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Tue, 07 Aug 2018 02:12:34 -0700 (PDT) From: guangrong.xiao@gmail.com X-Google-Original-From: xiaoguangrong@tencent.com To: pbonzini@redhat.com, mst@redhat.com, mtosatti@redhat.com Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, dgilbert@redhat.com, peterx@redhat.com, wei.w.wang@intel.com, jiang.biao2@zte.com.cn, eblake@redhat.com, Xiao Guangrong Subject: [PATCH v3 00/10] migration: compression optimization Date: Tue, 7 Aug 2018 17:11:59 +0800 Message-Id: <20180807091209.13531-1-xiaoguangrong@tencent.com> X-Mailer: git-send-email 2.14.4 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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(-)