From patchwork Mon May 8 18:52:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 13234827 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A2716C7EE22 for ; Mon, 8 May 2023 18:54:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pw5yI-0004DA-Kg; Mon, 08 May 2023 14:52:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pw5yG-0004CC-E6 for qemu-devel@nongnu.org; Mon, 08 May 2023 14:52:28 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pw5yE-00060F-AI for qemu-devel@nongnu.org; Mon, 08 May 2023 14:52:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1683571945; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xfOBNK+tDhIb0G9eekF2FCdBLWQtalEDSqGtCBcyEUs=; b=KmMZs1K5d6UN3Y4V0HNsBLETWdv2CzBz6qEM05lSkXbEDAwN2KQWM3w1bpnOLcTmWuC78f m/4I59gSG77hMRlyCgcIGszBtN4YN006RjgA1FW7MsehVH2LwPz5ppYBcf9q2L5ucIVkE9 6ivTOoKM456stMF6daPJfWsKqhBn4G4= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-20-Xqk_nH6APXmoVuTDWksoFw-1; Mon, 08 May 2023 14:52:23 -0400 X-MC-Unique: Xqk_nH6APXmoVuTDWksoFw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E374C38601A6; Mon, 8 May 2023 18:52:22 +0000 (UTC) Received: from secure.mitica (unknown [10.39.193.236]) by smtp.corp.redhat.com (Postfix) with ESMTP id 98B3614171BC; Mon, 8 May 2023 18:52:21 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: Thomas Huth , Peter Xu , Leonardo Bras , Juan Quintela , Laurent Vivier , Paolo Bonzini , Lukas Straub Subject: [PULL 07/13] ram.c: Call update_compress_thread_counts from compress_send_queued_data Date: Mon, 8 May 2023 20:52:03 +0200 Message-Id: <20230508185209.68604-8-quintela@redhat.com> In-Reply-To: <20230508185209.68604-1-quintela@redhat.com> References: <20230508185209.68604-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass client-ip=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Lukas Straub This makes the core compress code more independend from ram.c. Signed-off-by: Lukas Straub Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- migration/ram.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index c52602b70d..d1c24eff21 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -1540,12 +1540,14 @@ static int send_queued_data(CompressParam *param) abort(); } + update_compress_thread_counts(param, len); + return len; } static void flush_compressed_data(RAMState *rs) { - int idx, len, thread_count; + int idx, thread_count; if (!save_page_use_compression(rs)) { return; @@ -1564,15 +1566,8 @@ static void flush_compressed_data(RAMState *rs) qemu_mutex_lock(&comp_param[idx].mutex); if (!comp_param[idx].quit) { CompressParam *param = &comp_param[idx]; - len = send_queued_data(param); + send_queued_data(param); compress_reset_result(param); - - /* - * it's safe to fetch zero_page without holding comp_done_lock - * as there is no further request submitted to the thread, - * i.e, the thread should be waiting for a request at this point. - */ - update_compress_thread_counts(param, len); } qemu_mutex_unlock(&comp_param[idx].mutex); } @@ -1588,7 +1583,7 @@ static inline void set_compress_params(CompressParam *param, RAMBlock *block, static int compress_page_with_multi_thread(RAMBlock *block, ram_addr_t offset) { - int idx, thread_count, bytes_xmit = -1, pages = -1; + int idx, thread_count, pages = -1; bool wait = migrate_compress_wait_thread(); thread_count = migrate_compress_threads(); @@ -1599,11 +1594,10 @@ retry: CompressParam *param = &comp_param[idx]; qemu_mutex_lock(¶m->mutex); param->done = false; - bytes_xmit = send_queued_data(param); + send_queued_data(param); compress_reset_result(param); set_compress_params(param, block, offset); - update_compress_thread_counts(param, bytes_xmit); qemu_cond_signal(¶m->cond); qemu_mutex_unlock(¶m->mutex); pages = 1;