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| author | Chuan Zheng <zhengchuan@huawei.com> | 2020-09-16 14:21:56 +0800 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2020-09-25 12:45:57 +0100 |
| commit | 4240dceeb3362d7589faf2ea88235ca91ae447e4 (patch) | |
| tree | e2912c39fd9b8ee04db40441831b299ada864835 /migration/dirtyrate.h | |
| parent | 2e2bce167ee7d54a339bbc4208dfb47979ec59b9 (diff) | |
| download | qemu-4240dceeb3362d7589faf2ea88235ca91ae447e4.zip qemu-4240dceeb3362d7589faf2ea88235ca91ae447e4.tar.gz qemu-4240dceeb3362d7589faf2ea88235ca91ae447e4.tar.bz2 | |
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>
Diffstat (limited to 'migration/dirtyrate.h')
| -rw-r--r-- | migration/dirtyrate.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h new file mode 100644 index 0000000..84ab940 --- /dev/null +++ b/migration/dirtyrate.h @@ -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 |