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-rw-r--r--src/kern/alpha/kernel_stats.cc211
-rw-r--r--src/kern/alpha/kernel_stats.hh96
2 files changed, 307 insertions, 0 deletions
diff --git a/src/kern/alpha/kernel_stats.cc b/src/kern/alpha/kernel_stats.cc
new file mode 100644
index 000000000..7b74295e4
--- /dev/null
+++ b/src/kern/alpha/kernel_stats.cc
@@ -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 &section)
+{
+ ::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 */
diff --git a/src/kern/alpha/kernel_stats.hh b/src/kern/alpha/kernel_stats.hh
new file mode 100644
index 000000000..90058e507
--- /dev/null
+++ b/src/kern/alpha/kernel_stats.hh
@@ -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 &section);
+};
+
+} /* end namespace AlphaISA::Kernel */
+} /* end namespace AlphaISA */
+
+#endif // __ARCH_ALPHA_KERNEL_STATS_HH__
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