fs_workload.hh

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/*
 * Copyright (c) 2010-2013 ARM Limited
 * All rights reserved
 *
 * The license below extends only to copyright in the software and shall
 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
 * unmodified and in its entirety in all distributions of the software,
 * modified or unmodified, in source code or in binary form.
 *
 * Copyright (c) 2002-2005 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
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */
 
#ifndef __ARCH_ARM_LINUX_FS_WORKLOAD_HH__
#define __ARCH_ARM_LINUX_FS_WORKLOAD_HH__
 
#include <cstdio>
#include <map>
#include <string>
 
#include "arch/arm/aapcs32.hh"
#include "arch/arm/aapcs64.hh"
#include "arch/arm/fs_workload.hh"
#include "arch/arm/system.hh"
#include "base/output.hh"
#include "kern/linux/events.hh"
#include "params/ArmFsLinux.hh"
#include "sim/core.hh"
 
namespace ArmISA
{
 
class SkipFuncLinux32 : public SkipFunc
{
  public:
    using SkipFunc::SkipFunc;
    using ABI = Aapcs32Vfp;
};
 
class SkipFuncLinux64 : public SkipFunc
{
  public:
    using SkipFunc::SkipFunc;
    using ABI = Aapcs64;
};
 
class FsLinux : public ArmISA::FsWorkload
{
  protected:
    PCEvent *debugPrintk = nullptr;
 
    PCEvent *dumpStats = nullptr;
 
  public:
    typedef ArmFsLinuxParams Params;
    const Params *
    params() const
    {
        return dynamic_cast<const Params *>(&_params);
    }
 
    bool enableContextSwitchStatsDump;
 
    std::map<uint32_t, uint32_t> taskMap;
 
    OutputStream *taskFile = nullptr;
 
    FsLinux(Params *p);
    ~FsLinux();
 
    void initState() override;
 
    void startup() override;
 
    void mapPid(ThreadContext* tc, uint32_t pid);
 
  public: // Exported Python methods
    void dumpDmesg();
 
  private:
    PCEvent *kernelPanic = nullptr;
 
    PCEvent *kernelOops = nullptr;
 
    PCEvent *skipUDelay = nullptr;
 
    PCEvent *skipConstUDelay = nullptr;
};
 
class DumpStats : public PCEvent
{
  public:
    DumpStats(PCEventScope *s, const std::string &desc, Addr addr)
        : PCEvent(s, desc, addr)
    {}
 
    void process(ThreadContext* tc) override;
  protected:
    virtual void getTaskDetails(ThreadContext *tc, uint32_t &pid,
            uint32_t &tgid, std::string &next_task_str, int32_t &mm);
 
};
 
class DumpStats64 : public DumpStats
{
  public:
    using DumpStats::DumpStats;
 
  private:
    void getTaskDetails(ThreadContext *tc, uint32_t &pid, uint32_t &tgid,
                        std::string &next_task_str, int32_t &mm) override;
};
 
} // namespace ArmISA
 
#endif // __ARCH_ARM_LINUX_FS_WORKLOAD_HH__