Hi,
I set the environment as follow:
export PATH=$PATH:/usr/local/protobuf/bin
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/protobuf/lib
export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/protobuf/lib
Best,
Rosen
Serhat Gesoglu <serhat.geso...@manchester.ac.uk> 于2019年7月25日周四 上午9:43写道：
> Hello,
> Could you try locating the protoc bin and setting the environment PROTOC
> to it?
>
> Serhat
>
> ------------------------------
> *From:* gem5-users [gem5-users-boun...@gem5.org] on behalf of Rosen Lu [
> wisdom....@gmail.com]
> *Sent:* 25 July 2019 15:06
> *To:* gem5 users mailing list
> *Subject:* Re: [gem5-users] MemTraceProbe cannot be imported successfully
>
> Hello Serhat,
>
> Thank you for your reply. After I rebuilt gem5, the following error
> message prompted:
> ***
> scons: Reading SConscript files ...
> Package protobuf was not found in the pkg-config search path.
> Perhaps you should add the directory containing `protobuf.pc'
> to the PKG_CONFIG_PATH environment variable
> No package 'protobuf' found
> Warning: pkg-config could not get protobuf flags.
> Checking for C header file Python.h... (cached) yes
> Checking for C library pthread... (cached) yes
> Checking for C library dl... (cached) yes
> Checking for C library util... (cached) yes
> Checking for C library m... (cached) yes
> Checking for C library python2.7... (cached) yes
> Checking for accept(0,0,0) in C++ library None... (cached) yes
> Checking for zlibVersion() in C++ library z... (cached) yes
> Checking for GOOGLE_PROTOBUF_VERIFY_VERSION in C++ library protobuf...
> (cached) no
> Warning: did not find protocol buffer library and/or headers.
> Please install libprotobuf-dev for tracing support.
> Checking for clock_nanosleep(0,0,NULL,NULL) in C library None... (cached)
> yes
> Checking for timer_create(CLOCK_MONOTONIC, NULL, NULL) in C library
> None... (cached) no
> Checking for timer_create(CLOCK_MONOTONIC, NULL, NULL) in C library rt...
> (cached) yes
> Checking for C library tcmalloc... (cached) no
> Checking for C library tcmalloc_minimal... (cached) no
> You can get a 12% performance improvement by installing tcmalloc
> (libgoogle-perftools-dev package on Ubuntu or RedHat).
> Checking for backtrace_symbols_fd((void*)0, 0, 0) in C library None...
> (cached) no
> Checking for backtrace_symbols_fd((void*)0, 0, 0) in C library execinfo...
> (cached) no
> No suitable back trace implementation found.
> Checking for C header file fenv.h... (cached) yes
> Checking for C header file png.h... (cached) no
> Warning: Header file <png.h> not found.
> This host has no libpng library.
> Disabling support for PNG framebuffers.
> Checking for C header file linux/kvm.h... (cached) yes
> Checking for C header file linux/if_tun.h... (cached) yes
> Checking size of struct kvm_xsave ... (cached) yes
> Checking for member exclude_host in struct perf_event_attr...(cached) yes
> Checking whether __i386__ is declared... (cached) no
> Checking whether __x86_64__ is declared... (cached) yes
> Building in /home/cc/gem5-prefetch-camat/build/X86
> Using saved variables file /home/cc/gem5-prefetch-camat/build/variables/X86
> ImportError: No module named MemTraceProbe:
> File "/home/cc/gem5-prefetch-camat/SConstruct", line 1249:
> SConscript('src/SConscript', variant_dir = variant_path, exports =
> 'env')
> File "/usr/lib/python2.7/site-packages/SCons/Script/SConscript.py", line
> 614:
> return method(*args, **kw)
> File "/usr/lib/python2.7/site-packages/SCons/Script/SConscript.py", line
> 551:
> return _SConscript(self.fs, *files, **subst_kw)
> File "/usr/lib/python2.7/site-packages/SCons/Script/SConscript.py", line
> 260:
> exec _file_ in call_stack[-1].globals
> File "/home/cc/gem5-prefetch-camat/build/X86/SConscript", line 532:
> exec('from m5.objects import %s' % modname)
> File "<string>", line 1:
> None
> File "/home/cc/gem5-prefetch-camat/build/X86/SConscript", line 512:
> exec file(source.abspath, 'r') in mod.__dict__
> File "/home/cc/gem5-prefetch-camat/src/cpu/simple/AtomicSimpleCPU.py",
> line 42:
> from BaseSimpleCPU import BaseSimpleCPU
> File "/home/cc/gem5-prefetch-camat/build/X86/SConscript", line 512:
> exec file(source.abspath, 'r') in mod.__dict__
> File "/home/cc/gem5-prefetch-camat/src/cpu/simple/BaseSimpleCPU.py",
> line 31:
> from BaseCPU import BaseCPU
> File "/home/cc/gem5-prefetch-camat/build/X86/SConscript", line 512:
> exec file(source.abspath, 'r') in mod.__dict__
> File "/home/cc/gem5-prefetch-camat/src/cpu/BaseCPU.py", line 60:
> from m5.objects.MemTraceProbe import *
> ***
>
> I think this error was because of the absence of protobuf. However, I
> have installed protobuf,
> ***
> protoc --version
> libprotoc 3.9.0
> ***
> So is this a version mismatch problem?
>
> Best,
> Rosen
>
>
> Serhat Gesoglu <serhat.geso...@manchester.ac.uk> 于2019年7月25日周四 上午6:33写道：
>
>> Hello,
>> If you are using the recent versions of gem5, you should use:
>> ***
>> from m5.objects.CommMonitor import *
>> from m5.objects.MemTraceProbe import *
>> ***
>>
>> instead of "from <module> import *"
>>
>> I just did a clean install / build and did not have any errors.
>>
>> Kind regards
>> Serhat
>>
>> ________________________________________
>> From: gem5-users [gem5-users-boun...@gem5.org] on behalf of Rosen Lu [
>> wisdom....@gmail.com]
>> Sent: 25 July 2019 05:48
>> To: gem5-users@gem5.org
>> Subject: [gem5-users] MemTraceProbe cannot be imported successfully
>>
>> Hello,
>>
>> I am trying to have a monitor between the CPU and L1 Cache, so for
>> src/cpu/BaseCPU.py, I edited the function "addPrivateSplitL1Caches":
>> ...
>> #self.dcache_port = dc.cpu_side
>> self.monitor = CommMonitor()
>> self.monitor.trace = MemTraceProbe(trace_file="trace.txt")
>> self.dcache_port = self.monitor.slave
>> self.monitor.master = dc.cpu_side
>> ..
>> I got an error: 'MemTraceProbe' is not defined
>>
>> Then, I imported CommMonitor and MemTraceProbe in BaseCPU.py
>> However, MemTraceProbe cannot be imported successfully.
>> How to solve this problem?
>> I will appreciate any help.
>>
>> Best regards,
>> Rosen
>> _______________________________________________
>> gem5-users mailing list
>> gem5-users@gem5.org
>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>
> _______________________________________________
> gem5-users mailing list
> gem5-users@gem5.org
> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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