* 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/base_kernel_stats.hh"
#include "kern/tru64/tru64_syscalls.hh"
#include "sim/system.hh"
namespace Kernel {
-const char *modestr[] = { "kernel", "user", "idle" };
-
Statistics::Statistics(System *system)
- : idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
- iplLast(0), iplLastTick(0)
+ : iplLast(0), iplLastTick(0)
{
}
.desc("number of quiesce instructions executed")
;
- _hwrei
- .name(name() + ".inst.hwrei")
- .desc("number of hwrei instructions executed")
- ;
-
_iplCount
.init(32)
.name(name() + ".ipl_count")
_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")
;
for (int i = 0; i < SystemCalls<Tru64>::Number; ++i) {
- const char *str = SystemCalls<Tru64>::name(i);
+ const char *str = "Please fix me";//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
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 */ }
#ifndef __KERNEL_STATS_HH__
#define __KERNEL_STATS_HH__
-#include <map>
-#include <stack>
#include <string>
-#include <vector>
#include "cpu/static_inst.hh"
+#include "sim/serialize.hh"
class BaseCPU;
class ThreadContext;
namespace Kernel {
-enum cpu_mode { kernel, user, idle, cpu_mode_num };
-extern const char *modestr[];
-
class Statistics : public Serializable
{
- private:
+ protected:
std::string myname;
- Addr idleProcess;
- cpu_mode themode;
- Tick lastModeTick;
-
- void changeMode(cpu_mode newmode, ThreadContext *tc);
-
- private:
+ protected:
Stats::Scalar<> _arm;
Stats::Scalar<> _quiesce;
Stats::Scalar<> _hwrei;
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);
+ virtual ~Statistics() {}
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);