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Date: Mon, 26 Feb 2024 19:56:53 +0000 Message-Id: <20240226195654.934709-7-hao.xiang@bytedance.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20240226195654.934709-1-hao.xiang@bytedance.com> References: <20240226195654.934709-1-hao.xiang@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::92f; envelope-from=hao.xiang@bytedance.com; helo=mail-ua1-x92f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This change extends the MigrationStatus interface to track zero pages and zero bytes counter. Signed-off-by: Hao Xiang --- migration/migration-hmp-cmds.c | 4 ++++ migration/migration.c | 2 ++ qapi/migration.json | 15 ++++++++++++++- tests/migration/guestperf/engine.py | 2 ++ 4 files changed, 22 insertions(+), 1 deletion(-) diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c index 7e96ae6ffd..a38ad0255d 100644 --- a/migration/migration-hmp-cmds.c +++ b/migration/migration-hmp-cmds.c @@ -111,6 +111,10 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) info->ram->normal); monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n", info->ram->normal_bytes >> 10); + monitor_printf(mon, "zero pages: %" PRIu64 " pages\n", + info->ram->zero_pages); + monitor_printf(mon, "zero bytes: %" PRIu64 " kbytes\n", + info->ram->zero_bytes >> 10); monitor_printf(mon, "dirty sync count: %" PRIu64 "\n", info->ram->dirty_sync_count); monitor_printf(mon, "page size: %" PRIu64 " kbytes\n", diff --git a/migration/migration.c b/migration/migration.c index ab21de2cad..a99f86f273 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1112,6 +1112,8 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s) info->ram->skipped = 0; info->ram->normal = stat64_get(&mig_stats.normal_pages); info->ram->normal_bytes = info->ram->normal * page_size; + info->ram->zero_pages = stat64_get(&mig_stats.zero_pages); + info->ram->zero_bytes = info->ram->zero_pages * page_size; info->ram->mbps = s->mbps; info->ram->dirty_sync_count = stat64_get(&mig_stats.dirty_sync_count); diff --git a/qapi/migration.json b/qapi/migration.json index a0a85a0312..171734c07e 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -63,6 +63,10 @@ # between 0 and @dirty-sync-count * @multifd-channels. (since # 7.1) # +# @zero-pages: number of zero pages (since 9.0) +# +# @zero-bytes: number of zero bytes sent (since 9.0) +# # Features: # # @deprecated: Member @skipped is always zero since 1.5.3 @@ -81,7 +85,8 @@ 'multifd-bytes': 'uint64', 'pages-per-second': 'uint64', 'precopy-bytes': 'uint64', 'downtime-bytes': 'uint64', 'postcopy-bytes': 'uint64', - 'dirty-sync-missed-zero-copy': 'uint64' } } + 'dirty-sync-missed-zero-copy': 'uint64', + 'zero-pages': 'int', 'zero-bytes': 'size' } } ## # @XBZRLECacheStats: @@ -332,6 +337,8 @@ # "duplicate":123, # "normal":123, # "normal-bytes":123456, +# "zero-pages":123, +# "zero-bytes":123456, # "dirty-sync-count":15 # } # } @@ -358,6 +365,8 @@ # "duplicate":123, # "normal":123, # "normal-bytes":123456, +# "zero-pages":123, +# "zero-bytes":123456, # "dirty-sync-count":15 # } # } @@ -379,6 +388,8 @@ # "duplicate":123, # "normal":123, # "normal-bytes":123456, +# "zero-pages":123, +# "zero-bytes":123456, # "dirty-sync-count":15 # }, # "disk":{ @@ -405,6 +416,8 @@ # "duplicate":10, # "normal":3333, # "normal-bytes":3412992, +# "zero-pages":3333, +# "zero-bytes":3412992, # "dirty-sync-count":15 # }, # "xbzrle-cache":{ diff --git a/tests/migration/guestperf/engine.py b/tests/migration/guestperf/engine.py index 608d7270f6..693e07c227 100644 --- a/tests/migration/guestperf/engine.py +++ b/tests/migration/guestperf/engine.py @@ -92,6 +92,8 @@ def _migrate_progress(self, vm): info["ram"].get("skipped", 0), info["ram"].get("normal", 0), info["ram"].get("normal-bytes", 0), + info["ram"].get("zero-pages", 0); + info["ram"].get("zero-bytes", 0); info["ram"].get("dirty-pages-rate", 0), info["ram"].get("mbps", 0), info["ram"].get("dirty-sync-count", 0)