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[PATCH 07/26] migration: Refactor auto-converge capability logic
From: |
Juan Quintela |
Subject: |
[PATCH 07/26] migration: Refactor auto-converge capability logic |
Date: |
Mon, 24 Jul 2023 15:06:20 +0200 |
From: Hyman Huang(黄勇) <yong.huang@smartx.com>
Check if block migration is running before throttling
guest down in auto-converge way.
Note that this modification is kind of like code clean,
because block migration does not depend on auto-converge
capability, so the order of checks can be adjusted.
Signed-off-by: Hyman Huang(黄勇) <yong.huang@smartx.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <168618975839.6361.17407633874747688653-5@git.sr.ht>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
migration/ram.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/migration/ram.c b/migration/ram.c
index 0ada6477e8..f31de47a47 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -995,7 +995,11 @@ static void migration_trigger_throttle(RAMState *rs)
/* During block migration the auto-converge logic incorrectly detects
* that ram migration makes no progress. Avoid this by disabling the
* throttling logic during the bulk phase of block migration. */
- if (migrate_auto_converge() && !blk_mig_bulk_active()) {
+ if (blk_mig_bulk_active()) {
+ return;
+ }
+
+ if (migrate_auto_converge()) {
/* The following detection logic can be refined later. For now:
Check to see if the ratio between dirtied bytes and the approx.
amount of bytes that just got transferred since the last time
--
2.40.1
- [PATCH 00/26] Migration PULL 2023-07-24, Juan Quintela, 2023/07/24
- [PATCH 01/26] migration/multifd: Rename threadinfo.c functions, Juan Quintela, 2023/07/24
- [PATCH 02/26] migration/multifd: Protect accesses to migration_threads, Juan Quintela, 2023/07/24
- [PATCH 03/26] softmmu/dirtylimit: Add parameter check for hmp "set_vcpu_dirty_limit", Juan Quintela, 2023/07/24
- [PATCH 05/26] qapi/migration: Introduce vcpu-dirty-limit parameters, Juan Quintela, 2023/07/24
- [PATCH 06/26] migration: Introduce dirty-limit capability, Juan Quintela, 2023/07/24
- [PATCH 07/26] migration: Refactor auto-converge capability logic,
Juan Quintela <=
- [PATCH 11/26] migration-test: Be consistent for ppc, Juan Quintela, 2023/07/24
- [PATCH 08/26] migration: Put the detection logic before auto-converge checking, Juan Quintela, 2023/07/24
- [PATCH 10/26] migration: Extend query-migrate to provide dirty page limit info, Juan Quintela, 2023/07/24
- [PATCH 09/26] migration: Implement dirty-limit convergence algo, Juan Quintela, 2023/07/24
- [PATCH 16/26] migration: skipped field is really obsolete., Juan Quintela, 2023/07/24
- [PATCH 12/26] migration-test: Make machine_opts regular with other options, Juan Quintela, 2023/07/24
- [PATCH 17/26] docs/migration: Update postcopy bits, Juan Quintela, 2023/07/24
- [PATCH 14/26] migration-test: machine_opts is really arch specific, Juan Quintela, 2023/07/24
- [PATCH 26/26] migration/rdma: Split qemu_fopen_rdma() into input/output functions, Juan Quintela, 2023/07/24
- [PATCH 13/26] migration-test: Create arch_opts, Juan Quintela, 2023/07/24