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author | Steve Reinhardt <stever@eecs.umich.edu> | 2004-11-16 17:20:38 -0500 |
---|---|---|
committer | Steve Reinhardt <stever@eecs.umich.edu> | 2004-11-16 17:20:38 -0500 |
commit | c9b0204e2891d2004d33aff196833fa009e00892 (patch) | |
tree | c7e7b943213f50590b9797ff34ee20bc2ecbe59c /cpu/base_cpu.hh | |
parent | 34b20144639a75926ec87fcb5be83bcb5aeffb07 (diff) | |
download | gem5-c9b0204e2891d2004d33aff196833fa009e00892.tar.xz |
Add simple function-tracing support. Prints a message
every time the committed PC changes from one symbol scope
to another.
Set function_trace=y on target CPU to enable.
To defer start, use function_trace_start=<tick>
(in addition to setting function_trace=y).
cpu/base_cpu.cc:
cpu/base_cpu.hh:
Add simple function-tracing support.
cpu/simple_cpu/simple_cpu.cc:
Add function_trace, function_trace_start params
Call traceFunctions() on instruction completion
cpu/simple_cpu/simple_cpu.hh:
Add function_trace, function_trace_start params
--HG--
extra : convert_revision : 8a7f84028ccbaee585253629007f32fc8eae35e1
Diffstat (limited to 'cpu/base_cpu.hh')
-rw-r--r-- | cpu/base_cpu.hh | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/cpu/base_cpu.hh b/cpu/base_cpu.hh index 8668c3216..baa956aa8 100644 --- a/cpu/base_cpu.hh +++ b/cpu/base_cpu.hh @@ -95,16 +95,18 @@ class BaseCPU : public SimObject BaseCPU(const std::string &_name, int _number_of_threads, bool _def_reg, Counter max_insts_any_thread, Counter max_insts_all_threads, Counter max_loads_any_thread, Counter max_loads_all_threads, - System *_system, Tick freq); + System *_system, Tick freq, + bool _function_trace = false, Tick _function_trace_start = 0); #else BaseCPU(const std::string &_name, int _number_of_threads, bool _def_reg, Counter max_insts_any_thread = 0, Counter max_insts_all_threads = 0, Counter max_loads_any_thread = 0, - Counter max_loads_all_threads = 0); + Counter max_loads_all_threads = 0, + bool _function_trace = false, Tick _function_trace_start = 0); #endif - virtual ~BaseCPU() {} + virtual ~BaseCPU(); virtual void init(); virtual void regStats(); @@ -166,6 +168,23 @@ class BaseCPU : public SimObject virtual Counter totalInstructions() const { return 0; } + // Function tracing + private: + bool functionTracingEnabled; + std::ostream *functionTraceStream; + Addr currentFunctionStart; + Addr currentFunctionEnd; + Tick functionEntryTick; + void enableFunctionTrace(); + void traceFunctionsInternal(Addr pc); + + protected: + void traceFunctions(Addr pc) + { + if (functionTracingEnabled) + traceFunctionsInternal(pc); + } + private: static std::vector<BaseCPU *> cpuList; //!< Static global cpu list |