migration-stress/guestperf/engine.py

82         info = vm.cmd("query-migrate")
96                 info["ram"].get("normal-bytes", 0),
97                 info["ram"].get("dirty-pages-rate", 0),
99                 info["ram"].get("dirty-sync-count", 0)
102             info.get("total-time", 0),
104             info.get("expected-downtime", 0),
105             info.get("setup-time", 0),
106             info.get("cpu-throttle-percentage", 0),
107             info.get("dirty-limit-throttle-time-per-round", 0),
108             info.get("dirty-limit-ring-full-time", 0),
117         vcpus = src.cmd("query-cpus-fast")
120             src_threads.append(vcpu["thread-id"])
131             sleep_secs -= 1
136             resp = src.cmd("migrate-set-capabilities",
138                                { "capability": "auto-converge",
141             resp = src.cmd("migrate-set-parameters",
145             resp = src.cmd("migrate-set-capabilities",
147                                { "capability": "postcopy-ram",
150             resp = dst.cmd("migrate-set-capabilities",
152                                { "capability": "postcopy-ram",
156         resp = src.cmd("migrate-set-parameters",
159         resp = src.cmd("migrate-set-parameters",
163             resp = src.cmd("migrate-set-capabilities",
168             resp = src.cmd("migrate-set-parameters",
170             resp = dst.cmd("migrate-set-capabilities",
175             resp = dst.cmd("migrate-set-parameters",
179             resp = src.cmd("migrate-set-capabilities",
184             resp = dst.cmd("migrate-set-capabilities",
189             resp = src.cmd("migrate-set-parameters",
202             resp = src.cmd("migrate-set-capabilities",
207             resp = src.cmd("migrate-set-parameters",
209             resp = dst.cmd("migrate-set-capabilities",
214             resp = dst.cmd("migrate-set-parameters",
218                 resp = src.cmd("migrate-set-parameters",
220                 resp = dst.cmd("migrate-set-parameters",
228             resp = src.cmd("migrate-set-capabilities",
230                                { "capability": "dirty-limit",
233             resp = src.cmd("migrate-set-parameters",
235             resp = src.cmd("migrate-set-parameters",
239             resp = dst.cmd("migrate-incoming", uri=connect_uri)
259                 (progress_history[-1]._ram._iterations <
266                 if progress_history[-1] != progress:
277                         sleep_secs -= 1
310                     print("Switching to post-copy after %d iterations" % scenario._post_copy_iters)
311                 resp = src.cmd("migrate-start-postcopy")
336             return ["-chardev", "stdio,id=cdev0",
337                     "-device", "spapr-vty,chardev=cdev0"]
339             return ["-chardev", "stdio,id=cdev0",
340                     "-device", "isa-serial,chardev=cdev0"]
347             "noreplace-smp",
366             "-cpu", "host",
367             "-kernel", self._kernel,
368             "-initrd", self._initrd,
369             "-append", cmdline,
370             "-m", str((hardware._mem * 1024) + 512),
371             "-smp", str(hardware._cpus),
374             argv.extend(["-accel", "kvm,dirty-ring-size=%s" %
377             argv.extend(["-accel", "kvm"])
382             argv.extend(["-machine", "graphics=off"])
385             argv_source += ["-mem-path", "/dev/shm",
386                             "-mem-prealloc"]
388             argv_source += ["-overcommit", "mem-lock=on"]
404             return argv + ["-incoming", "defer"]
405         return argv + ["-incoming", uri]
413                 wrapper.append("--physcpubind=%s" % ",".join(cpu_bind))
415                 wrapper.append("--membind=%s" % ",".join(mem_bind))
426                     "-R", "9001:localhost:9001",
459                 raise Exception("Running use unix migration transport for non-local host")
460             uri = "unix:/var/tmp/qemu-migrate-%d.migrate" % os.getpid()
473             dstmonaddr = "/var/tmp/qemu-dst-%d-monitor.sock" % os.getpid()
474         srcmonaddr = "/var/tmp/qemu-src-%d-monitor.sock" % os.getpid()
479                           name="qemu-src-%d" % os.getpid(),
485                           name="qemu-dst-%d" % os.getpid(),