[libvirt] [PATCH v3 0/2] qemu: add debug-threads support
Cole Robinson
crobinso at redhat.com
Thu Mar 10 18:41:55 UTC 2016
On 03/10/2016 01:31 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
>
> 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 | 40 ++++++++++++++++++++++------
> 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 +
> 7 files changed, 39 insertions(+), 8 deletions(-)
>
Also needs a test case for argv generation... qemuxml2argv is the best place
even though it's not XML specific
- Cole
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