Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index 4adab36..3e
ot;state\":
true } ] } }" | nc -U /var/lib/migrate-vm-monitor.sock
Or just with HMP
(qemu) migrate_set_capability postcopy-blocktime on
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/migration/migration.h | 8 +
migration/postcopy-ram.c | 80 ++
postcopy-ram.c -
hardware independed code.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/migration/migration.h | 16 +++
migration/postcopy-ram.c | 22 ---
migration/ram.c | 63 +++
3
page address as value and vCPU
as index. It helps to find proper vCPU at UFFD_COPY time. Also it keeps
list for blocktime per vCPU (could be traced with page_fault_addr)
Blocktime will not calculated if postcopy_blocktime field of
MigrationIncomingState wasn't initialized.
Signed-off-by: Alexey
That tiny refactoring is necessary to be able to set
UFFD_FEATURE_THREAD_ID while requesting features, and then
to create downtime context in case when kernel supports it.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.c| 2 +-
migration/postcopy
ontext has internal state, and after first call of
ioctl UFFD_API it changes its state to UFFD_STATE_RUNNING (in case of
success), but kernel while handling ioctl UFFD_API expects UFFD_STATE_WAIT_API.
So only one ioctl with UFFD_API is possible per ufd.
Signed-off-by: Alexey Perevalov <a.pereva..
com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/migration/migration.h | 1 +
migration/migration.c | 9 +
qapi-schema.json | 5 -
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/include/migration/migration.h b/inclu
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
docs/migration.txt | 10 ++
1 file changed, 10 insertions(+)
diff --git a/docs/migration.txt b/docs/migration.txt
index 1b940a8..2207c6d 100644
--- a/docs/migration.txt
+++ b/docs/migration.txt
@@ -402,6 +402,16 @@ wi
This commit duplicates header of "userfaultfd: provide pid in userfault msg"
into linux kernel.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
linux-headers/linux/userfaultfd.h | 5 +
1 file changed, 5 insertions(+)
diff --git a/linux-headers/linux/userfa
sed on commit 56821559f0ba682fe6b367815572e6f974d329ab
"Merge remote-tracking branch 'dgilbert/tags/pull-hmp-20170517' into staging"
Alexey Perevalov (10):
userfault: add pid into uffd_msg & update UFFD_FEATURE_*
migration: pass MigrationIncomingState* into migration check functions
On 05/24/2017 03:01 PM, Peter Xu wrote:
On Wed, May 24, 2017 at 10:56:37AM +0300, Alexey wrote:
On Wed, May 24, 2017 at 02:57:36PM +0800, Peter Xu wrote:
On Tue, May 23, 2017 at 02:31:08PM +0300, Alexey Perevalov wrote:
This patch adds ability to track down already copied
pages, it's
On 05/24/2017 02:22 PM, Peter Xu wrote:
On Wed, May 24, 2017 at 12:37:20PM +0300, Alexey wrote:
On Wed, May 24, 2017 at 03:53:05PM +0800, Peter Xu wrote:
On Tue, May 23, 2017 at 02:31:09PM +0300, Alexey Perevalov wrote:
This patch provides blocktime calculation per vCPU,
as a summary
t;32 it will not overflow since
by default a constant "1" is a "int" typed (and it's 32bit width).
Thanks,
--
Best regards,
Alexey Perevalov
On 05/25/2017 02:30 AM, Peter Xu wrote:
On Wed, May 24, 2017 at 03:16:23PM +0300, Alexey Perevalov wrote:
On 05/24/2017 03:01 PM, Peter Xu wrote:
On Wed, May 24, 2017 at 10:56:37AM +0300, Alexey wrote:
On Wed, May 24, 2017 at 02:57:36PM +0800, Peter Xu wrote:
On Tue, May 23, 2017 at 02:31
On 05/19/2017 10:05 PM, Dr. David Alan Gilbert wrote:
* Alexey (a.pereva...@samsung.com) wrote:
On Tue, May 16, 2017 at 12:34:16PM +0100, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
This patch provides blocktime calculation per vCPU,
as a summary
That tiny refactoring is necessary to be able to set
UFFD_FEATURE_THREAD_ID while requesting features, and then
to create downtime context in case when kernel supports it.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.c| 3 ++-
migration/postcopy
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index 10d39a0..99
page address as value and vCPU
as index. It helps to find proper vCPU at UFFD_COPY time. Also it keeps
list for blocktime per vCPU (could be traced with page_fault_addr)
Blocktime will not calculated if postcopy_blocktime field of
MigrationIncomingState wasn't initialized.
Signed-off-by: Alexey
wback, it combines states of incoming and
outgoing migration. Ongoing migration state will overwrite incoming
state. Looks like better to separate query-migrate for incoming and
outgoing migration or add parameter to indicate type of migration.
Reviewed-by: Dr. David Alan Gilbert <dgilb...@
as a standalone patch.
it's not bad to check every patch in sequence separately,
but including previous patches )
Fam
--
Best regards,
Alexey Perevalov
On 06/01/2017 01:57 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
This patch provides blocktime calculation per vCPU,
as a summary and as a overlapped value for all vCPUs.
This approach was suggested by Peter Xu, as an improvements of
previous approch
after remmap).
Bitmap is placed into RAMBlock as another postcopy/precopy
related bitmaps. Helpers are in migration/ram.c, due to
in this file is allowing to work with RAMBlock.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/exec/ram_addr.h | 2 ++
migration
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
docs/migration.txt | 10 ++
1 file changed, 10 insertions(+)
diff --git a/docs/migration.txt b/docs/migration.txt
index 1b940a8..4b625ca 100644
--- a/docs/m
sed on commit
a0d4aac7467dd02e5657b79e867f067330266a24
of git://git.qemu-project.org/qemu.git
Alexey Perevalov (11):
userfault: add pid into uffd_msg & update UFFD_FEATURE_*
migration: pass MigrationIncomingState* into migration check functions
migration: fix hardcoded function name in error report
migration: split ufd_v
ot;state\":
true } ] } }" | nc -U /var/lib/migrate-vm-monitor.sock
Or just with HMP
(qemu) migrate_set_capability postcopy-blocktime on
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/migration/migration.h | 8 ++
migration/postcopy-ram.c | 65 ++
This commit duplicates header of "userfaultfd: provide pid in userfault msg"
into linux kernel.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
linux-headers/linux/userfaultfd.h | 4
1 file changed, 4 insertions(+)
diff --git a/linux-headers/linux/userfa
com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/migration/migration.h | 1 +
migration/migration.c | 9 +
qapi-schema.json | 5 -
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/include/migration/migration.h b/inclu
ontext has internal state, and after first call of
ioctl UFFD_API it changes its state to UFFD_STATE_RUNNING (in case of
success), but kernel while handling ioctl UFFD_API expects UFFD_STATE_WAIT_API.
So only one ioctl with UFFD_API is possible per ufd.
Signed-off-by: Alexey Perevalov <a.pereva..
Need to set copied bitmap as closer as possible to mark_postcopy_blocktime_end.
So postcopy_place_page is proper place. RAMBlock argument here could avoid
additional RAMBlock lookup as well as reduce number of arguments
(no need to pass pointer to copied bitmap).
Signed-off-by: Alexey Perevalov
after remmap).
Bitmap is placed into RAMBlock as another postcopy/precopy
related bitmaps. Helpers are in migration/ram.c, due to
in this file is allowing to work with RAMBlock.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/exec/ram_addr.h | 2 ++
migration
wback, it combines states of incoming and
outgoing migration. Ongoing migration state will overwrite incoming
state. Looks like better to separate query-migrate for incoming and
outgoing migration or add parameter to indicate type of migration.
Reviewed-by: Dr. David Alan Gilbert <dgilb...@
That tiny refactoring is necessary to be able to set
UFFD_FEATURE_THREAD_ID while requesting features, and then
to create downtime context in case when kernel supports it.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.c| 3 ++-
migration/postcopy
- It doesn't send back the downtime, just trace it
This patch set is based on commit
a0d4aac7467dd02e5657b79e867f067330266a24
of git://git.qemu-project.org/qemu.git
Alexey Perevalov (11):
userfault: add pid into uffd_msg & update UFFD_FEATURE_*
migration: pass MigrationIncomingState* into migration
Need to mark paged copied as closer as possible place where it
tracks down. That will be necessary in futher patch.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 13 -
migration/postcopy-ram.h | 4 ++--
migration/ram.c | 4 +
com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/migration/migration.h | 1 +
migration/migration.c | 9 +
qapi-schema.json | 5 -
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/include/migration/migration.h b/inclu
ontext has internal state, and after first call of
ioctl UFFD_API it changes its state to UFFD_STATE_RUNNING (in case of
success), but kernel while handling ioctl UFFD_API expects UFFD_STATE_WAIT_API.
So only one ioctl with UFFD_API is possible per ufd.
Signed-off-by: Alexey Perevalov <a.pereva..
page address as value and vCPU
as index. It helps to find proper vCPU at UFFD_COPY time. Also it keeps
list for blocktime per vCPU (could be traced with page_fault_addr)
Blocktime will not calculated if postcopy_blocktime field of
MigrationIncomingState wasn't initialized.
Signed-off-by: Alexey
ot;state\":
true } ] } }" | nc -U /var/lib/migrate-vm-monitor.sock
Or just with HMP
(qemu) migrate_set_capability postcopy-blocktime on
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/migration/migration.h | 8 ++
migration/postcopy-ram.c | 65 ++
This commit duplicates header of "userfaultfd: provide pid in userfault msg"
into linux kernel.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
linux-headers/linux/userfaultfd.h | 4
1 file changed, 4 insertions(+)
diff --git a/linux-headers/linux/userfa
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index 10d39a0..88
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
docs/migration.txt | 10 ++
1 file changed, 10 insertions(+)
diff --git a/docs/migration.txt b/docs/migration.txt
index 1b940a8..4b625ca 100644
--- a/docs/m
On 06/07/2017 03:43 PM, Juan Quintela wrote:
Alexey Perevalov <a.pereva...@samsung.com> wrote:
This patch adds request to kernel space for UFFD_FEATURE_THREAD_ID,
in case when this feature is provided by kernel.
I think this function is wrong
migration_exit_cb will be called at QEM
On 06/07/2017 03:52 PM, Juan Quintela wrote:
Alexey Perevalov <a.pereva...@samsung.com> wrote:
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
docs/migration.txt | 10 ++
1 file changed, 10 i
On 05/31/2017 08:54 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
That tiny refactoring is necessary to be able to set
UFFD_FEATURE_THREAD_ID while requesting features, and then
to create downtime context in case when kernel supports it.
Signed-off
On 05/24/2017 06:31 AM, Peter Xu wrote:
On Tue, May 23, 2017 at 02:31:07PM +0300, Alexey Perevalov wrote:
This patch adds request to kernel space for UFFD_FEATURE_THREAD_ID,
in case when this feature is provided by kernel.
PostcopyBlocktimeContext is incapsulated inside postcopy-ram.c,
due
On 06/07/2017 12:46 PM, Alexey Perevalov wrote:
This patch adds ability to track down already copied
pages, it's necessary for calculation vCPU block time in
postcopy migration feature, maybe for restore after
postcopy migration failure.
Also it's necessary to solve shared memory issue
On 06/07/2017 03:56 PM, Juan Quintela wrote:
Alexey Perevalov <a.pereva...@samsung.com> wrote:
+static unsigned long get_copiedmap_size(RAMBlock *rb)
+{
+unsigned long pages;
+pages = rb->max_length >> find_first_bit((unsigned lo
functions are required in virtio.
Alexey Perevalov (2):
migration: postcopy_place_page factoring out
migration: add bitmap for copied page
include/exec/ram_addr.h | 3 +++
include/migration/migration.h | 3 +++
migration/postcopy-ram.c | 20 +++
migration/postcopy-ram.h
On 06/13/2017 02:42 PM, Juan Quintela wrote:
Alexey Perevalov <a.pereva...@samsung.com> wrote:
Hi
I think that it would make things clearer if we do a s/copied/received/
As what we are tracking here are the pages that have already been
received.
yes, sounds good
This patch adds a
after remmap).
Bitmap is placed into RAMBlock as another postcopy/precopy
related bitmaps.
copied bitmap is not releasing due to ramblocks is not releasing
too.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/exec/ram_addr.h | 3 +++
include/migration/migra
Need to mark copied pages as closer as possible to the place where it
tracks down. That will be necessary in futher patch.
Reviewed-by: Juan Quintela <quint...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 13
ad_cleanup
- new patch "migration: introduce qemu_ufd_copy_ioctl helper"
Patchset is based on Juan's patchset:
[PATCH v2 0/5] Create setup/cleanup methods for migration incoming side
Alexey Perevalov (3):
migration: postcopy_place_page factoring out
migration: introduce qemu_u
Just for placing auxilary operations inside helper,
auxilary operations like: track received pages,
notify about copying operation in futher patches.
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Reviewed-by: Peter Xu <pet...@redhat.com>
Signed-off-by: Alexey Pereval
Need to mark copied pages as closer as possible to the place where it
tracks down. That will be necessary in futher patch.
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Reviewed-by: Peter Xu <pet...@redhat.com>
Reviewed-by: Juan Quintela <quint...@redhat.com>
Sig
Reviewed-by: Juan Quintela <quint...@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migratio
This commit duplicates header of "userfaultfd: provide pid in userfault msg"
into linux kernel.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
linux-headers/linux/userfaultfd.h | 4
1 file changed, 4 insertions(+)
diff --git a/linux-headers/linux/userfa
com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.c | 9 +
migration/migration.h | 1 +
qapi-schema.json | 5 -
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index 56929dc..f9
On 06/16/2017 08:14 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
This patch adds ability to track down already received
pages, it's necessary for calculation vCPU block time in
postcopy migration feature, maybe for restore after
postcopy migration
when kernel supports it
- It doesn't send back the downtime, just trace it
This patch set is based on commit
[PATCH v3 0/3] Add bitmap for received pages in postcopy migration
Alexey Perevalov (8):
userfault: add pid into uffd_msg & update UFFD_FEATURE_*
migration: pass MigrationIncomin
ot;state\":
true } ] } }" | nc -U /var/lib/migrate-vm-monitor.sock
Or just with HMP
(qemu) migrate_set_capability postcopy-blocktime on
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.h| 8 ++
migration/postcopy-ram.c | 65 +
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
docs/devel/migration.txt | 10 ++
1 file changed, 10 insertions(+)
diff --git a/docs/devel/migration.txt b/docs/devel/migration.txt
index 1b940a8..4b
..@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 94
1 file changed, 88 insertions(+), 6 deletions(-)
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index b
page address as value and vCPU
as index. It helps to find proper vCPU at UFFD_COPY time. Also it keeps
list for blocktime per vCPU (could be traced with page_fault_addr)
Blocktime will not calculated if postcopy_blocktime field of
MigrationIncomingState wasn't initialized.
Signed-off-by: Alexey
is exists after remmap).
Bitmap is placed into RAMBlock as another postcopy/precopy
related bitmaps.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/exec/ram_addr.h | 3 +++
migration/migration.c| 1 +
migration/postcopy-ram.c | 12 ++---
migration/ram.c
On 06/16/2017 09:46 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
On 06/16/2017 08:14 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
This patch adds ability to track down already received
pages, it's necessary
That tiny refactoring is necessary to be able to set
UFFD_FEATURE_THREAD_ID while requesting features, and then
to create downtime context in case when kernel supports it.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.c| 3 ++-
migration/postcopy
On 06/13/2017 02:42 PM, Juan Quintela wrote:
Alexey Perevalov <a.pereva...@samsung.com> wrote:
Hi
I think that it would make things clearer if we do a s/copied/received/
As what we are tracking here are the pages that have already been
received.
This patch adds ability to track down a
On 06/14/2017 08:12 AM, Peter Xu wrote:
On Tue, Jun 13, 2017 at 12:36:33PM +0300, Alexey Perevalov wrote:
This patch adds ability to track down already copied
pages, it's necessary for calculation vCPU block time in
postcopy migration feature, maybe for restore after
postcopy migration failure
On 06/14/2017 09:53 AM, Peter Xu wrote:
On Wed, Jun 14, 2017 at 09:39:53AM +0300, Alexey Perevalov wrote:
On 06/14/2017 08:12 AM, Peter Xu wrote:
On Tue, Jun 13, 2017 at 12:36:33PM +0300, Alexey Perevalov wrote:
This patch adds ability to track down already copied
pages, it's necessary
On 06/16/2017 12:06 PM, Peter Xu wrote:
On Thu, Jun 15, 2017 at 07:36:15PM +0300, Alexey Perevalov wrote:
[...]
+void init_receivedmap(void)
+{
+RAMBlock *rb;
+
+RAMBLOCK_FOREACH(rb) {
+unsigned long pages;
+pages = rb->max_length >> TARGET_PAGE_BITS;
Nit
r"
Patchset is based on Juan's patchset:
[PATCH v2 0/5] Create setup/cleanup methods for migration incoming side
Alexey Perevalov (3):
migration: postcopy_place_page factoring out
migration: introduce qemu_ufd_copy_ioctl helper
migration: add bitmap for received page
include/exec
Need to mark copied pages as closer as possible to the place where it
tracks down. That will be necessary in futher patch.
Reviewed-by: Juan Quintela <quint...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 13
Just for placing auxilary operations inside helper,
auxilary operations like: track received pages,
notify about copying operation in futher patches.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 35 ++-
1 file c
is exists after remmap).
Bitmap is placed into RAMBlock as another postcopy/precopy
related bitmaps.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/exec/ram_addr.h | 2 ++
migration/postcopy-ram.c | 11 ---
migration/ram.c
On 06/13/2017 08:59 AM, Peter Xu wrote:
On Wed, Jun 07, 2017 at 12:46:34PM +0300, Alexey Perevalov wrote:
This patch adds ability to track down already copied
pages, it's necessary for calculation vCPU block time in
postcopy migration feature, maybe for restore after
postcopy migration failure
On 09/18/2017 02:15 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
This is 9th version.
The rationale for that idea is following:
vCPU could suspend during postcopy live migration until faulted
page is not copied into kernel. Downtime on source side it's
On 09/21/2017 02:57 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
This patch provides blocktime calculation per vCPU,
as a summary and as a overlapped value for all vCPUs.
This approach was suggested by Peter Xu, as an improvements of
previous approch
On 09/21/2017 03:33 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
Although it does have my R-b it might be worth adding some c
On 09/21/2017 01:16 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
This patch adds request to kernel space for UFFD_FEATURE_THREAD_ID,
in case when this feature is provided by kernel.
PostcopyBlocktimeContext is incapsulated inside postcopy-ram.c,
due
On 09/21/2017 03:42 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
Postcopy total blocktime is available on destination side only.
But query-migrate was possible only for source. This patch
adds ability to call query-migrate on destination.
To be able
On 09/20/2017 09:43 PM, Dr. David Alan Gilbert wrote:
* Alexey Perevalov (a.pereva...@samsung.com) wrote:
This commit adds modification for UFFD_FEATURE_SIGBUS and
UFFD_FEATURE_THREAD_ID.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
This should be replaced with just r
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
include/standard-headers/asm-x86/hyperv.h| 19 ++---
include/standard-headers/linux/pci_regs.h| 42
include/standard-headers/linux/virtio_ring.h | 4 +--
linux-headers/asm-s390
ime.
Based on a664607440511fdf8cff9d1c2afefbdbca1d1295
"Merge remote-tracking branch
'remotes/famz/tags/build-and-test-automation-pull-request' into staging"
Alexey Perevalov (1):
linux-headers: sync against v4.14-rc1
include/standard-headers/asm-x86/hyperv.h| 19 ++---
include/standard-headers/linu
This patch just requests blocktime calculation, but doesn't
add any facility to check or show it.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
tests/postcopy-test.c | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/tests/postcopy-test.c b
..@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 94
1 file changed, 88 insertions(+), 6 deletions(-)
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index a
ot;state\":
true } ] } }" | nc -U /var/lib/migrate-vm-monitor.sock
Or just with HMP
(qemu) migrate_set_capability postcopy-blocktime on
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.h| 8 ++
migration/postcopy-ram.c | 65 +
page address as value and vCPU
as index. It helps to find proper vCPU at UFFD_COPY time. Also it keeps
list for blocktime per vCPU (could be traced with page_fault_addr)
Blocktime will not calculated if postcopy_blocktime field of
MigrationIncomingState wasn't initialized.
Signed-off-by: Alexey
Reviewed-by: Juan Quintela <quint...@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migratio
This is 10th version.
The rationale for that idea is following:
vCPU could suspend during postcopy live migration until faulted
page is not copied into kernel. Downtime on source side it's a value -
time interval since source turn vCPU off, till destination start runnig
vCPU. But that value was
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
docs/devel/migration.txt | 10 ++
1 file changed, 10 insertions(+)
diff --git a/docs/devel/migration.txt b/docs/devel/migration.txt
index 1b940a8..4b
This commit adds modification for UFFD_FEATURE_SIGBUS and
UFFD_FEATURE_THREAD_ID.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
linux-headers/linux/userfaultfd.h | 16 +++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/linux-headers/linux/userfau
That tiny refactoring is necessary to be able to set
UFFD_FEATURE_THREAD_ID while requesting features, and then
to create downtime context in case when kernel supports it.
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.c| 3 ++-
migration/postcopy
com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.c | 9 +
migration/migration.h | 1 +
qapi/migration.json | 5 -
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index e820d47..4f
wback, it combines states of incoming and
outgoing migration. Ongoing migration state will overwrite incoming
state. Looks like better to separate query-migrate for incoming and
outgoing migration or add parameter to indicate type of migration.
Reviewed-by: Dr. David Alan Gilbert <dgilb...@
Hello Maxime
On 09/01/2017 04:42 PM, Maxime Coquelin wrote:
Hello Alexey,
On 09/01/2017 03:34 PM, Alexey Perevalov wrote:
Hello David,
You wrote in previous version:
We've had a postcopy migrate work now, with a few hacks we're still
cleaning up, both on vhost-user-bridge and dpdk; so I'll
FEATURE_THREAD_ID is requesting only when kernel supports it
- It doesn't send back the downtime, just trace it
This patch set is based on commit
[PATCH v10 0/3] Add bitmap for received pages in postcopy migration
Both patch sets were rebased on
commit d147f7e815f97cb477e223586bcb80c316ae10e
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
docs/devel/migration.txt | 13 +
1 file changed, 13 insertions(+)
diff --git a/docs/devel/migration.txt b/docs/devel/migration.txt
index 4030703..ce
com>
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/migration.c | 9 +
migration/migration.h | 1 +
qapi/migration.json | 5 -
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index 98429dc..71
wback, it combines states of incoming and
outgoing migration. Ongoing migration state will overwrite incoming
state. Looks like better to separate query-migrate for incoming and
outgoing migration or add parameter to indicate type of migration.
Reviewed-by: Dr. David Alan Gilbert <dgilb...@
page address as value and vCPU
as index. It helps to find proper vCPU at UFFD_COPY time. Also it keeps
list for blocktime per vCPU (could be traced with page_fault_addr)
Blocktime will not calculated if postcopy_blocktime field of
MigrationIncomingState wasn't initialized.
Signed-off-by: Alexey
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