|
 |
1be5c7 |
From 82637509cc9197ad9d1e1b286a608bf0da04b7b3 Mon Sep 17 00:00:00 2001
|
|
|
1be5c7 |
From: David Edmondson <david.edmondson@oracle.com>
|
|
|
1be5c7 |
Date: Tue, 21 Dec 2021 09:34:41 +0000
|
|
|
1be5c7 |
Subject: [PATCH 2/9] migration: Tally pre-copy, downtime and post-copy bytes
|
|
|
1be5c7 |
independently
|
|
|
1be5c7 |
MIME-Version: 1.0
|
|
|
1be5c7 |
Content-Type: text/plain; charset=UTF-8
|
|
|
1be5c7 |
Content-Transfer-Encoding: 8bit
|
|
|
1be5c7 |
|
|
|
1be5c7 |
RH-Author: Leonardo Brás <leobras@redhat.com>
|
|
|
1be5c7 |
RH-MergeRequest: 201: Zero-copy-send fixes + improvements
|
|
|
1be5c7 |
RH-Commit: [2/8] 7d1bf37a3d93da88da6525d70fc1fce1abb92b83
|
|
|
1be5c7 |
RH-Bugzilla: 2110203
|
|
|
1be5c7 |
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
|
1be5c7 |
RH-Acked-by: Peter Xu <peterx@redhat.com>
|
|
|
1be5c7 |
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
1be5c7 |
|
|
|
1be5c7 |
Provide information on the number of bytes copied in the pre-copy,
|
|
|
1be5c7 |
downtime and post-copy phases of migration.
|
|
|
1be5c7 |
|
|
|
1be5c7 |
Signed-off-by: David Edmondson <david.edmondson@oracle.com>
|
|
|
1be5c7 |
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
|
|
|
1be5c7 |
Reviewed-by: Juan Quintela <quintela@redhat.com>
|
|
|
1be5c7 |
Signed-off-by: Juan Quintela <quintela@redhat.com>
|
|
|
1be5c7 |
(cherry picked from commit ae6806688016711bb9ec7541266d76ab511c5e3b)
|
|
|
1be5c7 |
Signed-off-by: Leonardo Bras <leobras@redhat.com>
|
|
|
1be5c7 |
---
|
|
|
1be5c7 |
migration/migration.c | 3 +++
|
|
|
1be5c7 |
migration/ram.c | 7 +++++++
|
|
|
1be5c7 |
monitor/hmp-cmds.c | 12 ++++++++++++
|
|
|
1be5c7 |
qapi/migration.json | 13 ++++++++++++-
|
|
|
1be5c7 |
4 files changed, 34 insertions(+), 1 deletion(-)
|
|
|
1be5c7 |
|
|
|
1be5c7 |
diff --git a/migration/migration.c b/migration/migration.c
|
|
|
1be5c7 |
index 616c3ff32e..e100b30f00 100644
|
|
|
1be5c7 |
--- a/migration/migration.c
|
|
|
1be5c7 |
+++ b/migration/migration.c
|
|
|
1be5c7 |
@@ -1016,6 +1016,9 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
|
|
|
1be5c7 |
info->ram->page_size = page_size;
|
|
|
1be5c7 |
info->ram->multifd_bytes = ram_counters.multifd_bytes;
|
|
|
1be5c7 |
info->ram->pages_per_second = s->pages_per_second;
|
|
|
1be5c7 |
+ info->ram->precopy_bytes = ram_counters.precopy_bytes;
|
|
|
1be5c7 |
+ info->ram->downtime_bytes = ram_counters.downtime_bytes;
|
|
|
1be5c7 |
+ info->ram->postcopy_bytes = ram_counters.postcopy_bytes;
|
|
|
1be5c7 |
|
|
|
1be5c7 |
if (migrate_use_xbzrle()) {
|
|
|
1be5c7 |
info->has_xbzrle_cache = true;
|
|
|
1be5c7 |
diff --git a/migration/ram.c b/migration/ram.c
|
|
|
1be5c7 |
index 3e82c4ff46..e7173da217 100644
|
|
|
1be5c7 |
--- a/migration/ram.c
|
|
|
1be5c7 |
+++ b/migration/ram.c
|
|
|
1be5c7 |
@@ -393,6 +393,13 @@ MigrationStats ram_counters;
|
|
|
1be5c7 |
|
|
|
1be5c7 |
static void ram_transferred_add(uint64_t bytes)
|
|
|
1be5c7 |
{
|
|
|
1be5c7 |
+ if (runstate_is_running()) {
|
|
|
1be5c7 |
+ ram_counters.precopy_bytes += bytes;
|
|
|
1be5c7 |
+ } else if (migration_in_postcopy()) {
|
|
|
1be5c7 |
+ ram_counters.postcopy_bytes += bytes;
|
|
|
1be5c7 |
+ } else {
|
|
|
1be5c7 |
+ ram_counters.downtime_bytes += bytes;
|
|
|
1be5c7 |
+ }
|
|
|
1be5c7 |
ram_counters.transferred += bytes;
|
|
|
1be5c7 |
}
|
|
|
1be5c7 |
|
|
|
1be5c7 |
diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
|
|
|
1be5c7 |
index 2669156b28..8c384dc1b2 100644
|
|
|
1be5c7 |
--- a/monitor/hmp-cmds.c
|
|
|
1be5c7 |
+++ b/monitor/hmp-cmds.c
|
|
|
1be5c7 |
@@ -293,6 +293,18 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict)
|
|
|
1be5c7 |
monitor_printf(mon, "postcopy request count: %" PRIu64 "\n",
|
|
|
1be5c7 |
info->ram->postcopy_requests);
|
|
|
1be5c7 |
}
|
|
|
1be5c7 |
+ if (info->ram->precopy_bytes) {
|
|
|
1be5c7 |
+ monitor_printf(mon, "precopy ram: %" PRIu64 " kbytes\n",
|
|
|
1be5c7 |
+ info->ram->precopy_bytes >> 10);
|
|
|
1be5c7 |
+ }
|
|
|
1be5c7 |
+ if (info->ram->downtime_bytes) {
|
|
|
1be5c7 |
+ monitor_printf(mon, "downtime ram: %" PRIu64 " kbytes\n",
|
|
|
1be5c7 |
+ info->ram->downtime_bytes >> 10);
|
|
|
1be5c7 |
+ }
|
|
|
1be5c7 |
+ if (info->ram->postcopy_bytes) {
|
|
|
1be5c7 |
+ monitor_printf(mon, "postcopy ram: %" PRIu64 " kbytes\n",
|
|
|
1be5c7 |
+ info->ram->postcopy_bytes >> 10);
|
|
|
1be5c7 |
+ }
|
|
|
1be5c7 |
}
|
|
|
1be5c7 |
|
|
|
1be5c7 |
if (info->has_disk) {
|
|
|
1be5c7 |
diff --git a/qapi/migration.json b/qapi/migration.json
|
|
|
1be5c7 |
index fe70a0c4b2..c8ec260ab0 100644
|
|
|
1be5c7 |
--- a/qapi/migration.json
|
|
|
1be5c7 |
+++ b/qapi/migration.json
|
|
|
1be5c7 |
@@ -46,6 +46,15 @@
|
|
|
1be5c7 |
# @pages-per-second: the number of memory pages transferred per second
|
|
|
1be5c7 |
# (Since 4.0)
|
|
|
1be5c7 |
#
|
|
|
1be5c7 |
+# @precopy-bytes: The number of bytes sent in the pre-copy phase
|
|
|
1be5c7 |
+# (since 7.0).
|
|
|
1be5c7 |
+#
|
|
|
1be5c7 |
+# @downtime-bytes: The number of bytes sent while the guest is paused
|
|
|
1be5c7 |
+# (since 7.0).
|
|
|
1be5c7 |
+#
|
|
|
1be5c7 |
+# @postcopy-bytes: The number of bytes sent during the post-copy phase
|
|
|
1be5c7 |
+# (since 7.0).
|
|
|
1be5c7 |
+#
|
|
|
1be5c7 |
# Since: 0.14
|
|
|
1be5c7 |
##
|
|
|
1be5c7 |
{ 'struct': 'MigrationStats',
|
|
|
1be5c7 |
@@ -54,7 +63,9 @@
|
|
|
1be5c7 |
'normal-bytes': 'int', 'dirty-pages-rate' : 'int',
|
|
|
1be5c7 |
'mbps' : 'number', 'dirty-sync-count' : 'int',
|
|
|
1be5c7 |
'postcopy-requests' : 'int', 'page-size' : 'int',
|
|
|
1be5c7 |
- 'multifd-bytes' : 'uint64', 'pages-per-second' : 'uint64' } }
|
|
|
1be5c7 |
+ 'multifd-bytes' : 'uint64', 'pages-per-second' : 'uint64',
|
|
|
1be5c7 |
+ 'precopy-bytes' : 'uint64', 'downtime-bytes' : 'uint64',
|
|
|
1be5c7 |
+ 'postcopy-bytes' : 'uint64' } }
|
|
|
1be5c7 |
|
|
|
1be5c7 |
##
|
|
|
1be5c7 |
# @XBZRLECacheStats:
|
|
|
1be5c7 |
--
|
|
|
1be5c7 |
2.31.1
|
|
|
1be5c7 |
|