set migration max downtime

provide a monitor command to allow one to set the maximum
downtime he is willing to suffer during migration, in seconds.
"ms", "us", "ns" and "s" are accepted as modifiers.

This parameter will be used by ram_save_live() code to determine
a safe moment to enter stage 3

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
3 files changed
tree: ab7d8d1de8a9e9775153d5d0ad9df98c6ce67932
  1. audio/
  2. block/
  3. bsd-user/
  4. darwin-user/
  5. fpu/
  6. gdb-xml/
  7. hw/
  8. linux-user/
  9. pc-bios/
  10. slirp/
  11. target-alpha/
  12. target-arm/
  13. target-cris/
  14. target-i386/
  15. target-m68k/
  16. target-microblaze/
  17. target-mips/
  18. target-ppc/
  19. target-sh4/
  20. target-sparc/
  21. tcg/
  22. tests/
  23. .gitignore
  24. a.out.h
  25. acl.c
  26. acl.h
  27. aes.c
  28. aes.h
  29. aio.c
  30. alpha-dis.c
  31. alpha.ld
  32. arm-dis.c
  33. arm-semi.c
  34. arm.ld
  35. balloon.h
  36. block.c
  37. block.h
  38. block_int.h
  39. bswap.h
  40. bt-host.c
  41. bt-host.h
  42. bt-vhci.c
  43. buffered_file.c
  44. buffered_file.h
  45. cache-utils.c
  46. cache-utils.h
  47. Changelog
  48. cmd.c
  49. cmd.h
  50. cocoa.m
  51. CODING_STYLE
  52. configure
  53. console.c
  54. console.h
  55. COPYING
  56. COPYING.LIB
  57. cpu-all.h
  58. cpu-common.h
  59. cpu-defs.h
  60. cpu-exec.c
  61. cris-dis.c
  62. curses.c
  63. curses_keys.h
  64. cutils.c
  65. d3des.c
  66. d3des.h
  67. def-helper.h
  68. device_tree.c
  69. device_tree.h
  70. dis-asm.h
  71. disas.c
  72. disas.h
  73. dma-helpers.c
  74. dma.h
  75. dyngen-exec.h
  76. elf.h
  77. elf_ops.h
  78. exec-all.h
  79. exec.c
  80. feature_to_c.sh
  81. gdbstub.c
  82. gdbstub.h
  83. gen-icount.h
  84. host-utils.c
  85. host-utils.h
  86. hostregs_helper.h
  87. hpet.h
  88. hppa-dis.c
  89. hppa.ld
  90. hxtool
  91. i386-dis.c
  92. i386.ld
  93. ia64.ld
  94. keymaps.c
  95. keymaps.h
  96. kqemu.c
  97. kqemu.h
  98. kvm-all.c
  99. kvm.h
  100. libfdt_env.h
  101. LICENSE
  102. loader.c
  103. m68k-dis.c
  104. m68k-semi.c
  105. m68k.ld
  106. MAINTAINERS
  107. Makefile
  108. Makefile.hw
  109. Makefile.target
  110. microblaze-dis.c
  111. migration-exec.c
  112. migration-tcp.c
  113. migration.c
  114. migration.h
  115. mips-dis.c
  116. mips.ld
  117. mipsel.ld
  118. module.c
  119. module.h
  120. monitor.c
  121. monitor.h
  122. nbd.c
  123. nbd.h
  124. net-checksum.c
  125. net.c
  126. net.h
  127. osdep.c
  128. osdep.h
  129. pci-ids.txt
  130. posix-aio-compat.c
  131. posix-aio-compat.h
  132. ppc-dis.c
  133. ppc.ld
  134. ppc64.ld
  135. qemu-aio.h
  136. qemu-binfmt-conf.sh
  137. qemu-char.c
  138. qemu-char.h
  139. qemu-common.h
  140. qemu-doc.texi
  141. qemu-img-cmds.hx
  142. qemu-img.c
  143. qemu-img.texi
  144. qemu-io.c
  145. qemu-lock.h
  146. qemu-log.h
  147. qemu-malloc.c
  148. qemu-monitor.hx
  149. qemu-nbd.c
  150. qemu-nbd.texi
  151. qemu-option.c
  152. qemu-option.h
  153. qemu-options.hx
  154. qemu-sockets.c
  155. qemu-tech.texi
  156. qemu-thread.c
  157. qemu-thread.h
  158. qemu-timer.h
  159. qemu-tool.c
  160. qemu.sasl
  161. qemu_socket.h
  162. readline.c
  163. readline.h
  164. README
  165. rules.mak
  166. s390-dis.c
  167. s390.ld
  168. savevm.c
  169. sdl.c
  170. sdl_keysym.h
  171. sh4-dis.c
  172. softmmu-semi.h
  173. softmmu_defs.h
  174. softmmu_exec.h
  175. softmmu_header.h
  176. softmmu_template.h
  177. sparc-dis.c
  178. sparc.ld
  179. sparc64.ld
  180. sys-queue.h
  181. sysemu.h
  182. tap-win32.c
  183. targphys.h
  184. texi2pod.pl
  185. thunk.c
  186. thunk.h
  187. TODO
  188. tool-osdep.c
  189. translate-all.c
  190. uboot_image.h
  191. usb-bsd.c
  192. usb-linux.c
  193. usb-stub.c
  194. VERSION
  195. vgafont.h
  196. vl.c
  197. vnc-auth-sasl.c
  198. vnc-auth-sasl.h
  199. vnc-auth-vencrypt.c
  200. vnc-auth-vencrypt.h
  201. vnc-tls.c
  202. vnc-tls.h
  203. vnc.c
  204. vnc.h
  205. vnc_keysym.h
  206. vnchextile.h
  207. x86_64.ld
  208. x_keymap.c
  209. x_keymap.h