You need to add a -L<LIBPROFILERPATH> and most likely a -Wl,--rpath -Wl, <LIBPROFILERPATH> arguments to the g++ invocation (replace <LIBRPROFILERPATH> with the path)
To debug, just copy & paste the post compiler flag and try adding it. Once
you have it working, you can also do it via -cxx-postarg command line
option to x10c++ to avoid having to manually invoke g++
--dave
From: Konstantina Panagiotopoulou <kwno...@hotmail.com>
To: Mailing list for users of the X10 programming language
<x10-users@lists.sourceforge.net>,
Date: 10/28/2013 04:09 PM
Subject: Re: [X10-users] Performance analysis tool
Hello Dave and all,
I tried what you suggested.. but..
I am using both mpi for the x10rt and the gpt library
My command line looks like this:
bin/x10c++ -x10rt mpi PATH_TO_SOURCE -o EXECUTABLE -O -gpt
And this is the error I get.
x10c++: /usr/bin/ld: cannot find -lprofiler
collect2: ld returned 1 exit status
x10c++: Non-zero return code: 1
I am guessing it could be because I have installed gperftools with prefix
and not in the default location(due to limited permissions). From the
compiler's man page I cannot find something to specify the path to gperf
tools.
Finally this is the output from the postcompiler..I cannot really say there
is something wrong..but maybe you could have a look. The -lprofiler flag is
there though(???)
Executing post-compiler mpicxx
-I/home/kp167/Desktop/x10new/x10.dist/include
-I/home/kp167/Desktop/x10new/x10.dist/stdlib/include
-I/home/kp167/Desktop/x10new/x10.dist
-I. -O2 -finline-functions -DNO_TRACING -Wno-long-long
-Wno-unused-parameter
-g -DHOMOGENEOUS -DX10_USE_BDWGC -pthread
-o /home/kp167/Desktop/x10new/x10.dist/gen GenBlock.cc UniverseC.cc Body.cc
myRandom.cc xxx_main_xxx.cc
-L/home/kp167/Desktop/x10new/x10.dist/stdlib/lib -lx10 -lgc -lm -lpthread
-lrt -ldl
-L/home/kp167/Desktop/x10new/x10.dist/lib -lx10rt_mpi -lprofiler
-Wl,--rpath -Wl,/home/kp167/Desktop/x10new/x10.dist/stdlib/lib -Wl,--rpath
-Wl,/home/kp167/Desktop/x10new/x10.dist/lib -Wl,-export-dynamic
Regards,
Konstantina
2013/10/25 David P Grove <gro...@us.ibm.com>
Konstantina Panagiotopoulou <kwno...@hotmail.com> wrote on 10/25/2013
11:37:46 AM:
>
> Thank you both for your help. So I started with gperftools as David
suggested.
> But I'm having some problems since the manual refers to gcc mainly.
>
> So in my program I am compiling with :
>
> bin/x10c++ -gpt -o myexecutable myprogram.x10
>
> But any pother gperf flag is not permitted. Say, I need the CPU
> profiling. Then I need to link with -lprofiler.
> How can I specify further options after the gpt flag?
Hi,
when you invoke x10c++ with -gpt, it automatically adds the -lprofiler
argument to the g++ command it generates under the covers. If
libprofiler.so is in a standard place (eg /usr/lib) then there is nothing
else to do.
If you have gperf tools installed somewhere else, then you will need to
fiddle with the g++ command. The easiest way to experiment with this is
to get x10c++ to print the g++ command it is using, and then manually
adjust that until you get something that works.
[dgrove@linchen myTests]$ x10c++ -gpt -report postcompile=5
HelloWorld.x10
Output files: {HelloWorld=[HelloWorld.h, HelloWorld.cc]}
Executing post-compiler g++ -I/home/dgrove/x10-trunk/x10.dist/include
-I/home/dgrove/x10-trunk/x10.dist/stdlib/include
-I/home/dgrove/x10-trunk/myTests -I. -Wno-long-long -Wno-unused-parameter
-g -DHOMOGENEOUS -DX10_USE_BDWGC -Wl,--no-as-needed -pthread
HelloWorld.cc xxx_main_xxx.cc
-L/home/dgrove/x10-trunk/x10.dist/stdlib/lib -lx10 -lgc -lm -lpthread
-lrt -ldl -L/home/dgrove/x10-trunk/x10.dist/lib -lx10rt_sockets
-Wl,--no-as-needed -lprofiler -Wl,--as-needed -Wl,--rpath
-Wl,/home/dgrove/x10-trunk/x10.dist/stdlib/lib -Wl,--rpath
-Wl,/home/dgrove/x10-trunk/x10.dist/lib -Wl,-export-dynamic
--dave
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