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2017-04-21ram: rename last_ram_offset() last_ram_pages()Juan Quintela
We always use it as pages anyways. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Use ramblock and page offset instead of absolute offsetJuan Quintela
This removes the needto pass also the absolute offset. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Change offset field in PageSearchStatus to pageJuan Quintela
We are moving everything to work on pages, not addresses. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Remember last_page instead of last_offsetJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> -- Improve comment Fix typo
2017-04-21ram: Use page number instead of an address for the bitmap operationsJuan Quintela
We use an unsigned long for the page number. Notice that our bitmaps already got that for the index, so we have that limit. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> -- rename page to page_abs everywhere. fix trace types for pages
2017-04-21ram: reorganize last_sent_blockJuan Quintela
We were setting it far away of when we changed it. Now everything is done inside save_page_header. Once there, reorganize code to pass RAMState. We also set CONTINUE flag in a single place. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: ram_discard_range() don't use the mis parameterJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Pass RAMBlock to bitmap_syncJuan Quintela
We change the meaning of start to be the offset from the beggining of the block. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Add page-size to output in 'info migrate'Chao Fan
The number of dirty pages is output in 'pages' in the command 'info migrate', so add page-size to calculate the number of dirty pages in bytes. Signed-off-by: Chao Fan <fanc.fnst@cn.fujitsu.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21ram: Rename qemu_target_page_bits() to qemu_target_page_size()Juan Quintela
It was used as a size in all cases except one. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: We don't need MigrationState parameter anymoreJuan Quintela
Remove it from callers and callees. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21migration: Remove MigrationState from migration_in_postcopyJuan Quintela
We need to call for the migrate_get_current() in more that half of the uses, so call that inside. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Remove compression_switch and inline its logicJuan Quintela
We can calculate its value, so we don't create a variable for it. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> -- After Peter and Dave review, I dropped the variable and just inlined the condition. Fix typo
2017-04-21ram: Move QEMUFile into RAMStateJuan Quintela
We receive the file from save_live operations and we don't use it until 3 or 4 levels of calls down. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Add QEMUFile to RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Move postcopy_requests into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move dirty_pages_rate to RAMStateJuan Quintela
Treat it like the rest of ram stats counters. Export its value the same way. As an added bonus, no more MigrationState used in migration_bitmap_sync(); Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Again, dave was the one reviewing it
2017-04-21ram: Remove dirty_bytes_rateJuan Quintela
It can be recalculated from dirty_pages_rate. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Dave was the one that reviewed it O:-)
2017-04-21ram: Create ram_dirty_sync_count()Juan Quintela
This is a ram field that was inside MigrationState. Move it to RAMState and make it the same that the other ram stats. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move src_page_req* to RAMStateJuan Quintela
This are the last postcopy fields still at MigrationState. Once there Move MigrationSrcPageRequest to ram.c and remove MigrationState parameters where appropiate. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move last_req_rb to RAMStateJuan Quintela
It was on MigrationState when it is only used inside ram.c for postcopy. Problem is that we need to access it without being able to pass it RAMState directly. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Remove ram_save_remainingJuan Quintela
Just unfold it. Move ram_bytes_remaining() with the rest of exported functions. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Use the RAMState bytes_transferred parameterJuan Quintela
Somewhere it was passed by reference, just use it from RAMState. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move bytes_transferred into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move migration_bitmap_rcu into RAMStateJuan Quintela
Once there, rename the type to be shorter. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move migration_bitmap_mutex into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Everything was init to zero, so use memsetJuan Quintela
And then init only things that are not zero by default. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move migration_dirty_pages to RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move xbzrle_overflows into RAMStateJuan Quintela
Once there, remove the now unused AccountingInfo struct and var. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move xbzrle_cache_miss_rate into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move xbzrle_cache_miss into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move xbzrle_pages into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Comment why we need bytes and pages
2017-04-21ram: Move xbzrle_bytes into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Move iterations into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Remove norm_mig_bytes_transferredJuan Quintela
Its value can be calculated by other exported. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Move norm_pages to RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Remove unused pages_skipped variableJuan Quintela
For compatibility, we need to still send a value, but just specify it and comment the fact. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Remove unused dup_mig_bytes_transferred()Juan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move dup_pages into RAMStateJuan Quintela
Once there rename it to its actual meaning, zero_pages. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move iterations_prev into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-04-21ram: Move xbzrle_cache_miss_prev into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-04-21ram: Change num_dirty_pages_period type to uint64_tJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move num_dirty_pages_period into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Change byte_xfer_{prev,now} type to uint64_tJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move bytes_xfer_prev into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move start time into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Renamed start_time to time_last_bitmap_sync(peterx suggestion)
2017-04-21ram: Move bitmap_sync_count into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Add dirty_rate_high_cnt to RAMStateJuan Quintela
We need to add a parameter to several functions to make this work. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Create RAMStateJuan Quintela
We create a struct where to put all the ram state Start with the following fields: last_seen_block, last_sent_block, last_offset, last_version and ram_bulk_stage are globals that are really related together. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Fix typo and warnings
2017-04-21ram: Rename block_name to rbnameJuan Quintela
So all places are consistent on the naming of a block name parameter. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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