[Mono-dev] Running --profiler=log:coverage
Antoine Cailliau
antoinecailliau at gmail.com
Thu Mar 3 16:22:34 UTC 2016
Great.
Let me know if you need something or if I can help.
Antoine
On 3 March 2016 at 17:10, Iain Holmes <iain.holmes at xamarin.com> wrote:
> Hi,
>
> Yes, I’ll have a look into it now.
>
> iain
>
> > On 3 Mar 2016, at 2:44 pm, Alex Rønne Petersen <alex at alexrp.com> wrote:
> >
> > Hi,
> >
> > The "time went backwards" message is harmless and has been removed in
> > later Mono versions.
> >
> > Could you have a look at the crash, Iain? (cc)
> >
> > On Thu, Mar 3, 2016 at 2:00 PM, Antoine Cailliau
> > <antoinecailliau at gmail.com> wrote:
> >> Hello,
> >>
> >> I'm trying to measure the code coverage of a test suite. I noticed that
> >> recently (Apr'15) cov and monocov were removed for log:coverage
> profiler.
> >>
> >> When I'm running that profile on my tests using nunit-console. I got a
> >> segmentation fault, see below. When using mprof-report, I do not get the
> >> section related to code coverage.
> >>
> >> What I use to run the tests :
> >> $ MONO_OPTIONS="--profile=log:coverage,covfilter=+MinePumpSystem.Test"
> >> nunit-console MinePumpSystem.Test.dll
> >>
> >> Plus, it is displaying "time went backwards" a lot.
> >>
> >> Anyone with any tips on how I could get this to work is welcome :-)
> >>
> >> Regards,
> >>
> >> Antoine
> >>
> >> -- The trace :
> >>
> >> tacktrace:
> >>
> >>
> >> Native stacktrace:
> >>
> >>
> >> Debug info from gdb:
> >>
> >> (lldb) command source -s 0 '/tmp/mono-gdb-commands.2cpqir'
> >> Executing commands in '/tmp/mono-gdb-commands.2cpqir'.
> >> (lldb) process attach --pid 47647
> >> warning: (i386)
> >>
> /Library/Frameworks/Mono.framework/Versions/4.2.2/lib/mono/4.5/mscorlib.dll.dylib
> >> empty dSYM file detected, dSYM was created with an executable with no
> debug
> >> info.
> >> Process 47647 stopped
> >> * thread #1: tid = 0x109c479, 0x92bb6d06 libsystem_kernel.dylib`__wait4
> +
> >> 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
> >> frame #0: 0x92bb6d06 libsystem_kernel.dylib`__wait4 + 10
> >> libsystem_kernel.dylib`__wait4:
> >> -> 0x92bb6d06 <+10>: jae 0x92bb6d16 ; <+26>
> >> 0x92bb6d08 <+12>: calll 0x92bb6d0d ; <+17>
> >> 0x92bb6d0d <+17>: popl %edx
> >> 0x92bb6d0e <+18>: movl 0x104be317(%edx), %edx
> >>
> >> Executable module set to
> >> "/Library/Frameworks/Mono.framework/Versions/4.2.2/bin/mono".
> >> Architecture set to: i386-apple-macosx.
> >> (lldb) thread list
> >> Process 47647 stopped
> >> * thread #1: tid = 0x109c479, 0x92bb6d06 libsystem_kernel.dylib`__wait4
> +
> >> 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
> >> thread #2: tid = 0x109c47a, 0x92bb6402
> >> libsystem_kernel.dylib`__psynch_cvwait + 10
> >> thread #3: tid = 0x109c47b, 0x92baf886
> >> libsystem_kernel.dylib`semaphore_wait_trap + 10
> >> thread #4: tid = 0x109c47c, 0x92bb6d76
> >> libsystem_kernel.dylib`__workq_kernreturn + 10
> >> thread #5: tid = 0x109c47d, 0x92bb7812
> libsystem_kernel.dylib`kevent_qos +
> >> 10, queue = 'com.apple.libdispatch-manager'
> >> thread #6: tid = 0x109c47e, 0x0027008d mono`mono_hazard_pointer_get +
> 13
> >> at hazard-pointer.c:176
> >> thread #7: tid = 0x109c482, 0x92bb6d76
> >> libsystem_kernel.dylib`__workq_kernreturn + 10
> >> thread #8: tid = 0x109c484, 0x92bb6d76
> >> libsystem_kernel.dylib`__workq_kernreturn + 10
> >> (lldb) thread backtrace all
> >> mono was compiled with optimization - stepping may behave oddly;
> variables
> >> may not be available.
> >> * thread #1: tid = 0x109c479, 0x92bb6d06 libsystem_kernel.dylib`__wait4
> +
> >> 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
> >> * frame #0: 0x92bb6d06 libsystem_kernel.dylib`__wait4 + 10
> >> frame #1: 0x969f07dc libsystem_c.dylib`waitpid$UNIX2003 + 48
> >> frame #2: 0x000d7f2d mono`mono_handle_native_sigsegv(signal=11,
> >> ctx=0x007abfe0, info=0x007abfa0) + 541 at mini-exceptions.c:2193 [opt]
> >> frame #3: 0x00124482
> >> mono`mono_arch_handle_altstack_exception(sigctx=<unavailable>,
> >> siginfo=<unavailable>, fault_addr=<unavailable>, stack_ovf=0) + 162 at
> >> exceptions-x86.c:1097 [opt]
> >> frame #4: 0x0002540e
> >> mono`mono_sigsegv_signal_handler(_dummy=<unavailable>,
> _info=<unavailable>,
> >> context=<unavailable>) + 446 at mini-runtime.c:2471 [opt]
> >> frame #5: 0x9aad301b libsystem_platform.dylib`_sigtramp + 43
> >> frame #6: 0x96973051 libsystem_c.dylib`strlen + 17
> >> frame #7: 0x00690b48
> >> libmono-profiler-log.0.dylib`build_assembly_buffer(key=0x79962860,
> >> value=0x79962860, userdata=<unavailable>) + 216 at proflog.c:3514 [opt]
> >> frame #8: 0x00277150
> >> mono`mono_conc_hashtable_foreach(hash_table=<unavailable>,
> >> func=<unavailable>, userdata=<unavailable>) + 80 at
> >> mono-conc-hashtable.c:365 [opt]
> >> frame #9: 0x0068520a libmono-profiler-log.0.dylib`log_shutdown
> [inlined]
> >> dump_coverage(prof=0x79960ba0) + 92 at proflog.c:3544 [opt]
> >> frame #10: 0x006851ae
> >> libmono-profiler-log.0.dylib`log_shutdown(prof=0x79960ba0) + 46 at
> >> proflog.c:3851 [opt]
> >> frame #11: 0x001b7262 mono`mono_profiler_shutdown + 50 at
> profiler.c:813
> >> [opt]
> >> frame #12: 0x0002861a mono`mini_cleanup(domain=0x79863ce0) + 778 at
> >> mini-runtime.c:3455 [opt]
> >> frame #13: 0x000a2f61 mono`mono_main(argc=<unavailable>,
> >> argv=<unavailable>) + 8001 at driver.c:2083 [opt]
> >> frame #14: 0x0001ab50 mono`main [inlined]
> >> mono_main_with_options(argc=<unavailable>, argv=<unavailable>) + 768 at
> >> main.c:94 [opt]
> >> frame #15: 0x0001a86d mono`main(argc=<unavailable>,
> argv=<unavailable>)
> >> + 29 at main.c:125 [opt]
> >> frame #16: 0x0001a845 mono`start + 53
> >>
> >> thread #2: tid = 0x109c47a, 0x92bb6402
> >> libsystem_kernel.dylib`__psynch_cvwait + 10
> >> frame #0: 0x92bb6402 libsystem_kernel.dylib`__psynch_cvwait + 10
> >> frame #1: 0x95c80f6b libsystem_pthread.dylib`_pthread_cond_wait + 757
> >> frame #2: 0x95c84cc0
> libsystem_pthread.dylib`pthread_cond_wait$UNIX2003
> >> + 71
> >> frame #3: 0x0024b7e2 mono`thread_func(thread_data=0x00000000) + 466
> at
> >> sgen-thread-pool.c:118 [opt]
> >> frame #4: 0x95c80a26 libsystem_pthread.dylib`_pthread_body + 138
> >> frame #5: 0x95c8099c libsystem_pthread.dylib`_pthread_start + 155
> >> frame #6: 0x95c7df96 libsystem_pthread.dylib`thread_start + 34
> >>
> >> thread #3: tid = 0x109c47b, 0x92baf886
> >> libsystem_kernel.dylib`semaphore_wait_trap + 10
> >> frame #0: 0x92baf886 libsystem_kernel.dylib`semaphore_wait_trap + 10
> >> frame #1: 0x0026e2da mono`mono_sem_wait(sem=0x0034e090, alertable=1)
> +
> >> 26 at mono-semaphore.c:109 [opt]
> >> frame #2: 0x001eb40e mono`finalizer_thread(unused=0x00000000) + 158
> at
> >> gc.c:1096 [opt]
> >> frame #3: 0x001c5451 mono`start_wrapper [inlined]
> start_wrapper_internal
> >> + 516 at threads.c:725 [opt]
> >> frame #4: 0x001c524d mono`start_wrapper(data=<unavailable>) + 29 at
> >> threads.c:772 [opt]
> >> frame #5: 0x00275e70 mono`inner_start_thread(arg=<unavailable>) +
> 240 at
> >> mono-threads-posix.c:97 [opt]
> >> frame #6: 0x95c80a26 libsystem_pthread.dylib`_pthread_body + 138
> >> frame #7: 0x95c8099c libsystem_pthread.dylib`_pthread_start + 155
> >> frame #8: 0x95c7df96 libsystem_pthread.dylib`thread_start + 34
> >>
> >> thread #4: tid = 0x109c47c, 0x92bb6d76
> >> libsystem_kernel.dylib`__workq_kernreturn + 10
> >> frame #0: 0x92bb6d76 libsystem_kernel.dylib`__workq_kernreturn + 10
> >> frame #1: 0x95c8052d libsystem_pthread.dylib`_pthread_wqthread + 1289
> >> frame #2: 0x95c7df72 libsystem_pthread.dylib`start_wqthread + 34
> >>
> >> thread #5: tid = 0x109c47d, 0x92bb7812
> libsystem_kernel.dylib`kevent_qos +
> >> 10, queue = 'com.apple.libdispatch-manager'
> >> frame #0: 0x92bb7812 libsystem_kernel.dylib`kevent_qos + 10
> >> frame #1: 0x9aa4670e libdispatch.dylib`_dispatch_mgr_invoke + 234
> >> frame #2: 0x9aa462e2 libdispatch.dylib`_dispatch_mgr_thread + 52
> >>
> >> thread #6: tid = 0x109c47e, 0x0027008d mono`mono_hazard_pointer_get +
> 13
> >> at hazard-pointer.c:176
> >> frame #0: 0x0027008d mono`mono_hazard_pointer_get + 13 at
> >> hazard-pointer.c:176 [opt]
> >> frame #1: 0x00270afa mono`mono_lock_free_queue_dequeue(q=0x79960bd8)
> +
> >> 26 at lock-free-queue.c:214 [opt]
> >> frame #2: 0x0068e072
> >> libmono-profiler-log.0.dylib`writer_thread(arg=0x00270aee) + 434 at
> >> proflog.c:4164 [opt]
> >> frame #3: 0x95c80a26 libsystem_pthread.dylib`_pthread_body + 138
> >> frame #4: 0x95c8099c libsystem_pthread.dylib`_pthread_start + 155
> >> frame #5: 0x95c7df96 libsystem_pthread.dylib`thread_start + 34
> >>
> >> thread #7: tid = 0x109c482, 0x92bb6d76
> >> libsystem_kernel.dylib`__workq_kernreturn + 10
> >> frame #0: 0x92bb6d76 libsystem_kernel.dylib`__workq_kernreturn + 10
> >> frame #1: 0x95c8052d libsystem_pthread.dylib`_pthread_wqthread + 1289
> >> frame #2: 0x95c7df72 libsystem_pthread.dylib`start_wqthread + 34
> >>
> >> thread #8: tid = 0x109c484, 0x92bb6d76
> >> libsystem_kernel.dylib`__workq_kernreturn + 10
> >> frame #0: 0x92bb6d76 libsystem_kernel.dylib`__workq_kernreturn + 10
> >> frame #1: 0x95c8052d libsystem_pthread.dylib`_pthread_wqthread + 1289
> >> frame #2: 0x95c7df72 libsystem_pthread.dylib`start_wqthread + 34
> >> (lldb) detach
> >>
> >> =================================================================
> >> Got a SIGSEGV while executing native code. This usually indicates
> >> a fatal error in the mono runtime or one of the native libraries
> >> used by your application.
> >> =================================================================
> >>
> >> Process 47647 detached
> >> (lldb) quit
> >> Abort trap: 6
> >>
> >>
> >> _______________________________________________
> >> Mono-devel-list mailing list
> >> Mono-devel-list at lists.ximian.com
> >> http://lists.ximian.com/mailman/listinfo/mono-devel-list
> >>
>
>
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