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[PATCH v25 5/8] accel/kvm/kvm-all: Introduce kvm_dirty_ring_size functio
From: |
huangy81 |
Subject: |
[PATCH v25 5/8] accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function |
Date: |
Sun, 26 Jun 2022 01:38:34 +0800 |
From: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
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>
---
accel/kvm/kvm-all.c | 5 +++++
accel/stubs/kvm-stub.c | 5 +++++
include/sysemu/kvm.h | 2 ++
3 files changed, 12 insertions(+)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 672ed00..59b8ea1 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 3345882..2ac5f9c 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 a783c78..efd6dee 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
--
1.8.3.1
- [PATCH v25 0/8] support dirty restraint on vCPU, huangy81, 2022/06/25
- [PATCH v25 1/8] accel/kvm/kvm-all: Refactor per-vcpu dirty ring reaping, huangy81, 2022/06/25
- [PATCH v25 2/8] cpus: Introduce cpu_list_generation_id, huangy81, 2022/06/25
- [PATCH v25 3/8] migration/dirtyrate: Refactor dirty page rate calculation, huangy81, 2022/06/25
- [PATCH v25 4/8] softmmu/dirtylimit: Implement vCPU dirtyrate calculation periodically, huangy81, 2022/06/25
- [PATCH v25 5/8] accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function,
huangy81 <=
- [PATCH v25 6/8] softmmu/dirtylimit: Implement virtual CPU throttle, huangy81, 2022/06/25
- [PATCH v25 7/8] softmmu/dirtylimit: Implement dirty page rate limit, huangy81, 2022/06/25
- [PATCH v25 8/8] tests: Add dirty page rate limit test, huangy81, 2022/06/25