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authorRao, Lei <lei.rao@intel.com>2021-11-09 11:04:54 +0800
committerJuan Quintela <quintela@redhat.com>2021-11-09 08:48:36 +0100
commit91fe9a8dbd449a2f333aefb82ec8adb1f6424408 (patch)
treeee2a41d79e06642a4773cba5719b47e6e83f9e37 /migration/ram.c
parenta6a83cef9c581d210fd965fc7ac17e388db840dc (diff)
Reset the auto-converge counter at every checkpoint.
if we don't reset the auto-converge counter, it will continue to run with COLO running, and eventually the system will hang due to the CPU throttle reaching DEFAULT_MIGRATE_MAX_CPU_THROTTLE. Signed-off-by: Lei Rao <lei.rao@intel.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Lukas Straub <lukasstraub2@web.de> Tested-by: Lukas Straub <lukasstraub2@web.de> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration/ram.c')
-rw-r--r--migration/ram.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/migration/ram.c b/migration/ram.c
index f48cf4b0a5..863035d235 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -641,6 +641,15 @@ static void mig_throttle_guest_down(uint64_t bytes_dirty_period,
}
}
+void mig_throttle_counter_reset(void)
+{
+ RAMState *rs = ram_state;
+
+ rs->time_last_bitmap_sync = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
+ rs->num_dirty_pages_period = 0;
+ rs->bytes_xfer_prev = ram_counters.transferred;
+}
+
/**
* xbzrle_cache_zero_page: insert a zero page in the XBZRLE cache
*