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.
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
