gem5  v22.0.0.2
fs_workload.hh
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40 
41 #ifndef __ARCH_ARM_LINUX_FS_WORKLOAD_HH__
42 #define __ARCH_ARM_LINUX_FS_WORKLOAD_HH__
43 
44 #include <cstdio>
45 #include <map>
46 #include <string>
47 
48 #include "arch/arm/aapcs32.hh"
49 #include "arch/arm/aapcs64.hh"
50 #include "arch/arm/fs_workload.hh"
51 #include "arch/arm/system.hh"
52 #include "base/output.hh"
53 #include "kern/linux/events.hh"
54 #include "params/ArmFsLinux.hh"
55 
56 namespace gem5
57 {
58 
59 namespace ArmISA
60 {
61 
62 class SkipFuncLinux32 : public SkipFunc
63 {
64  public:
65  using SkipFunc::SkipFunc;
66  using ABI = Aapcs32Vfp;
67 };
68 
69 class SkipFuncLinux64 : public SkipFunc
70 {
71  public:
72  using SkipFunc::SkipFunc;
73  using ABI = Aapcs64;
74 };
75 
77 {
78  protected:
83  PCEvent *debugPrintk = nullptr;
84 
85  PCEvent *dumpStats = nullptr;
86 
87  public:
89  PARAMS(ArmFsLinux);
90 
94 
99  std::map<uint32_t, uint32_t> taskMap;
100 
103  OutputStream *taskFile = nullptr;
104 
105  FsLinux(const Params &p);
106  ~FsLinux();
107 
108  void initState() override;
109 
110  void startup() override;
111 
114  void mapPid(ThreadContext* tc, uint32_t pid);
115 
116  public: // Exported Python methods
120  void dumpDmesg();
121 
122  private:
124  PCEvent *kernelPanic = nullptr;
125 
127  PCEvent *kernelOops = nullptr;
128 
134  PCEvent *skipUDelay = nullptr;
135 
142 };
143 
144 class DumpStats : public PCEvent
145 {
146  public:
147  DumpStats(PCEventScope *s, const std::string &desc, Addr addr)
148  : PCEvent(s, desc, addr)
149  {}
150 
151  void process(ThreadContext* tc) override;
152  protected:
153  virtual void getTaskDetails(ThreadContext *tc, uint32_t &pid,
154  uint32_t &tgid, std::string &next_task_str, int32_t &mm);
155 
156 };
157 
158 class DumpStats64 : public DumpStats
159 {
160  public:
161  using DumpStats::DumpStats;
162 
163  private:
164  void getTaskDetails(ThreadContext *tc, uint32_t &pid, uint32_t &tgid,
165  std::string &next_task_str, int32_t &mm) override;
166 };
167 
168 } // namespace ArmISA
169 } // namespace gem5
170 
171 #endif // __ARCH_ARM_LINUX_FS_WORKLOAD_HH__
events.hh
gem5::ArmISA::FsLinux::PARAMS
PARAMS(ArmFsLinux)
Boilerplate params code.
gem5::ArmISA::DumpStats::getTaskDetails
virtual void getTaskDetails(ThreadContext *tc, uint32_t &pid, uint32_t &tgid, std::string &next_task_str, int32_t &mm)
Extracts the information used by the DumpStatsPCEvent by reading the thread_info pointer passed to __...
Definition: fs_workload.cc:300
gem5::ArmISA::FsLinux::skipUDelay
PCEvent * skipUDelay
PC based event to skip udelay(<time>) calls and quiesce the processor for the appropriate amount of t...
Definition: fs_workload.hh:134
gem5::ArmISA::FsWorkload
Definition: fs_workload.hh:68
gem5::Aapcs32Vfp
Definition: aapcs32.hh:379
gem5::ArmISA::FsLinux::skipConstUDelay
PCEvent * skipConstUDelay
Another PC based skip event for const_udelay().
Definition: fs_workload.hh:141
gem5::ArmISA::DumpStats64
Definition: fs_workload.hh:158
aapcs32.hh
fs_workload.hh
gem5::ArmISA::FsLinux::mapPid
void mapPid(ThreadContext *tc, uint32_t pid)
This function creates a new task Id for the given pid.
Definition: fs_workload.cc:270
gem5::ArmISA::FsLinux::initState
void initState() override
initState() is called on each SimObject when not restoring from a checkpoint.
Definition: fs_workload.cc:73
gem5::ArmISA::FsLinux::enableContextSwitchStatsDump
bool enableContextSwitchStatsDump
When enabled, dump stats/task info on context switches for Streamline and per-thread cache occupancy ...
Definition: fs_workload.hh:93
aapcs64.hh
system.hh
output.hh
gem5::ArmISA::DumpStats
Definition: fs_workload.hh:144
gem5::ArmISA::SkipFunc
Definition: fs_workload.hh:61
gem5::ArmISA::FsLinux::taskMap
std::map< uint32_t, uint32_t > taskMap
This map stores a mapping of OS process IDs to internal Task IDs.
Definition: fs_workload.hh:99
gem5::SimObject::Params
SimObjectParams Params
Definition: sim_object.hh:170
gem5::ArmISA::FsLinux::debugPrintk
PCEvent * debugPrintk
PC based event to skip the dprink() call and emulate its functionality.
Definition: fs_workload.hh:83
gem5::ArmISA::FsLinux::dumpStats
PCEvent * dumpStats
Definition: fs_workload.hh:85
gem5::ArmISA::FsLinux::kernelPanic
PCEvent * kernelPanic
Event to halt the simulator if the kernel calls panic()
Definition: fs_workload.hh:124
gem5::ArmISA::FsLinux::startup
void startup() override
startup() is the final initialization call before simulation.
Definition: fs_workload.cc:207
gem5::ThreadContext
ThreadContext is the external interface to all thread state for anything outside of the CPU.
Definition: thread_context.hh:94
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::ArmISA::FsLinux::FsLinux
FsLinux(const Params &p)
Definition: fs_workload.cc:68
gem5::PCEvent
Definition: pc_event.hh:45
gem5::ArmISA::s
Bitfield< 4 > s
Definition: misc_types.hh:562
gem5::ArmISA::SkipFuncLinux32
Definition: fs_workload.hh:62
mm
Definition: mm.h:8
gem5::ArmISA::FsLinux::dumpDmesg
void dumpDmesg()
Dump the kernel's dmesg buffer to stdout.
Definition: fs_workload.cc:286
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
gem5::Aapcs64
Definition: aapcs64.hh:48
gem5::ArmISA::FsLinux::taskFile
OutputStream * taskFile
This is a file that is placed in the run directory that prints out mappings between taskIds and OS pr...
Definition: fs_workload.hh:103
gem5::ArmISA::SkipFuncLinux64
Definition: fs_workload.hh:69
gem5::ArmISA::DumpStats::process
void process(ThreadContext *tc) override
This function is called whenever the the kernel function "__switch_to" is called to change running ta...
Definition: fs_workload.cc:340
gem5::ArmISA::FsLinux::kernelOops
PCEvent * kernelOops
Event to halt the simulator if the kernel calls oopses
Definition: fs_workload.hh:127
gem5::ArmISA::FsLinux
Definition: fs_workload.hh:76
gem5::ArmISA::FsLinux::~FsLinux
~FsLinux()
Definition: fs_workload.cc:195
gem5::ArmISA::DumpStats::DumpStats
DumpStats(PCEventScope *s, const std::string &desc, Addr addr)
Definition: fs_workload.hh:147
gem5::ArmISA::DumpStats64::getTaskDetails
void getTaskDetails(ThreadContext *tc, uint32_t &pid, uint32_t &tgid, std::string &next_task_str, int32_t &mm) override
Extracts the information used by the DumpStatsPCEvent64 by reading the task_struct pointer passed to ...
Definition: fs_workload.cc:322
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::OutputStream
Definition: output.hh:56
gem5::PCEventScope
Definition: pc_event.hh:67
gem5::X86ISA::addr
Bitfield< 3 > addr
Definition: types.hh:84

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