X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fkern%2Fkernel_stats.cc;h=29c77b3d9adae8f25bada84d6c32566efd3a4fca;hb=2eae11be6499effbcf33e4f3ea747a7280adf86c;hp=f7868b50f7f6bfb473ab701edcacedc541397210;hpb=b36796914af8bfc6729cc8a519e57572460e43e8;p=gem5.git diff --git a/src/kern/kernel_stats.cc b/src/kern/kernel_stats.cc index f7868b50f..29c77b3d9 100644 --- a/src/kern/kernel_stats.cc +++ b/src/kern/kernel_stats.cc @@ -29,11 +29,8 @@ * Nathan Binkert */ -#include -#include #include -#include "arch/alpha/osfpal.hh" #include "base/trace.hh" #include "cpu/thread_context.hh" #include "kern/kernel_stats.hh" @@ -45,11 +42,8 @@ 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) + : iplLast(0), iplLastTick(0) { } @@ -68,21 +62,6 @@ Statistics::regStats(const string &_name) .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") @@ -112,19 +91,6 @@ Statistics::regStats(const string &_name) _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::Number) .name(name() + ".syscall") @@ -132,81 +98,15 @@ Statistics::regStats(const string &_name) .flags(total | pdf | nozero | nonan) ; + //@todo This needs to get the names of syscalls from an appropriate place. +#if 0 for (int i = 0; i < SystemCalls::Number; ++i) { const char *str = SystemCalls::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; +#endif } void @@ -225,66 +125,18 @@ Statistics::swpipl(int ipl) 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::validSyscallNumber(number)) { - int cvtnum = SystemCalls::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 */ }