15699cf542
Extend query-migrate to provide throttle time and estimated ring full time with dirty-limit capability enabled, through which we can observe if dirty limit take effect during live migration. Signed-off-by: Hyman Huang(黄勇) <yong.huang@smartx.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-ID: <168733225273.5845.15871826788879741674-8@git.sr.ht> Signed-off-by: Juan Quintela <quintela@redhat.com>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
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* Dirty page rate limit common functions
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*
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* Copyright (c) 2022 CHINA TELECOM CO.,LTD.
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*
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* Authors:
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* Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_DIRTYRLIMIT_H
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#define QEMU_DIRTYRLIMIT_H
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#define DIRTYLIMIT_CALC_TIME_MS 1000 /* 1000ms */
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int64_t vcpu_dirty_rate_get(int cpu_index);
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void vcpu_dirty_rate_stat_start(void);
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void vcpu_dirty_rate_stat_stop(void);
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void vcpu_dirty_rate_stat_initialize(void);
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void vcpu_dirty_rate_stat_finalize(void);
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void dirtylimit_state_lock(void);
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void dirtylimit_state_unlock(void);
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void dirtylimit_state_initialize(void);
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void dirtylimit_state_finalize(void);
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bool dirtylimit_in_service(void);
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bool dirtylimit_vcpu_index_valid(int cpu_index);
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void dirtylimit_process(void);
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void dirtylimit_change(bool start);
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void dirtylimit_set_vcpu(int cpu_index,
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uint64_t quota,
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bool enable);
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void dirtylimit_set_all(uint64_t quota,
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bool enable);
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void dirtylimit_vcpu_execute(CPUState *cpu);
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uint64_t dirtylimit_throttle_time_per_round(void);
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uint64_t dirtylimit_ring_full_time(void);
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#endif
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