3:55 a.m.
Implement qemuDomainCalculateDirtyRate which calculates domain's memory
dirty rate calling qmp "calc-dirty-rate".
Signed-off-by: Hao Wang <wanghao232(a)huawei.com>
Signed-off-by: Zhou Yimin <zhouyimin(a)huawei.com>
Reviewed-by: Chuan Zheng <zhengchuan(a)huawei.com>
---
src/qemu/qemu_migration.c | 25 +++++++++++++++++++++++++
src/qemu/qemu_migration.h | 5 +++++
src/qemu/qemu_monitor.c | 12 ++++++++++++
src/qemu/qemu_monitor.h | 4 ++++
src/qemu/qemu_monitor_json.c | 22 ++++++++++++++++++++++
src/qemu/qemu_monitor_json.h | 4 ++++
6 files changed, 72 insertions(+)
diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 0adfdb9351..226fe5395e 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -5891,3 +5891,28 @@ qemuMigrationSrcFetchMirrorStats(virQEMUDriverPtr driver,
virHashFree(blockinfo);
return 0;
}
+
+
+int
+qemuDomainCalculateDirtyRate(virQEMUDriverPtr driver,
+ virDomainObjPtr vm,
+ int sec)
+{
+ qemuDomainObjPrivatePtr priv = vm->privateData;
+ int ret;
+
+ VIR_DEBUG("Calculate dirty rate during %d seconds", sec);
+
+ if (!virDomainObjIsActive(vm)) {
+ virReportError(VIR_ERR_OPERATION_INVALID,
+ "%s", _("domain is not running"));
+ return -1;
+ }
+
+ qemuDomainObjEnterMonitor(driver, vm);
+ ret = qemuMonitorCalculateDirtyRate(priv->mon, sec);
+ if (qemuDomainObjExitMonitor(driver, vm) < 0)
+ ret = -1;
+
+ return ret;
+}
diff --git a/src/qemu/qemu_migration.h b/src/qemu/qemu_migration.h
index fd9eb7cab0..6b1f4a8eea 100644
--- a/src/qemu/qemu_migration.h
+++ b/src/qemu/qemu_migration.h
@@ -258,3 +258,8 @@ qemuMigrationSrcFetchMirrorStats(virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuDomainAsyncJob asyncJob,
qemuDomainJobInfoPtr jobInfo);
+
+int
+qemuDomainCalculateDirtyRate(virQEMUDriverPtr driver,
+ virDomainObjPtr vm,
+ int sec);
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 09b8617097..51bc9182f3 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -4713,3 +4713,15 @@ qemuMonitorTransactionBackup(virJSONValuePtr actions,
return qemuMonitorJSONTransactionBackup(actions, device, jobname, target,
bitmap, syncmode);
}
+
+
+int
+qemuMonitorCalculateDirtyRate(qemuMonitorPtr mon,
+ int sec)
+{
+ VIR_DEBUG("seconds=%d", sec);
+
+ QEMU_CHECK_MONITOR(mon);
+
+ return qemuMonitorJSONCalculateDirtyRate(mon, sec);
+}
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index a07617ec28..a11a5dc21c 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -1516,3 +1516,7 @@ qemuMonitorTransactionBackup(virJSONValuePtr actions,
const char *target,
const char *bitmap,
qemuMonitorTransactionBackupSyncMode syncmode);
+
+int
+qemuMonitorCalculateDirtyRate(qemuMonitorPtr mon,
+ int sec);
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 8a75a2734e..bb85513aa6 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -9452,3 +9452,25 @@ qemuMonitorJSONGetCPUMigratable(qemuMonitorPtr mon,
return virJSONValueGetBoolean(virJSONValueObjectGet(reply, "return"),
migratable);
}
+
+
+int
+qemuMonitorJSONCalculateDirtyRate(qemuMonitorPtr mon,
+ int sec)
+{
+ g_autoptr(virJSONValue) cmd = NULL;
+ g_autoptr(virJSONValue) reply = NULL;
+
+ if (!(cmd = qemuMonitorJSONMakeCommand("calc-dirty-rate",
+ "I:calc-time", sec,
+ NULL)))
+ return -1;
+
+ if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
+ return -1;
+
+ if (qemuMonitorJSONCheckError(cmd, reply) < 0)
+ return -1;
+
+ return 0;
+}
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index ba1531fee8..cc59d2c078 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -705,3 +705,7 @@ int qemuMonitorJSONSetDBusVMStateIdList(qemuMonitorPtr mon,
int
qemuMonitorJSONGetCPUMigratable(qemuMonitorPtr mon,
bool *migratable);
+
+int
+qemuMonitorJSONCalculateDirtyRate(qemuMonitorPtr mon,
+ int sec);
--
2.23.0