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migration: Promote improved autoconverge commands out of experimental state 

The new autoconverge throttling commands have been tested for a release now. It
is time to move them out of the experimental state.

Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Message-Id: <1461262038-8197-1-git-send-email-jjherne@linux.vnet.ibm.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
This commit is contained in:
Jason J. Herne 2016-04-21 14:07:18 -04:00 committed by Amit Shah
parent b72fe9e690
commit d85a31d1f4
5 changed files with 82 additions and 82 deletions
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28
hmp.c
View File

@ -235,9 +235,9 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict)
info->xbzrle_cache->overflow);
}
if (info->has_x_cpu_throttle_percentage) {
if (info->has_cpu_throttle_percentage) {
monitor_printf(mon, "cpu throttle percentage: %" PRIu64 "\n",
info->x_cpu_throttle_percentage);
info->cpu_throttle_percentage);
}
qapi_free_MigrationInfo(info);
@ -281,11 +281,11 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict)
MigrationParameter_lookup[MIGRATION_PARAMETER_DECOMPRESS_THREADS],
params->decompress_threads);
monitor_printf(mon, " %s: %" PRId64,
MigrationParameter_lookup[MIGRATION_PARAMETER_X_CPU_THROTTLE_INITIAL],
params->x_cpu_throttle_initial);
MigrationParameter_lookup[MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL],
params->cpu_throttle_initial);
monitor_printf(mon, " %s: %" PRId64,
MigrationParameter_lookup[MIGRATION_PARAMETER_X_CPU_THROTTLE_INCREMENT],
params->x_cpu_throttle_increment);
MigrationParameter_lookup[MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT],
params->cpu_throttle_increment);
monitor_printf(mon, "\n");
}
@ -1240,8 +1240,8 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
bool has_compress_level = false;
bool has_compress_threads = false;
bool has_decompress_threads = false;
bool has_x_cpu_throttle_initial = false;
bool has_x_cpu_throttle_increment = false;
bool has_cpu_throttle_initial = false;
bool has_cpu_throttle_increment = false;
int i;
for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
@ -1256,18 +1256,18 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
case MIGRATION_PARAMETER_DECOMPRESS_THREADS:
has_decompress_threads = true;
break;
case MIGRATION_PARAMETER_X_CPU_THROTTLE_INITIAL:
has_x_cpu_throttle_initial = true;
case MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL:
has_cpu_throttle_initial = true;
break;
case MIGRATION_PARAMETER_X_CPU_THROTTLE_INCREMENT:
has_x_cpu_throttle_increment = true;
case MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT:
has_cpu_throttle_increment = true;
break;
}
qmp_migrate_set_parameters(has_compress_level, value,
has_compress_threads, value,
has_decompress_threads, value,
has_x_cpu_throttle_initial, value,
has_x_cpu_throttle_increment, value,
has_cpu_throttle_initial, value,
has_cpu_throttle_increment, value,
&err);
break;
}

56
migration/migration.c
View File

@ -50,8 +50,8 @@
/*0: means nocompress, 1: best speed, ... 9: best compress ratio */
#define DEFAULT_MIGRATE_COMPRESS_LEVEL 1
/* Define default autoconverge cpu throttle migration parameters */
#define DEFAULT_MIGRATE_X_CPU_THROTTLE_INITIAL 20
#define DEFAULT_MIGRATE_X_CPU_THROTTLE_INCREMENT 10
#define DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL 20
#define DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT 10
/* Migration XBZRLE default cache size */
#define DEFAULT_MIGRATE_CACHE_SIZE (64 * 1024 * 1024)
@ -87,10 +87,10 @@ MigrationState *migrate_get_current(void)
DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT,
.parameters[MIGRATION_PARAMETER_DECOMPRESS_THREADS] =
DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT,
.parameters[MIGRATION_PARAMETER_X_CPU_THROTTLE_INITIAL] =
DEFAULT_MIGRATE_X_CPU_THROTTLE_INITIAL,
.parameters[MIGRATION_PARAMETER_X_CPU_THROTTLE_INCREMENT] =
DEFAULT_MIGRATE_X_CPU_THROTTLE_INCREMENT,
.parameters[MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL] =
DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL,
.parameters[MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT] =
DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT,
};
if (!once) {
@ -521,10 +521,10 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp)
s->parameters[MIGRATION_PARAMETER_COMPRESS_THREADS];
params->decompress_threads =
s->parameters[MIGRATION_PARAMETER_DECOMPRESS_THREADS];
params->x_cpu_throttle_initial =
s->parameters[MIGRATION_PARAMETER_X_CPU_THROTTLE_INITIAL];
params->x_cpu_throttle_increment =
s->parameters[MIGRATION_PARAMETER_X_CPU_THROTTLE_INCREMENT];
params->cpu_throttle_initial =
s->parameters[MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL];
params->cpu_throttle_increment =
s->parameters[MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT];
return params;
}
@ -607,8 +607,8 @@ MigrationInfo *qmp_query_migrate(Error **errp)
}
if (cpu_throttle_active()) {
info->has_x_cpu_throttle_percentage = true;
info->x_cpu_throttle_percentage = cpu_throttle_get_percentage();
info->has_cpu_throttle_percentage = true;
info->cpu_throttle_percentage = cpu_throttle_get_percentage();
}
get_xbzrle_cache_stats(info);
@ -718,10 +718,10 @@ void qmp_migrate_set_parameters(bool has_compress_level,
int64_t compress_threads,
bool has_decompress_threads,
int64_t decompress_threads,
bool has_x_cpu_throttle_initial,
int64_t x_cpu_throttle_initial,
bool has_x_cpu_throttle_increment,
int64_t x_cpu_throttle_increment, Error **errp)
bool has_cpu_throttle_initial,
int64_t cpu_throttle_initial,
bool has_cpu_throttle_increment,
int64_t cpu_throttle_increment, Error **errp)
{
MigrationState *s = migrate_get_current();
@ -744,16 +744,16 @@ void qmp_migrate_set_parameters(bool has_compress_level,
"is invalid, it should be in the range of 1 to 255");
return;
}
if (has_x_cpu_throttle_initial &&
(x_cpu_throttle_initial < 1 || x_cpu_throttle_initial > 99)) {
if (has_cpu_throttle_initial &&
(cpu_throttle_initial < 1 || cpu_throttle_initial > 99)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
"x_cpu_throttle_initial",
"cpu_throttle_initial",
"an integer in the range of 1 to 99");
}
if (has_x_cpu_throttle_increment &&
(x_cpu_throttle_increment < 1 || x_cpu_throttle_increment > 99)) {
if (has_cpu_throttle_increment &&
(cpu_throttle_increment < 1 || cpu_throttle_increment > 99)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
"x_cpu_throttle_increment",
"cpu_throttle_increment",
"an integer in the range of 1 to 99");
}
@ -767,14 +767,14 @@ void qmp_migrate_set_parameters(bool has_compress_level,
s->parameters[MIGRATION_PARAMETER_DECOMPRESS_THREADS] =
decompress_threads;
}
if (has_x_cpu_throttle_initial) {
s->parameters[MIGRATION_PARAMETER_X_CPU_THROTTLE_INITIAL] =
x_cpu_throttle_initial;
if (has_cpu_throttle_initial) {
s->parameters[MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL] =
cpu_throttle_initial;
}
if (has_x_cpu_throttle_increment) {
s->parameters[MIGRATION_PARAMETER_X_CPU_THROTTLE_INCREMENT] =
x_cpu_throttle_increment;
if (has_cpu_throttle_increment) {
s->parameters[MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT] =
cpu_throttle_increment;
}
}

4
migration/ram.c
View File

@ -430,9 +430,9 @@ static void mig_throttle_guest_down(void)
{
MigrationState *s = migrate_get_current();
uint64_t pct_initial =
s->parameters[MIGRATION_PARAMETER_X_CPU_THROTTLE_INITIAL];
s->parameters[MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL];
uint64_t pct_icrement =
s->parameters[MIGRATION_PARAMETER_X_CPU_THROTTLE_INCREMENT];
s->parameters[MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT];
/* We have not started throttling yet. Let's start it. */
if (!cpu_throttle_active()) {

54
qapi-schema.json
View File

@ -480,9 +480,9 @@
# may be expensive, but do not actually occur during the iterative
# migration rounds themselves. (since 1.6)
#
# @x-cpu-throttle-percentage: #optional percentage of time guest cpus are being
# throttled during auto-converge. This is only present when auto-converge
# has started throttling guest cpus. (Since 2.5)
# @cpu-throttle-percentage: #optional percentage of time guest cpus are being
# throttled during auto-converge. This is only present when auto-converge
# has started throttling guest cpus. (Since 2.7)
#
# Since: 0.14.0
##
@ -494,7 +494,7 @@
'*expected-downtime': 'int',
'*downtime': 'int',
'*setup-time': 'int',
'*x-cpu-throttle-percentage': 'int'} }
'*cpu-throttle-percentage': 'int'} }
##
# @query-migrate
@ -605,18 +605,18 @@
# compression, so set the decompress-threads to the number about 1/4
# of compress-threads is adequate.
#
# @x-cpu-throttle-initial: Initial percentage of time guest cpus are throttled
# when migration auto-converge is activated. The
# default value is 20. (Since 2.5)
# @cpu-throttle-initial: Initial percentage of time guest cpus are throttled
# when migration auto-converge is activated. The
# default value is 20. (Since 2.7)
#
# @x-cpu-throttle-increment: throttle percentage increase each time
# auto-converge detects that migration is not making
# progress. The default value is 10. (Since 2.5)
# @cpu-throttle-increment: throttle percentage increase each time
# auto-converge detects that migration is not making
# progress. The default value is 10. (Since 2.7)
# Since: 2.4
##
{ 'enum': 'MigrationParameter',
'data': ['compress-level', 'compress-threads', 'decompress-threads',
'x-cpu-throttle-initial', 'x-cpu-throttle-increment'] }
'cpu-throttle-initial', 'cpu-throttle-increment'] }
#
# @migrate-set-parameters
@ -629,21 +629,21 @@
#
# @decompress-threads: decompression thread count
#
# @x-cpu-throttle-initial: Initial percentage of time guest cpus are throttled
# when migration auto-converge is activated. The
# default value is 20. (Since 2.5)
# @cpu-throttle-initial: Initial percentage of time guest cpus are throttled
# when migration auto-converge is activated. The
# default value is 20. (Since 2.7)
#
# @x-cpu-throttle-increment: throttle percentage increase each time
# auto-converge detects that migration is not making
# progress. The default value is 10. (Since 2.5)
# @cpu-throttle-increment: throttle percentage increase each time
# auto-converge detects that migration is not making
# progress. The default value is 10. (Since 2.7)
# Since: 2.4
##
{ 'command': 'migrate-set-parameters',
'data': { '*compress-level': 'int',
'*compress-threads': 'int',
'*decompress-threads': 'int',
'*x-cpu-throttle-initial': 'int',
'*x-cpu-throttle-increment': 'int'} }
'*cpu-throttle-initial': 'int',
'*cpu-throttle-increment': 'int'} }
#
# @MigrationParameters
@ -654,13 +654,13 @@
#
# @decompress-threads: decompression thread count
#
# @x-cpu-throttle-initial: Initial percentage of time guest cpus are throttled
# when migration auto-converge is activated. The
# default value is 20. (Since 2.5)
# @cpu-throttle-initial: Initial percentage of time guest cpus are throttled
# when migration auto-converge is activated. The
# default value is 20. (Since 2.7)
#
# @x-cpu-throttle-increment: throttle percentage increase each time
# auto-converge detects that migration is not making
# progress. The default value is 10. (Since 2.5)
# @cpu-throttle-increment: throttle percentage increase each time
# auto-converge detects that migration is not making
# progress. The default value is 10. (Since 2.7)
#
# Since: 2.4
##
@ -668,8 +668,8 @@
'data': { 'compress-level': 'int',
'compress-threads': 'int',
'decompress-threads': 'int',
'x-cpu-throttle-initial': 'int',
'x-cpu-throttle-increment': 'int'} }
'cpu-throttle-initial': 'int',
'cpu-throttle-increment': 'int'} }
##
# @query-migrate-parameters
#

22
qmp-commands.hx
View File

@ -3747,10 +3747,10 @@ Set migration parameters
- "compress-level": set compression level during migration (json-int)
- "compress-threads": set compression thread count for migration (json-int)
- "decompress-threads": set decompression thread count for migration (json-int)
- "x-cpu-throttle-initial": set initial percentage of time guest cpus are
throttled for auto-converge (json-int)
- "x-cpu-throttle-increment": set throttle increasing percentage for
auto-converge (json-int)
- "cpu-throttle-initial": set initial percentage of time guest cpus are
throttled for auto-converge (json-int)
- "cpu-throttle-increment": set throttle increasing percentage for
auto-converge (json-int)
Arguments:
@ -3764,7 +3764,7 @@ EQMP
{
.name = "migrate-set-parameters",
.args_type =
"compress-level:i?,compress-threads:i?,decompress-threads:i?,x-cpu-throttle-initial:i?,x-cpu-throttle-increment:i?",
"compress-level:i?,compress-threads:i?,decompress-threads:i?,cpu-throttle-initial:i?,cpu-throttle-increment:i?",
.mhandler.cmd_new = qmp_marshal_migrate_set_parameters,
},
SQMP
@ -3777,10 +3777,10 @@ Query current migration parameters
- "compress-level" : compression level value (json-int)
- "compress-threads" : compression thread count value (json-int)
- "decompress-threads" : decompression thread count value (json-int)
- "x-cpu-throttle-initial" : initial percentage of time guest cpus are
throttled (json-int)
- "x-cpu-throttle-increment" : throttle increasing percentage for
auto-converge (json-int)
- "cpu-throttle-initial" : initial percentage of time guest cpus are
throttled (json-int)
- "cpu-throttle-increment" : throttle increasing percentage for
auto-converge (json-int)
Arguments:
@ -3790,10 +3790,10 @@ Example:
<- {
"return": {
"decompress-threads": 2,
"x-cpu-throttle-increment": 10,
"cpu-throttle-increment": 10,
"compress-threads": 8,
"compress-level": 1,
"x-cpu-throttle-initial": 20
"cpu-throttle-initial": 20
}
}