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migration/dirtyrate: setup up query-dirtyrate framwork 

Add get_dirtyrate_thread() functions to setup query-dirtyrate
framework.

Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
Signed-off-by: YanYing Zhuang <ann.zhuangyanying@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Message-Id: <1600237327-33618-2-git-send-email-zhengchuan@huawei.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
master
Chuan Zheng 2020-09-16 14:21:56 +08:00 committed by Dr. David Alan Gilbert
parent 2e2bce167e
commit 4240dceeb3
3 changed files with 67 additions and 1 deletions
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38
migration/dirtyrate.c Normal file
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@ -0,0 +1,38 @@
/*
* Dirtyrate implement code
*
* Copyright (c) 2020 HUAWEI TECHNOLOGIES CO.,LTD.
*
* Authors:
* Chuan Zheng <zhengchuan@huawei.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "cpu.h"
#include "qemu/config-file.h"
#include "exec/memory.h"
#include "exec/ramblock.h"
#include "exec/target_page.h"
#include "qemu/rcu_queue.h"
#include "qapi/qapi-commands-migration.h"
#include "migration.h"
#include "dirtyrate.h"
static void calculate_dirtyrate(struct DirtyRateConfig config)
{
/* todo */
return;
}
void *get_dirtyrate_thread(void *arg)
{
struct DirtyRateConfig config = *(struct DirtyRateConfig *)arg;
calculate_dirtyrate(config);
return NULL;
}

28
migration/dirtyrate.h Normal file
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@ -0,0 +1,28 @@
/*
* Dirtyrate common functions
*
* Copyright (c) 2020 HUAWEI TECHNOLOGIES CO., LTD.
*
* Authors:
* Chuan Zheng <zhengchuan@huawei.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef QEMU_MIGRATION_DIRTYRATE_H
#define QEMU_MIGRATION_DIRTYRATE_H
/*
* Sample 512 pages per GB as default.
* TODO: Make it configurable.
*/
#define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512
struct DirtyRateConfig {
uint64_t sample_pages_per_gigabytes; /* sample pages per GB */
int64_t sample_period_seconds; /* time duration between two sampling */
};
void *get_dirtyrate_thread(void *arg);
#endif

2
migration/meson.build
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@ -37,4 +37,4 @@ softmmu_ss.add(when: ['CONFIG_RDMA', rdma], if_true: files('rdma.c'))
softmmu_ss.add(when: 'CONFIG_LIVE_BLOCK_MIGRATION', if_true: files('block.c'))
softmmu_ss.add(when: 'CONFIG_ZSTD', if_true: [files('multifd-zstd.c'), zstd])
specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files('ram.c'))
specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files('dirtyrate.c', 'ram.c'))