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X-Received-From: 2607:f8b0:4864:20::431 Subject: [Qemu-devel] [PATCH v3 00/10] migration: compression optimization X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org, Xiao Guangrong , qemu-devel@nongnu.org, peterx@redhat.com, dgilbert@redhat.com, wei.w.wang@intel.com, jiang.biao2@zte.com.cn Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Xiao Guangrong Changelog in v3: Thanks to Peter's comments, the changes in this version are: 1) make compress-wait-thread be true on default to keep current behavior 2) save the compressed-size instead of reduced size and fix calculating compression ratio 3) fix calculating xbzrle_counters.cache_miss_rate and compression_counters.busy_rate Xiao Guangrong (10): migration: do not wait for free thread migration: fix counting normal page for compression migration: introduce save_zero_page_to_file migration: drop the return value of do_compress_ram_page migration: move handle of zero page to the thread migration: hold the lock only if it is really needed migration: do not flush_compressed_data at the end of each iteration migration: handle the error condition properly migration: fix calculating xbzrle_counters.cache_miss_rate migration: show the statistics of compression hmp.c | 21 ++++ include/qemu/queue.h | 1 + migration/migration.c | 33 ++++++ migration/migration.h | 1 + migration/ram.c | 283 +++++++++++++++++++++++++++++++++++++------------- migration/ram.h | 1 + qapi/migration.json | 49 +++++++-- 7 files changed, 308 insertions(+), 81 deletions(-)