1. Refactor multifd_send_thread function.
2. Introduce the batch task structure in MultiFDSendParams.
Signed-off-by: Hao Xiang
---
include/qemu/dsa.h | 51 +++--
migration/multifd.c | 5 +
migration/multifd.h | 2 ++
util/dsa.c | 51
* Add a DSA task completion callback.
* DSA completion thread will call the tasks's completion callback
on every task/batch task completion.
* DSA submission path to wait for completion.
* Implement CPU fallback if DSA is not able to complete the task.
Signed-off-by: Hao Xiang
Signed-o
sender thread submits a batch of pages to DSA
hardware and waits for the DSA completion thread to signal for work
completion.
Signed-off-by: Hao Xiang
---
migration/multifd-zero-page.c | 99 +--
migration/multifd.c | 27 +-
migration/multifd.h
* Use a safe thread queue for DSA task enqueue/dequeue.
* Implement DSA task submission.
* Implement DSA batch task submission.
Signed-off-by: Hao Xiang
---
include/qemu/dsa.h | 28 +++
util/dsa.c | 201 +
2 files changed, 229 insertions
* DSA device open and close.
* DSA group contains multiple DSA devices.
* DSA group configure/start/stop/clean.
Signed-off-by: Hao Xiang
Signed-off-by: Bryan Zhang
---
include/qemu/dsa.h | 72 +++
util/dsa.c | 316 +
util/meson.build
:
1. Added unit tests for cover the added code path in dsa.c
2. Added integration tests to cover multifd live migration using DSA
offloading.
* Patchset
Apply this patchset on top of commit
85b597413d4370cb168f711192eaef2eb70535ac
Hao Xiang (14):
meson: Introduce new instruction set enqcmd to the bu
The current multifd packet size is 128 * 4kb. This change adds
an option to set the packet size. Both sender and receiver needs
to set the same packet size for things to work.
Signed-off-by: Hao Xiang
---
migration/options.c | 36
migration/options.h | 1
Idxd is the device driver for DSA (Intel Data Streaming
Accelerator). The driver is fully functioning since Linux
kernel 5.19. This change adds the driver's header file used
for userspace development.
Signed-off-by: Hao Xiang
---
linux-headers/linux/idxd.h
Intel DSA offloading is an optional feature that turns on if
proper hardware and software stack is available. To turn on
DSA offloading in multifd live migration:
multifd-dsa-accel="[dsa_dev_path1] [dsa_dev_path2] ... [dsa_dev_pathX]"
This feature is turned off by default.
Signed-o
packet size is useful for performance tuning.
Set the option:
migrate_set_parameter multifd-packet-size 4190208
Signed-off-by: Hao Xiang
---
migration/migration-hmp-cmds.c | 7 +++
migration/multifd-zlib.c | 6 --
migration/multifd-zstd.c | 6 --
migration/multifd.c
* Add test case to start and complete multifd live migration with DSA
offloading enabled.
* Add test case to start and cancel multifd live migration with DSA
offloading enabled.
Signed-off-by: Bryan Zhang
Signed-off-by: Hao Xiang
---
tests/qtest/migration-test.c | 77
n checking.
Signed-off-by: Hao Xiang
---
include/qemu/dsa.h | 1 +
util/dsa.c | 274 -
2 files changed, 274 insertions(+), 1 deletion(-)
diff --git a/include/qemu/dsa.h b/include/qemu/dsa.h
index 37cae8d9d2..2513192a2b 100644
--- a/include/qemu/d
* Test DSA start and stop path.
* Test DSA configure and cleanup path.
* Test DSA task submission and completion path.
Signed-off-by: Bryan Zhang
Signed-off-by: Hao Xiang
---
tests/unit/meson.build | 6 +
tests/unit/test-dsa.c | 499 +
2 files changed
Enable instruction set enqcmd in build.
Signed-off-by: Hao Xiang
---
meson.build | 14 ++
meson_options.txt | 2 ++
scripts/meson-buildoptions.sh | 3 +++
3 files changed, 19 insertions(+)
diff --git a/meson.build b/meson.build
index 95cee7046e
at least two individual
tasks. There are times we need to submit a single task and hence a
single DSA task submission is also required.
Signed-off-by: Hao Xiang
Signed-off-by: Bryan Zhang
---
include/qemu/dsa.h | 18
util/dsa.c | 247 +
2
--+
|multifd-4-threads | 4143 |
++
Apply this patchset on top of commit
7489f7f3f81dcb776df8c1b9a9db281fc21bf05f
Fabiano Rosas (2):
migration/multifd: Allow zero pages in file migration
migration/multifd: Allow clearing of the file_bmap from
March 11, 2024 at 6:20 AM, "Peter Xu" wrote:
>
> On Sat, Mar 09, 2024 at 02:06:33AM +, hao.xi...@linux.dev wrote:
>
> >
> > > @@ -1122,10 +1122,6 @@ static int save_zero_page(RAMState *rs,
> > > PageSearchStatus *pss,
> >
> > > QEMUFile *file = pss->pss_channel;
> >
> > > int len =
From: Fabiano Rosas
Currently, it's an error to have no data pages in the multifd file
migration because zero page detection is done in the migration thread
and zero pages don't reach multifd. This is enforced with the
pages->num assert.
We're about to add zero page detection on the multifd thre
From: Hao Xiang
1. Add a dedicated handler for MigrationOps::ram_save_target_page in
multifd live migration.
2. Refactor ram_save_target_page_legacy so that the legacy and multifd
handlers don't have internal functions calling into each other.
Signed-off-by: Hao Xiang
Reviewed-by: Fa
From: Hao Xiang
1. Set default "zero-page-detection" option to "multifd". Now
zero page checking can be done in the multifd threads and this
becomes the default configuration.
2. Handle migration QEMU9.0 -> QEMU8.2 compatibility. We provide
backward compatibility where zer
From: Hao Xiang
Now that zero page checking is done on the multifd sender threads by
default, we still provide an option for backward compatibility. This
change adds a qtest migration test case to set the zero-page-detection
option to "legacy" and run multifd migration with zero page c
From: Hao Xiang
This new parameter controls where the zero page checking is running.
1. If this parameter is set to 'legacy', zero page checking is
done in the migration main thread.
2. If this parameter is set to 'none', zero page checking is disabled.
Signed-off-by: Ha
From: Fabiano Rosas
We currently only need to clear the mapped-ram file bitmap from the
migration thread during save_zero_page.
We're about to add support for zero page detection on the multifd
thread, so allow ramblock_set_file_bmap_atomic() to also clear the
bits.
Signed-off-by: Fabiano Rosas
From: Hao Xiang
1. Add zero_pages field in MultiFDPacket_t.
2. Implements the zero page detection and handling on the multifd
threads for non-compression, zlib and zstd compression backends.
3. Added a new value 'multifd' in ZeroPageDetection enumeration.
4. Adds zero page counters a
>
> On Sun, Mar 3, 2024 at 11:34 PM Peter Xu wrote:
>
> >
> > On Fri, Mar 01, 2024 at 02:28:29AM +, Hao Xiang wrote:
> >
> > Add myself to maintain multifd zero page checking acceleration function.
> >
> > Signed-off-by: Hao X
>
> On Mon, Mar 4, 2024 at 10:24 AM Fabiano Rosas wrote:
>
>
>
>
>
> Fabiano Rosas writes:
>
>
>
> Peter Xu writes:
>
>
>
> On Fri, Mar 01, 2024 at 02:28:24AM +, Hao Xiang wrote:
>
>
>
> -GlobalProperty hw_c
From: Hao Xiang
This new parameter controls where the zero page checking is running.
1. If this parameter is set to 'legacy', zero page checking is
done in the migration main thread.
2. If this parameter is set to 'none', zero page checking is disabled.
Signed-off-by: Ha
From: Hao Xiang
1. Set default "zero-page-detection" option to "multifd". Now
zero page checking can be done in the multifd threads and this
becomes the default configuration.
2. Handle migration QEMU9.0 -> QEMU8.2 compatibility. We provide
backward compatibility where zer
From: Hao Xiang
v5 update:
* Move QEMU9.0 -> QEMU8.2 migration backward compatibility handling into
the patch where "multifd" zero page checking becomes the default option.
* A few function renaming according to feedback.
* Fix bug in multifd_send_zero_page_detect.
* Rebase on the n
From: Fabiano Rosas
We currently only need to clear the mapped-ram file bitmap from the
migration thread during save_zero_page.
We're about to add support for zero page detection on the multifd
thread, so allow ramblock_set_file_bmap_atomic() to also clear the
bits.
Signed-off-by: Fabiano Rosas
From: Hao Xiang
Now that zero page checking is done on the multifd sender threads by
default, we still provide an option for backward compatibility. This
change adds a qtest migration test case to set the zero-page-detection
option to "legacy" and run multifd migration with zero page c
From: Hao Xiang
1. Add zero_pages field in MultiFDPacket_t.
2. Implements the zero page detection and handling on the multifd
threads for non-compression, zlib and zstd compression backends.
3. Added a new value 'multifd' in ZeroPageDetection enumeration.
4. Adds zero page counters a
From: Hao Xiang
1. Add a dedicated handler for MigrationOps::ram_save_target_page in
multifd live migration.
2. Refactor ram_save_target_page_legacy so that the legacy and multifd
handlers don't have internal functions calling into each other.
Signed-off-by: Hao Xiang
Reviewed-by: Fa
From: Fabiano Rosas
Currently, it's an error to have no data pages in the multifd file
migration because zero page detection is done in the migration thread
and zero pages don't reach multifd. This is enforced with the
pages->num assert.
We're about to add zero page detection on the multifd thre
>
> On Thu, Feb 29, 2024 at 11:40 PM Markus Armbruster wrote:
>
> >
> > Hao Xiang writes:
> >
> > This change extends the MigrationStatus interface to track zero pages
> >
> > and zero bytes counter.
> >
> > Signed-off-b
>
> On Sun, Mar 3, 2024 at 11:16 PM Peter Xu wrote:
>
> >
> > On Fri, Mar 01, 2024 at 02:28:24AM +, Hao Xiang wrote:
> >
> > -GlobalProperty hw_compat_8_2[] = {};
> >
> > +GlobalProperty hw_compat_8_2[] = {
> >
&
>
> On Sun, Mar 3, 2024 at 11:46 PM Peter Xu wrote:
>
> >
> > On Fri, Mar 01, 2024 at 02:28:25AM +, Hao Xiang wrote:
> >
> > 1. Add a dedicated handler for MigrationOps::ram_save_target_page in
> >
> > multifd live migration.
> >
&
>
> On Fri, Mar 8, 2024 at 2:11 AM Jonathan Cameron
>
> wrote:
>
> >
> > On Thu, 4 Jan 2024 00:44:43 +
> >
> > Hao Xiang wrote:
> >
> > * Add a DSA task completion callback.
> >
> > * DSA completion thread will call the
On Thu, Feb 29, 2024 at 11:28 PM Markus Armbruster wrote:
>
> Hao Xiang writes:
>
> > 1. Add zero_pages field in MultiFDPacket_t.
> > 2. Implements the zero page detection and handling on the multifd
> > threads for non-compression, zlib and zstd compression backend
1. Add a dedicated handler for MigrationOps::ram_save_target_page in
multifd live migration.
2. Refactor ram_save_target_page_legacy so that the legacy and multifd
handlers don't have internal functions calling into each other.
Signed-off-by: Hao Xiang
Reviewed-by: Fabiano Rosas
Messa
migration main thread.
Signed-off-by: Hao Xiang
---
tests/qtest/migration-test.c | 52
1 file changed, 52 insertions(+)
diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 83512bce85..8a966364b5 100644
--- a/tests/qtest/migration-te
+
|multifd-1-threads | 6182 |
++
|multifd-2-threads | 4643 |
++
|multifd-4-threads | 4143 |
+--------+
Apply this patchset on top of commit
c0c6a0e3528b88aaad0b9d333e295707a195587b
Hao
This new parameter controls where the zero page checking is running.
1. If this parameter is set to 'legacy', zero page checking is
done in the migration main thread.
2. If this parameter is set to 'none', zero page checking is disabled.
Signed-off-by: Hao Xiang
---
hw/
patibility.
5. Adds zero page counters and updates multifd send/receive tracing
format to track the newly added counters.
Signed-off-by: Hao Xiang
---
hw/core/machine.c| 4 +-
hw/core/qdev-properties-system.c | 2 +-
migration/meson.build| 1 +
migration/multifd-zero-p
This change extends the MigrationStatus interface to track zero pages
and zero bytes counter.
Signed-off-by: Hao Xiang
---
migration/migration-hmp-cmds.c | 4
migration/migration.c | 2 ++
qapi/migration.json | 15 ++-
tests/migration
Add myself to maintain multifd zero page checking acceleration function.
Signed-off-by: Hao Xiang
---
MAINTAINERS | 5 +
1 file changed, 5 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 65dfdc9677..b547918e4d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3414,6 +3414,11 @@ F
Set default "zero-page-detection" option to "multifd". Now zero page
checking can be done in the multifd threads and this becomes the
default configuration. We still provide backward compatibility
where zero page checking is done from the migration main thread.
Sign
On Wed, Feb 28, 2024 at 11:46 AM Fabiano Rosas wrote:
>
> Hao Xiang writes:
>
> > 1. Add zero_pages field in MultiFDPacket_t.
> > 2. Implements the zero page detection and handling on the multifd
> > threads for non-compression, zlib and zstd compression backend
On Thu, Feb 29, 2024 at 7:47 AM Fabiano Rosas wrote:
>
> Markus Armbruster writes:
>
> > Hao Xiang writes:
> >
> >> On Wed, Feb 28, 2024 at 1:50 AM Markus Armbruster
> >> wrote:
> >>>
> >>> Hao Xiang writes:
> >>>
&g
On Wed, Feb 28, 2024 at 10:01 PM Markus Armbruster wrote:
>
> Hao Xiang writes:
>
> > On Wed, Feb 28, 2024 at 1:52 AM Markus Armbruster wrote:
> >>
> >> Hao Xiang writes:
> >>
> >> > This change extends the MigrationStatus inter
On Wed, Feb 28, 2024 at 1:50 AM Markus Armbruster wrote:
>
> Hao Xiang writes:
>
> > 1. Add zero_pages field in MultiFDPacket_t.
> > 2. Implements the zero page detection and handling on the multifd
> > threads for non-compression, zlib and zstd compression backend
On Wed, Feb 28, 2024 at 1:52 AM Markus Armbruster wrote:
>
> Hao Xiang writes:
>
> > This change extends the MigrationStatus interface to track zero pages
> > and zero bytes counter.
> >
> > Signed-off-by: Hao Xiang
>
> [...]
>
> > diff -
On Wed, Feb 28, 2024 at 1:43 AM Markus Armbruster wrote:
>
> Hao Xiang writes:
>
> > This new parameter controls where the zero page checking is running.
> > 1. If this parameter is set to 'legacy', zero page checking is
> > done in the migration main threa
Add myself to maintain multifd zero page checking acceleration function.
Signed-off-by: Hao Xiang
---
MAINTAINERS | 5 +
1 file changed, 5 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 992799171f..4a4f8f24e0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3413,6 +3413,11 @@ F
patibility.
5. Adds zero page counters and updates multifd send/receive tracing
format to track the newly added counters.
Signed-off-by: Hao Xiang
---
hw/core/machine.c| 4 +-
hw/core/qdev-properties-system.c | 2 +-
migration/meson.build| 1 +
migration/multifd-zero-p
+
|main-thread| 9629 |
++
|multifd-1-threads | 6182 |
++
|multifd-2-threads | 4643 |
++
|multifd-4-threads | 4143 |
+-----
This change extends the MigrationStatus interface to track zero pages
and zero bytes counter.
Signed-off-by: Hao Xiang
---
migration/migration-hmp-cmds.c | 4
migration/migration.c | 2 ++
qapi/migration.json | 15 ++-
tests/migration
1. Add a dedicated handler for MigrationOps::ram_save_target_page in
multifd live migration.
2. Refactor ram_save_target_page_legacy so that the legacy and multifd
handlers don't have internal functions calling into each other.
Signed-off-by: Hao Xiang
---
migration/ram.c
migration main thread.
Signed-off-by: Hao Xiang
---
tests/qtest/migration-test.c | 52
1 file changed, 52 insertions(+)
diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 8a5bb1752e..65b531d871 100644
--- a/tests/qtest/migration-te
Set default "zero-page-detection" option to "multifd". Now zero page
checking can be done in the multifd threads and this becomes the
default configuration. We still provide backward compatibility
where zero page checking is done from the migration main thread.
Sign
This new parameter controls where the zero page checking is running.
1. If this parameter is set to 'legacy', zero page checking is
done in the migration main thread.
2. If this parameter is set to 'none', zero page checking is disabled.
Signed-off-by: Hao Xiang
---
hw/
On Sun, Feb 25, 2024 at 11:19 PM Wang, Lei wrote:
>
> On 2/17/2024 6:39, Hao Xiang wrote:
> > This new parameter controls where the zero page checking is running.
> > 1. If this parameter is set to 'legacy', zero page checking is
> > done in the migration main t
On Thu, Feb 22, 2024 at 10:02 PM Hao Xiang wrote:
>
> On Thu, Feb 22, 2024 at 6:33 PM Peter Xu wrote:
> >
> > On Wed, Feb 21, 2024 at 06:06:19PM -0300, Fabiano Rosas wrote:
> > > Hao Xiang writes:
> > >
> > > > This change adds a dedicated handler
On Thu, Feb 22, 2024 at 9:15 PM Hao Xiang wrote:
>
> On Thu, Feb 22, 2024 at 6:21 PM Peter Xu wrote:
> >
> > On Wed, Feb 21, 2024 at 06:04:10PM -0300, Fabiano Rosas wrote:
> > > Hao Xiang writes:
> > >
> > > > 1. Implements the zero page detection
On Thu, Feb 22, 2024 at 8:38 PM Hao Xiang wrote:
>
> On Fri, Feb 16, 2024 at 9:08 PM Richard Henderson
> wrote:
> >
> > On 2/16/24 12:39, Hao Xiang wrote:
> > > +void multifd_zero_page_check_recv(MultiFDRecvParams *p)
> > > +{
> &
On Thu, Feb 22, 2024 at 6:33 PM Peter Xu wrote:
>
> On Wed, Feb 21, 2024 at 06:06:19PM -0300, Fabiano Rosas wrote:
> > Hao Xiang writes:
> >
> > > This change adds a dedicated handler for
> > > MigrationOps::ram_save_target_page in
> >
> > nit:
On Wed, Feb 21, 2024 at 1:06 PM Fabiano Rosas wrote:
>
> Hao Xiang writes:
>
> > This change adds a dedicated handler for MigrationOps::ram_save_target_page
> > in
>
> nit: Add a dedicated handler...
>
> Usually "this patch/change" is used only wh
On Wed, Feb 21, 2024 at 8:11 AM Elena Ufimtseva wrote:
>
>
>
> On Fri, Feb 16, 2024 at 2:42 PM Hao Xiang wrote:
>>
>> This change adds a dedicated handler for MigrationOps::ram_save_target_page
>> in
>> multifd live migration. Now zero page checking can be do
On Wed, Feb 21, 2024 at 1:04 PM Fabiano Rosas wrote:
>
> Hao Xiang writes:
>
> > 1. Implements the zero page detection and handling on the multifd
> > threads for non-compression, zlib and zstd compression backends.
> > 2. Added a new value 'multifd' in Zero
On Thu, Feb 22, 2024 at 6:21 PM Peter Xu wrote:
>
> On Wed, Feb 21, 2024 at 06:04:10PM -0300, Fabiano Rosas wrote:
> > Hao Xiang writes:
> >
> > > 1. Implements the zero page detection and handling on the multifd
> > > threads for non-compression, zlib an
On Wed, Feb 21, 2024 at 8:00 AM Elena Ufimtseva wrote:
>
>
>
> On Fri, Feb 16, 2024 at 2:42 PM Hao Xiang wrote:
>>
>> 1. Implements the zero page detection and handling on the multifd
>> threads for non-compression, zlib and zstd compression backends.
>&g
On Fri, Feb 16, 2024 at 9:08 PM Richard Henderson
wrote:
>
> On 2/16/24 12:39, Hao Xiang wrote:
> > +void multifd_zero_page_check_recv(MultiFDRecvParams *p)
> > +{
> > +for (int i = 0; i < p->zero_num; i++) {
> > +void *page = p->host + p->
On Wed, Feb 21, 2024 at 5:58 AM Elena Ufimtseva wrote:
>
>
>
> On Fri, Feb 16, 2024 at 2:41 PM Hao Xiang wrote:
>>
>> This new parameter controls where the zero page checking is running.
>> 1. If this parameter is set to 'legacy', zero page checking is
&g
On Wed, Feb 21, 2024 at 4:03 AM Markus Armbruster wrote:
>
> Hao Xiang writes:
>
> > This new parameter controls where the zero page checking is running.
> > 1. If this parameter is set to 'legacy', zero page checking is
> > done in the migration main threa
On Wed, Feb 21, 2024 at 12:59 PM Fabiano Rosas wrote:
>
> Hao Xiang writes:
>
> > Now that zero page checking is done on the multifd sender threads by
> > default, we still provide an option for backward compatibility. This
> > change adds a qtest migration tes
On Wed, Feb 21, 2024 at 7:37 AM Elena Ufimtseva wrote:
>
>
>
> On Fri, Feb 16, 2024 at 2:41 PM Hao Xiang wrote:
>>
>> This change adds zero page counters and updates multifd send/receive
>> tracing format to track the newly added counters.
>>
>> Sign
Add myself to maintain multifd zero page checking acceleration function.
Signed-off-by: Hao Xiang
---
MAINTAINERS | 5 +
1 file changed, 5 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index a24c2b51b6..3ca407cb58 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3403,6 +3403,11 @@ F
This change extends the MigrationStatus interface to track zero pages
and zero bytes counter.
Signed-off-by: Hao Xiang
---
migration/migration-hmp-cmds.c | 4
migration/migration.c | 2 ++
qapi/migration.json | 15 ++-
tests/migration
main thread.
Signed-off-by: Hao Xiang
---
migration/multifd.c | 1 +
migration/options.c | 2 +-
migration/ram.c | 53 ++---
3 files changed, 42 insertions(+), 14 deletions(-)
diff --git a/migration/multifd.c b/migration/multifd.c
index fbb40ea10b
This change adds zero page counters and updates multifd send/receive
tracing format to track the newly added counters.
Signed-off-by: Hao Xiang
---
migration/multifd.c| 43 ++
migration/multifd.h| 21 -
migration/ram.c
---+
|multifd-2-threads | 4643 |
++
|multifd-4-threads | 4143 |
++
Apply this patchset on top of commit
5767815218efd3cbfd409505ed824d5f356044ae
Hao Xiang (7):
migration/multifd: Add new migration option zer
.
Signed-off-by: Hao Xiang
---
migration/meson.build | 1 +
migration/multifd-zero-page.c | 59 +++
migration/multifd-zlib.c | 26 ---
migration/multifd-zstd.c | 25 ---
migration/multifd.c
migration main thread.
Signed-off-by: Hao Xiang
---
tests/qtest/migration-test.c | 52
1 file changed, 52 insertions(+)
diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 8a5bb1752e..c27083110a 100644
--- a/tests/qtest/migration-te
This new parameter controls where the zero page checking is running.
1. If this parameter is set to 'legacy', zero page checking is
done in the migration main thread.
2. If this parameter is set to 'none', zero page checking is disabled.
Signed-off-by: Hao Xiang
---
hw/
On Fri, Feb 9, 2024 at 4:20 AM Fabiano Rosas wrote:
>
> Hao Xiang writes:
>
> > On Fri, Feb 2, 2024 at 2:30 AM wrote:
> >>
> >> From: Peter Xu
> >>
> >> This array is redundant when p->pages exists. Now we extended the life of
> >
On Fri, Feb 2, 2024 at 2:30 AM wrote:
>
> From: Peter Xu
>
> This array is redundant when p->pages exists. Now we extended the life of
> p->pages to the whole period where pending_job is set, it should be safe to
> always use p->pages->offset[] rather than p->normal[]. Drop the array.
>
> Along
On Tue, Feb 6, 2024 at 8:25 PM Peter Xu wrote:
>
> On Tue, Feb 06, 2024 at 11:19:05PM +0000, Hao Xiang wrote:
> > diff --git a/migration/multifd.c b/migration/multifd.c
> > index 25cbc6dc6b..a20d0ed10e 100644
> > --- a/migration/multifd.c
> > +++ b/migration/
riginal Message-
> > From: Peter Xu
> > Sent: Wednesday, February 7, 2024 4:10 PM
> > To: Bryan Zhang ; Hao Xiang
> > ; Liu, Yuan1
> > Cc: Fabiano Rosas ; QEMU Devel Mailing List > de...@nongnu.org>
> > Subject: Regarding to the recent Intel IAA/DSA/QAT
On Tue, Feb 6, 2024 at 7:45 PM Peter Xu wrote:
>
> On Tue, Feb 06, 2024 at 11:19:03PM +0000, Hao Xiang wrote:
> > diff --git a/qapi/migration.json b/qapi/migration.json
> > index 819708321d..ff033a0344 100644
> > --- a/qapi/migration.json
> > +++ b/qapi/migrat
On Tue, Feb 6, 2024 at 7:39 PM Peter Xu wrote:
>
> On Tue, Feb 06, 2024 at 11:19:02PM +0000, Hao Xiang wrote:
> > This patchset is based on Juan Quintela's old series here
> > https://lore.kernel.org/all/20220802063907.18882-1-quint...@redhat.com/
> >
> >
On Wed, Feb 7, 2024 at 12:41 AM Jiri Denemark wrote:
>
> On Wed, Feb 07, 2024 at 12:37:15 +0800, Peter Xu wrote:
> > On Wed, Feb 07, 2024 at 12:13:10PM +0800, Peter Xu wrote:
> > > On Tue, Feb 06, 2024 at 11:19:04PM +, Hao Xiang wrote:
> > > > This change exte
This implements the zero page detection and handling on the multifd
threads.
Signed-off-by: Hao Xiang
---
migration/multifd.c | 62 +
migration/multifd.h | 5
2 files changed, 62 insertions(+), 5 deletions(-)
diff --git a/migration/multifd.c b
This change adds zero page counters and updates multifd send/receive
tracing format to track the newly added counters.
Signed-off-by: Hao Xiang
---
migration/migration-hmp-cmds.c | 4
migration/multifd.c| 43 ++
migration/multifd.h
thread.
Signed-off-by: Hao Xiang
---
tests/qtest/migration-test.c | 26 ++
1 file changed, 26 insertions(+)
diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 7675519cfa..2c13df04c3 100644
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest
main thread.
Signed-off-by: Hao Xiang
---
migration/multifd.c | 3 ++-
migration/ram.c | 49 -
2 files changed, 42 insertions(+), 10 deletions(-)
diff --git a/migration/multifd.c b/migration/multifd.c
index c031f947c7..c6833ccb07 100644
--- a
This change extends the MigrationStatus interface to track zero pages
and zero bytes counter.
Signed-off-by: Hao Xiang
---
qapi/migration.json | 15 ++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/qapi/migration.json b/qapi/migration.json
index ff033a0344
This new parameter controls where the zero page checking is running. If
this parameter is set to true, zero page checking is done in the multifd
sender threads. If this parameter is set to false, zero page checking is
done in the migration main thread.
Signed-off-by: Hao Xiang
---
migration
reads | 4643 | 21.53GB/s |
+--+
|multifd-4-threads | 4143 | 24.13GB/s |
+--+
Apply this patchset on top of commit
39a6e4f87e7b75a45b08d6dc8b8b7c2954c87440
Hao Xiang (6):
migration/multifd: Ad
On Wed, Jan 31, 2024 at 9:22 PM Peter Xu wrote:
>
> On Thu, Jan 04, 2024 at 12:44:35AM +0000, Hao Xiang wrote:
> > From: Juan Quintela
> >
> > This implements the zero page dection and handling.
> >
> > Signed-off-by: Juan Quintela
&
On Wed, Jan 31, 2024 at 9:24 PM Peter Xu wrote:
>
> On Thu, Jan 04, 2024 at 12:44:47AM +0000, Hao Xiang wrote:
> > +# @multifd-normal-page-ratio: Test hook setting the normal page ratio.
> > +# (Since 8.2)
>
> Please remember to touch all of them to 9.0 when re
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