-{
-}
-
-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")
- ;
-
- _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, 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::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, 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)
-{
- 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 §ion)
-{
- int exemode;
- UNSERIALIZE_SCALAR(exemode);
- UNSERIALIZE_SCALAR(idleProcess);
- UNSERIALIZE_SCALAR(iplLast);
- UNSERIALIZE_SCALAR(iplLastTick);
- UNSERIALIZE_SCALAR(lastModeTick);
- themode = (cpu_mode)exemode;
-}
-
-/* end namespace Kernel */ }
+++ /dev/null
-/*
- * 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 __KERNEL_STATS_HH__
-#define __KERNEL_STATS_HH__
-
-#include <map>
-#include <stack>
-#include <string>
-#include <vector>
-
-#include "cpu/static_inst.hh"
-
-class BaseCPU;
-class ThreadContext;
-class FnEvent;
-// What does kernel stats expect is included?
-class System;
-
-namespace Kernel {
-
-enum cpu_mode { kernel, user, idle, cpu_mode_num };
-extern const char *modestr[];
-
-class Statistics : public Serializable
-{
- private:
- std::string myname;
-
- Addr idleProcess;
- cpu_mode themode;
- Tick lastModeTick;
-
- void changeMode(cpu_mode newmode, ThreadContext *tc);
-
- private:
- Stats::Scalar<> _arm;
- Stats::Scalar<> _quiesce;
- Stats::Scalar<> _hwrei;
-
- Stats::Vector<> _iplCount;
- Stats::Vector<> _iplGood;
- Stats::Vector<> _iplTicks;
- Stats::Formula _iplUsed;
-
- Stats::Vector<> _callpal;
- Stats::Vector<> _syscall;
-// Stats::Vector<> _faults;
-
- Stats::Vector<> _mode;
- Stats::Vector<> _modeGood;
- Stats::Formula _modeFraction;
- Stats::Vector<> _modeTicks;
-
- Stats::Scalar<> _swap_context;
-
- private:
- int iplLast;
- Tick iplLastTick;
-
- public:
- Statistics(System *system);
-
- const std::string name() const { return myname; }
- void regStats(const std::string &name);
-
- public:
- void arm() { _arm++; }
- void quiesce() { _quiesce++; }
- void hwrei() { _hwrei++; }
- void swpipl(int ipl);
- void mode(cpu_mode newmode, ThreadContext *tc);
- void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc);
- void callpal(int code, ThreadContext *tc);
-
- void setIdleProcess(Addr idle, ThreadContext *tc);
-
- public:
- virtual void serialize(std::ostream &os);
- virtual void unserialize(Checkpoint *cp, const std::string §ion);
-};
-
-/* end namespace Kernel */ }
-
-#endif // __KERNEL_STATS_HH__
projects / gem5.git / commitdiff