Put kernel_stats back into arch.

--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

1 files changed, 211 insertions, 0 deletions

diff --git a/src/arch/alpha/kernel_stats.cc b/src/arch/alpha/kernel_stats.cc
new file mode 100644
index 000000000..6fc3cb72f
--- /dev/null
+++ b/src/arch/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 "arch/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 */