You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
3.0 KiB
89 lines
3.0 KiB
1 year ago
|
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
|
||
|
|
|