76e030004f
Currently, it includes: pages: amount of pages compressed and transferred to the target VM busy: amount of count that no free thread to compress data busy-rate: rate of thread busy compressed-size: amount of bytes after compression compression-rate: rate of compressed size Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com> Message-Id: <20180906070101.27280-3-xiaoguangrong@tencent.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
75 lines
3.0 KiB
C
75 lines
3.0 KiB
C
/*
|
|
* QEMU System Emulator
|
|
*
|
|
* Copyright (c) 2003-2008 Fabrice Bellard
|
|
* Copyright (c) 2011-2015 Red Hat Inc
|
|
*
|
|
* Authors:
|
|
* Juan Quintela <quintela@redhat.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef QEMU_MIGRATION_RAM_H
|
|
#define QEMU_MIGRATION_RAM_H
|
|
|
|
#include "qemu-common.h"
|
|
#include "qapi/qapi-types-migration.h"
|
|
#include "exec/cpu-common.h"
|
|
#include "io/channel.h"
|
|
|
|
extern MigrationStats ram_counters;
|
|
extern XBZRLECacheStats xbzrle_counters;
|
|
extern CompressionStats compression_counters;
|
|
|
|
int xbzrle_cache_resize(int64_t new_size, Error **errp);
|
|
uint64_t ram_bytes_remaining(void);
|
|
uint64_t ram_bytes_total(void);
|
|
|
|
int multifd_save_setup(void);
|
|
int multifd_save_cleanup(Error **errp);
|
|
int multifd_load_setup(void);
|
|
int multifd_load_cleanup(Error **errp);
|
|
bool multifd_recv_all_channels_created(void);
|
|
bool multifd_recv_new_channel(QIOChannel *ioc);
|
|
|
|
uint64_t ram_pagesize_summary(void);
|
|
int ram_save_queue_pages(const char *rbname, ram_addr_t start, ram_addr_t len);
|
|
void acct_update_position(QEMUFile *f, size_t size, bool zero);
|
|
void ram_debug_dump_bitmap(unsigned long *todump, bool expected,
|
|
unsigned long pages);
|
|
void ram_postcopy_migrated_memory_release(MigrationState *ms);
|
|
/* For outgoing discard bitmap */
|
|
int ram_postcopy_send_discard_bitmap(MigrationState *ms);
|
|
/* For incoming postcopy discard */
|
|
int ram_discard_range(const char *block_name, uint64_t start, size_t length);
|
|
int ram_postcopy_incoming_init(MigrationIncomingState *mis);
|
|
|
|
void ram_handle_compressed(void *host, uint8_t ch, uint64_t size);
|
|
|
|
int ramblock_recv_bitmap_test(RAMBlock *rb, void *host_addr);
|
|
bool ramblock_recv_bitmap_test_byte_offset(RAMBlock *rb, uint64_t byte_offset);
|
|
void ramblock_recv_bitmap_set(RAMBlock *rb, void *host_addr);
|
|
void ramblock_recv_bitmap_set_range(RAMBlock *rb, void *host_addr, size_t nr);
|
|
int64_t ramblock_recv_bitmap_send(QEMUFile *file,
|
|
const char *block_name);
|
|
int ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *rb);
|
|
|
|
#endif
|