Oprofile Jit Support

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29.8. OProfile Support for Java Red Hat Enterprise Linux 6 ...

    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/s1-oprofile-java-support
    OProfile Support for Java OProfile allows you to profile dynamically compiled code (also known as "just-in-time" or JIT code) of the Java Virtual Machine (JVM). OProfile in Red Hat Enterprise Linux 6 includes built-in support for the JVM Tools Interface (JVMTI) agent library, which supports Java 1.5 and higher.

7. Installation - OProfile

    http://oprofile.sourceforge.net/doc/install.html
    By default, the Oprofile JIT support libraries will be installed in <oprof_install_dir>/lib/oprofile. To build and install OProfile and the JIT support libraries as 64-bit, you can do something like the following: # CFLAGS="-m64" CXXFLAGS="-m64"./configure \ --with-java={my_jdk_installdir} \ --libdir=/usr/local/lib64

20.9. OProfile Support for Java - Fedora Project

    https://docs.fedoraproject.org/en-US/Fedora/24/html/System_Administrators_Guide/s1-oprofile-java-support.html
     OProfile Support for Java OProfile allows you to profile dynamically compiled code (also known as "just-in-time" or JIT code) of the Java Virtual Machine (JVM). OProfile in Fedora 24 includes built-in support for the JVM Tools Interface (JVMTI) agent library, which supports Java 1.5 and higher. 20.9.1.

2. Implementing JIT support for a new virtual machine

    http://oprofile.sourceforge.net/doc/devel/jit-interface.html
    The JIT support API for OProfile is defined in <oprofile-install-dir>/include/opagent.h. Some parts of the API are mandatory for an agent library to use; other …

OProfile / operf jit problem. No anon samples?

    https://sourceforge.net/p/oprofile/mailman/message/32935971/
    The JVM's JIT compiler puts JITed code into anonymous memory mappings. The oprofile JIT support works on the assumption that samples from JITed code will be associated with those anonymous memory mappings.

4. OProfile results with JIT samples

    http://oprofile.sourceforge.net/doc/getting-jit-reports.html
    After profiling a Java (or other supported VM) application, the OProfile JIT support creates ELF binaries from the intermediate files that were written by the agent library. The ELF binaries are named <tgid>.jo. With the symbol information stored in these ELF files, it is possible to map samples to the appropriate symbols.

Profiling output of JIT on Linux with perf_events/oprofile ...

    https://stackoverflow.com/questions/12697028/profiling-output-of-jit-on-linux-with-perf-events-oprofile
    I want to profile code, generated by JIT on Linux, with using hardware performace counters. As I know, most common profilers are oprofile and perf. How can I integrate JIT and oprofile/perf? My JIT is not JAVA which is already supported in oprofile. (perf?) For example we can consider LLVM's JIT. I want to

Chapter 1. Developing a new JIT agent - OProfile

    http://oprofile.sourceforge.net/doc/devel/developing.html
    Implementing JIT support for a new virtual machine OProfile includes a header file and library that are intended to be used by developers who wish to extend OProfile's JIT support to other non-supported …

OProfile / Oprofile JIT Code Proposal - SourceForge

    https://sourceforge.net/p/oprofile/mailman/message/11188239/
    On Fri, May 19, 2006 at 02:00:05PM -0500, Yeh, Jason wrote: > (that is, JIT code has been generated to it). It would start with 00 > and increment up to FF, allowing the address to be reused up to 256 > times.



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