qemu-kvm/SOURCES/kvm-migration-Create-migrate_max_cpu_throttle.patch
2023-11-07 09:43:59 +00:00

89 lines
3.0 KiB
Diff

From f0d4e34b00f66d2336b755a34a1ba226571641c4 Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Thu, 2 Mar 2023 01:13:01 +0100
Subject: [PATCH 42/56] migration: Create migrate_max_cpu_throttle()
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: [41/50] fc7537c06d8e1f53d7bb552661f6ddb0133a978d (peterx/qemu-kvm)
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
(cherry picked from commit 24155bd0520035d5148c0af5b925932c4d8064a8)
Signed-off-by: Peter Xu <peterx@redhat.com>
---
migration/migration.h | 2 --
migration/options.c | 9 +++++++++
migration/options.h | 1 +
migration/ram.c | 2 +-
4 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/migration/migration.h b/migration/migration.h
index 86051af132..3ae938b19c 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -451,8 +451,6 @@ bool migrate_postcopy(void);
int migrate_use_tls(void);
-int migrate_max_cpu_throttle(void);
-
uint64_t ram_get_total_transferred_pages(void);
/* Sending on the return path - generic and then for each message type */
diff --git a/migration/options.c b/migration/options.c
index 0e102e5700..2cb04fbbd1 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -517,6 +517,15 @@ int migrate_decompress_threads(void)
return s->parameters.decompress_threads;
}
+uint8_t migrate_max_cpu_throttle(void)
+{
+ MigrationState *s;
+
+ s = migrate_get_current();
+
+ return s->parameters.max_cpu_throttle;
+}
+
int64_t migrate_max_postcopy_bandwidth(void)
{
MigrationState *s;
diff --git a/migration/options.h b/migration/options.h
index adc2879bbb..72b1a320b7 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -51,6 +51,7 @@ int migrate_compress_level(void);
int migrate_compress_threads(void);
int migrate_compress_wait_thread(void);
int migrate_decompress_threads(void);
+uint8_t migrate_max_cpu_throttle(void);
int64_t migrate_max_postcopy_bandwidth(void);
int migrate_multifd_channels(void);
MultiFDCompression migrate_multifd_compression(void);
diff --git a/migration/ram.c b/migration/ram.c
index e82cee97c3..5c786513ef 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -715,7 +715,7 @@ static void mig_throttle_guest_down(uint64_t bytes_dirty_period,
uint64_t pct_initial = s->parameters.cpu_throttle_initial;
uint64_t pct_increment = s->parameters.cpu_throttle_increment;
bool pct_tailslow = s->parameters.cpu_throttle_tailslow;
- int pct_max = s->parameters.max_cpu_throttle;
+ int pct_max = migrate_max_cpu_throttle();
uint64_t throttle_now = cpu_throttle_get_percentage();
uint64_t cpu_now, cpu_ideal, throttle_inc;
--
2.39.1