From: Hyman Huang(黄勇)
Save the acked_features once it be configured by guest
virtio driver so it can't miss any features.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
hw/net/vhost_net.c | 9 +
hw/net/virtio-net.c | 5 +
include/net/vhost_net.h | 2 ++
3 file
From: Hyman Huang(黄勇)
Abstract vhost acked features saving into
vhost_user_save_acked_features, export it as util function.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
include/net/vhost-user.h | 2 ++
net/vhost-user.c | 35 +++
2 files c
From: Hyman Huang(黄勇)
Abstract vhost acked features saving into
vhost_user_save_acked_features, export it as util function.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
include/net/vhost-user.h | 2 ++
net/vhost-user.c | 29 ++---
2 files changed
From: Hyman Huang(黄勇)
Save the acked_features once it be configured by guest
virtio driver so it can't miss any features.
Note that this patch also change the features saving logic
in chr_closed_bh, which originally backup features no matter
whether the features are 0 or not, but now do it only
From: Hyman Huang(黄勇)
v3:
-rebase on master
-code clean on [PATCH v2 1/2]: keep the commit self-consistent and
do not modify the logic of saving acked_features. Just abstract the
util function.
-modify the [PATCH v2 2/2] logic: change the behavior of saving
acked_features in chr_closed_bh: sav
From: Hyman Huang(黄勇)
v5:
-fix the assert statement in [PATCH v4 3/3], reported by
xiangdong.
v4:
-rebase on master
-add stub function to fix build errors
-code clean on [PATCH v2 1/2]: drop 'cleanup' parameter in
vhost_user_save_acked_features.
-code clean on [PATCH v2 2/2]: make refactor of
From: Hyman Huang(黄勇)
Use vhost_user_save_acked_features to implemente acked features
saving.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
net/vhost-user.c | 6 +-
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/net/vhost-user.c b/net/vhost-user.c
index 40a2fe8.
From: Hyman Huang(黄勇)
Abstract vhost acked features saving into
vhost_user_save_acked_features, export it as util function.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
include/net/vhost-user.h | 1 +
net/vhost-user.c | 21 +++--
2 files changed, 16 inse
From: Hyman Huang(黄勇)
This patch aims to fix unexpected negotiation features for
vhost-user netdev interface.
When openvswitch reconnect Qemu after an unexpected disconnection
and Qemu therefore start the vhost_dev, acked_features field in
vhost_dev is initialized with value fetched from acked_f
From: Hyman Huang(黄勇)
v5(resend):
-rebase on master
v5:
-fix the assert statement in [PATCH v4 3/3], reported by
xiangdong.
v4:
-rebase on master
-add stub function to fix build errors
-code clean on [PATCH v2 1/2]: drop 'cleanup' parameter in
vhost_user_save_acked_features.
-code clean on [
From: Hyman Huang(黄勇)
Abstract vhost acked features saving into
vhost_user_save_acked_features, export it as util function.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
include/net/vhost-user.h | 1 +
net/vhost-user.c | 21 +++--
2 files changed, 16 inse
From: Hyman Huang(黄勇)
Use vhost_user_save_acked_features to implemente acked features
saving.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
net/vhost-user.c | 6 +-
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/net/vhost-user.c b/net/vhost-user.c
index f5cb095.
From: Hyman Huang(黄勇)
This patch aims to fix unexpected negotiation features for
vhost-user netdev interface.
When openvswitch reconnect Qemu after an unexpected disconnection
and Qemu therefore start the vhost_dev, acked_features field in
vhost_dev is initialized with value fetched from acked_f
From: Hyman Huang(黄勇)
v6:
-rebase on master
-fix the compling issue
vhost_user_save_acked_features symbol only exists when
"vhost-user" be configured. Add MACRO statement before
calling vhost_user_save_acked_features.
Thanks Michael for pointing out that issue in time.
Please review,
Yong
From: Hyman Huang(黄勇)
Abstract vhost acked features saving into
vhost_user_save_acked_features, export it as util function.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
include/net/vhost-user.h | 1 +
net/vhost-user.c | 21 +++--
2 files changed, 16 inse
From: Hyman Huang(黄勇)
This patch aims to fix unexpected negotiation features for
vhost-user netdev interface.
When openvswitch reconnect Qemu after an unexpected disconnection
and Qemu therefore start the vhost_dev, acked_features field in
vhost_dev is initialized with value fetched from acked_f
From: Hyman Huang(黄勇)
Use vhost_user_save_acked_features to implemente acked features
saving.
Signed-off-by: Hyman Huang(黄勇)
Signed-off-by: Guoyi Tu
---
net/vhost-user.c | 6 +-
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/net/vhost-user.c b/net/vhost-user.c
index f5cb095.
From: Hyman Huang(黄勇)
Add dirty page rate limit test if kernel support dirty ring,
create a standalone file to implement the test case.
Signed-off-by: Hyman Huang(黄勇)
---
tests/qtest/dirtylimit-test.c | 288 ++
tests/qtest/meson.build | 2 +
2 fi
From: Hyman Huang(黄勇)
Dirtylimit qtest can reuse the mechanisms that have been
implemented by migration-test to start a vm, so export the
relevant util functions.
Signed-off-by: Hyman Huang(黄勇)
---
tests/qtest/migration-helpers.c | 95 +
tests/qtest/migrati
From: Hyman Huang(黄勇)
This patchset is dirtylimit qtest and plan to be a supplement
for patch series "support dirty restraint on vCPU".
Dirtylimit qtest use the existing bootsect in tests/migration/i386
to start test vm. The x86.bootsect repeatedly increments the
first byte of each page in a 100
From: Hyman Huang(黄勇)
Introduce cpu_list_generation_id to track cpu list generation so
that cpu hotplug/unplug can be detected during measurement of
dirty page rate.
cpu_list_generation_id could be used to detect changes of cpu
list, which is prepared for dirty page rate measurement.
Signed-off
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty page
rate limit.
Add dirtylimit.c to implement dirtyrate calculation periodly,
which will be used for dirty page rate limit.
Add dirtylimit.h to export util functions
From: Hyman Huang(黄勇)
v19
- rebase on master and fix conflicts
- add test case for dirty page rate limit
Ping.
Adding an test case and hope it can be merged along with previous
patchset by the way.
Please review. Thanks,
Regards
Yong
v18
- squash commit "Ignore query-vcpu-dirty-limit test" i
From: Hyman Huang(黄勇)
Add a non-required argument 'CPUState' to kvm_dirty_ring_reap so
that it can cover single vcpu dirty-ring-reaping scenario.
Signed-off-by: Hyman Huang(黄勇)
Reviewed-by: Peter Xu
---
accel/kvm/kvm-all.c | 23 +--
1 file changed, 13 insertions(+), 10 del
From: Hyman Huang(黄勇)
abstract out dirty log change logic into function
global_dirty_log_change.
abstract out dirty page rate calculation logic via
dirty-ring into function vcpu_calculate_dirtyrate.
abstract out mathematical dirty page rate calculation
into do_calculate_dirtyrate, decouple it f
From: Hyman Huang(黄勇)
Introduce kvm_dirty_ring_size util function to help calculate
dirty ring ful time.
Signed-off-by: Hyman Huang(黄勇)
Acked-by: Peter Xu
---
accel/kvm/kvm-all.c| 5 +
accel/stubs/kvm-stub.c | 6 ++
include/sysemu/kvm.h | 2 ++
3 files changed, 13 insertions(+)
From: Hyman Huang(黄勇)
Setup a negative feedback system when vCPU thread
handling KVM_EXIT_DIRTY_RING_FULL exit by introducing
throttle_us_per_full field in struct CPUState. Sleep
throttle_us_per_full microseconds to throttle vCPU
if dirtylimit is in service.
Signed-off-by: Hyman Huang(黄勇)
Revie
From: Hyman Huang(黄勇)
Implement dirtyrate calculation periodically basing on
dirty-ring and throttle virtual CPU until it reachs the quota
dirty page rate given by user.
Introduce qmp commands "set-vcpu-dirty-limit",
"cancel-vcpu-dirty-limit", "query-vcpu-dirty-limit"
to enable, disable, query d
From: Hyman Huang(黄勇)
Dirtylimit qtest can reuse the mechanisms that have been
implemented by migration-test to start a vm, so export the
relevant util functions.
Signed-off-by: Hyman Huang(黄勇)
---
tests/qtest/migration-helpers.c | 95 +
tests/qtest/migrati
From: Hyman Huang(黄勇)
Add dirty page rate limit test if kernel support dirty ring,
create a standalone file to implement the test case.
The following qmp commands are covered by this test case:
"calc-dirty-rate", "query-dirty-rate", "set-vcpu-dirty-limit",
"cancel-vcpu-dirty-limit" and "query-vc
From: Hyman Huang(黄勇)
Introduce cpu_list_generation_id to track cpu list generation so
that cpu hotplug/unplug can be detected during measurement of
dirty page rate.
cpu_list_generation_id could be used to detect changes of cpu
list, which is prepared for dirty page rate measurement.
Signed-off
From: Hyman Huang(黄勇)
Add a non-required argument 'CPUState' to kvm_dirty_ring_reap so
that it can cover single vcpu dirty-ring-reaping scenario.
Signed-off-by: Hyman Huang(黄勇)
Reviewed-by: Peter Xu
---
accel/kvm/kvm-all.c | 23 +--
1 file changed, 13 insertions(+), 10 del
From: Hyman Huang(黄勇)
abstract out dirty log change logic into function
global_dirty_log_change.
abstract out dirty page rate calculation logic via
dirty-ring into function vcpu_calculate_dirtyrate.
abstract out mathematical dirty page rate calculation
into do_calculate_dirtyrate, decouple it f
From: Hyman Huang(黄勇)
Setup a negative feedback system when vCPU thread
handling KVM_EXIT_DIRTY_RING_FULL exit by introducing
throttle_us_per_full field in struct CPUState. Sleep
throttle_us_per_full microseconds to throttle vCPU
if dirtylimit is in service.
Signed-off-by: Hyman Huang(黄勇)
Revie
From: Hyman Huang(黄勇)
v20
- fix the style problems and let QEMU test pass
- change the dirty limit case logic:
test fail if dirtyrate measurement 200ms timeout
v19
- rebase on master and fix conflicts
- add test case for dirty page rate limit
Ping.
Adding an test case and hope it can be merg
From: Hyman Huang(黄勇)
Dirtylimit qtest can reuse the mechanisms that have been
implemented by migration-test to start a vm, so export the
relevant util functions.
Signed-off-by: Hyman Huang(黄勇)
---
tests/qtest/migration-helpers.c | 95 +
tests/qtest/migrati
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty page
rate limit.
Add dirtylimit.c to implement dirtyrate calculation periodly,
which will be used for dirty page rate limit.
Add dirtylimit.h to export util functions
From: Hyman Huang(黄勇)
Introduce kvm_dirty_ring_size util function to help calculate
dirty ring ful time.
Signed-off-by: Hyman Huang(黄勇)
Acked-by: Peter Xu
---
accel/kvm/kvm-all.c| 5 +
accel/stubs/kvm-stub.c | 6 ++
include/sysemu/kvm.h | 2 ++
3 files changed, 13 insertions(+)
From: Hyman Huang(黄勇)
Implement dirtyrate calculation periodically basing on
dirty-ring and throttle virtual CPU until it reachs the quota
dirty page rate given by user.
Introduce qmp commands "set-vcpu-dirty-limit",
"cancel-vcpu-dirty-limit", "query-vcpu-dirty-limit"
to enable, disable, query d
From: Hyman Huang(黄勇)
Add dirty page rate limit test if kernel support dirty ring,
create a standalone file to implement the test case.
The following qmp commands are covered by this test case:
"calc-dirty-rate", "query-dirty-rate", "set-vcpu-dirty-limit",
"cancel-vcpu-dirty-limit" and "query-vc
From: Hyman Huang(黄勇)
Introduce cpu_list_generation_id to track cpu list generation so
that cpu hotplug/unplug can be detected during measurement of
dirty page rate.
cpu_list_generation_id could be used to detect changes of cpu
list, which is prepared for dirty page rate measurement.
Signed-off
From: Hyman Huang(黄勇)
Implement dirtyrate calculation periodically basing on
dirty-ring and throttle virtual CPU until it reachs the quota
dirty page rate given by user.
Introduce qmp commands "set-vcpu-dirty-limit",
"cancel-vcpu-dirty-limit", "query-vcpu-dirty-limit"
to enable, disable, query d
From: Hyman Huang(黄勇)
Add dirty page rate limit test if kernel support dirty ring,
create a standalone file to implement the test case.
The following qmp commands are covered by this test case:
"calc-dirty-rate", "query-dirty-rate", "set-vcpu-dirty-limit",
"cancel-vcpu-dirty-limit" and "query-vc
From: Hyman Huang(黄勇)
Add a non-required argument 'CPUState' to kvm_dirty_ring_reap so
that it can cover single vcpu dirty-ring-reaping scenario.
Signed-off-by: Hyman Huang(黄勇)
Reviewed-by: Peter Xu
---
accel/kvm/kvm-all.c | 23 +--
1 file changed, 13 insertions(+), 10 del
From: Hyman Huang(黄勇)
v21
- remove the tmpfs declarations in header file and
test case should use tmpfs as internal var respectively.
v20
- fix the style problems and let QEMU test pass
- change the dirty limit case logic:
test fail if dirtyrate measurement 200ms timeout
v19
- rebase on mas
From: Hyman Huang(黄勇)
abstract out dirty log change logic into function
global_dirty_log_change.
abstract out dirty page rate calculation logic via
dirty-ring into function vcpu_calculate_dirtyrate.
abstract out mathematical dirty page rate calculation
into do_calculate_dirtyrate, decouple it f
From: Hyman Huang(黄勇)
Introduce kvm_dirty_ring_size util function to help calculate
dirty ring ful time.
Signed-off-by: Hyman Huang(黄勇)
Acked-by: Peter Xu
---
accel/kvm/kvm-all.c| 5 +
accel/stubs/kvm-stub.c | 6 ++
include/sysemu/kvm.h | 2 ++
3 files changed, 13 insertions(+)
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty page
rate limit.
Add dirtylimit.c to implement dirtyrate calculation periodly,
which will be used for dirty page rate limit.
Add dirtylimit.h to export util functions
From: Hyman Huang(黄勇)
Dirtylimit qtest can reuse the mechanisms that have been
implemented by migration-test to start a vm, so export the
relevant util functions.
Signed-off-by: Hyman Huang(黄勇)
---
tests/qtest/migration-helpers.c | 87 ++
tests/qtest/migration-helpers.
From: Hyman Huang(黄勇)
Setup a negative feedback system when vCPU thread
handling KVM_EXIT_DIRTY_RING_FULL exit by introducing
throttle_us_per_full field in struct CPUState. Sleep
throttle_us_per_full microseconds to throttle vCPU
if dirtylimit is in service.
Signed-off-by: Hyman Huang(黄勇)
Revie
From: Hyman Huang(黄勇)
Guestperf tool does not enable diry ring feature when test
migration by default.
To support dirty ring migration performance test, introduce
dirty-ring-size option into guestperf tools, which ranges in
[1024, 65536].
To set dirty ring size with 4096 during migration test:
From: Hyman Huang(黄勇)
v2:
- rebase on master
- fix style problems and make qemu test passes
Ping
Please review. Thanks,
Regards
Yong
v1:
- original version sent by accident, send the right patch
Dirtylimit implementation has been reviewed in the past few months, if
things go well, it will be
From: Hyman Huang(黄勇)
This is v22 of dirtylimit series.
The following is the history of the patchset, since v22 kind of different from
the original version, i made abstracts of changelog:
RFC and v1:
https://lore.kernel.org/qemu-devel/cover.1637214721.git.huang...@chinatelecom.cn/
v2:
https:/
From: Hyman Huang(黄勇)
Add a non-required argument 'CPUState' to kvm_dirty_ring_reap so
that it can cover single vcpu dirty-ring-reaping scenario.
Signed-off-by: Hyman Huang(黄勇)
Reviewed-by: Peter Xu
---
accel/kvm/kvm-all.c | 23 +--
1 file changed, 13 insertions(+), 10 del
From: Hyman Huang(黄勇)
abstract out dirty log change logic into function
global_dirty_log_change.
abstract out dirty page rate calculation logic via
dirty-ring into function vcpu_calculate_dirtyrate.
abstract out mathematical dirty page rate calculation
into do_calculate_dirtyrate, decouple it f
From: Hyman Huang(黄勇)
Introduce cpu_list_generation_id to track cpu list generation so
that cpu hotplug/unplug can be detected during measurement of
dirty page rate.
cpu_list_generation_id could be used to detect changes of cpu
list, which is prepared for dirty page rate measurement.
Signed-off
From: Hyman Huang(黄勇)
Implement dirtyrate calculation periodically basing on
dirty-ring and throttle virtual CPU until it reachs the quota
dirty page rate given by user.
Introduce qmp commands "set-vcpu-dirty-limit",
"cancel-vcpu-dirty-limit", "query-vcpu-dirty-limit"
to enable, disable, query d
From: Hyman Huang(黄勇)
Introduce kvm_dirty_ring_size util function to help calculate
dirty ring ful time.
Signed-off-by: Hyman Huang(黄勇)
Acked-by: Peter Xu
---
accel/kvm/kvm-all.c| 5 +
accel/stubs/kvm-stub.c | 6 ++
include/sysemu/kvm.h | 2 ++
3 files changed, 13 insertions(+)
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty page
rate limit.
Add dirtylimit.c to implement dirtyrate calculation periodly,
which will be used for dirty page rate limit.
Add dirtylimit.h to export util functions
From: Hyman Huang(黄勇)
Setup a negative feedback system when vCPU thread
handling KVM_EXIT_DIRTY_RING_FULL exit by introducing
throttle_us_per_full field in struct CPUState. Sleep
throttle_us_per_full microseconds to throttle vCPU
if dirtylimit is in service.
Signed-off-by: Hyman Huang(黄勇)
Revie
From: Hyman Huang(黄勇)
Add dirty page rate limit test if kernel support dirty ring,
create a standalone file to implement the test case.
The following qmp commands are covered by this test case:
"calc-dirty-rate", "query-dirty-rate", "set-vcpu-dirty-limit",
"cancel-vcpu-dirty-limit" and "query-vc
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty restraint.
Implement thread for calculate dirtyrate periodly, which will
be used for dirty restraint.
Add dirtylimit.h to introduce the util function for dirty
limit
From: Hyman Huang(黄勇)
Impose dirty restraint on vCPU by kicking it and sleep
as the auto-converge does during migration, but just
kick the specified vCPU instead, not all vCPUs of vm.
Start a thread to track the dirtylimit status and adjust
the throttle pencentage dynamically depend on current
a
From: Hyman Huang(黄勇)
The patch [2/3] has not been touched so far. Any corrections and
suggetions are welcome.
Please review, thanks!
v7:
- rebase on master
- polish the comments and error message according to the
advices given by Markus
- introduce dirtylimit_enabled function to pre-check i
From: Hyman Huang(黄勇)
Implement dirtyrate calculation periodically basing on
dirty-ring and throttle vCPU until it reachs the quota
dirty page rate given by user.
Introduce qmp commands set-dirty-limit/cancel-dirty-limit to
set/cancel dirty page limit on vCPU.
Signed-off-by: Hyman Huang(黄勇)
--
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty restraint.
Implement thread for calculate dirtyrate periodly, which will
be used for dirty restraint.
Add dirtylimit.h to introduce the util function for dirty
limit
From: Hyman Huang(黄勇)
Impose dirty restraint on vCPU by kicking it and sleep
as the auto-converge does during migration, but just
kick the specified vCPU instead, not all vCPUs of vm.
Start a thread to track the dirtylimit status and adjust
the throttle pencentage dynamically depend on current
a
From: Hyman Huang(黄勇)
The patch [2/3] has not been touched so far. Any corrections and
suggetions are welcome.
Please review, thanks!
v7:
- rebase on master
- polish the comments and error message according to the
advices given by Markus
- introduce dirtylimit_enabled function to pre-check i
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty restraint.
Implement thread for calculate dirtyrate periodly, which will
be used for dirty restraint.
Add dirtylimit.h to introduce the util function for dirty
limit
From: Hyman Huang(黄勇)
Impose dirty restraint on vCPU by kicking it and sleep
as the auto-converge does during migration, but just
kick the specified vCPU instead, not all vCPUs of vm.
Start a thread to track the dirtylimit status and adjust
the throttle pencentage dynamically depend on current
a
From: Hyman Huang(黄勇)
v8:
- rebase on master
- polish the error message and remove the "unlikely" compilation syntax
according to the advice given by Markus.
- keep the dirty tracking enabled during "dirtylimit-calc" lifecycle
so that the overhead can be reduced according to the advice given
From: Hyman Huang(黄勇)
Implement dirtyrate calculation periodically basing on
dirty-ring and throttle vCPU until it reachs the quota
dirty page rate given by user.
Introduce qmp commands "vcpu-dirty-limit", "query-vcpu-dirty-limit"
to enable, disable, query dirty page limit for virtual CPU.
Mean
From: Hyman Huang(黄勇)
v9:
- rebase on master
- fix the meson directory change, keep it untouched.
v8:
- rebase on master
- polish the error message and remove the "unlikely" compilation syntax
according to the advice given by Markus.
- keep the dirty tracking enabled during "dirtylimit-calc" l
From: Hyman Huang(黄勇)
Impose dirty restraint on vCPU by kicking it and sleep
as the auto-converge does during migration, but just
kick the specified vCPU instead, not all vCPUs of vm.
Start a thread to track the dirtylimit status and adjust
the throttle pencentage dynamically depend on current
a
From: Hyman Huang(黄勇)
Implement dirtyrate calculation periodically basing on
dirty-ring and throttle vCPU until it reachs the quota
dirty page rate given by user.
Introduce qmp commands "vcpu-dirty-limit", "query-vcpu-dirty-limit"
to enable, disable, query dirty page limit for virtual CPU.
Mean
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty restraint.
Implement thread for calculate dirtyrate periodly, which will
be used for dirty restraint.
Add dirtylimit.h to introduce the util function for dirty
limit
From: Hyman Huang(黄勇)
Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty restraint.
Implement thread for calculate dirtyrate periodly, which will
be used for dirty page limit.
Add dirtylimit.h to introduce the util function for dirty
limit
From: Hyman Huang(黄勇)
Setup a negative feedback system when vCPU thread
handling KVM_EXIT_DIRTY_RING_FULL exit by introducing
throttle_us_per_full field in struct CPUState. Sleep
throttle_us_per_full microseconds to throttle vCPU
if dirtylimit is enabled.
Start a thread to track current dirty pa
From: Hyman Huang(黄勇)
Implement dirtyrate calculation periodically basing on
dirty-ring and throttle virtual CPU until it reachs the quota
dirty page rate given by user.
Introduce qmp commands "vcpu-dirty-limit", "query-vcpu-dirty-limit"
to enable, disable, query dirty page limit for virtual CPU
From: Hyman Huang(黄勇)
v10:
- rebase on master
- make the following modifications on patch [1/3]:
1. Make "dirtylimit-calc" thread joinable and join it after quitting.
2. Add finalize function to free dirtylimit_calc_state
3. Do some code clean work
- make the following modifications on p
From: Hyman Huang(黄勇)
This is v2 of introducing sample pages argument to dirty rate interface
v2:
- do the code clean on the basis of review by David
- add qemu version to 6.1 since which the argument introduced
- raise the upper limit of sample pages refer as MAX_SAMPLE_PAGE_COUNT
v1:
- code
From: Hyman Huang(黄勇)
introduce optional sample-pages argument in calc-dirty-rate,
making sample page count per GB configurable so that more
accurate dirtyrate can be calculated.
Signed-off-by: Hyman Huang(黄勇)
---
migration/dirtyrate.c | 31 ---
migration/dirtyrate.h | 8 -
From: Hyman Huang(黄勇)
introduce optional sample-pages argument in calc-dirty-rate,
making sample page count per GB configurable so that more
accurate dirtyrate can be calculated.
Signed-off-by: Hyman Huang(黄勇)
---
migration/dirtyrate.c | 31 +++
migration/dirtyrate.
From: Hyman Huang(黄勇)
This is v3 of introducing sample pages argument to dirty rate interface
v3:
- only add the "6.1" tag to the sample-pages field of DirtyRateInfo
v2:
- do the code clean on the basis of review by David
- add qemu version to 6.1 since which the argument introduced
- raise th
From: Hyman
Current guestperf tool does not support multifd migration,
introducing multifd is good idea so that we can compare the
performence of all type of migration.
To request that multifd is enabled, with 4 channels:
$ ./tests/migration/guestperf.py \
--multifd --multifd-channels 4 --ou
From: Hyman
Signed-off-by: Hyman
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 25fc49d..20e2387 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2525,6 +2525,7 @@ M: Cleber Rosa
S: Odd Fixes
F: scripts/*.py
F: tests/*.py
+F: tests/migratio
From: Hyman Huang(黄勇)
Signed-off-by: Hyman Huang(黄勇)
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 25fc49d1dc..20e2387c66 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2525,6 +2525,7 @@ M: Cleber Rosa
S: Odd Fixes
F: scripts/*.py
F: tes
From: Hyman Huang(黄勇)
when executing the following scripts, it throw error message:
$ ./scripts/get_maintainer.pl -f tests/migration/guestperf.py
get_maintainer.pl: No maintainers found, printing recent contributors.
get_maintainer.pl: Do not blindly cc: them on patches! Use common sense.
add t
From: Hyman
Guestperf tool does not cover the multifd-enabled migration
currently, it is worth supporting so that developers can
analysis the migration performance with all kinds of
migration.
To request that multifd is enabled, with 4 channels:
$ ./tests/migration/guestperf.py \
--multifd -
From: Hyman Huang(黄勇)
This is the v1 of guestperf multifd migration support
It is merely the same as the original patch, just change the maintainer,
since the ./scripts/get_maintainer.pl do not get the maintainer of
tests/migration before this patch:
https://lore.kernel.org/qemu-devel/842e7cbd-
From: Hyman Huang(黄勇)
when execute the following test command:
$ ./guestperf-batch.py --auto-converge \
--auto-converge-step {percent} ...
test aborts and error message be throwed as the following:
"Parameter 'x-cpu-throttle-increment' is unexpected"
The reason is that 'x-cpu-throttle-increm
From: Hyman Huang(黄勇)
introduce optional sample-pages argument in calc-dirty-rate,
making sample page count per GB configurable so that more
accurate dirtyrate can be calculated.
Signed-off-by: Hyman Huang(黄勇)
---
migration/dirtyrate.c | 32
migration/dirtyrate
From: Hyman Huang(黄勇)
introduce optional sample-pages argument in calc-dirty-rate,
making sample page count per GB configurable so that more
accurate dirtyrate can be calculated.
Signed-off-by: Hyman Huang(黄勇)
---
migration/dirtyrate.c | 32
migration/dirtyrate
From: Hyman
Current guestperf tool does not support multifd migration,
introducing it is good idea so that we can compare the
performence of all type of migration.
Signed-off-by: Hyman
---
tests/migration/guestperf/comparison.py | 14 ++
tests/migration/guestperf/engine.py | 16
From: Hyman Huang(黄勇)
Since the Dirty Ring on QEMU part has been merged recently, how to use
this feature is under consideration.
In the scene of migration, it is valuable to provide a more accurante
interface to track dirty memory than existing one, so that the upper
layer application can make
From: Hyman Huang(黄勇)
calculate dirtyrate for each vcpu if vcpu is true, add the
dirtyrate of each vcpu to the return value also.
Signed-off-by: Hyman Huang(黄勇)
---
migration/dirtyrate.c | 5 -
migration/dirtyrate.h | 1 +
qapi/migration.json | 28 ++--
3 files
From: Hyman Huang(黄勇)
introduce kvm_dirty_ring_enabled to show if kvm-reaper is working.
dirtyrate thread could use it to check if calculation can base on
dirty ring feature.
Signed-off-by: Hyman Huang(黄勇)
---
accel/kvm/kvm-all.c | 5 +
include/sysemu/kvm.h | 1 +
2 files changed, 6 inser
From: Hyman Huang(黄勇)
vcpu method only works when kvm dirty ring is enabled, use
kvm_dirty_ring_enabled to probe if dirty ring is enabled.
Signed-off-by: Hyman Huang(黄勇)
---
migration/dirtyrate.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/migration/dirtyrate.c b/migration/
From: Hyman Huang(黄勇)
use union to store stat data of two mutual exclusive methods.
Signed-off-by: Hyman Huang(黄勇)
---
migration/dirtyrate.c | 32
migration/dirtyrate.h | 18 +++---
2 files changed, 35 insertions(+), 15 deletions(-)
diff --git a/mi
From: Hyman Huang(黄勇)
dirty_pages is used to calculate dirtyrate via dirty ring, when enabled,
kvm-reaper will increase the dirty pages after gfns being dirtied.
Signed-off-by: Hyman Huang(黄勇)
---
accel/kvm/kvm-all.c | 6 ++
include/hw/core/cpu.h | 2 ++
2 files changed, 8 insertions(+)
201 - 300 of 413 matches
Mail list logo
