* 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;
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)
{
.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, 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 */ }
+} // namespace Kernel
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