Hi Binh, I did a remake of "pfmon" for the newer kernels and libpfm4 long time ago. It's not as powerful as the old pfmon (I only need a few of its functions), but it can do system-wide monitoring. I put the code at https://github.com/wwang/pfm_multi. Feel free to check it out.
cheers, Wei On 04/02/2014 01:10 PM, Binh Pham wrote: > Hi Maynard, > > Thanks for your suggestion. Right, I have been using oprofile for a while. > The reason I need libpfm specifically is when using oprofile in a virtual > machine with PMC already exported by the host, oprofile doesn’t list all > events that I need properly. However, libpfm does seem to see those events, > and I am able to use it to track performance of C programs on virtual machine > so far… > > Binh > > > On Apr 2, 2014, at 11:14 AM, Maynard Johnson <mayna...@us.ibm.com> wrote: > >> On 04/01/2014 04:02 PM, Binh Pham wrote: >>> Hi all, >>> Sorry if this is a basic question (I searched in the list and don’t seem to >>> find a hit). >>> Has anyone had experience with using libpfm for Java applications as all >>> examples in the perf_examples folder are in C? I would appreciate if >>> someone can give me some pointer about that. >>> >>> Another approach I am thinking of is using a system wide monitoring like >>> oprofile, and I went across pfmon but looks like it hasn’t been updated for >>> long, and the most recent kernel that it supports is 2.6.x, which is really >>> old. >> Hi, Binh, >> The oprofile project has included the "operf" tool since the August 2012 >> release. This tool is capable of profiling either system-wide or >> per-process, and has the Java JIT support you are apparently aware of >> already. If you build oprofile yourself, then getting the Java JIT support >> built and set up right does take a few extra steps (which are documented in >> Chapter 1, sections 5 and 7 of >> http://oprofile.sourceforge.net/doc/index.html). If the Linux distro you're >> running on is new enough to have oprofile 0.9.8 or newer, then it would be >> easier to install the distro-provided oprofile. Be aware that most distros >> have a separate package for installing the oprofile Java agent libraries, >> which are needed for the JIT support. Package names vary between distros, >> so just search for all packages related to oprofile. >> >> If you have questions about oprofile, feel free to post them to the oprofile >> mailing list (https://lists.sourceforge.net/lists/listinfo/oprofile-list). >> >> -Maynard >>> Thanks in advance for your help, >>> Binh >>> ------------------------------------------------------------------------------ >>> _______________________________________________ >>> perfmon2-devel mailing list >>> perfmon2-devel@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/perfmon2-devel >>> > > ------------------------------------------------------------------------------ > _______________________________________________ > perfmon2-devel mailing list > perfmon2-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/perfmon2-devel ------------------------------------------------------------------------------ _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
