Re: [PATCH 12/18] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c.

On Apr 26, 2011, at 11:51 PM, Jan Kiszka jan.kis...@siemens.com wrote: On 2011-04-26 16:24, 大村 圭 wrote: 2011/4/25 Jan Kiszka jan.kis...@web.de: On 2011-04-25 13:00, OHMURA Kei wrote: From: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Record mmio write event to replay it upon failover

Re: [PATCH 12/18] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c.

On Apr 27, 2011, at 2:51 PM, Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp wrote: What kind of mmio should be traced here, device or CPU originated? Or both? Jan To let Kemari replay outputs upon failover, tracing CPU originated mmio (specifically write requests) should be

Re: [PATCH v2 2/2] rbd: allow configuration of rados from the rbd filename

2011/4/7 Stefan Hajnoczi stefa...@gmail.com: On Thu, Apr 07, 2011 at 10:14:03AM +0900, Yoshiaki Tamura wrote: 2011/3/29 Josh Durgin josh.dur...@dreamhost.com: The new format is rbd:pool/image[@snapshot][:option1=value1[:option2=value2...]] Each option is used to configure rados, and may

Re: [PATCH v2 2/2] rbd: allow configuration of rados from the rbd filename

2011/4/8 Yehuda Sadeh Weinraub yehud...@gmail.com: On Thu, Apr 7, 2011 at 2:54 AM, Yoshiaki Tamura tamura.yoshi...@gmail.com wrote: 2011/4/7 Stefan Hajnoczi stefa...@gmail.com: On Thu, Apr 07, 2011 at 10:14:03AM +0900, Yoshiaki Tamura wrote: 2011/3/29 Josh Durgin josh.dur...@dreamhost.com

Re: [PATCH v2 2/2] rbd: allow configuration of rados from the rbd filename

Hi, 2011/3/29 Josh Durgin josh.dur...@dreamhost.com: The new format is rbd:pool/image[@snapshot][:option1=value1[:option2=value2...]] Each option is used to configure rados, and may be any Ceph option, or conf. The conf option specifies a Ceph configuration file to read. This allows rbd

[PATCH 08/18] savevm: introduce util functions to control ft_trans_file from savevm layer.

To utilize ft_trans_file function, savevm needs interfaces to be exported. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |5 ++ savevm.c | 150 ++ 2 files changed, 155 insertions(+), 0 deletions(-) diff

[PATCH 18/18] Introduce kemari: to enable FT migration mode (Kemari).

When kemari: is set in front of URI of migrate command, it will turn on ft_mode to start FT migration mode (Kemari). On the receiver side, the option looks like, -incoming kemari:protocol:address:port Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Acked-by: Paolo Bonzini pbonz

[PATCH 13/18] net: insert event-tap to qemu_send_packet() and qemu_sendv_packet_async().

event-tap function is called only when it is on. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- net.c |9 + 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/net.c b/net.c index ddcca97..a541ede 100644 --- a/net.c +++ b/net.c @@ -37,6 +37,7 @@ #include

[PATCH 00/18] [PATCH 00/18] Kemari for KVM v0.2.13

/kemari/kemari next Thanks, Yoshi Yoshiaki Tamura (18): Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer(). Introduce read() to FdMigrationState. Introduce qemu_loadvm_state_no_header() and make qemu_loadvm_state() a wrapper. qemu-char: export

[PATCH 03/18] Introduce qemu_loadvm_state_no_header() and make qemu_loadvm_state() a wrapper.

Introduce qemu_loadvm_state_no_header() so that it can be called iteratively without reading the header, and qemu_loadvm_state() becomes a wrapper of it. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- savevm.c | 45 +++-- 1 files

[PATCH 17/18] migration-tcp: modify tcp_accept_incoming_migration() to handle ft_mode, and add a hack not to close fd when ft_mode is enabled.

for it. vm_change_state_handler is added to turn off ft_mode when cont is pressed. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 67 ++- 1 files changed, 66 insertions(+), 1 deletions(-) diff --git a/migration-tcp.c b

[PATCH 09/18] Introduce event-tap.

event-tap controls when to start FT transaction, and provides proxy functions to called from net/block devices. While FT transaction, it queues up net/block requests, and flush them when the transaction gets completed. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Signed-off

[PATCH 04/18] qemu-char: export socket_set_nodelay().

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- qemu-char.c |2 +- qemu_socket.h |1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/qemu-char.c b/qemu-char.c index 31c9e79..fa16d36 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2111,7 +2111,7 @@ static

[PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode.

This code implements VM transaction protocol. Like buffered_file, it sits between savevm and migration layer. With this architecture, VM transaction protocol is implemented mostly independent from other existing code. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Signed-off

[PATCH 01/18] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer().

Currently buf size is fixed at 32KB. It would be useful if it could be flexible. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |2 ++ savevm.c | 20 +++- 2 files changed, 21 insertions(+), 1 deletions(-) diff --git a/hw/hw.h b/hw/hw.h index

[PATCH 16/18] migration: introduce migrate_ft_trans_{put,get}_ready(), and modify migrate_fd_put_ready() when ft_mode is on.

from the receiver. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration.c | 266 ++- 1 files changed, 265 insertions(+), 1 deletions(-) diff --git a/migration.c b/migration.c index 1c2d956..d536df0 100644

[PATCH 06/18] virtio: decrement last_avail_idx with inuse before saving.

to make it repeat the last inuse requests. Signed-off-by: Michael S. Tsirkin m...@redhat.com Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/virtio.c | 10 +- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/hw/virtio.c b/hw/virtio.c index 31bd9e3

[PATCH 14/18] block: insert event-tap to bdrv_aio_writev(), bdrv_aio_flush() and bdrv_flush().

event-tap function is called only when it is on, and requests were sent from device emulators. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Acked-by: Kevin Wolf kw...@redhat.com --- block.c | 15 +++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git

[PATCH 12/18] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c.

Record mmio write event to replay it upon failover. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- exec.c |4 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/exec.c b/exec.c index 964ce31..be71464 100644 --- a/exec.c +++ b/exec.c @@ -33,6 +33,7

[PATCH 10/18] Call init handler of event-tap at main() in vl.c.

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c |3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/vl.c b/vl.c index 483e2e3..6ed9b20 100644 --- a/vl.c +++ b/vl.c @@ -160,6 +160,7 @@ int main(int argc, char **argv) #include qemu-queue.h #include

[PATCH 05/18] vl.c: add deleted flag for deleting the handler.

Make deleting handlers robust against deletion of any elements in a handler by using a deleted flag like in file descriptors. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c | 15 ++- 1 files changed, 10 insertions(+), 5 deletions(-) diff --git a/vl.c b/vl.c

[PATCH 02/18] Introduce read() to FdMigrationState.

Currently FdMigrationState doesn't support read(), and this patch introduces it to get response from the other side. Note that this won't change the existing migration protocol to be bi-directional. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 15

Re: [Qemu-devel] Re: KVM call agenda for Mars 14th

On Mar 15, 2011, at 2:49 AM, Anthony Liguori anth...@codemonkey.ws wrote: On 03/14/2011 11:36 AM, Juan Quintela wrote: Jes Sorensenjes.soren...@redhat.com wrote: On 03/14/11 13:14, Juan Quintela wrote: Please send any agenda items you are interested in covering. Thanks, Juan. I presume

Re: [PATCH 09/18] Introduce event-tap.

ya su wrote: Yoshi: I meet one problem if I killed a ft source VM, the dest ft VM will return errors as the following: qemu-system-x86_64: fill buffer failed, Resource temporarily unavailable qemu-system-x86_64: recv header failed the problem is that the dest VM can not continue to

Re: [PATCH 09/18] Introduce event-tap.

ya su wrote: Yokshiaki: event-tap record block and io wirte events, and replay these on the other side, so block_save_live is useless during the latter ft phase, right? if so, I think it need to process the following code in block_save_live function: Actually no. It just replays the

Re: [PATCH 09/18] Introduce event-tap.

ya su wrote: Yoshi: I think event-tap is a great idea, it remove the reading from disk which will increase ft effiency much better as your plan in later series. one question: IO read/write may dirty rams, but it is difficute to differ them from other dirty pages like caused by

Re: [PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode.

2011/2/24 Juan Quintela quint...@redhat.com: [ trimming cc to kvm qemu lists] Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp wrote: Juan Quintela wrote: Yoshiaki Tamuratamura.yoshi...@lab.ntt.co.jp  wrote: This code implements VM transaction protocol.  Like buffered_file, it sits between

[PATCH 08/18] savevm: introduce util functions to control ft_trans_file from savevm layer.

To utilize ft_trans_file function, savevm needs interfaces to be exported. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |5 ++ savevm.c | 149 ++ 2 files changed, 154 insertions(+), 0 deletions(-) diff

[PATCH 12/18] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c.

Record mmio write event to replay it upon failover. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- exec.c |4 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/exec.c b/exec.c index d611100..e192eec 100644 --- a/exec.c +++ b/exec.c @@ -33,6 +33,7

[PATCH 11/18] ioport: insert event_tap_ioport() to ioport_write().

Record ioport event to replay it upon failover. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- ioport.c |2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/ioport.c b/ioport.c index aa4188a..74aebf5 100644 --- a/ioport.c +++ b/ioport.c @@ -27,6 +27,7

[PATCH 00/18] Kemari for KVM v0.2.11

optimization which aren't ready for posting yet. To remove the dirty bitmap optimization, please look at HEAD~4 of the tree. git://kemari.git.sourceforge.net/gitroot/kemari/kemari next Thanks, Yoshi Yoshiaki Tamura (18): Make QEMUFile buf expandable, and introduce qemu_realloc_buffer

[PATCH 05/18] vl.c: add deleted flag for deleting the handler.

Make deleting handlers robust against deletion of any elements in a handler by using a deleted flag like in file descriptors. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c | 13 + 1 files changed, 9 insertions(+), 4 deletions(-) diff --git a/vl.c b/vl.c

[PATCH 13/18] net: insert event-tap to qemu_send_packet() and qemu_sendv_packet_async().

event-tap function is called only when it is on. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- net.c |9 + 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/net.c b/net.c index ec4745d..724b549 100644 --- a/net.c +++ b/net.c @@ -36,6 +36,7 @@ #include

[PATCH 18/18] Introduce kemari: to enable FT migration mode (Kemari).

When kemari: is set in front of URI of migrate command, it will turn on ft_mode to start FT migration mode (Kemari). On the receiver side, the option looks like, -incoming kemari:protocol:address:port Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Acked-by: Paolo Bonzini pbonz

[PATCH 06/18] virtio: decrement last_avail_idx with inuse before saving.

to make it repeat the last inuse requests. Signed-off-by: Michael S. Tsirkin m...@redhat.com Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/virtio.c | 10 +- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/hw/virtio.c b/hw/virtio.c index 31bd9e3

[PATCH 16/18] migration: introduce migrate_ft_trans_{put,get}_ready(), and modify migrate_fd_put_ready() when ft_mode is on.

from the receiver. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration.c | 261 ++- 1 files changed, 260 insertions(+), 1 deletions(-) diff --git a/migration.c b/migration.c index 3be3554..82f4a4d 100644

[PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode.

This code implements VM transaction protocol. Like buffered_file, it sits between savevm and migration layer. With this architecture, VM transaction protocol is implemented mostly independent from other existing code. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Signed-off

[PATCH 04/18] qemu-char: export socket_set_nodelay().

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- qemu-char.c |2 +- qemu_socket.h |1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/qemu-char.c b/qemu-char.c index bd4e944..c4f1940 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2111,7 +2111,7 @@ static

[PATCH 14/18] block: insert event-tap to bdrv_aio_writev(), bdrv_aio_flush() and bdrv_flush().

event-tap function is called only when it is on, and requests were sent from device emulators. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Acked-by: Kevin Wolf kw...@redhat.com --- block.c | 15 +++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git

[PATCH 01/18] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer().

Currently buf size is fixed at 32KB. It would be useful if it could be flexible. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |2 ++ savevm.c | 20 +++- 2 files changed, 21 insertions(+), 1 deletions(-) diff --git a/hw/hw.h b/hw/hw.h index

[PATCH 10/18] Call init handler of event-tap at main() in vl.c.

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c |3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/vl.c b/vl.c index 4e263c3..614ac9c 100644 --- a/vl.c +++ b/vl.c @@ -162,6 +162,7 @@ int main(int argc, char **argv) #include qemu-queue.h #include

[PATCH 03/18] Introduce skip_header parameter to qemu_loadvm_state().

Introduce skip_header parameter to qemu_loadvm_state() so that it can be called iteratively without reading the header. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration.c |2 +- savevm.c| 24 +--- sysemu.h|2 +- 3 files changed, 15

[PATCH 15/18] savevm: introduce qemu_savevm_trans_{begin,commit}.

Introduce qemu_savevm_trans_{begin,commit} to send the memory and device info together, while avoiding cancelling memory state tracking. This patch also abstracts common code between qemu_savevm_state_{begin,iterate,commit}. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp

[PATCH 09/18] Introduce event-tap.

event-tap controls when to start FT transaction, and provides proxy functions to called from net/block devices. While FT transaction, it queues up net/block requests, and flush them when the transaction gets completed. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Signed-off

[PATCH 02/18] Introduce read() to FdMigrationState.

Currently FdMigrationState doesn't support read(), and this patch introduces it to get response from the other side. Note that this won't change the existing migration protocol to be bi-directional. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 15

[PATCH 17/18] migration-tcp: modify tcp_accept_incoming_migration() to handle ft_mode, and add a hack not to close fd when ft_mode is enabled.

for it. vm_change_state_handler is added to turn off ft_mode when cont is pressed. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 67 ++- 1 files changed, 66 insertions(+), 1 deletions(-) diff --git a/migration-tcp.c b

Re: [PATCH 03/18] Introduce skip_header parameter to qemu_loadvm_state().

Juan Quintela wrote: Yoshiaki Tamuratamura.yoshi...@lab.ntt.co.jp wrote: Introduce skip_header parameter to qemu_loadvm_state() so that it can be called iteratively without reading the header. Signed-off-by: Yoshiaki Tamuratamura.yoshi...@lab.ntt.co.jp --- migration.c |2 +- savevm.c

Re: [PATCH 05/18] vl.c: add deleted flag for deleting the handler.

Juan Quintela wrote: Yoshiaki Tamuratamura.yoshi...@lab.ntt.co.jp wrote: Make deleting handlers robust against deletion of any elements in a handler by using a deleted flag like in file descriptors. Signed-off-by: Yoshiaki Tamuratamura.yoshi...@lab.ntt.co.jp --- vl.c | 13 +

Re: [PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode.

Juan Quintela wrote: Yoshiaki Tamuratamura.yoshi...@lab.ntt.co.jp wrote: This code implements VM transaction protocol. Like buffered_file, it sits between savevm and migration layer. With this architecture, VM transaction protocol is implemented mostly independent from other existing code.

[PATCH 03/18] Introduce qemu_loadvm_state_no_header() and make qemu_loadvm_state() a wrapper.

Introduce qemu_loadvm_state_no_header() so that it can be called iteratively without reading the header, and qemu_loadvm_state() becomes a wrapper of it. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- savevm.c | 45 +++-- 1 files

[PATCH 00/18] Kemari for KVM v0.2.12

optimization, please look at HEAD~4 of the tree. git://kemari.git.sourceforge.net/gitroot/kemari/kemari next Thanks, Yoshi Yoshiaki Tamura (18): Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer(). Introduce read() to FdMigrationState. Introduce

[PATCH 06/18] virtio: decrement last_avail_idx with inuse before saving.

to make it repeat the last inuse requests. Signed-off-by: Michael S. Tsirkin m...@redhat.com Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/virtio.c | 10 +- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/hw/virtio.c b/hw/virtio.c index 31bd9e3

[PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode.

This code implements VM transaction protocol. Like buffered_file, it sits between savevm and migration layer. With this architecture, VM transaction protocol is implemented mostly independent from other existing code. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Signed-off

[PATCH 08/18] savevm: introduce util functions to control ft_trans_file from savevm layer.

To utilize ft_trans_file function, savevm needs interfaces to be exported. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |5 ++ savevm.c | 150 ++ 2 files changed, 155 insertions(+), 0 deletions(-) diff

[PATCH 11/18] ioport: insert event_tap_ioport() to ioport_write().

Record ioport event to replay it upon failover. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- ioport.c |2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/ioport.c b/ioport.c index aa4188a..74aebf5 100644 --- a/ioport.c +++ b/ioport.c @@ -27,6 +27,7

[PATCH 04/18] qemu-char: export socket_set_nodelay().

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- qemu-char.c |2 +- qemu_socket.h |1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/qemu-char.c b/qemu-char.c index bd4e944..c4f1940 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2111,7 +2111,7 @@ static

[PATCH 01/18] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer().

Currently buf size is fixed at 32KB. It would be useful if it could be flexible. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |2 ++ savevm.c | 20 +++- 2 files changed, 21 insertions(+), 1 deletions(-) diff --git a/hw/hw.h b/hw/hw.h index

[PATCH 16/18] migration: introduce migrate_ft_trans_{put,get}_ready(), and modify migrate_fd_put_ready() when ft_mode is on.

from the receiver. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration.c | 261 ++- 1 files changed, 260 insertions(+), 1 deletions(-) diff --git a/migration.c b/migration.c index 1c2d956..cdea459 100644

[PATCH 09/18] Introduce event-tap.

event-tap controls when to start FT transaction, and provides proxy functions to called from net/block devices. While FT transaction, it queues up net/block requests, and flush them when the transaction gets completed. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Signed-off

[PATCH 18/18] Introduce kemari: to enable FT migration mode (Kemari).

When kemari: is set in front of URI of migrate command, it will turn on ft_mode to start FT migration mode (Kemari). On the receiver side, the option looks like, -incoming kemari:protocol:address:port Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Acked-by: Paolo Bonzini pbonz

[PATCH 12/18] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c.

Record mmio write event to replay it upon failover. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- exec.c |4 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/exec.c b/exec.c index d611100..e192eec 100644 --- a/exec.c +++ b/exec.c @@ -33,6 +33,7

[PATCH 05/18] vl.c: add deleted flag for deleting the handler.

Make deleting handlers robust against deletion of any elements in a handler by using a deleted flag like in file descriptors. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c | 15 ++- 1 files changed, 10 insertions(+), 5 deletions(-) diff --git a/vl.c b/vl.c

[PATCH 15/18] savevm: introduce qemu_savevm_trans_{begin,commit}.

Introduce qemu_savevm_trans_{begin,commit} to send the memory and device info together, while avoiding cancelling memory state tracking. This patch also abstracts common code between qemu_savevm_state_{begin,iterate,commit}. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp

[PATCH 17/18] migration-tcp: modify tcp_accept_incoming_migration() to handle ft_mode, and add a hack not to close fd when ft_mode is enabled.

for it. vm_change_state_handler is added to turn off ft_mode when cont is pressed. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 67 ++- 1 files changed, 66 insertions(+), 1 deletions(-) diff --git a/migration-tcp.c b

[PATCH 13/18] net: insert event-tap to qemu_send_packet() and qemu_sendv_packet_async().

event-tap function is called only when it is on. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- net.c |9 + 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/net.c b/net.c index ec4745d..724b549 100644 --- a/net.c +++ b/net.c @@ -36,6 +36,7 @@ #include

[PATCH 14/18] block: insert event-tap to bdrv_aio_writev(), bdrv_aio_flush() and bdrv_flush().

event-tap function is called only when it is on, and requests were sent from device emulators. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Acked-by: Kevin Wolf kw...@redhat.com --- block.c | 15 +++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git

[PATCH 10/18] Call init handler of event-tap at main() in vl.c.

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c |3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/vl.c b/vl.c index 0bda77d..0ea1fb7 100644 --- a/vl.c +++ b/vl.c @@ -162,6 +162,7 @@ int main(int argc, char **argv) #include qemu-queue.h #include

[PATCH 02/18] Introduce read() to FdMigrationState.

Currently FdMigrationState doesn't support read(), and this patch introduces it to get response from the other side. Note that this won't change the existing migration protocol to be bi-directional. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 15

Re: [Qemu-devel] Re: [PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode.

it in this series though because I don't want to touch other components as much as possible this time. Yoshi Green. 2011/2/21 Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Hi Green, 2011/2/21 ya su suya94...@gmail.com: Yoshiaki:     I have one question about ram_save_live, during migration

Re: [Qemu-devel] Re: [PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode.

the first transaction. I understand that this implementation is inefficient, and planning to introduce a new stage that is almost same as stage 3 but keeps dirty tracking in the future. Thanks, Yoshi BR Green. 2011/2/10 Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp This code implements VM

[PATCH 18/18] Introduce kemari: to enable FT migration mode (Kemari).

When kemari: is set in front of URI of migrate command, it will turn on ft_mode to start FT migration mode (Kemari). On the receiver side, the option looks like, -incoming kemari:protocol:address:port Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hmp-commands.hx |4

[PATCH 03/18] Introduce skip_header parameter to qemu_loadvm_state().

Introduce skip_header parameter to qemu_loadvm_state() so that it can be called iteratively without reading the header. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration.c |2 +- savevm.c| 24 +--- sysemu.h|2 +- 3 files changed, 15

[PATCH 01/18] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer().

Currently buf size is fixed at 32KB. It would be useful if it could be flexible. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |2 ++ savevm.c | 20 +++- 2 files changed, 21 insertions(+), 1 deletions(-) diff --git a/hw/hw.h b/hw/hw.h index

[PATCH 13/18] net: insert event-tap to qemu_send_packet() and qemu_sendv_packet_async().

event-tap function is called only when it is on. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- net.c |9 + 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/net.c b/net.c index 9ba5be2..1176124 100644 --- a/net.c +++ b/net.c @@ -36,6 +36,7 @@ #include

[PATCH 15/18] savevm: introduce qemu_savevm_trans_{begin,commit}.

Introduce qemu_savevm_trans_{begin,commit} to send the memory and device info together, while avoiding cancelling memory state tracking. This patch also abstracts common code between qemu_savevm_state_{begin,iterate,commit}. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp

[PATCH 12/18] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c.

Record mmio write event to replay it upon failover. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- exec.c |4 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/exec.c b/exec.c index e950df2..c81fd09 100644 --- a/exec.c +++ b/exec.c @@ -33,6 +33,7

[PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode.

This code implements VM transaction protocol. Like buffered_file, it sits between savevm and migration layer. With this architecture, VM transaction protocol is implemented mostly independent from other existing code. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Signed-off

[PATCH 05/18] vl.c: add deleted flag for deleting the handler.

Make deleting handlers robust against deletion of any elements in a handler by using a deleted flag like in file descriptors. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c | 13 + 1 files changed, 9 insertions(+), 4 deletions(-) diff --git a/vl.c b/vl.c

[PATCH 14/18] block: insert event-tap to bdrv_aio_writev(), bdrv_aio_flush() and bdrv_flush().

event-tap function is called only when it is on, and requests were sent from device emulators. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Acked-by: Kevin Wolf kw...@redhat.com --- block.c | 15 +++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git

[PATCH 08/18] savevm: introduce util functions to control ft_trans_file from savevm layer.

To utilize ft_trans_file function, savevm needs interfaces to be exported. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |5 ++ savevm.c | 149 ++ 2 files changed, 154 insertions(+), 0 deletions(-) diff

[PATCH 02/18] Introduce read() to FdMigrationState.

Currently FdMigrationState doesn't support read(), and this patch introduces it to get response from the other side. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 15 +++ migration.c | 13 + migration.h |3 +++ 3 files

[PATCH 10/18] Call init handler of event-tap at main() in vl.c.

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c |3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/vl.c b/vl.c index 00155fb..f4d4abf 100644 --- a/vl.c +++ b/vl.c @@ -162,6 +162,7 @@ int main(int argc, char **argv) #include qemu-queue.h #include

[PATCH 11/18] ioport: insert event_tap_ioport() to ioport_write().

Record ioport event to replay it upon failover. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- ioport.c |2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/ioport.c b/ioport.c index aa4188a..74aebf5 100644 --- a/ioport.c +++ b/ioport.c @@ -27,6 +27,7

[PATCH 17/18] migration-tcp: modify tcp_accept_incoming_migration() to handle ft_mode, and add a hack not to close fd when ft_mode is enabled.

for it. vm_change_state_handler is added to turn off ft_mode when cont is pressed. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 67 ++- 1 files changed, 66 insertions(+), 1 deletions(-) diff --git a/migration-tcp.c b

[PATCH 06/18] virtio: decrement last_avail_idx with inuse before saving.

to make it repeat the last inuse requests. Signed-off-by: Michael S. Tsirkin m...@redhat.com Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/virtio.c | 10 +- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/hw/virtio.c b/hw/virtio.c index 31bd9e3

[PATCH 00/18] Kemari for KVM v0.2.10

to try, please pull the following repository. It also includes dirty bitmap optimization which aren't ready for posting yet. To remove the dirty bitmap optimization, please look at HEAD~4 of the tree. git://kemari.git.sourceforge.net/gitroot/kemari/kemari next Thanks, Yoshi Yoshiaki Tamura (18

[PATCH 09/18] Introduce event-tap.

event-tap controls when to start FT transaction, and provides proxy functions to called from net/block devices. While FT transaction, it queues up net/block requests, and flush them when the transaction gets completed. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp Signed-off

[PATCH 16/18] migration: introduce migrate_ft_trans_{put,get}_ready(), and modify migrate_fd_put_ready() when ft_mode is on.

from the receiver. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration.c | 261 ++- 1 files changed, 260 insertions(+), 1 deletions(-) diff --git a/migration.c b/migration.c index c5e0146..7837c55 100644

[PATCH 04/18] qemu-char: export socket_set_nodelay().

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- qemu-char.c |2 +- qemu_socket.h |1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/qemu-char.c b/qemu-char.c index ee4f4ca..7286aeb 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2111,7 +2111,7 @@ static

Re: [Qemu-devel] [PATCH 02/18] Introduce read() to FdMigrationState.

2011/2/10 Anthony Liguori anth...@codemonkey.ws: On 02/10/2011 10:30 AM, Yoshiaki Tamura wrote: Currently FdMigrationState doesn't support read(), and this patch introduces it to get response from the other side. Signed-off-by: Yoshiaki Tamuratamura.yoshi...@lab.ntt.co.jp Migration

Re: [Qemu-devel] [PATCH 02/18] Introduce read() to FdMigrationState.

2011/2/10 Daniel P. Berrange berra...@redhat.com: On Thu, Feb 10, 2011 at 10:54:01AM +0100, Anthony Liguori wrote: On 02/10/2011 10:30 AM, Yoshiaki Tamura wrote: Currently FdMigrationState doesn't support read(), and this patch introduces it to get response from the other side. Signed-off

Re: [Qemu-devel] [PATCH 02/18] Introduce read() to FdMigrationState.

2011/2/10 Daniel P. Berrange berra...@redhat.com: On Thu, Feb 10, 2011 at 07:23:33PM +0900, Yoshiaki Tamura wrote: 2011/2/10 Daniel P. Berrange berra...@redhat.com: On Thu, Feb 10, 2011 at 10:54:01AM +0100, Anthony Liguori wrote: On 02/10/2011 10:30 AM, Yoshiaki Tamura wrote: Currently

[PATCH 04/19] qemu-char: export socket_set_nodelay().

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- qemu-char.c |2 +- qemu_socket.h |1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/qemu-char.c b/qemu-char.c index ee4f4ca..7286aeb 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2111,7 +2111,7 @@ static

[PATCH 11/19] ioport: insert event_tap_ioport() to ioport_write().

Record ioport event to replay it upon failover. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- ioport.c |2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/ioport.c b/ioport.c index aa4188a..74aebf5 100644 --- a/ioport.c +++ b/ioport.c @@ -27,6 +27,7

[PATCH 19/19] migration: add a parser to accept FT migration incoming mode.

The option looks like, -incoming kemari:protocol:address:port Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration.c |6 ++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/migration.c b/migration.c index 9d2abff..4dc02a2 100644 --- a/migration.c +++ b

[PATCH 16/19] migration: introduce migrate_ft_trans_{put,get}_ready(), and modify migrate_fd_put_ready() when ft_mode is on.

from the receiver. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration.c | 261 ++- 1 files changed, 260 insertions(+), 1 deletions(-) diff --git a/migration.c b/migration.c index c5e0146..7837c55 100644

[PATCH 10/19] Call init handler of event-tap at main() in vl.c.

Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- vl.c |3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/vl.c b/vl.c index 00155fb..f4d4abf 100644 --- a/vl.c +++ b/vl.c @@ -162,6 +162,7 @@ int main(int argc, char **argv) #include qemu-queue.h #include

[PATCH 15/19] savevm: introduce qemu_savevm_trans_{begin,commit}.

Introduce qemu_savevm_trans_{begin,commit} to send the memory and device info together, while avoiding cancelling memory state tracking. This patch also abstracts common code between qemu_savevm_state_{begin,iterate,commit}. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp

[PATCH 02/19] Introduce read() to FdMigrationState.

Currently FdMigrationState doesn't support read(), and this patch introduces it to get response from the other side. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- migration-tcp.c | 15 +++ migration.c | 13 + migration.h |3 +++ 3 files

[PATCH 08/19] savevm: introduce util functions to control ft_trans_file from savevm layer.

To utilize ft_trans_file function, savevm needs interfaces to be exported. Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp --- hw/hw.h |5 ++ savevm.c | 149 ++ 2 files changed, 154 insertions(+), 0 deletions(-) diff

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