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migration: export vcpu_dirty_limit_period

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Define and export vcpu_dirty_limit_period to eliminate a dependency
on MigrationState.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-6-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Steve Sistare 2024-03-11 10:48:52 -07:00 • committed by Peter Xu
parent aeaafb1e59
commit 714f33123b
3 changed files with 9 additions and 2 deletions
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1
include/migration/client-options.h
View file

@ -20,5 +20,6 @@ bool migrate_switchover_ack(void);
/* parameters */ /* parameters */
MigMode migrate_mode(void); MigMode migrate_mode(void);
uint64_t migrate_vcpu_dirty_limit_period(void);
#endif #endif

7
migration/options.c
View file

@ -924,6 +924,13 @@ const char *migrate_tls_hostname(void)
return s->parameters.tls_hostname; return s->parameters.tls_hostname;
} }
uint64_t migrate_vcpu_dirty_limit_period(void)
{
MigrationState *s = migrate_get_current();
return s->parameters.x_vcpu_dirty_limit_period;
}
uint64_t migrate_xbzrle_cache_size(void) uint64_t migrate_xbzrle_cache_size(void)
{ {
MigrationState *s = migrate_get_current(); MigrationState *s = migrate_get_current();

3
system/dirtylimit.c
View file

@ -77,14 +77,13 @@ static bool dirtylimit_quit;
static void vcpu_dirty_rate_stat_collect(void) static void vcpu_dirty_rate_stat_collect(void)
{ {
MigrationState *s = migrate_get_current();
VcpuStat stat; VcpuStat stat;
int i = 0; int i = 0;
int64_t period = DIRTYLIMIT_CALC_TIME_MS; int64_t period = DIRTYLIMIT_CALC_TIME_MS;
if (migrate_dirty_limit() && if (migrate_dirty_limit() &&
migration_is_active()) { migration_is_active()) {
period = s->parameters.x_vcpu_dirty_limit_period; period = migrate_vcpu_dirty_limit_period();
} }
/* calculate vcpu dirtyrate */ /* calculate vcpu dirtyrate */