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[PATCH v2 27/43] migration: Create migrate_cpu_throttle_tailslow() funct
From: |
Juan Quintela |
Subject: |
[PATCH v2 27/43] migration: Create migrate_cpu_throttle_tailslow() function |
Date: |
Thu, 20 Apr 2023 15:39:46 +0200 |
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
migration/options.c | 9 +++++++++
migration/options.h | 1 +
migration/ram.c | 3 +--
3 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/migration/options.c b/migration/options.c
index e31d907d3d..a111d0d43f 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -527,6 +527,15 @@ uint8_t migrate_cpu_throttle_initial(void)
return s->parameters.cpu_throttle_initial;
}
+bool migrate_cpu_throttle_tailslow(void)
+{
+ MigrationState *s;
+
+ s = migrate_get_current();
+
+ return s->parameters.cpu_throttle_tailslow;
+}
+
int migrate_decompress_threads(void)
{
MigrationState *s;
diff --git a/migration/options.h b/migration/options.h
index 49b29bdafd..99f6bbd7a1 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -52,6 +52,7 @@ int migrate_compress_threads(void);
int migrate_compress_wait_thread(void);
uint8_t migrate_cpu_throttle_increment(void);
uint8_t migrate_cpu_throttle_initial(void);
+bool migrate_cpu_throttle_tailslow(void);
int migrate_decompress_threads(void);
uint8_t migrate_max_cpu_throttle(void);
int64_t migrate_max_postcopy_bandwidth(void);
diff --git a/migration/ram.c b/migration/ram.c
index c29c47f94d..3862ec0853 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -711,10 +711,9 @@ static size_t save_page_header(PageSearchStatus *pss,
QEMUFile *f,
static void mig_throttle_guest_down(uint64_t bytes_dirty_period,
uint64_t bytes_dirty_threshold)
{
- MigrationState *s = migrate_get_current();
uint64_t pct_initial = migrate_cpu_throttle_initial();
uint64_t pct_increment = migrate_cpu_throttle_increment();
- bool pct_tailslow = s->parameters.cpu_throttle_tailslow;
+ bool pct_tailslow = migrate_cpu_throttle_tailslow();
int pct_max = migrate_max_cpu_throttle();
uint64_t throttle_now = cpu_throttle_get_percentage();
--
2.39.2
- [PATCH v2 23/43] migration: Create migrate_max_cpu_throttle(), (continued)
- [PATCH v2 23/43] migration: Create migrate_max_cpu_throttle(), Juan Quintela, 2023/04/20
- [PATCH v2 29/43] migration: Move migrate_postcopy() to options.c, Juan Quintela, 2023/04/20
- [PATCH v2 26/43] migration: Create migrate_cpu_throttle_increment() function, Juan Quintela, 2023/04/20
- [PATCH v2 25/43] migration: Create migrate_cpu_throttle_initial() to option.c, Juan Quintela, 2023/04/20
- [PATCH v2 30/43] migration: Create migrate_max_bandwidth() function, Juan Quintela, 2023/04/20
- [PATCH v2 27/43] migration: Create migrate_cpu_throttle_tailslow() function,
Juan Quintela <=
- [PATCH v2 34/43] migration: Make all functions check have the same format, Juan Quintela, 2023/04/20
- [PATCH v2 28/43] migration: Move migrate_use_tls() to options.c, Juan Quintela, 2023/04/20
- [PATCH v2 31/43] migration: Move qmp_query_migrate_parameters() to options.c, Juan Quintela, 2023/04/20
- [PATCH v2 32/43] migration: Move qmp_migrate_set_parameters() to options.c, Juan Quintela, 2023/04/20
- [PATCH v2 35/43] migration: Create migrate_downtime_limit() function, Juan Quintela, 2023/04/20
- [PATCH v2 36/43] migration: Move migrate_set_block_incremental() to options.c, Juan Quintela, 2023/04/20
- [PATCH v2 38/43] migration: Remove MigrationState from block_cleanup_parameters(), Juan Quintela, 2023/04/20