[libvirt] [PATCH v4 0/2] qemu: add debug-threads support

Cole Robinson crobinso at redhat.com
Thu Mar 10 21:05:32 UTC 2016


On 03/10/2016 02:46 PM, Marc-André Lureau wrote:
> QEMU (somewhere around 2.0) added a new sub-option to the -name flag
> -name debug-threads=on
> 
> This causes the naming of individual QEMU threads to be helpful; e.g.
>  'CPU/KVM 0' or 'migration' these show up in top once the H key is
>  pressed, and also show up in a core dump, making it easy to figure
>  out which thread is which.
> 
> The following 2 patches add a capability check and enable
> debug-threads if supported.
> 
> Related to:
> https://bugzilla.redhat.com/show_bug.cgi?id=1140121
> 
> cheers
> 
> v3->v4:
> - simplify a bit command generation
> - added a test
> 
> v2->v3:
> - move -name command generation in seperate function
> - fix syntax-check
> - fix leak
> 
> v1->v2:
> - drop the configuration, enable debug-thread automatically
> 
> Marc-André Lureau (2):
>   qemu: check for debug-threads capability
>   qemu: enable debug threads
> 
>  src/qemu/qemu_capabilities.c                       |  2 ++
>  src/qemu/qemu_capabilities.h                       |  1 +
>  src/qemu/qemu_command.c                            | 34 +++++++++++++++++-----
>  tests/qemucapabilitiesdata/caps_2.1.1-1.caps       |  1 +
>  tests/qemucapabilitiesdata/caps_2.4.0-1.caps       |  1 +
>  tests/qemucapabilitiesdata/caps_2.5.0-1.caps       |  1 +
>  tests/qemucapabilitiesdata/caps_2.6.0-1.caps       |  1 +
>  .../qemuxml2argv-debug-threads.args                | 22 ++++++++++++++
>  .../qemuxml2argv-debug-threads.xml                 | 34 ++++++++++++++++++++++
>  tests/qemuxml2argvtest.c                           |  2 ++
>  10 files changed, 91 insertions(+), 8 deletions(-)
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-debug-threads.args
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-debug-threads.xml
> 

ACK series

- Cole




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