Re: [PATCH v5 2/5] migration/dirtyrate: Implement qemuDomainCalculateDirtyRate

Implement qemuDomainCalculateDirtyRate which calculates domain's memory dirty rate calling qmp "calc-dirty-rate". Signed-off-by: Hao Wang <wanghao232(a)huawei.com&gt; Signed-off-by: Zhou Yimin <zhouyimin(a)huawei.com&gt; Reviewed-by: Chuan Zheng <zhengchuan(a)huawei.com&gt; --- 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_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; +}