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I have compiled axle-zsim-nvmain using
scons -j4 --d
But it seems I cannot set breakpoint for nvmain in gdb. Why is that?

I tried to run spec06 on zsim and they works just fine. But when I turn to use axle-zsim-nvmain. After running for a while the program output is as follows:

defaultMemory.channel0.FRFCFS-WQF capacity is 4096 MB.
Creating 4 command queues.
max system bytes = 1073740799
system bytes = 1073740799
in use bytes = 23325440
[H] Attached to global heap
spec_init
Loading Input Data
Duplicating 51763200 bytes
Duplicating 103526400 bytes
Duplicating 2662400 bytes
Input data 209715200 bytes in length
Compressing Input Data, level 5
[S 0] [1] Internal exception detected:
[S 0] [1] Code: 1
[S 0] [1] Address: 0x7ffff682ff81
[S 0] [1] Description: Exception Code: ACCESS_INVALID_ADDRESS. Exception Address = 0x7ffff682ff81. Access Type: UNKNOWN. Access Address = 0x000000000
[S 0] [1] Caused by invalid access to address 0x0
[S 0] [1] Backtrace (25/40 max frames)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/zsim.cpp:1402 / InternalExceptionHandler
[S 0] [1] dwarf_form.c:0 / LEVEL_PINCLIENT::IEH_CALLBACKS::NotifyInternalException(unsigned int, LEVEL_BASE::EXCEPTION_INFO_, LEVEL_VM::CONTEXT_)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/pin_kit/intel64/bin/pinbin(ZN8LEVEL_VM12SIGNALS_IMPL19InternalHandlerSyncEiPN7BARECRT8SIGXINFOEPN5PINVM11ISIGCONTEXTEPPKNS_14SCT_ATTRIBUTESEPNS_5PCTXTEPj+0x462) [0x3077f3b2]
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/pin_kit/intel64/bin/pinbin(ZN8LEVEL_VM12SIGNALS_IMPL20HandlePhysicalSignalEPN7BARECRT8SIGXINFOEPN5PINVM11ISIGCONTEXTE+0x200) [0x30785040]
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/pin_kit/intel64/bin/pinbin(ZN5PINVM28SIGNAL_DETAILS_LINUX_INTEL6415InternalHandlerEiPN7BARECRT8SIGXINFOEPv+0x9a) [0x3082696a]
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/pin_kit/intel64/bin/pinbin(BARECRT_SigReturnRt+0) [0x30851d7c]
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/timing_event.h:173 / TimingEvent::release()
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain_mem_ctrl.cpp:439 / NVMainMemory::RequestComplete(NVM::NVMainRequest)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/src/NVMObject.cpp:206 / NVM::NVMObject_hook::RequestComplete(NVM::NVMainRequest)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/NVM/nvmain.cpp:495 / NVM::NVMain::RequestComplete(NVM::NVMainRequest)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/src/NVMObject.cpp:206 / NVM::NVMObject_hook::RequestComplete(NVM::NVMainRequest_)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/src/MemoryController.cpp:351 / NVM::MemoryController::RequestComplete(NVM::NVMainRequest_)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/MemControl/FRFCFS-WQF/FRFCFS-WQF.cpp:331 / NVM::FRFCFS_WQF::RequestComplete(NVM::NVMainRequest_)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/src/NVMObject.cpp:206 / NVM::NVMObject_hook::RequestComplete(NVM::NVMainRequest_)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/src/EventQueue.cpp:384 / NVM::EventQueue::Process()
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/src/EventQueue.cpp:338 / NVM::EventQueue::Loop(unsigned long)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain/src/EventQueue.cpp:525 / NVM::GlobalEventQueue::Cycle(unsigned long)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain_mem_ctrl.cpp:280 / NVMainMemory::tick(unsigned long)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/nvmain_mem_ctrl.cpp:96 / SchedEventNVMain::simulate(unsigned long)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/timing_event.h:163 / TimingEvent::run(unsigned long)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/contention_sim.cpp:309 / ContentionSim::simulatePhaseThread(unsigned int)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/contention_sim.cpp:282 / ContentionSim::simThreadLoop(unsigned int)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/build/debug/contention_sim.cpp:59 / ContentionSim::SimThreadTrampoline(void_)
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/pin_kit/intel64/bin/pinbin(_ZN8LEVEL_VM17VM_THREAD_DB_UNIX13THREAD_RUNNER9RunThreadEPN11OS_SERVICES7ITHREADE+0x291) [0x30790671]
[S 0] [1] /home/zhuguoliang/project/git_proj/axle-zsim-nvmain/pin_kit/intel64/bin/pinbin(_ZN11OS_SERVICES6THREAD12RootFunctionEPv+0x26) [0x30851376]
C:Tool (or Pin) caused signal 11 at PC 0x7ffff682ff81
[H] Child 4475 done
[H] Panic on build/debug/zsim_harness.cpp:123: Child 4475 (idx 0) exit was anomalous, killing simulation

It seems that our simulator has accessed some address with null pointer. How can I find where it is?
Can anybody give me a heads up?

This project does not use the latest version of ZSim.

For example, ZSim has officially supported Pin 2.14, while this project does not.

Therefore, I wonder if NVMain is compatible with the latest ZSim.

I tried two methods. Set attachDebugger to true. However no gdb window was launched in this case. Then I compiled zsim-nvmain as scons -d. Launched gdb debugger. However, it is allowing to put breakpoints in only very few files.

Hi, github community!

I have been working on axle-zsim-nvmain project and I found that some of my scripts works fine with original cfg file from zsim such as het.cfg.
But the sad thing is when I use my scripts in AXLE-XXXX.cfg file. It always returns child panic with exit code 112.

Can anybody fix this?

Can you provide any documentation to learn this simulator (zSim)? It would be very helpful... Thank you

when I compile zsim-nvmain , error listed below appearanced：

/usr/bin/ld: /usr/lib/librt.a(clock_gettime.o): relocation R_X86_64_32 against `__pthread_clock_gettime' can not be used when making a shared object; recompile with -fPIC

I tried many methods to solve this problem , but failed finally. Can anyone tell me what happend ? The environment was not ready ? Or librt.a had something wrong?

Dear everyone,
I noticed a file named "mcpat.py" in the misc file. Has anybody used it? If yes could you please show me how to use that?
Thank you very much!

Hi all,

I run with SPEC CPU2k6 to evalute my PCM relead proposal. When AXLE-sandy-pcm.cfg is fed to zsim, the simulation crashed with the following backtrace dump,

[S 0] [1] Internal exception detected:
[S 0] [1] Code: 1
[S 0] [1] Address: 0x7ffff6862451
[S 0] [1] Description: Exception Code: ACCESS_INVALID_ADDRESS. Exception Address = 0x7ffff6862451. Access Type: UNKNOWN. Access Address = 0x000000000
[S 0] [1] Caused by invalid access to address 0x0
[S 0] [1] Backtrace (18/40 max frames)
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/zsim.cpp:1417 / InternalExceptionHandler
[S 0] [1] :? / LEVEL_PINCLIENT::IEH_CALLBACKS::NotifyInternalException(unsigned int, LEVEL_BASE::EXCEPTION_INFO_, LEVEL_VM::CONTEXT_)
[S 0] [1] /home/hanfeng/Workspace/tools/pin/intel64/bin/pinbin(_ZN8LEVEL_VM12SIGNALS_IMPL19InternalHandlerSyncEiPN7BARECRT8SIGXINFOEPN5PINVM11ISIGCONTEXTEPPKNS_14SCT_ATTRIBUTESEPNS_5PCTXTEPj+0x462) [0x3077e002]
[S 0] [1] /home/hanfeng/Workspace/tools/pin/intel64/bin/pinbin(_ZN8LEVEL_VM12SIGNALS_IMPL20HandlePhysicalSignalEPN7BARECRT8SIGXINFOEPN5PINVM11ISIGCONTEXTE+0x200) [0x30783c90]
[S 0] [1] /home/hanfeng/Workspace/tools/pin/intel64/bin/pinbin(_ZN5PINVM28SIGNAL_DETAILS_LINUX_INTEL6415InternalHandlerEiPN7BARECRT8SIGXINFOEPv+0x9a) [0x308245ca]
[S 0] [1] /home/hanfeng/Workspace/tools/pin/intel64/bin/pinbin(BARECRT_SigReturnRt+0) [0x3084fa3c]
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/timing_event.h:173 / TimingEvent::release()
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/nvmain-src/NVM/nvmain.cpp:495 / NVM::NVMain::RequestComplete(NVM::NVMainRequest*)
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/nvmain-src/src/EventQueue.cpp:383 / NVM::EventQueue::Process()
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/nvmain-src/src/EventQueue.cpp:338 / NVM::EventQueue::Loop(unsigned long)
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/nvmain-src/src/EventQueue.cpp:528 / NVM::GlobalEventQueue::Cycle(unsigned long)
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/nvmain_mem_ctrl.cpp:288 / NVMainMemory::tick(unsigned long)
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/nvmain_mem_ctrl.cpp:98 / SchedEventNVMain::simulate(unsigned long)
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/timing_event.h:163 / TimingEvent::run(unsigned long)
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/contention_sim.cpp:309 / ContentionSim::simulatePhaseThread(unsigned int)
[S 0] [1] /home/hanfeng/Workspace/ZSIM/zsim-src/build/opt/contention_sim.cpp:282 / ContentionSim::simThreadLoop(unsigned int)
[S 0] [1] /home/hanfeng/Workspace/tools/pin/intel64/bin/pinbin(_ZN8LEVEL_VM17VM_THREAD_DB_UNIX13THREAD_RUNNER9RunThreadEPN11OS_SERVICES7ITHREADE+0x291) [0x3078d8b1]
[S 0] [1] /home/hanfeng/Workspace/tools/pin/intel64/bin/pinbin(_ZN11OS_SERVICES6THREAD12RootFunctionEPv+0x26) [0x3084f036]
C:Tool (or Pin) caused signal 11 at PC 0x7ffff6862451
[H] Child 30249 done
[H] Panic on build/opt/zsim_harness.cpp:123: Child 30249 (idx 0) exit was anomalous, killing simulation

The zsim log also reports the failure as follows.

[S 0] Failed assertion on build/opt/timing_event.h:173: state should be 3, 15988976 instead

However, when AXLE-sandy-dram.cfg is fed to zsim, the simulation can pass without any errors.

May I have any suggestions to handle this problem?

Hello github community!
I have configured axle-zsim-nvmain to work on my laptop.
And when I run command:
./build/opt/zsim tests/AXLE-sandy-nvm.cfg
Everything seems to be working smoothly.
After I change the command in AXLE-sandy-nvm.cfg to
command = “sh /path/to/my/benchmark/script.sh”
The problem shows up saying :Child issued a panic, killing simulation.

Is it because the sh has forked another thread ?
How should I solve this?
BTW: in the script.sh, I only cd to the benchmark dir and then execute the benchmark.

When I enable the inbuilt prefetcher of NVMAIN, my simulation fails with the following error.

[S 0] [1] Internal exception detected:
[S 0] [1] Code: 1
[S 0] [1] Address: 0x7ffff63d2179
[S 0] [1] Description: Exception Code: ACCESS_INVALID_ADDRESS. Exception Address = 0x7ffff63d2179. Access Type: UNKNOWN. Access Address = 0x000000008
[S 0] [1] Caused by invalid access to address 0x8
[S 0] [1] Backtrace (15/40 max frames)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/build/opt/zsim.cpp:1403 / InternalExceptionHandler
[S 0] [1] :? / LEVEL_PINCLIENT::IEH_CALLBACKS::NotifyInternalException(unsigned int, LEVEL_BASE::EXCEPTION_INFO*, LEVEL_VM::CONTEXT*)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/dependencies/pin-2.14-71313-gcc.4.4.7-linux/intel64/bin/pinbin(_ZN8LEVEL_VM12SIGNALS_IMPL19InternalHandlerSyncEiPN7BARECRT8SIGXINFOEPN5PINVM11ISIGCONTEXTEPPKNS_14SCT_ATTRIBUTESEPNS_5PCTXTEPj+0x444) [0x3043a9454]
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/dependencies/pin-2.14-71313-gcc.4.4.7-linux/intel64/bin/pinbin(_ZN8LEVEL_VM12SIGNALS_IMPL20HandlePhysicalSignalEPN7BARECRT8SIGXINFOEPN5PINVM11ISIGCONTEXTE+0x124) [0x3043aa1f4]
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/dependencies/pin-2.14-71313-gcc.4.4.7-linux/intel64/bin/pinbin(_ZN5PINVM28SIGNAL_DETAILS_LINUX_INTEL6415InternalHandlerEiPN7BARECRT8SIGXINFOEPv+0xe8) [0x304438c88]
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/dependencies/pin-2.14-71313-gcc.4.4.7-linux/intel64/bin/pinbin(BARECRT_SigReturnRt+0) [0x30446603c]
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/build/opt/nvmain/src/NVMObject.cpp:60 / NVM::NVMObject_hook::IssueCommand(NVM::NVMainRequest*)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/build/opt/nvmain/NVM/nvmain.cpp:274 / NVM::NVMain::GeneratePrefetches(NVM::NVMainRequest*, std::vector<NVM::NVMAddress, std::allocatorNVM::NVMAddress >&)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/build/opt/nvmain/NVM/nvmain.cpp:310 / NVM::NVMain::IssuePrefetch(NVM::NVMainRequest*)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/build/opt/nvmain/NVM/nvmain.cpp:402 / NVM::NVMain::IssueCommand(NVM::NVMainRequest*)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/build/opt/nvmain_mem_ctrl.cpp:379 / NVMainMemory::enqueue(NVMainAccEvent*, unsigned long)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/build/opt/timing_event.h:163 / TimingEvent::run(unsigned long)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/build/opt/contention_sim.cpp:282 / ContentionSim::simThreadLoop(unsigned int)
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/dependencies/pin-2.14-71313-gcc.4.4.7-linux/intel64/bin/pinbin(_ZN8LEVEL_VM17VM_THREAD_DB_UNIX13THREAD_RUNNER9RunThreadEPN11OS_SERVICES7ITHREADE+0x289) [0x3043b3239]
[S 0] [1] /home/subisha.v/Simulator/axle-zsim-nvmain-master/dependencies/pin-2.14-71313-gcc.4.4.7-linux/intel64/bin/pinbin(_ZN11OS_SERVICES6THREAD12RootFunctionEPv+0x26) [0x304465636]
[S 0] [1] Internal exception detected:
[S 0] [1] Code: 6
[S 0] [1] Address: 0x7ffff6e40dfa
[S 0] [1] Description: Exception Code: PRIVILEGED_INS. Exception Address = 0x7ffff6e40dfa
A: dependencies/pin-2.14-71313-gcc.4.4.7-linux/source/include/pin/gen/exception.PH: GetFaultyAccessAddress: 242: assertion failed: IsAccessFault()

Hello, everybody. Who knows how to run spec2006 in your PC. I wanna to try, but I cannot find the right place where the $CPUSPECPATH/" in. What should I do next? Ths!