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Diffstat (limited to 'src/kern/kernel_stats.hh')
-rw-r--r-- | src/kern/kernel_stats.hh | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/kern/kernel_stats.hh b/src/kern/kernel_stats.hh new file mode 100644 index 000000000..c691ad8cf --- /dev/null +++ b/src/kern/kernel_stats.hh @@ -0,0 +1,117 @@ +/* + * 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 + */ + +#ifndef __KERNEL_STATS_HH__ +#define __KERNEL_STATS_HH__ + +#include <map> +#include <stack> +#include <string> +#include <vector> + +#include "cpu/static_inst.hh" + +class BaseCPU; +class ThreadContext; +class FnEvent; +// What does kernel stats expect is included? +class System; + +namespace Kernel { + +enum cpu_mode { kernel, user, idle, cpu_mode_num }; +extern const char *modestr[]; + +class Statistics : public Serializable +{ + private: + std::string myname; + + Addr idleProcess; + cpu_mode themode; + Tick lastModeTick; + + void changeMode(cpu_mode newmode, ThreadContext *tc); + + 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, 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); + virtual void unserialize(Checkpoint *cp, const std::string §ion); +}; + +/* end namespace Kernel */ } + +#endif // __KERNEL_STATS_HH__ |