On 01/31/2014 12:14 PM, Rodrigo Fraxino Araujo wrote: > Hi Maynard, > > I just reviewed a fix for that bug on > https://git.eclipse.org/r/#/c/21405/ . If you could confirm it fixes > the bug Ill close the bugzilla. Thanks. Thanks Rodrigo. Since I'm not an Eclipse developer, I don't know how I can install this fix on my system. Can you give me explicit instructions? Thanks!
-Maynard > > Kind regards, > Rodrigo. > > On Fri, 31 Jan 2014 08:01:49 -0600 > Maynard Johnson <mayna...@us.ibm.com> wrote: > >> On 01/30/2014 04:03 PM, Jeff Johnston wrote: >>> Confirmed. Please open a bug. The code is getting the minCount >>> when creating the event parameter for operf so that is why you are >>> seeing 6000 each time. >> >> I opened a bug ... >> https://bugs.eclipse.org/bugs/show_bug.cgi?id=427121. >> >> -Maynard >>> >>> -- Jeff J. >>> >>> ----- Original Message ----- >>>> From: "Maynard Johnson" <mayna...@us.ibm.com> >>>> To: "Linux Tools developer discussions" >>>> <linuxtools-dev@eclipse.org> Sent: Thursday, January 30, 2014 >>>> 3:26:42 PM Subject: [linuxtools-dev] oprofile plug-in ignores >>>> user-specified 'count' >>>> >>>> Hi, all, >>>> I'm using the oprofile plug-in on Kepler. The version of the >>>> OProfile Core Plug-in is 2.0.0.201309171939. The plug-in appears >>>> to ignore a user-specified count value. Here are the steps to >>>> reproduce: >>>> >>>> 1. Create a simple C project to be profiled. >>>> 2. Right click on the project, select "Profiling Tools | Profiling >>>> Tools Configurations". >>>> 3. Create a new "Profile with OProfile" configuration. >>>> 4. Under the "Global" tab, select 'operf'. >>>> 5. Under the "Events" tab, uncheck the "Use default event" box, >>>> check the "Enabled" box in the Ctr 0 tab, select an event (like >>>> CPU_CLK_UNHALTED for Intel systems), and then edit the "Count" >>>> field, specifying something like "500000". >>>> 6. Click the "Apply" and "Profile" buttons. >>>> >>>> During the profiling session, I see a bunch of messages like below >>>> spewing to every open terminal window: >>>> >>>> kernel:Dazed and confused, but trying to continue >>>> >>>> This may or may not happen when trying to reproduce the problem, >>>> depending on kernel version and processor model. My system is >>>> RHEL 6.4/Core 2 Duo. >>>> >>>> I then went into my Eclipse workspace project directory and found >>>> the "oprofile_data" directory where the profile data was stored. >>>> Running 'opreport' from that directory showed the profile data >>>> below [1]. Note the 'count 6000' at the end of the line where the >>>> event name and description are given. This value of 6000 is the >>>> minimum value for the CPU_CLK_UNHALTED event. So the oprofile >>>> plug-in ignored the '500000' value that I specified for the >>>> 'count' value. I tried other events and got the same result -- >>>> i.e., the minimum value was always used for profiling, no matter >>>> what I specified in the 'count' field. BTW, you can see the >>>> minimum value for each event in the output of ophelp. >>>> >>>> Is this a bug or am I misunderstanding something about how to >>>> specify the profile configuration? >>>> >>>> Thanks! >>>> >>>> -Maynard >>>> >>>> ---------------------------------------------- >>>> [1] >>>> [maynard@oc3431575272 memcpyt]$ opreport >>>> Using /home/maynard/workspace/memcpyt/oprofile_data/samples/ for >>>> samples directory. >>>> >>>> WARNING! Some of the events were throttled. Throttling occurs when >>>> the initial sample rate is too high, causing an excessive number of >>>> interrupts. Decrease the sampling frequency. Check the directory >>>> /home/maynard/workspace/memcpyt/oprofile_data/samples/current/stats/throttled >>>> for the throttled event names. >>>> >>>> CPU: Core 2, speed 2534 MHz (estimated) >>>> Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) >>>> with a unit mask of 0x00 (Unhalted core cycles) count 6000 >>>> CPU_CLK_UNHALT...| >>>> samples| %| >>>> ------------------ >>>> 2279376 100.000 memcpyt >>>> CPU_CLK_UNHALT...| >>>> samples| %| >>>> ------------------ >>>> 2089905 91.6876 libc-2.12.so >>>> 147437 6.4683 memcpyt >>>> 41995 1.8424 no-vmlinux >>>> 39 0.0017 ld-2.12.so >>>> >>>> _______________________________________________ >>>> linuxtools-dev mailing list >>>> linuxtools-dev@eclipse.org >>>> https://dev.eclipse.org/mailman/listinfo/linuxtools-dev >>>> >>> _______________________________________________ >>> linuxtools-dev mailing list >>> linuxtools-dev@eclipse.org >>> https://dev.eclipse.org/mailman/listinfo/linuxtools-dev >>> >> >> _______________________________________________ >> linuxtools-dev mailing list >> linuxtools-dev@eclipse.org >> https://dev.eclipse.org/mailman/listinfo/linuxtools-dev >> > > _______________________________________________ > linuxtools-dev mailing list > linuxtools-dev@eclipse.org > https://dev.eclipse.org/mailman/listinfo/linuxtools-dev > _______________________________________________ linuxtools-dev mailing list linuxtools-dev@eclipse.org https://dev.eclipse.org/mailman/listinfo/linuxtools-dev
