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Diffstat (limited to 'src/kern/kernel_stats.hh')
| -rw-r--r-- | src/kern/kernel_stats.hh | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/kern/kernel_stats.hh b/src/kern/kernel_stats.hh new file mode 100644 index 000000000..16ec721d0 --- /dev/null +++ b/src/kern/kernel_stats.hh @@ -0,0 +1,192 @@ +/* + * 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. + */ + +#ifndef __KERNEL_STATS_HH__ +#define __KERNEL_STATS_HH__ + +#include <map> +#include <stack> +#include <string> +#include <vector> + +#include "cpu/static_inst.hh" + +class BaseCPU; +class ExecContext; +class FnEvent; +// What does kernel stats expect is included? +class System; + +namespace Kernel { + +enum cpu_mode { kernel, user, idle, interrupt, cpu_mode_num }; +extern const char *modestr[]; + +class Binning +{ + private: + std::string myname; + System *system; + + private: + // lisa's binning stuff + struct fnCall + { + Stats::MainBin *myBin; + std::string name; + }; + + struct SWContext + { + Counter calls; + std::stack<fnCall *> callStack; + }; + + std::map<const std::string, Stats::MainBin *> fnBins; + std::map<const Addr, SWContext *> swCtxMap; + + std::multimap<const std::string, std::string> callerMap; + void populateMap(std::string caller, std::string callee); + + std::vector<FnEvent *> fnEvents; + + Stats::Scalar<> fnCalls; + + Stats::MainBin *getBin(const std::string &name); + bool findCaller(std::string, std::string) const; + + SWContext *findContext(Addr pcb); + bool addContext(Addr pcb, SWContext *ctx) + { + return (swCtxMap.insert(std::make_pair(pcb, ctx))).second; + } + + void remContext(Addr pcb) + { + swCtxMap.erase(pcb); + } + + void dumpState() const; + + SWContext *swctx; + std::vector<std::string> binned_fns; + + private: + Stats::MainBin *modeBin[cpu_mode_num]; + + public: + const bool bin; + const bool fnbin; + + cpu_mode themode; + void palSwapContext(ExecContext *xc); + void execute(ExecContext *xc, StaticInstPtr inst); + void call(ExecContext *xc, Stats::MainBin *myBin); + void changeMode(cpu_mode mode); + + public: + Binning(System *sys); + virtual ~Binning(); + + const std::string name() const { return myname; } + void regStats(const std::string &name); + + public: + virtual void serialize(std::ostream &os); + virtual void unserialize(Checkpoint *cp, const std::string §ion); +}; + +class Statistics : public Serializable +{ + private: + friend class Binning; + + private: + std::string myname; + + Addr idleProcess; + cpu_mode themode; + Tick lastModeTick; + bool bin_int; + + void changeMode(cpu_mode newmode, ExecContext *xc); + + private: + Stats::Scalar<> _arm; + Stats::Scalar<> _quiesce; + Stats::Scalar<> _ivlb; + Stats::Scalar<> _ivle; + Stats::Scalar<> _hwrei; + + Stats::Vector<> _iplCount; + Stats::Vector<> _iplGood; + 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); + + const std::string name() const { return myname; } + void regStats(const std::string &name); + + public: + void arm() { _arm++; } + void quiesce() { _quiesce++; } + void ivlb() { _ivlb++; } + void ivle() { _ivle++; } + void hwrei() { _hwrei++; } + void swpipl(int ipl); + void mode(cpu_mode newmode, ExecContext *xc); + void context(Addr oldpcbb, Addr newpcbb, ExecContext *xc); + void callpal(int code, ExecContext *xc); + + void setIdleProcess(Addr idle, ExecContext *xc); + + public: + virtual void serialize(std::ostream &os); + virtual void unserialize(Checkpoint *cp, const std::string §ion); +}; + +/* end namespace Kernel */ } + +#endif // __KERNEL_STATS_HH__ |