Am 14.03.2012 10:42, schrieb Stefan Hajnoczi: > On Tue, Mar 13, 2012 at 1:17 PM, Gerd Hoffmann <kra...@redhat.com> wrote: >> Hi, >> >>> If you want to do it as part of the QEMU codebase then a thread is >>> probably the best way - it avoids the troubles of forking a >>> multithreaded program and letting go of resources (guest memory, file >>> descriptors) that aren't needed across fork. >> >> That pretty much requires async monitor command support though, so the >> iothread can continue driving guest i/o while the new worker thread >> scales/compresses/writes the screendump. > > The most practical first step would be simply sending the ppm over a > socket from ppm_save(). The 'screendump' command today already blocks > so no new badness is being added. There would be no threads or fancy > image encoding.
Saving PNGs would be useful even without a management tool. Kevin
