migration: Create migrate_max_cpu_throttle()

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>

4 files changed, 11 insertions, 3 deletions

diff --git a/migration/migration.h b/migration/migration.h
index 86051af..3ae938b 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -451,8 +451,6 @@ bool migrate_postcopy(void);
 
 int migrate_use_tls(void);
 
-int migrate_max_cpu_throttle(void);
-
 uint64_t ram_get_total_transferred_pages(void);
 
 /* Sending on the return path - generic and then for each message type */
diff --git a/migration/options.c b/migration/options.c
index 0e102e5..2cb04fb 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -517,6 +517,15 @@ int migrate_decompress_threads(void)
     return s->parameters.decompress_threads;
 }
 
+uint8_t migrate_max_cpu_throttle(void)
+{
+    MigrationState *s;
+
+    s = migrate_get_current();
+
+    return s->parameters.max_cpu_throttle;
+}
+
 int64_t migrate_max_postcopy_bandwidth(void)
 {
     MigrationState *s;
diff --git a/migration/options.h b/migration/options.h
index adc2879..72b1a32 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -51,6 +51,7 @@ int migrate_compress_level(void);
 int migrate_compress_threads(void);
 int migrate_compress_wait_thread(void);
 int migrate_decompress_threads(void);
+uint8_t migrate_max_cpu_throttle(void);
 int64_t migrate_max_postcopy_bandwidth(void);
 int migrate_multifd_channels(void);
 MultiFDCompression migrate_multifd_compression(void);
diff --git a/migration/ram.c b/migration/ram.c
index e82cee9..5c78651 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -715,7 +715,7 @@ static void mig_throttle_guest_down(uint64_t bytes_dirty_period,
     uint64_t pct_initial = s->parameters.cpu_throttle_initial;
     uint64_t pct_increment = s->parameters.cpu_throttle_increment;
     bool pct_tailslow = s->parameters.cpu_throttle_tailslow;
-    int pct_max = s->parameters.max_cpu_throttle;
+    int pct_max = migrate_max_cpu_throttle();
 
     uint64_t throttle_now = cpu_throttle_get_percentage();
     uint64_t cpu_now, cpu_ideal, throttle_inc;