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authorHyman Huang(黄勇) <huangy81@chinatelecom.cn>2022-06-26 01:38:34 +0800
committerDr. David Alan Gilbert <dgilbert@redhat.com>2022-07-20 12:15:08 +0100
commit4a06a7cc053deae16864359a5149bcb4442f8d2a (patch)
tree65ef59c2c8e88b7bdc537b0c6c790e8f26274324
parentcc2b33eab03710ae9dcb3ff68e8fcc634d1e9ad2 (diff)
accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function
Introduce kvm_dirty_ring_size util function to help calculate dirty ring ful time. Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn> Acked-by: Peter Xu <peterx@redhat.com> Message-Id: <f9ce1f550bfc0e3a1f711e17b1dbc8f701700e56.1656177590.git.huangy81@chinatelecom.cn> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-rw-r--r--accel/kvm/kvm-all.c5
-rw-r--r--accel/stubs/kvm-stub.c5
-rw-r--r--include/sysemu/kvm.h2
3 files changed, 12 insertions, 0 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index ce989a68ff..184aecab5c 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -2318,6 +2318,11 @@ static void query_stats_cb(StatsResultList **result, StatsTarget target,
strList *names, strList *targets, Error **errp);
static void query_stats_schemas_cb(StatsSchemaList **result, Error **errp);
+uint32_t kvm_dirty_ring_size(void)
+{
+ return kvm_state->kvm_dirty_ring_size;
+}
+
static int kvm_init(MachineState *ms)
{
MachineClass *mc = MACHINE_GET_CLASS(ms);
diff --git a/accel/stubs/kvm-stub.c b/accel/stubs/kvm-stub.c
index 3345882d85..2ac5f9c036 100644
--- a/accel/stubs/kvm-stub.c
+++ b/accel/stubs/kvm-stub.c
@@ -148,3 +148,8 @@ bool kvm_dirty_ring_enabled(void)
{
return false;
}
+
+uint32_t kvm_dirty_ring_size(void)
+{
+ return 0;
+}
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index a783c78868..efd6dee818 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -582,4 +582,6 @@ bool kvm_cpu_check_are_resettable(void);
bool kvm_arch_cpu_check_are_resettable(void);
bool kvm_dirty_ring_enabled(void);
+
+uint32_t kvm_dirty_ring_size(void);
#endif