Re: [Qemu-devel] Debugging Migration

2015-10-06 Thread Denis V. Lunev
On 10/07/2015 02:02 AM, John Snow wrote: On 10/06/2015 06:40 PM, Denis V. Lunev wrote: On 10/06/2015 09:46 PM, John Snow wrote: Is there a convenient way of "pausing" or stalling a live migration to allow methodical testing of race conditions? I'd like to instrument something along the lines

Re: [Qemu-devel] Debugging Migration

2015-10-06 Thread John Snow
On 10/06/2015 06:40 PM, Denis V. Lunev wrote: > On 10/06/2015 09:46 PM, John Snow wrote: >> Is there a convenient way of "pausing" or stalling a live migration to >> allow methodical testing of race conditions? >> >> I'd like to instrument something along the lines of: >> >> (1) Live migration be

Re: [Qemu-devel] Debugging Migration

2015-10-06 Thread Denis V. Lunev
On 10/06/2015 09:46 PM, John Snow wrote: Is there a convenient way of "pausing" or stalling a live migration to allow methodical testing of race conditions? I'd like to instrument something along the lines of: (1) Live migration begins. (2) migration is artificially halted or paused, but QEMU i

Re: [Qemu-devel] Debugging Migration

2015-10-06 Thread Dr. David Alan Gilbert
* John Snow (js...@redhat.com) wrote: > Is there a convenient way of "pausing" or stalling a live migration to > allow methodical testing of race conditions? > > I'd like to instrument something along the lines of: > > (1) Live migration begins. > (2) migration is artificially halted or paused, b

[Qemu-devel] Debugging Migration

2015-10-06 Thread John Snow
Is there a convenient way of "pausing" or stalling a live migration to allow methodical testing of race conditions? I'd like to instrument something along the lines of: (1) Live migration begins. (2) migration is artificially halted or paused, but QEMU is allowed to run. (3) Some additional qtest