[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v13 00/26] COarse-grain LOck-stepping Virtual Machines for Non-stop Service
This patchset implemented the COLO feature for Xen. For detail/install/use of COLO feature, refer to: http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping You can get the codes from here: https://github.com/Pating/xen/tree/changlox/colo_v13 Changlog from v12 to v13 1. Rebase to the upstream xen 2. Address commnets from Ian and Liu Wei. p7, Add A-B p8, Add A-B p10, Add A-B p11, Add A-B p12, Add LOG(ERROR, ) p13, Add A-B p14, Remove libxl__ao_complete(xxx) p15, Add A-B p16, Add A-B p17, Add A-B, replace "-c" with "--colo" for migrate-receive() p19, Add A-B, introduce "switch ... case ..." p21, Add A-B p22, Add A-B p23, replace "forwarddev" with "coloft_fowarddev" p24, Add A-B p25, Add A-B p26, replace "--script" with "--coloft-script" Changlog from v11 to v12 1. Rebase to the upstream xen 2. Address commnets from Ian, Liu Wei and Konard. Removed old p12,p13; introduce a new p13 what is splited out from old p15, introduce a new p19 what is splited out from old p20. p1, add A-B, and will update commit message when "xen-load-devices-state" relevant patch merged on qemu side p3, update comments, add assert() in libxl_domain_create_restore() p4, rename "dup_fd_helper" as "dup_cloexec", add missed newline p5, add A-B p7, remove repeated commit message, update the specification of libxl p8, update the specification of libxc p9, add A-B p10, update commit message, fix blank line issue p12, merged by old p12,p13(restore_callbacks wait_checkpoit/postcopy/suspend), fix blank line issues, update comments about why COLO only supports HVM p13, move stream read manipulations to right place in libxl_internal.h p14, merged by old p12(save_callbacks wait_checkpoint), fix blank line issues, update Copyright(C) p16, add "colo_" prefix for merge_secondary_dirty_bitmap() p17, update COLO description part on man page p18, fix long line issue p19, just introduce colo mode and refactor relevant functions p20, fix repetitive code in libxl__device_disk_from_xs_be(), make colo_port as int, remove unnecessary comments in libxl__build_device_model_args_new(), simplify disk_try_backend() and move the main part to in colo_qdisk_setup() in p21 p21, fix blank line issue, update Copyright(C) p22, merged by old p22,p23, update Copyright(C), add commets for NETLINK_COLO, remove unnecessary '{ }', update url in commit message p23, fix blank line issue, add some comments for "forwarddev", update Copyright(C) p24, introduce COLO_PROXY_CHECKPOINT_TIMEOUT, ASYNC_CALL p26, move colo_proxy_script setup codes to libxl__colo_restore_setup(), introduce long options for main_migrate_receive() Changlog from v10 to v11 1. Rebased to then upstream xen 2. Address comments from Liu Wei p1, update commit message and remove libxl__domain_restore_device_model p4, add A-B p5, update commit message p6, add A-B p7,p8 add email address and direction info p10, merged by old p10,p11 and update comments p11, merged by old p12,p13 and update comments p14,p15 move colo structures and functions into libxl_colo.h, and list callbacks in order, also update commit message p16, merged by old p18,p19,p20 and remove TODOs p17, use original code for checking postcopy return value p18, simplify *if* logic, fix wrong comments, and unset dom_info.quiet in COLO p19, add A-B p20, fix code style, update comments and man page p21,p22,p23,p24 move colo structures and functions into libxl_colo.h Changlog from v9 to v10 1. Rebased to the upstream xen 2. Fix one bug found in the test 3. Merge some patches from prepare series 4. Split patch 5 to two patches(patch 4 and 5) according to the comments from Wei Liu Changlog from v8 to v9: 1. Rebased to the upstream xen 2. Fix some bugs found in the test Changelog from v7 to v8: 1. Rebased to the latest libxl migration v2. Changelog from v6 to v7: 1. Ported to Libxl migration v2 2. Send dirty bitmap from secondary to primary on libxc side 3. Address review comments Changelog from v5 to v6: 1. based on migration v2(libxc) 2. split the patchset into prerequisite patchset and this main patchset. Changelog from v4 to v5: 1. rebase to the latest xen upstream 2. disk replication: blktap2->qdisk 3. nic replication: colo-agent->colo-proxy Changelog from v3 to v4: 1. rebase to newest xen 2. bug fix Changlog from v2 to v3: 1. rebase to newest remus 2. add nic replication support Changlog from v1 to v2: 1. rebase to newest remus 2. add disk replication support Changlong Xie (2): libxl_internal: move stream read manipulations to right place Introduce COLO mode and refactor relevant function Wen Congyang (24): tools/libxl: introduction of libxl__qmp_restore to load qemu state tools/libxl: introduce libxl__domain_common_switch_qemu_logdirty() tools/libxl: Add back channel to allow migration target send data back tools/libxl: Introduce new helper function dup_fd_helper() tools/libx{l,c}: add back channel to libxc docs: add colo readme docs/libxl: Introduce CHECKPOINT_CONTEXT to support migration v2 colo streams libxc/migration: Specification update for DIRTY_PFN_LIST records libxc/migration: export read_record for common use tools/libxl: add back channel support to write stream tools/libxl: add back channel support to read stream secondary vm suspend/resume/checkpoint code primary vm suspend/resume/checkpoint code libxc/restore: support COLO restore libxc/save: support COLO save implement the cmdline for COLO COLO: introduce new API to prepare/start/do/get_error/stop replication Support colo mode for qemu disk COLO: use qemu block replication COLO proxy: implement setup/teardown/preresume/postresume/checkpoint COLO nic: implement COLO nic subkind setup and control colo proxy on primary side setup and control colo proxy on secondary side cmdline switches and config vars to control colo-proxy docs/README.colo | 9 + docs/man/xl.conf.pod.5 | 6 + docs/man/xl.pod.1 | 48 +- docs/misc/xl-disk-configuration.txt | 53 ++ docs/specs/libxc-migration-stream.pandoc | 27 +- docs/specs/libxl-migration-stream.pandoc | 59 +- tools/hotplug/Linux/Makefile | 1 + tools/hotplug/Linux/colo-proxy-setup | 135 ++++ tools/libxc/include/xenguest.h | 41 +- tools/libxc/xc_nomigrate.c | 4 +- tools/libxc/xc_sr_common.c | 80 ++- tools/libxc/xc_sr_common.h | 24 +- tools/libxc/xc_sr_restore.c | 246 +++++-- tools/libxc/xc_sr_save.c | 100 ++- tools/libxc/xc_sr_stream_format.h | 31 +- tools/libxl/Makefile | 4 + tools/libxl/libxl.c | 87 ++- tools/libxl/libxl.h | 29 +- tools/libxl/libxl_colo.h | 143 ++++ tools/libxl/libxl_colo_nic.c | 320 +++++++++ tools/libxl/libxl_colo_proxy.c | 277 ++++++++ tools/libxl/libxl_colo_qdisk.c | 230 +++++++ tools/libxl/libxl_colo_restore.c | 1087 ++++++++++++++++++++++++++++++ tools/libxl/libxl_colo_save.c | 696 +++++++++++++++++++ tools/libxl/libxl_create.c | 90 ++- tools/libxl/libxl_device.c | 11 + tools/libxl/libxl_dm.c | 176 ++++- tools/libxl/libxl_dom_save.c | 103 +-- tools/libxl/libxl_internal.h | 216 ++++-- tools/libxl/libxl_qmp.c | 106 +++ tools/libxl/libxl_remus_disk_drbd.c | 38 +- tools/libxl/libxl_save_callout.c | 53 +- tools/libxl/libxl_save_helper.c | 8 +- tools/libxl/libxl_save_msgs_gen.pl | 13 +- tools/libxl/libxl_sr_stream_format.h | 11 + tools/libxl/libxl_stream_read.c | 106 ++- tools/libxl/libxl_stream_write.c | 100 ++- tools/libxl/libxl_types.idl | 11 + tools/libxl/libxlu_disk_l.l | 17 + tools/libxl/xl.c | 3 + tools/libxl/xl.h | 1 + tools/libxl/xl_cmdimpl.c | 109 ++- tools/libxl/xl_cmdtable.c | 4 +- tools/ocaml/libs/xl/xenlight_stubs.c | 2 +- tools/python/xen/migration/libxc.py | 68 +- tools/python/xen/migration/libxl.py | 9 + 46 files changed, 4618 insertions(+), 374 deletions(-) create mode 100644 docs/README.colo create mode 100755 tools/hotplug/Linux/colo-proxy-setup create mode 100644 tools/libxl/libxl_colo.h create mode 100644 tools/libxl/libxl_colo_nic.c create mode 100644 tools/libxl/libxl_colo_proxy.c create mode 100644 tools/libxl/libxl_colo_qdisk.c create mode 100644 tools/libxl/libxl_colo_restore.c create mode 100644 tools/libxl/libxl_colo_save.c -- 1.9.3 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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