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From b6228b3122f5c1f220f92042277ab1bfbb5ba086 Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Thu, 2 Mar 2023 11:00:12 +0100
Subject: [PATCH 48/56] migration: Create migrate_max_bandwidth() function
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Peter Xu <peterx@redhat.com>
RH-MergeRequest: 162: migration: Pretty failures for postcopy on unsupported memory types
RH-Bugzilla: 2057267
RH-Acked-by: Leonardo Brás <leobras@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: quintela1 <quintela@redhat.com>
RH-Commit: [47/50] 3874656f70cb9c2a30f4d63e146539480d422326 (peterx/qemu-kvm)
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
(cherry picked from commit 9c894df3a37d675652390f7dbbe2f65b7bad7efa)
Signed-off-by: Peter Xu <peterx@redhat.com>
---
migration/migration.c | 70 +-------------------------------------
migration/options.c | 79 +++++++++++++++++++++++++++++++++++++++++++
migration/options.h | 1 +
3 files changed, 81 insertions(+), 69 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index 46a5ea4d42..c2e109329d 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -886,74 +886,6 @@ void migrate_send_rp_resume_ack(MigrationIncomingState *mis, uint32_t value)
migrate_send_rp_message(mis, MIG_RP_MSG_RESUME_ACK, sizeof(buf), &buf);
}
-MigrationParameters *qmp_query_migrate_parameters(Error **errp)
-{
- MigrationParameters *params;
- MigrationState *s = migrate_get_current();
-
- /* TODO use QAPI_CLONE() instead of duplicating it inline */
- params = g_malloc0(sizeof(*params));
- params->has_compress_level = true;
- params->compress_level = s->parameters.compress_level;
- params->has_compress_threads = true;
- params->compress_threads = s->parameters.compress_threads;
- params->has_compress_wait_thread = true;
- params->compress_wait_thread = s->parameters.compress_wait_thread;
- params->has_decompress_threads = true;
- params->decompress_threads = s->parameters.decompress_threads;
- params->has_throttle_trigger_threshold = true;
- params->throttle_trigger_threshold = s->parameters.throttle_trigger_threshold;
- params->has_cpu_throttle_initial = true;
- params->cpu_throttle_initial = s->parameters.cpu_throttle_initial;
- params->has_cpu_throttle_increment = true;
- 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->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 ?
- s->parameters.tls_authz : "");
- params->has_max_bandwidth = true;
- params->max_bandwidth = s->parameters.max_bandwidth;
- params->has_downtime_limit = true;
- params->downtime_limit = s->parameters.downtime_limit;
- params->has_x_checkpoint_delay = true;
- params->x_checkpoint_delay = s->parameters.x_checkpoint_delay;
- params->has_block_incremental = true;
- params->block_incremental = s->parameters.block_incremental;
- params->has_multifd_channels = true;
- params->multifd_channels = s->parameters.multifd_channels;
- params->has_multifd_compression = true;
- params->multifd_compression = s->parameters.multifd_compression;
- params->has_multifd_zlib_level = true;
- params->multifd_zlib_level = s->parameters.multifd_zlib_level;
- params->has_multifd_zstd_level = true;
- params->multifd_zstd_level = s->parameters.multifd_zstd_level;
- params->has_xbzrle_cache_size = true;
- params->xbzrle_cache_size = s->parameters.xbzrle_cache_size;
- params->has_max_postcopy_bandwidth = true;
- params->max_postcopy_bandwidth = s->parameters.max_postcopy_bandwidth;
- params->has_max_cpu_throttle = true;
- params->max_cpu_throttle = s->parameters.max_cpu_throttle;
- params->has_announce_initial = true;
- params->announce_initial = s->parameters.announce_initial;
- params->has_announce_max = true;
- params->announce_max = s->parameters.announce_max;
- params->has_announce_rounds = true;
- params->announce_rounds = s->parameters.announce_rounds;
- params->has_announce_step = true;
- params->announce_step = s->parameters.announce_step;
-
- if (s->parameters.has_block_bitmap_mapping) {
- params->has_block_bitmap_mapping = true;
- params->block_bitmap_mapping =
- QAPI_CLONE(BitmapMigrationNodeAliasList,
- s->parameters.block_bitmap_mapping);
- }
-
- return params;
-}
-
/*
* Return true if we're already in the middle of a migration
* (i.e. any of the active or setup states)
@@ -3775,7 +3707,7 @@ void migrate_fd_connect(MigrationState *s, Error *error_in)
XFER_LIMIT_RATIO;
} else {
/* This is a fresh new migration */
- rate_limit = s->parameters.max_bandwidth / XFER_LIMIT_RATIO;
+ rate_limit = migrate_max_bandwidth() / XFER_LIMIT_RATIO;
/* Notify before starting migration thread */
notifier_list_notify(&migration_state_notifiers, s);
diff --git a/migration/options.c b/migration/options.c
index 8bd2d949ae..8e8753d9be 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -12,8 +12,10 @@
*/
#include "qemu/osdep.h"
+#include "qapi/clone-visitor.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-migration.h"
+#include "qapi/qapi-visit-migration.h"
#include "qapi/qmp/qerror.h"
#include "sysemu/runstate.h"
#include "migration/misc.h"
@@ -562,6 +564,15 @@ uint8_t migrate_max_cpu_throttle(void)
return s->parameters.max_cpu_throttle;
}
+uint64_t migrate_max_bandwidth(void)
+{
+ MigrationState *s;
+
+ s = migrate_get_current();
+
+ return s->parameters.max_bandwidth;
+}
+
int64_t migrate_max_postcopy_bandwidth(void)
{
MigrationState *s;
@@ -641,3 +652,71 @@ AnnounceParameters *migrate_announce_params(void)
return &ap;
}
+
+MigrationParameters *qmp_query_migrate_parameters(Error **errp)
+{
+ MigrationParameters *params;
+ MigrationState *s = migrate_get_current();
+
+ /* TODO use QAPI_CLONE() instead of duplicating it inline */
+ params = g_malloc0(sizeof(*params));
+ params->has_compress_level = true;
+ params->compress_level = s->parameters.compress_level;
+ params->has_compress_threads = true;
+ params->compress_threads = s->parameters.compress_threads;
+ params->has_compress_wait_thread = true;
+ params->compress_wait_thread = s->parameters.compress_wait_thread;
+ params->has_decompress_threads = true;
+ params->decompress_threads = s->parameters.decompress_threads;
+ params->has_throttle_trigger_threshold = true;
+ params->throttle_trigger_threshold = s->parameters.throttle_trigger_threshold;
+ params->has_cpu_throttle_initial = true;
+ params->cpu_throttle_initial = s->parameters.cpu_throttle_initial;
+ params->has_cpu_throttle_increment = true;
+ 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->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 ?
+ s->parameters.tls_authz : "");
+ params->has_max_bandwidth = true;
+ params->max_bandwidth = s->parameters.max_bandwidth;
+ params->has_downtime_limit = true;
+ params->downtime_limit = s->parameters.downtime_limit;
+ params->has_x_checkpoint_delay = true;
+ params->x_checkpoint_delay = s->parameters.x_checkpoint_delay;
+ params->has_block_incremental = true;
+ params->block_incremental = s->parameters.block_incremental;
+ params->has_multifd_channels = true;
+ params->multifd_channels = s->parameters.multifd_channels;
+ params->has_multifd_compression = true;
+ params->multifd_compression = s->parameters.multifd_compression;
+ params->has_multifd_zlib_level = true;
+ params->multifd_zlib_level = s->parameters.multifd_zlib_level;
+ params->has_multifd_zstd_level = true;
+ params->multifd_zstd_level = s->parameters.multifd_zstd_level;
+ params->has_xbzrle_cache_size = true;
+ params->xbzrle_cache_size = s->parameters.xbzrle_cache_size;
+ params->has_max_postcopy_bandwidth = true;
+ params->max_postcopy_bandwidth = s->parameters.max_postcopy_bandwidth;
+ params->has_max_cpu_throttle = true;
+ params->max_cpu_throttle = s->parameters.max_cpu_throttle;
+ params->has_announce_initial = true;
+ params->announce_initial = s->parameters.announce_initial;
+ params->has_announce_max = true;
+ params->announce_max = s->parameters.announce_max;
+ params->has_announce_rounds = true;
+ params->announce_rounds = s->parameters.announce_rounds;
+ params->has_announce_step = true;
+ params->announce_step = s->parameters.announce_step;
+
+ if (s->parameters.has_block_bitmap_mapping) {
+ params->has_block_bitmap_mapping = true;
+ params->block_bitmap_mapping =
+ QAPI_CLONE(BitmapMigrationNodeAliasList,
+ s->parameters.block_bitmap_mapping);
+ }
+
+ return params;
+}
diff --git a/migration/options.h b/migration/options.h
index 093bc907a1..1b78fa9f3d 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -64,6 +64,7 @@ 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);
+uint64_t migrate_max_bandwidth(void);
int64_t migrate_max_postcopy_bandwidth(void);
int migrate_multifd_channels(void);
MultiFDCompression migrate_multifd_compression(void);
--
2.39.1
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