From nobody Sun Feb 8 20:31:03 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1527075001204417.1609337404433; Wed, 23 May 2018 04:30:01 -0700 (PDT) Received: from localhost ([::1]:60730 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fLRxw-0006q5-B5 for importer@patchew.org; Wed, 23 May 2018 07:30:00 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50890) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fLRmq-0006JR-Nv for qemu-devel@nongnu.org; Wed, 23 May 2018 07:18:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fLRmo-0007DC-1H for qemu-devel@nongnu.org; Wed, 23 May 2018 07:18:32 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:60958 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fLRmn-0007D8-Sb for qemu-devel@nongnu.org; Wed, 23 May 2018 07:18:29 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8BDD14071181 for ; Wed, 23 May 2018 11:18:29 +0000 (UTC) Received: from secure.mitica (ovpn-117-204.ams2.redhat.com [10.36.117.204]) by smtp.corp.redhat.com (Postfix) with ESMTP id 815C42144B21; Wed, 23 May 2018 11:18:28 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Date: Wed, 23 May 2018 13:18:11 +0200 Message-Id: <20180523111817.1463-7-quintela@redhat.com> In-Reply-To: <20180523111817.1463-1-quintela@redhat.com> References: <20180523111817.1463-1-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 23 May 2018 11:18:29 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 23 May 2018 11:18:29 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'quintela@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v13 06/12] migration: Add block where to send/receive packets 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: lvivier@redhat.com, dgilbert@redhat.com, peterx@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Once there add tracepoints. Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert --- migration/ram.c | 49 +++++++++++++++++++++++++++++++++++++----- migration/trace-events | 2 ++ 2 files changed, 46 insertions(+), 5 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 90f62144e2..c9a9bd79f3 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -553,6 +553,8 @@ typedef struct { bool running; /* should this thread finish */ bool quit; + /* thread has work to do */ + int pending_job; /* array of pages to sent */ MultiFDPages_t *pages; /* packet allocated len */ @@ -588,6 +590,8 @@ typedef struct { bool running; /* should this thread finish */ bool quit; + /* thread has work to do */ + bool pending_job; /* array of pages to receive */ MultiFDPages_t *pages; /* packet allocated len */ @@ -870,8 +874,28 @@ static void *multifd_send_thread(void *opaque) while (true) { qemu_sem_wait(&p->sem); qemu_mutex_lock(&p->mutex); - multifd_send_fill_packet(p); - if (p->quit) { + + if (p->pending_job) { + uint32_t used =3D p->pages->used; + uint32_t seq =3D p->seq; + uint32_t flags =3D p->flags; + + multifd_send_fill_packet(p); + p->flags =3D 0; + p->num_packets++; + p->num_pages +=3D used; + p->pages->used =3D 0; + qemu_mutex_unlock(&p->mutex); + + trace_multifd_send(p->id, seq, used, flags); + + /* ToDo: send packet here */ + + qemu_mutex_lock(&p->mutex); + p->pending_job--; + qemu_mutex_unlock(&p->mutex); + continue; + } else if (p->quit) { qemu_mutex_unlock(&p->mutex); break; } @@ -937,6 +961,7 @@ int multifd_save_setup(void) qemu_mutex_init(&p->mutex); qemu_sem_init(&p->sem, 0); p->quit =3D false; + p->pending_job =3D 0; p->id =3D i; p->pages =3D multifd_pages_init(page_count); p->packet_len =3D sizeof(MultiFDPacket_t) @@ -1024,14 +1049,27 @@ static void *multifd_recv_thread(void *opaque) while (true) { qemu_sem_wait(&p->sem); qemu_mutex_lock(&p->mutex); - if (false) { - /* ToDo: Packet reception goes here */ + if (p->pending_job) { + uint32_t used; + uint32_t flags; + qemu_mutex_unlock(&p->mutex); =20 + /* ToDo: recv packet here */ + + qemu_mutex_lock(&p->mutex); ret =3D multifd_recv_unfill_packet(p, &local_err); - qemu_mutex_unlock(&p->mutex); if (ret) { + qemu_mutex_unlock(&p->mutex); break; } + + used =3D p->pages->used; + flags =3D p->flags; + trace_multifd_recv(p->id, p->seq, used, flags); + p->pending_job =3D false; + p->num_packets++; + p->num_pages +=3D used; + qemu_mutex_unlock(&p->mutex); } else if (p->quit) { qemu_mutex_unlock(&p->mutex); break; @@ -1074,6 +1112,7 @@ int multifd_load_setup(void) qemu_mutex_init(&p->mutex); qemu_sem_init(&p->sem, 0); p->quit =3D false; + p->pending_job =3D false; p->id =3D i; p->pages =3D multifd_pages_init(page_count); p->packet_len =3D sizeof(MultiFDPacket_t) diff --git a/migration/trace-events b/migration/trace-events index 3c7a9a8332..36e20b312d 100644 --- a/migration/trace-events +++ b/migration/trace-events @@ -76,8 +76,10 @@ get_queued_page_not_dirty(const char *block_name, uint64= _t tmp_offset, unsigned migration_bitmap_sync_start(void) "" migration_bitmap_sync_end(uint64_t dirty_pages) "dirty_pages %" PRIu64 migration_throttle(void) "" +multifd_recv(uint8_t id, uint32_t seq, uint32_t used, uint32_t flags) "cha= nnel %d seq number %d pages %d flags 0x%x" multifd_recv_thread_end(uint8_t id, uint32_t packets, uint32_t pages) "cha= nnel %d packets %d pages %d" multifd_recv_thread_start(uint8_t id) "%d" +multifd_send(uint8_t id, uint32_t seq, uint32_t used, uint32_t flags) "cha= nnel %d seq number %d pages %d flags 0x%x" multifd_send_thread_end(uint8_t id, uint32_t packets, uint32_t pages) "cha= nnel %d packets %d pages %d" multifd_send_thread_start(uint8_t id) "%d" ram_discard_range(const char *rbname, uint64_t start, size_t len) "%s: sta= rt: %" PRIx64 " %zx" --=20 2.17.0