To enable the responsive throttle that will be implemented
in the next commit, introduce the cpu-responsive-throttle
parameter.
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
---
migration/migration-hmp-cmds.c | 8 ++++++++
migration/options.c | 20 ++++++++++++++++++++
migration/options.h | 1 +
qapi/migration.json | 16 +++++++++++++++-
4 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c
index 28165cfc9e..1fe6c74d66 100644
--- a/migration/migration-hmp-cmds.c
+++ b/migration/migration-hmp-cmds.c
@@ -264,6 +264,10 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict)
monitor_printf(mon, "%s: %s\n",
MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_TAILSLOW),
params->cpu_throttle_tailslow ? "on" : "off");
+ assert(params->has_cpu_responsive_throttle);
+ monitor_printf(mon, "%s: %s\n",
+ MigrationParameter_str(MIGRATION_PARAMETER_CPU_RESPONSIVE_THROTTLE),
+ params->cpu_responsive_throttle ? "on" : "off");
assert(params->has_max_cpu_throttle);
monitor_printf(mon, "%s: %u\n",
MigrationParameter_str(MIGRATION_PARAMETER_MAX_CPU_THROTTLE),
@@ -512,6 +516,10 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
p->has_cpu_throttle_tailslow = true;
visit_type_bool(v, param, &p->cpu_throttle_tailslow, &err);
break;
+ case MIGRATION_PARAMETER_CPU_RESPONSIVE_THROTTLE:
+ p->has_cpu_responsive_throttle = true;
+ visit_type_bool(v, param, &p->cpu_responsive_throttle, &err);
+ break;
case MIGRATION_PARAMETER_MAX_CPU_THROTTLE:
p->has_max_cpu_throttle = true;
visit_type_uint8(v, param, &p->max_cpu_throttle, &err);
diff --git a/migration/options.c b/migration/options.c
index 147cd2b8fd..b4c269bf1d 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -111,6 +111,8 @@ Property migration_properties[] = {
DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT),
DEFINE_PROP_BOOL("x-cpu-throttle-tailslow", MigrationState,
parameters.cpu_throttle_tailslow, false),
+ DEFINE_PROP_BOOL("x-cpu-responsive-throttle", MigrationState,
+ parameters.cpu_responsive_throttle, false),
DEFINE_PROP_SIZE("x-max-bandwidth", MigrationState,
parameters.max_bandwidth, MAX_THROTTLE),
DEFINE_PROP_SIZE("avail-switchover-bandwidth", MigrationState,
@@ -705,6 +707,13 @@ uint8_t migrate_cpu_throttle_initial(void)
return s->parameters.cpu_throttle_initial;
}
+bool migrate_responsive_throttle(void)
+{
+ MigrationState *s = migrate_get_current();
+
+ return s->parameters.cpu_responsive_throttle;
+}
+
bool migrate_cpu_throttle_tailslow(void)
{
MigrationState *s = migrate_get_current();
@@ -891,6 +900,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp)
params->cpu_throttle_increment = s->parameters.cpu_throttle_increment;
params->has_cpu_throttle_tailslow = true;
params->cpu_throttle_tailslow = s->parameters.cpu_throttle_tailslow;
+ params->has_cpu_responsive_throttle = true;
+ params->cpu_responsive_throttle = s->parameters.cpu_responsive_throttle;
params->tls_creds = g_strdup(s->parameters.tls_creds);
params->tls_hostname = g_strdup(s->parameters.tls_hostname);
params->tls_authz = g_strdup(s->parameters.tls_authz ?
@@ -959,6 +970,7 @@ void migrate_params_init(MigrationParameters *params)
params->has_cpu_throttle_initial = true;
params->has_cpu_throttle_increment = true;
params->has_cpu_throttle_tailslow = true;
+ params->has_cpu_responsive_throttle = true;
params->has_max_bandwidth = true;
params->has_downtime_limit = true;
params->has_x_checkpoint_delay = true;
@@ -1191,6 +1203,10 @@ static void migrate_params_test_apply(MigrateSetParameters *params,
dest->cpu_throttle_tailslow = params->cpu_throttle_tailslow;
}
+ if (params->has_cpu_responsive_throttle) {
+ dest->cpu_responsive_throttle = params->cpu_responsive_throttle;
+ }
+
if (params->tls_creds) {
assert(params->tls_creds->type == QTYPE_QSTRING);
dest->tls_creds = params->tls_creds->u.s;
@@ -1302,6 +1318,10 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp)
s->parameters.cpu_throttle_tailslow = params->cpu_throttle_tailslow;
}
+ if (params->has_cpu_responsive_throttle) {
+ s->parameters.cpu_responsive_throttle = params->cpu_responsive_throttle;
+ }
+
if (params->tls_creds) {
g_free(s->parameters.tls_creds);
assert(params->tls_creds->type == QTYPE_QSTRING);
diff --git a/migration/options.h b/migration/options.h
index a0bd6edc06..80d0fcdaf9 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -68,6 +68,7 @@ bool migrate_has_block_bitmap_mapping(void);
uint32_t migrate_checkpoint_delay(void);
uint8_t migrate_cpu_throttle_increment(void);
uint8_t migrate_cpu_throttle_initial(void);
+bool migrate_responsive_throttle(void);
bool migrate_cpu_throttle_tailslow(void);
bool migrate_direct_io(void);
uint64_t migrate_downtime_limit(void);
diff --git a/qapi/migration.json b/qapi/migration.json
index 95b490706c..c61d3b3a6b 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -732,6 +732,10 @@
# be excessive at tail stage. The default value is false. (Since
# 5.1)
#
+# @cpu-responsive-throttle: Make CPU throttling more responsively by
+# introduce an extra detection metric of
+# migration convergence. (Since 9.1)
+#
# @tls-creds: ID of the 'tls-creds' object that provides credentials
# for establishing a TLS connection over the migration data
# channel. On the outgoing side of the migration, the credentials
@@ -857,7 +861,7 @@
'announce-rounds', 'announce-step',
'throttle-trigger-threshold',
'cpu-throttle-initial', 'cpu-throttle-increment',
- 'cpu-throttle-tailslow',
+ 'cpu-throttle-tailslow', 'cpu-responsive-throttle',
'tls-creds', 'tls-hostname', 'tls-authz', 'max-bandwidth',
'avail-switchover-bandwidth', 'downtime-limit',
{ 'name': 'x-checkpoint-delay', 'features': [ 'unstable' ] },
@@ -913,6 +917,10 @@
# be excessive at tail stage. The default value is false. (Since
# 5.1)
#
+# @cpu-responsive-throttle: Make CPU throttling more responsively by
+# introduce an extra detection metric of
+# migration convergence. (Since 9.1)
+#
# @tls-creds: ID of the 'tls-creds' object that provides credentials
# for establishing a TLS connection over the migration data
# channel. On the outgoing side of the migration, the credentials
@@ -1045,6 +1053,7 @@
'*cpu-throttle-initial': 'uint8',
'*cpu-throttle-increment': 'uint8',
'*cpu-throttle-tailslow': 'bool',
+ '*cpu-responsive-throttle': 'bool',
'*tls-creds': 'StrOrNull',
'*tls-hostname': 'StrOrNull',
'*tls-authz': 'StrOrNull',
@@ -1127,6 +1136,10 @@
# be excessive at tail stage. The default value is false. (Since
# 5.1)
#
+# @cpu-responsive-throttle: Make CPU throttling more responsively by
+# introduce an extra detection metric of
+# migration convergence. (Since 9.1)
+#
# @tls-creds: ID of the 'tls-creds' object that provides credentials
# for establishing a TLS connection over the migration data
# channel. On the outgoing side of the migration, the credentials
@@ -1252,6 +1265,7 @@
'*cpu-throttle-initial': 'uint8',
'*cpu-throttle-increment': 'uint8',
'*cpu-throttle-tailslow': 'bool',
+ '*cpu-responsive-throttle': 'bool',
'*tls-creds': 'str',
'*tls-hostname': 'str',
'*tls-authz': 'str',
--
2.39.1Hyman Huang <yong.huang@smartx.com> writes:
> To enable the responsive throttle that will be implemented
> in the next commit, introduce the cpu-responsive-throttle
> parameter.
>
> Signed-off-by: Hyman Huang <yong.huang@smartx.com>
> ---
> migration/migration-hmp-cmds.c | 8 ++++++++
> migration/options.c | 20 ++++++++++++++++++++
> migration/options.h | 1 +
> qapi/migration.json | 16 +++++++++++++++-
> 4 files changed, 44 insertions(+), 1 deletion(-)
>
> diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c
> index 28165cfc9e..1fe6c74d66 100644
> --- a/migration/migration-hmp-cmds.c
> +++ b/migration/migration-hmp-cmds.c
> @@ -264,6 +264,10 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict)
> monitor_printf(mon, "%s: %s\n",
> MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_TAILSLOW),
> params->cpu_throttle_tailslow ? "on" : "off");
> + assert(params->has_cpu_responsive_throttle);
> + monitor_printf(mon, "%s: %s\n",
> + MigrationParameter_str(MIGRATION_PARAMETER_CPU_RESPONSIVE_THROTTLE),
> + params->cpu_responsive_throttle ? "on" : "off");
> assert(params->has_max_cpu_throttle);
> monitor_printf(mon, "%s: %u\n",
> MigrationParameter_str(MIGRATION_PARAMETER_MAX_CPU_THROTTLE),
> @@ -512,6 +516,10 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
> p->has_cpu_throttle_tailslow = true;
> visit_type_bool(v, param, &p->cpu_throttle_tailslow, &err);
> break;
> + case MIGRATION_PARAMETER_CPU_RESPONSIVE_THROTTLE:
> + p->has_cpu_responsive_throttle = true;
> + visit_type_bool(v, param, &p->cpu_responsive_throttle, &err);
> + break;
> case MIGRATION_PARAMETER_MAX_CPU_THROTTLE:
> p->has_max_cpu_throttle = true;
> visit_type_uint8(v, param, &p->max_cpu_throttle, &err);
> diff --git a/migration/options.c b/migration/options.c
> index 147cd2b8fd..b4c269bf1d 100644
> --- a/migration/options.c
> +++ b/migration/options.c
> @@ -111,6 +111,8 @@ Property migration_properties[] = {
> DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT),
> DEFINE_PROP_BOOL("x-cpu-throttle-tailslow", MigrationState,
> parameters.cpu_throttle_tailslow, false),
> + DEFINE_PROP_BOOL("x-cpu-responsive-throttle", MigrationState,
> + parameters.cpu_responsive_throttle, false),
> DEFINE_PROP_SIZE("x-max-bandwidth", MigrationState,
> parameters.max_bandwidth, MAX_THROTTLE),
> DEFINE_PROP_SIZE("avail-switchover-bandwidth", MigrationState,
> @@ -705,6 +707,13 @@ uint8_t migrate_cpu_throttle_initial(void)
> return s->parameters.cpu_throttle_initial;
> }
>
> +bool migrate_responsive_throttle(void)
> +{
> + MigrationState *s = migrate_get_current();
> +
> + return s->parameters.cpu_responsive_throttle;
> +}
> +
> bool migrate_cpu_throttle_tailslow(void)
> {
> MigrationState *s = migrate_get_current();
> @@ -891,6 +900,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp)
> params->cpu_throttle_increment = s->parameters.cpu_throttle_increment;
> params->has_cpu_throttle_tailslow = true;
> params->cpu_throttle_tailslow = s->parameters.cpu_throttle_tailslow;
> + params->has_cpu_responsive_throttle = true;
> + params->cpu_responsive_throttle = s->parameters.cpu_responsive_throttle;
> params->tls_creds = g_strdup(s->parameters.tls_creds);
> params->tls_hostname = g_strdup(s->parameters.tls_hostname);
> params->tls_authz = g_strdup(s->parameters.tls_authz ?
> @@ -959,6 +970,7 @@ void migrate_params_init(MigrationParameters *params)
> params->has_cpu_throttle_initial = true;
> params->has_cpu_throttle_increment = true;
> params->has_cpu_throttle_tailslow = true;
> + params->has_cpu_responsive_throttle = true;
> params->has_max_bandwidth = true;
> params->has_downtime_limit = true;
> params->has_x_checkpoint_delay = true;
> @@ -1191,6 +1203,10 @@ static void migrate_params_test_apply(MigrateSetParameters *params,
> dest->cpu_throttle_tailslow = params->cpu_throttle_tailslow;
> }
>
> + if (params->has_cpu_responsive_throttle) {
> + dest->cpu_responsive_throttle = params->cpu_responsive_throttle;
> + }
> +
> if (params->tls_creds) {
> assert(params->tls_creds->type == QTYPE_QSTRING);
> dest->tls_creds = params->tls_creds->u.s;
> @@ -1302,6 +1318,10 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp)
> s->parameters.cpu_throttle_tailslow = params->cpu_throttle_tailslow;
> }
>
> + if (params->has_cpu_responsive_throttle) {
> + s->parameters.cpu_responsive_throttle = params->cpu_responsive_throttle;
> + }
> +
> if (params->tls_creds) {
> g_free(s->parameters.tls_creds);
> assert(params->tls_creds->type == QTYPE_QSTRING);
> diff --git a/migration/options.h b/migration/options.h
> index a0bd6edc06..80d0fcdaf9 100644
> --- a/migration/options.h
> +++ b/migration/options.h
> @@ -68,6 +68,7 @@ bool migrate_has_block_bitmap_mapping(void);
> uint32_t migrate_checkpoint_delay(void);
> uint8_t migrate_cpu_throttle_increment(void);
> uint8_t migrate_cpu_throttle_initial(void);
> +bool migrate_responsive_throttle(void);
> bool migrate_cpu_throttle_tailslow(void);
> bool migrate_direct_io(void);
> uint64_t migrate_downtime_limit(void);
> diff --git a/qapi/migration.json b/qapi/migration.json
> index 95b490706c..c61d3b3a6b 100644
> --- a/qapi/migration.json
> +++ b/qapi/migration.json
> @@ -732,6 +732,10 @@
> # be excessive at tail stage. The default value is false. (Since
> # 5.1)
> #
> +# @cpu-responsive-throttle: Make CPU throttling more responsively by
> +# introduce an extra detection metric of
> +# migration convergence. (Since 9.1)
> +#
> # @tls-creds: ID of the 'tls-creds' object that provides credentials
> # for establishing a TLS connection over the migration data
> # channel. On the outgoing side of the migration, the credentials
> @@ -857,7 +861,7 @@
> 'announce-rounds', 'announce-step',
> 'throttle-trigger-threshold',
> 'cpu-throttle-initial', 'cpu-throttle-increment',
> - 'cpu-throttle-tailslow',
> + 'cpu-throttle-tailslow', 'cpu-responsive-throttle',
> 'tls-creds', 'tls-hostname', 'tls-authz', 'max-bandwidth',
> 'avail-switchover-bandwidth', 'downtime-limit',
> { 'name': 'x-checkpoint-delay', 'features': [ 'unstable' ] },
> @@ -913,6 +917,10 @@
> # be excessive at tail stage. The default value is false. (Since
> # 5.1)
> #
> +# @cpu-responsive-throttle: Make CPU throttling more responsively by
> +# introduce an extra detection metric of
> +# migration convergence. (Since 9.1)
> +#
> # @tls-creds: ID of the 'tls-creds' object that provides credentials
> # for establishing a TLS connection over the migration data
> # channel. On the outgoing side of the migration, the credentials
> @@ -1045,6 +1053,7 @@
> '*cpu-throttle-initial': 'uint8',
> '*cpu-throttle-increment': 'uint8',
> '*cpu-throttle-tailslow': 'bool',
> + '*cpu-responsive-throttle': 'bool',
Should this instead follow the pattern of cpu-throttle-* ?
> '*tls-creds': 'StrOrNull',
> '*tls-hostname': 'StrOrNull',
> '*tls-authz': 'StrOrNull',
> @@ -1127,6 +1136,10 @@
> # be excessive at tail stage. The default value is false. (Since
> # 5.1)
> #
> +# @cpu-responsive-throttle: Make CPU throttling more responsively by
s/responsively/responsive/ ?
> +# introduce an extra detection metric of
> +# migration convergence. (Since 9.1)
Since 9.2. And double space after period.
> +#
> # @tls-creds: ID of the 'tls-creds' object that provides credentials
> # for establishing a TLS connection over the migration data
> # channel. On the outgoing side of the migration, the credentials
> @@ -1252,6 +1265,7 @@
> '*cpu-throttle-initial': 'uint8',
> '*cpu-throttle-increment': 'uint8',
> '*cpu-throttle-tailslow': 'bool',
> + '*cpu-responsive-throttle': 'bool',
> '*tls-creds': 'str',
> '*tls-hostname': 'str',
> '*tls-authz': 'str',
On Tue, Sep 17, 2024 at 4:55 AM Fabiano Rosas <farosas@suse.de> wrote:
> Hyman Huang <yong.huang@smartx.com> writes:
>
> > To enable the responsive throttle that will be implemented
> > in the next commit, introduce the cpu-responsive-throttle
> > parameter.
> >
> > Signed-off-by: Hyman Huang <yong.huang@smartx.com>
> > ---
> > migration/migration-hmp-cmds.c | 8 ++++++++
> > migration/options.c | 20 ++++++++++++++++++++
> > migration/options.h | 1 +
> > qapi/migration.json | 16 +++++++++++++++-
> > 4 files changed, 44 insertions(+), 1 deletion(-)
> >
> > diff --git a/migration/migration-hmp-cmds.c
> b/migration/migration-hmp-cmds.c
> > index 28165cfc9e..1fe6c74d66 100644
> > --- a/migration/migration-hmp-cmds.c
> > +++ b/migration/migration-hmp-cmds.c
> > @@ -264,6 +264,10 @@ void hmp_info_migrate_parameters(Monitor *mon,
> const QDict *qdict)
> > monitor_printf(mon, "%s: %s\n",
> >
> MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_TAILSLOW),
> > params->cpu_throttle_tailslow ? "on" : "off");
> > + assert(params->has_cpu_responsive_throttle);
> > + monitor_printf(mon, "%s: %s\n",
> > +
> MigrationParameter_str(MIGRATION_PARAMETER_CPU_RESPONSIVE_THROTTLE),
> > + params->cpu_responsive_throttle ? "on" : "off");
> > assert(params->has_max_cpu_throttle);
> > monitor_printf(mon, "%s: %u\n",
> >
> MigrationParameter_str(MIGRATION_PARAMETER_MAX_CPU_THROTTLE),
> > @@ -512,6 +516,10 @@ void hmp_migrate_set_parameter(Monitor *mon, const
> QDict *qdict)
> > p->has_cpu_throttle_tailslow = true;
> > visit_type_bool(v, param, &p->cpu_throttle_tailslow, &err);
> > break;
> > + case MIGRATION_PARAMETER_CPU_RESPONSIVE_THROTTLE:
> > + p->has_cpu_responsive_throttle = true;
> > + visit_type_bool(v, param, &p->cpu_responsive_throttle, &err);
> > + break;
> > case MIGRATION_PARAMETER_MAX_CPU_THROTTLE:
> > p->has_max_cpu_throttle = true;
> > visit_type_uint8(v, param, &p->max_cpu_throttle, &err);
> > diff --git a/migration/options.c b/migration/options.c
> > index 147cd2b8fd..b4c269bf1d 100644
> > --- a/migration/options.c
> > +++ b/migration/options.c
> > @@ -111,6 +111,8 @@ Property migration_properties[] = {
> > DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT),
> > DEFINE_PROP_BOOL("x-cpu-throttle-tailslow", MigrationState,
> > parameters.cpu_throttle_tailslow, false),
> > + DEFINE_PROP_BOOL("x-cpu-responsive-throttle", MigrationState,
> > + parameters.cpu_responsive_throttle, false),
> > DEFINE_PROP_SIZE("x-max-bandwidth", MigrationState,
> > parameters.max_bandwidth, MAX_THROTTLE),
> > DEFINE_PROP_SIZE("avail-switchover-bandwidth", MigrationState,
> > @@ -705,6 +707,13 @@ uint8_t migrate_cpu_throttle_initial(void)
> > return s->parameters.cpu_throttle_initial;
> > }
> >
> > +bool migrate_responsive_throttle(void)
> > +{
> > + MigrationState *s = migrate_get_current();
> > +
> > + return s->parameters.cpu_responsive_throttle;
> > +}
> > +
> > bool migrate_cpu_throttle_tailslow(void)
> > {
> > MigrationState *s = migrate_get_current();
> > @@ -891,6 +900,8 @@ MigrationParameters
> *qmp_query_migrate_parameters(Error **errp)
> > params->cpu_throttle_increment =
> s->parameters.cpu_throttle_increment;
> > params->has_cpu_throttle_tailslow = true;
> > params->cpu_throttle_tailslow = s->parameters.cpu_throttle_tailslow;
> > + params->has_cpu_responsive_throttle = true;
> > + params->cpu_responsive_throttle =
> s->parameters.cpu_responsive_throttle;
> > params->tls_creds = g_strdup(s->parameters.tls_creds);
> > params->tls_hostname = g_strdup(s->parameters.tls_hostname);
> > params->tls_authz = g_strdup(s->parameters.tls_authz ?
> > @@ -959,6 +970,7 @@ void migrate_params_init(MigrationParameters *params)
> > params->has_cpu_throttle_initial = true;
> > params->has_cpu_throttle_increment = true;
> > params->has_cpu_throttle_tailslow = true;
> > + params->has_cpu_responsive_throttle = true;
> > params->has_max_bandwidth = true;
> > params->has_downtime_limit = true;
> > params->has_x_checkpoint_delay = true;
> > @@ -1191,6 +1203,10 @@ static void
> migrate_params_test_apply(MigrateSetParameters *params,
> > dest->cpu_throttle_tailslow = params->cpu_throttle_tailslow;
> > }
> >
> > + if (params->has_cpu_responsive_throttle) {
> > + dest->cpu_responsive_throttle = params->cpu_responsive_throttle;
> > + }
> > +
> > if (params->tls_creds) {
> > assert(params->tls_creds->type == QTYPE_QSTRING);
> > dest->tls_creds = params->tls_creds->u.s;
> > @@ -1302,6 +1318,10 @@ static void
> migrate_params_apply(MigrateSetParameters *params, Error **errp)
> > s->parameters.cpu_throttle_tailslow =
> params->cpu_throttle_tailslow;
> > }
> >
> > + if (params->has_cpu_responsive_throttle) {
> > + s->parameters.cpu_responsive_throttle =
> params->cpu_responsive_throttle;
> > + }
> > +
> > if (params->tls_creds) {
> > g_free(s->parameters.tls_creds);
> > assert(params->tls_creds->type == QTYPE_QSTRING);
> > diff --git a/migration/options.h b/migration/options.h
> > index a0bd6edc06..80d0fcdaf9 100644
> > --- a/migration/options.h
> > +++ b/migration/options.h
> > @@ -68,6 +68,7 @@ bool migrate_has_block_bitmap_mapping(void);
> > uint32_t migrate_checkpoint_delay(void);
> > uint8_t migrate_cpu_throttle_increment(void);
> > uint8_t migrate_cpu_throttle_initial(void);
> > +bool migrate_responsive_throttle(void);
> > bool migrate_cpu_throttle_tailslow(void);
> > bool migrate_direct_io(void);
> > uint64_t migrate_downtime_limit(void);
> > diff --git a/qapi/migration.json b/qapi/migration.json
> > index 95b490706c..c61d3b3a6b 100644
> > --- a/qapi/migration.json
> > +++ b/qapi/migration.json
> > @@ -732,6 +732,10 @@
> > # be excessive at tail stage. The default value is false. (Since
> > # 5.1)
> > #
> > +# @cpu-responsive-throttle: Make CPU throttling more responsively by
> > +# introduce an extra detection metric of
> > +# migration convergence. (Since 9.1)
> > +#
> > # @tls-creds: ID of the 'tls-creds' object that provides credentials
> > # for establishing a TLS connection over the migration data
> > # channel. On the outgoing side of the migration, the credentials
> > @@ -857,7 +861,7 @@
> > 'announce-rounds', 'announce-step',
> > 'throttle-trigger-threshold',
> > 'cpu-throttle-initial', 'cpu-throttle-increment',
> > - 'cpu-throttle-tailslow',
> > + 'cpu-throttle-tailslow', 'cpu-responsive-throttle',
> > 'tls-creds', 'tls-hostname', 'tls-authz', 'max-bandwidth',
> > 'avail-switchover-bandwidth', 'downtime-limit',
> > { 'name': 'x-checkpoint-delay', 'features': [ 'unstable' ] },
> > @@ -913,6 +917,10 @@
> > # be excessive at tail stage. The default value is false. (Since
> > # 5.1)
> > #
> > +# @cpu-responsive-throttle: Make CPU throttling more responsively by
> > +# introduce an extra detection metric of
> > +# migration convergence. (Since 9.1)
> > +#
> > # @tls-creds: ID of the 'tls-creds' object that provides credentials
> > # for establishing a TLS connection over the migration data
> > # channel. On the outgoing side of the migration, the credentials
> > @@ -1045,6 +1053,7 @@
> > '*cpu-throttle-initial': 'uint8',
> > '*cpu-throttle-increment': 'uint8',
> > '*cpu-throttle-tailslow': 'bool',
> > + '*cpu-responsive-throttle': 'bool',
>
> Should this instead follow the pattern of cpu-throttle-* ?
Ok
> > '*tls-creds': 'StrOrNull',
> > '*tls-hostname': 'StrOrNull',
> > '*tls-authz': 'StrOrNull',
> > @@ -1127,6 +1136,10 @@
> > # be excessive at tail stage. The default value is false. (Since
> > # 5.1)
> > #
> > +# @cpu-responsive-throttle: Make CPU throttling more responsively by
>
> s/responsively/responsive/ ?
>
> > +# introduce an extra detection metric of
> > +# migration convergence. (Since 9.1)
>
> Since 9.2. And double space after period.
>
> > +#
> > # @tls-creds: ID of the 'tls-creds' object that provides credentials
> > # for establishing a TLS connection over the migration data
> > # channel. On the outgoing side of the migration, the credentials
> > @@ -1252,6 +1265,7 @@
> > '*cpu-throttle-initial': 'uint8',
> > '*cpu-throttle-increment': 'uint8',
> > '*cpu-throttle-tailslow': 'bool',
> > + '*cpu-responsive-throttle': 'bool',
> > '*tls-creds': 'str',
> > '*tls-hostname': 'str',
> > '*tls-authz': 'str',
>
--
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