Re: [rvm-research] Questions on perf tool usage in JikesRVM

Hi,


Problem solved. Because sys.C in JikesRVM is built with old gcc toolchain, and I changed the line in build.xml as "<arg line="-Wl,--no-as-needed ${c++.args} ${rvm.common.args} ${gcspy.lib.dir} -lpthread ${perfevent.lib} ${c++.librt} ${rvm.src} ${c++.rdynamic} -g"/>"

Thanks.
 
Thanks!
Best
Junjie


________________________________
 From: Junjie Qian <[email protected]>
To: Rifat Shahriyar <[email protected]>; "General discussion of Jikes RVM design, implementation, issues, and plans" <[email protected]> 
Sent: Monday, August 19, 2013 6:04 PM
Subject: Re: [rvm-research] Questions on perf tool usage in JikesRVM
 


Hi Rifat,

Thanks for advice.
Now I have Jikes built successfully with "bin/buildit --with-perfevent localhost production".
The message shows as:
===================== Summary =====================
>Local   : ....../jikesrvm-3.1.3
>Build   : ....../jikesrvm-3.1.3
>Target  : ..../jikesrvm-3.1.3
>Start   : Mon Aug 19 17:45:26 CDT 2013
>Config  : production [SUCCESS Mon Aug 19 17:50:09 CDT 2013]
>=================================================== 
>
But the problem is there is no "JikesRVM" in folder "dist/working/production_x86_64-linux/", which makes the execution abort as "rvm: line 30: ........../jikesrvm-3.1.3/dist/working/production_x86_64-linux/JikesRVM: No such file or directory"

Is there something wrong with my build, or usage?

Thanks!
Best
Junjie


________________________________
 From: Rifat Shahriyar <[email protected]>
To: Junjie Qian <[email protected]>; "General discussion of Jikes RVM design, implementation, issues, and plans" <[email protected]> 
Cc: "[email protected]" <[email protected]> 
Sent: Sunday, August 18, 2013 2:14 AM
Subject: Re: [rvm-research] Questions on perf tool usage in JikesRVM
 


Hello, 
You need to build Jikes using --with-perfevent.

bin/buildit --with-perfevent localhost production

Regards
-
Rifat
ANU



On 17/08/2013, at 8:41 PM, Junjie Qian <[email protected]> wrote:


Dear all,
>
>
>I am using the perf tool in Jikesrvm-3.1.3 with the command line "..../rvm -X:gc:perfEvents=LLC-misses -X:gc:harnessAll=true -jar dacapo-9.12-rc1-bach.jar luindex"
>
>
>The problem is it prints "CONTENDED" for both "LLC-missescontended.muLLC-missescontended.gc".
>
>
>I have perfmon worked, and tried some work with "tool/bootImageRunner/sys.C" (update the library to the new perfmon location) and "build.xml" (update the gcc build option with -c which needed in the perfmon example).
> 
>My questions are, 1. how to verify the sys.c compiled correctly (having the functions worked)? 2. what else I need to do to have the perf function work?
>
>
>Thanks!
>Best
>Junjie
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