Re: Announcement: Release Candidate 1 for OProfile 1.0.0

On 08/15/2014 11:54 AM, Maynard Johnson wrote:
> We are pleased to announce OProfile 1.0.0 Release Candidate 1.  You can download this release at:
> 	http://sourceforge.net/projects/oprofile/files/oprofile/oprofile-1.0.0-rc1/
> 
> Please download and test this release candidate, and send your feedback by replying to this message.  Please include your hardware platform and Linux distribution information in your reply.
> 
> Thanks.
> -Maynard Johnson

Hi,

Anyone feeling adventurous on Fedora 20 can give the following koji build of oprofile-1.0.0-rc1 a try:

http://koji.fedoraproject.org/koji/taskinfo?taskID=7413021

I also ran coverity on the same source rpm and the results looked good:

Error: CHECKED_RETURN:
/builddir/build/BUILD/oprofile-1.0.0-rc1/libperf_events/operf_counter.cpp:66: check_return: "read(int, void *, size_t)" returns the number of bytes read, but it is ignored.
/builddir/build/BUILD/oprofile-1.0.0-rc1/libperf_events/operf_counter.cpp:66: cond_true: Condition "read(fd, &msg, 4UL /* sizeof (msg) */) > 0", taking true branch

Error: DEADCODE:
/builddir/build/BUILD/oprofile-1.0.0-rc1/libpp/image_errors.cpp:68: dead_error_condition: The switch value "error" cannot be "0".
/builddir/build/BUILD/oprofile-1.0.0-rc1/libpp/image_errors.cpp:68: dead_error_begin: Execution cannot reach this statement "case 0:".

Error: STREAM_FORMAT_STATE:
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:236: cond_false: Condition "!options::show_header", taking false branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:237: if_end: End of if statement
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:239: cond_true: Condition "indent", taking true branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:244: cond_true: Condition "i < classes.v.size()", taking true branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:246: cond_true: Condition "name.length() > colwidth", taking true branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:251: format_changed: "setf" changes the format state of "std::cout" for category adjustfield.
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:255: loop: Jumping back to the beginning of the loop
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:244: loop_begin: Jumped back to beginning of loop
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:244: cond_false: Condition "i < classes.v.size()", taking false branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:255: loop_end: Reached end of loop
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:258: cond_true: Condition "indent", taking true branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:261: cond_false: Condition "i < classes.v.size()", taking false branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:267: loop_end: Reached end of loop
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:271: cond_true: Condition "indent", taking true branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:274: cond_false: Condition "i < classes.v.size()", taking false branch
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:278: loop_end: Reached end of loop
/builddir/build/BUILD/oprofile-1.0.0-rc1/pp/opreport.cpp:281: end_of_path: Changing format state of stream "std::cout" for category adjustfield without later restoring it.


-Will


> 
> -----------------------------------------------------------------
> 
> Release Notes
> ===============
> OProfile 1.0.0 Release Candidate 1 has been released. A major change in
> this release is the removal of the legacy opcontrol-based profiler.
> This legacy profiling tool has been deprecated since release 0.9.8 when
> operf was first introduced. The following components and processor
> types that were dependent on opcontrol have also been removed:
> 
>    - GUI component (i.e., oprof_start)
>    - IBS events removed from AMD processors
>    - All Alpha processors, except for EV67 (which *is* supported by operf/ocount)
>    - Architecture avr32
>    - Architecture ia64
>    - Processor model IBM Cell
>    - Processor model P.A. Semi PA6T
>    - RTC (real time clock mode)
> 
> OProfile users still running on any of these affected systems or
> needing any of the removed components listed above should not upgrade
> to OProfile release 1.0. Alternatively, you can obtain all of the new
> features, enhancements, and bug fixes described below and still have
> access to opcontrol, by doing the following:
> 
> 	git clone git://git.code.sf.net/p/oprofile/oprofile oprofile
> 	cd oprofile
> 	git checkout PRE_RELEASE_1_0
> 
> and then build/install as usual.
> 
> More information about OProfile can be seen at
>     http://oprofile.sf.net
> 
> 
> Incompatibilities with previous release
> ---------------------------------------
> 
> - Sample data collected with previous releases of OProfile are incompatible
>   with release 1.0.
> - ophelp schema: Major version changed for removal of unit mask 'extra'
>   attribute and addition of unit mask 'name'.
> 
> 
> New features
> ------------
> 
> - Enhance ocount to support millisecond time intervals
> - Obtain kernel symbols from /proc/kallsyms if no vmlinux file specified
> 
> - New/updated Processor Support
>     * (New) Freescale e6500 
>     * (New) Freescale e500mc
>     * (New) Intel Silvermont
>     * (New) ARM ARMv7 Krait
>     * (New) ARM ARMv8 (AArch64)
>     * (New) Intel Broadwell
>     * (New) ARM Cortex A57
>     * (New) ARM Cortex A53
>     * Added little endian support for IBM POWER8
>     * Update events for IBM POWER8
>     * Added edge-detect events for IBM POWER7
>     * Update events for Intel Haswell
> 
> 
> Bug fixes
> ---------
> 
> Filed bug reports:
> -------------------------------------------------------------------------
> |  BUG ID   |  Summary 
> |-----------|------------------------------------------------------------
> |   236     | opreport schema: Fix count field maxOccurs (changed to
> |           | 'unbounded')
> |   245     | Fix compile error on ppc/uClibc platform: 'AT_BASE_PLATFORM'
> |           | undeclared'
> |   248     | Duplicate event specs passed to ocount show up twice in
> |           | output
> |   252     | Fix operf/ocount default unit mask selection
> |   253     | ocount: print the unit mask, kernel and user modes if
> |           | specified for the event
> |   254     | ophelp schema is not included in installed files
> |   255     | Remove unused 'extra' attribute from ophelp schema
> |   256     | opreport from 'operf --callgraph' profile shows false
> |           | recursive calls
> |   257     | Fix handling of default named unit masks longer than 11 chars
> |   259     | Print unit mask name where applicable in ophelp XML output
> |   260     | Fix profiling of multi-threaded apps when using "--pid"
> |           | option
> |   262     | Fix operf/opreport kernel throttling detection
> |   263     | Fix sample attribution problem when using multiple events
> |   266     | exclude/include files option doesn't work for opannotate -a
> -------------------------------------------------------------------------
> 
> Other bug fixes and improvements without a filed report (e.g., posted to the list):
> ---------------
>    - Update Alpha EV67 CPU support and remove all other Alpha CPU support
>    - operf main process improperly killing conversion process
>    - Fix up S390 support to work with operf/ocount
>    - Link ocount with librt for clock_gettime only when needed
>    - Fix 'Invalid argument' running 'opcontrol --start --callgraph=<n>' in
>      Timer mode
>    - Make sure hypervisor is excluded from ocount and operf
>    - operf log may over-report "sample address not in expected range for
>      domain"
>    - Allow root to remove old jitdump files from /tmp/.oprofile/jitdump
>    - Remove opreport warnings for /no-vmlinux, [vdso], [hypervisor_bucket]
>      not found
>    - Fix event codes for marked architected events (IBM ppc64)
>    - Make operf/ocount detect invalid timer mode from opcontrol
>    - Reduce overhead of operf waiting for profiled app to end
>    - Fix "Unable to open cpu_type file for reading" for IBM POWER7+
>    - Allow all native events for IBM POWER8 in POWER7 compat mode
>    - Fix spurious "backtraces skipped due to no file mapping" log entries
>    - Fix the units for the reported CPU frequency
> 
> 
> Known problems and limitations
> -------------------------
> - When using operf to profile multiple events, the absolute number of
>   events recorded may be substantially fewer than expected. This can be
>   due to knwon bug in the Linux kernel's Performance Events Subsystem that
>   was fixed sometime between Linux kernel version 3.1 and 3.5.
> 
> 
> ------------------------------------------------------------------------------
> _______________________________________________
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> [email protected]
> https://lists.sourceforge.net/lists/listinfo/oprofile-list
> 


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