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[PATCH v2 1/3] KVM: introduce kvm_get_manual_dirty_log_protect
From: |
huangy81 |
Subject: |
[PATCH v2 1/3] KVM: introduce kvm_get_manual_dirty_log_protect |
Date: |
Tue, 13 Jul 2021 00:56:50 +0800 |
From: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
introduce kvm_get_manual_dirty_log_protect for measureing
dirtyrate via dirty bitmap. calculation of dirtyrate need
to sync dirty log and depends on the features of dirty log.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
---
accel/kvm/kvm-all.c | 6 ++++++
include/sysemu/kvm.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index e0e88a2..f7d9ae0 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -245,6 +245,12 @@ int kvm_get_max_memslots(void)
return s->nr_slots;
}
+uint64_t kvm_get_manual_dirty_log_protect(void)
+{
+ KVMState *s = KVM_STATE(current_accel());
+ return s->manual_dirty_log_protect;
+}
+
/* Called with KVMMemoryListener.slots_lock held */
static KVMSlot *kvm_get_free_slot(KVMMemoryListener *kml)
{
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 7b22aeb..b668d49 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -533,6 +533,7 @@ int kvm_set_one_reg(CPUState *cs, uint64_t id, void
*source);
int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target);
struct ppc_radix_page_info *kvm_get_radix_page_info(void);
int kvm_get_max_memslots(void);
+uint64_t kvm_get_manual_dirty_log_protect(void);
/* Notify resamplefd for EOI of specific interrupts. */
void kvm_resample_fd_notify(int gsi);
--
1.8.3.1