From 27862b9d31da6447b60f185cdad95764018c6bc6 Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Thu, 2 Mar 2023 00:59:13 +0100
Subject: [PATCH 40/56] migration: Create migrate_throttle_trigger_threshold()
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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 BrĂ¡s <leobras@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: quintela1 <quintela@redhat.com>
RH-Commit: [39/50] b8af9080c49be3d38bd2784d61289be89c03db3e (peterx/qemu-kvm)

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
(cherry picked from commit 6499efdb16e5c1288b4c8390d3bf68b313329b8b)
Signed-off-by: Peter Xu <peterx@redhat.com>
---
 migration/options.c | 9 +++++++++
 migration/options.h | 1 +
 migration/ram.c     | 3 +--
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/migration/options.c b/migration/options.c
index 2b6d88b4b9..b9f3815f7e 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -554,6 +554,15 @@ int migrate_multifd_zstd_level(void)
     return s->parameters.multifd_zstd_level;
 }
 
+uint8_t migrate_throttle_trigger_threshold(void)
+{
+    MigrationState *s;
+
+    s = migrate_get_current();
+
+    return s->parameters.throttle_trigger_threshold;
+}
+
 uint64_t migrate_xbzrle_cache_size(void)
 {
     MigrationState *s;
diff --git a/migration/options.h b/migration/options.h
index 96d5a8e6e4..aa54443353 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -55,6 +55,7 @@ int migrate_multifd_channels(void);
 MultiFDCompression migrate_multifd_compression(void);
 int migrate_multifd_zlib_level(void);
 int migrate_multifd_zstd_level(void);
+uint8_t migrate_throttle_trigger_threshold(void);
 uint64_t migrate_xbzrle_cache_size(void);
 
 #endif
diff --git a/migration/ram.c b/migration/ram.c
index 4576d0d849..e82cee97c3 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1178,8 +1178,7 @@ static void migration_update_rates(RAMState *rs, int64_t end_time)
 
 static void migration_trigger_throttle(RAMState *rs)
 {
-    MigrationState *s = migrate_get_current();
-    uint64_t threshold = s->parameters.throttle_trigger_threshold;
+    uint64_t threshold = migrate_throttle_trigger_threshold();
     uint64_t bytes_xfer_period =
         stat64_get(&ram_counters.transferred) - rs->bytes_xfer_prev;
     uint64_t bytes_dirty_period = rs->num_dirty_pages_period * TARGET_PAGE_SIZE;
-- 
2.39.1