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qemu / qemu / c9f711a5d31e22dac932c1c01e9c0f97caff0988
commitc9f711a5d31e22dac932c1c01e9c0f97caff0988[log] [tgz]
authorJan Kiszka <jan.kiszka@siemens.com>Mon Aug 22 17:46:02 2011 +0200
committerAnthony Liguori <aliguori@us.ibm.com>Mon Aug 22 14:37:02 2011 -0500
tree1d7b980c02326f221d70778ca1e7798e66439d24
parent200668ba0839e664f0e4d0bcdc55ab5a163a418a [diff]
Poll main loop after I/O events were received

Polling until select returns empty fdsets helps to reduce the switches
between iothread and vcpus. The benefit of this patch is best visible
when running an SMP guest on an SMP host in emulation mode.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2 files changed
tree: 1d7b980c02326f221d70778ca1e7798e66439d24
  1. audio/
  2. block/
  3. bsd-user/
  4. darwin-user/
  5. default-configs/
  6. docs/
  7. fpu/
  8. fsdev/
  9. gdb-xml/
  10. hw/
  11. libcacard/
  12. linux-headers/
  13. linux-user/
  14. net/
  15. pc-bios/
  16. qapi/
  17. qga/
  18. QMP/
  19. roms/
  20. scripts/
  21. slirp/
  22. sysconfigs/
  23. target-alpha/
  24. target-arm/
  25. target-cris/
  26. target-i386/
  27. target-lm32/
  28. target-m68k/
  29. target-microblaze/
  30. target-mips/
  31. target-ppc/
  32. target-s390x/
  33. target-sh4/
  34. target-sparc/
  35. target-unicore32/
  36. tcg/
  37. tests/
  38. ui/
  39. .gitignore
  40. .gitmodules
  41. a.out.h
  42. acl.c
  43. acl.h
  44. aes.c
  45. aes.h
  46. aio.c
  47. alpha-dis.c
  48. alpha.ld
  49. arch_init.c
  50. arch_init.h
  51. arm-dis.c
  52. arm-semi.c
  53. arm.ld
  54. async.c
  55. balloon.c
  56. balloon.h
  57. bitmap.c
  58. bitmap.h
  59. bitops.c
  60. bitops.h
  61. block-migration.c
  62. block-migration.h
  63. block.c
  64. block.h
  65. block_int.h
  66. blockdev.c
  67. blockdev.h
  68. bswap.h
  69. bt-host.c
  70. bt-host.h
  71. bt-vhci.c
  72. buffered_file.c
  73. buffered_file.h
  74. cache-utils.c
  75. cache-utils.h
  76. Changelog
  77. check-qdict.c
  78. check-qfloat.c
  79. check-qint.c
  80. check-qjson.c
  81. check-qlist.c
  82. check-qstring.c
  83. cmd.c
  84. cmd.h
  85. CODING_STYLE
  86. compatfd.c
  87. compatfd.h
  88. compiler.h
  89. config.h
  90. configure
  91. console.c
  92. console.h
  93. COPYING
  94. COPYING.LIB
  95. coroutine-gthread.c
  96. coroutine-ucontext.c
  97. coroutine-win32.c
  98. cpu-all.h
  99. cpu-common.h
  100. cpu-defs.h
  101. cpu-exec.c
  102. cpus.c
  103. cpus.h
  104. cris-dis.c
  105. cursor.c
  106. cursor_hidden.xpm
  107. cursor_left_ptr.xpm
  108. cutils.c
  109. def-helper.h
  110. device_tree.c
  111. device_tree.h
  112. dis-asm.h
  113. disas.c
  114. disas.h
  115. dma-helpers.c
  116. dma.h
  117. dyngen-exec.h
  118. elf.h
  119. envlist.c
  120. envlist.h
  121. error.c
  122. error.h
  123. error_int.h
  124. exec-all.h
  125. exec-memory.h
  126. exec.c
  127. gdbstub.c
  128. gdbstub.h
  129. gen-icount.h
  130. HACKING
  131. hmp-commands.hx
  132. host-utils.c
  133. host-utils.h
  134. hpet.h
  135. hppa-dis.c
  136. hppa.ld
  137. i386-dis.c
  138. i386.ld
  139. ia64-dis.c
  140. ia64.ld
  141. input.c
  142. iohandler.c
  143. ioport-user.c
  144. ioport.c
  145. ioport.h
  146. iorange.h
  147. iov.c
  148. iov.h
  149. json-lexer.c
  150. json-lexer.h
  151. json-parser.c
  152. json-parser.h
  153. json-streamer.c
  154. json-streamer.h
  155. kvm-all.c
  156. kvm-stub.c
  157. kvm.h
  158. libfdt_env.h
  159. LICENSE
  160. linux-aio.c
  161. m68k-dis.c
  162. m68k-semi.c
  163. m68k.ld
  164. MAINTAINERS
  165. Makefile
  166. Makefile.dis
  167. Makefile.hw
  168. Makefile.objs
  169. Makefile.target
  170. Makefile.user
  171. memory.c
  172. memory.h
  173. microblaze-dis.c
  174. migration-exec.c
  175. migration-fd.c
  176. migration-tcp.c
  177. migration-unix.c
  178. migration.c
  179. migration.h
  180. mips-dis.c
  181. mips.ld
  182. module.c
  183. module.h
  184. monitor.c
  185. monitor.h
  186. nbd.c
  187. nbd.h
  188. net.c
  189. net.h
  190. notify.c
  191. notify.h
  192. os-posix.c
  193. os-win32.c
  194. osdep.c
  195. osdep.h
  196. oslib-posix.c
  197. oslib-win32.c
  198. path.c
  199. pci-ids.txt
  200. pflib.c
  201. pflib.h
  202. poison.h
  203. posix-aio-compat.c
  204. ppc-dis.c
  205. ppc.ld
  206. ppc64.ld
  207. qapi-schema-guest.json
  208. qapi-schema-test.json
  209. qbool.c
  210. qbool.h
  211. qdict-test-data.txt
  212. qdict.c
  213. qdict.h
  214. qemu-aio.h
  215. qemu-barrier.h
  216. qemu-char.c
  217. qemu-char.h
  218. qemu-common.h
  219. qemu-config.c
  220. qemu-config.h
  221. qemu-coroutine-int.h
  222. qemu-coroutine-lock.c
  223. qemu-coroutine.c
  224. qemu-coroutine.h
  225. qemu-doc.texi
  226. qemu-error.c
  227. qemu-error.h
  228. qemu-ga.c
  229. qemu-img-cmds.hx
  230. qemu-img.c
  231. qemu-img.texi
  232. qemu-io.c
  233. qemu-lock.h
  234. qemu-log.h
  235. qemu-nbd.c
  236. qemu-nbd.texi
  237. qemu-objects.h
  238. qemu-option.c
  239. qemu-option.h
  240. qemu-options.h
  241. qemu-options.hx
  242. qemu-os-posix.h
  243. qemu-os-win32.h
  244. qemu-progress.c
  245. qemu-queue.h
  246. qemu-sockets.c
  247. qemu-tech.texi
  248. qemu-thread-posix.c
  249. qemu-thread-posix.h
  250. qemu-thread-win32.c
  251. qemu-thread-win32.h
  252. qemu-thread.h
  253. qemu-timer-common.c
  254. qemu-timer.c
  255. qemu-timer.h
  256. qemu-tool.c
  257. qemu-x509.h
  258. qemu.sasl
  259. qemu_socket.h
  260. qerror.c
  261. qerror.h
  262. qfloat.c
  263. qfloat.h
  264. qint.c
  265. qint.h
  266. qjson.c
  267. qjson.h
  268. qlist.c
  269. qlist.h
  270. qmp-commands.hx
  271. qobject.h
  272. qstring.c
  273. qstring.h
  274. range.h
  275. readline.c
  276. readline.h
  277. README
  278. rules.mak
  279. rwhandler.c
  280. rwhandler.h
  281. s390-dis.c
  282. s390.ld
  283. savevm.c
  284. sh4-dis.c
  285. simpletrace.c
  286. simpletrace.h
  287. softmmu-semi.h
  288. softmmu_defs.h
  289. softmmu_exec.h
  290. softmmu_header.h
  291. softmmu_template.h
  292. sparc-dis.c
  293. sparc.ld
  294. sparc64.ld
  295. spice-qemu-char.c
  296. sysemu.h
  297. targphys.h
  298. tcg-runtime.c
  299. test-coroutine.c
  300. test-qmp-commands.c
  301. test-visitor.c
  302. thunk.c
  303. thunk.h
  304. TODO
  305. trace-events
  306. translate-all.c
  307. uboot_image.h
  308. usb-bsd.c
  309. usb-linux.c
  310. usb-redir.c
  311. usb-stub.c
  312. user-exec.c
  313. VERSION
  314. version.rc
  315. vgafont.h
  316. vl.c
  317. x86_64.ld
  318. xen-all.c
  319. xen-mapcache.c
  320. xen-mapcache.h
  321. xen-stub.c