From nobody Fri Nov 14 21:05:50 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=yandex-team.ru ARC-Seal: i=1; a=rsa-sha256; t=1760540429; cv=none; d=zohomail.com; s=zohoarc; b=QcMMVJsZrXARQK3rmPPyua8T3iORM2O0LXXcpJo1Wss5Lt4wLo2IzSRqBG2hL3qs9MG+WUVkZw3NYDi+GEeT1V8ZnyjiwydSomWicT3//vtHWfA9iSoP2n/9Pnedj+xqOLsqwQrVd8DY1YZLUjTeLiKncqVupNa3BklgAQX8Mfc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1760540429; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=wNwdu8SceSxrcW0rk9s55+OjbMtBeK9dCvm3vEfhvUE=; b=PManSkWGv2cK0DClYsWR0inrc89dcKT/zf7AEvp6oKd4Po7E94CAgJ/PyCdrDQB7XPqvdq/YUpaucKL2JC/o3ibIxCn5vlwxse65KPHnUtP1v7PyluGoVevuuAGdbcXQCtDEFnrAJk2tkehDq3WIIK0IuakecqKBMGGqTVTkkgs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 176054042917170.47580566182842; Wed, 15 Oct 2025 08:00:29 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v92xk-0007n6-59; Wed, 15 Oct 2025 10:58:48 -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 1v92xg-0007m2-Ki; Wed, 15 Oct 2025 10:58:44 -0400 Received: from forwardcorp1a.mail.yandex.net ([178.154.239.72]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v92xX-0000fV-5D; Wed, 15 Oct 2025 10:58:44 -0400 Received: from mail-nwsmtp-smtp-corp-main-69.vla.yp-c.yandex.net (mail-nwsmtp-smtp-corp-main-69.vla.yp-c.yandex.net [IPv6:2a02:6b8:c1f:3a87:0:640:845c:0]) by forwardcorp1a.mail.yandex.net (Yandex) with ESMTPS id 14900C0697; Wed, 15 Oct 2025 17:58:30 +0300 (MSK) Received: from vsementsov-lin.. (unknown [2a02:6bf:8080:a94::1:15]) by mail-nwsmtp-smtp-corp-main-69.vla.yp-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id AwRFIp2FFSw0-XKLzqHqu; Wed, 15 Oct 2025 17:58:29 +0300 Precedence: bulk X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1760540309; bh=wNwdu8SceSxrcW0rk9s55+OjbMtBeK9dCvm3vEfhvUE=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=NIiBvSgtUo6N8DQ0A35y21ATV+e46h9/ZBA/mzikqghhCzc+pEk9bs2v7J+Lson8B jFwGlzFHnmfnne/VtpVri8n/O1aaSSrYKZGqxGVNR+01ZQkqv/Xztn72C94TXZnXe5 YRvfxWGnb/J+HfKom46XvC7yC2UoD9NPAmqeS8C4= Authentication-Results: mail-nwsmtp-smtp-corp-main-69.vla.yp-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: mst@redhat.com Cc: sgarzare@redhat.com, raphael@enfabrica.net, qemu-devel@nongnu.org, vsementsov@yandex-team.ru, yc-core@yandex-team.ru, d-tatianin@yandex-team.ru, Raphael Norwitz , Kevin Wolf , Hanna Reitz , qemu-block@nongnu.org (open list:Block layer core) Subject: [PATCH v3 22/23] vhost-user-blk: add some useful trace-points Date: Wed, 15 Oct 2025 17:58:06 +0300 Message-ID: <20251015145808.1112843-23-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251015145808.1112843-1-vsementsov@yandex-team.ru> References: <20251015145808.1112843-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=178.154.239.72; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1a.mail.yandex.net 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_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yandex-team.ru) X-ZM-MESSAGEID: 1760540434198154100 Content-Type: text/plain; charset="utf-8" Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Daniil Tatianin Reviewed-by: Raphael Norwitz --- hw/block/trace-events | 10 ++++++++++ hw/block/vhost-user-blk.c | 19 +++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/hw/block/trace-events b/hw/block/trace-events index cc9a9f2460..dbaa5ca6cb 100644 --- a/hw/block/trace-events +++ b/hw/block/trace-events @@ -58,6 +58,16 @@ virtio_blk_handle_zone_mgmt(void *vdev, void *req, uint8= _t op, int64_t sector, i virtio_blk_handle_zone_reset_all(void *vdev, void *req, int64_t sector, in= t64_t len) "vdev %p req %p sector 0x%" PRIx64 " cap 0x%" PRIx64 "" virtio_blk_handle_zone_append(void *vdev, void *req, int64_t sector) "vdev= %p req %p, append sector 0x%" PRIx64 "" =20 +# vhost-user-blk.c +vhost_user_blk_start_in(void *vdev) "vdev %p" +vhost_user_blk_start_out(void *vdev) "vdev %p" +vhost_user_blk_stop_in(void *vdev) "vdev %p" +vhost_user_blk_stop_out(void *vdev) "vdev %p" +vhost_user_blk_connect_in(void *vdev) "vdev %p" +vhost_user_blk_connect_out(void *vdev) "vdev %p" +vhost_user_blk_device_realize_in(void *vdev) "vdev %p" +vhost_user_blk_device_realize_out(void *vdev) "vdev %p" + # hd-geometry.c hd_geometry_lchs_guess(void *blk, int cyls, int heads, int secs) "blk %p L= CHS %d %d %d" hd_geometry_guess(void *blk, uint32_t cyls, uint32_t heads, uint32_t secs,= int trans) "blk %p CHS %u %u %u trans %d" diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index de7a810c93..a5daed4346 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -31,6 +31,7 @@ #include "hw/virtio/virtio-access.h" #include "system/system.h" #include "system/runstate.h" +#include "trace.h" =20 static const int user_feature_bits[] =3D { VIRTIO_BLK_F_SIZE_MAX, @@ -137,6 +138,8 @@ static int vhost_user_blk_start(VirtIODevice *vdev, Err= or **errp) VirtioBusClass *k =3D VIRTIO_BUS_GET_CLASS(qbus); int i, ret; =20 + trace_vhost_user_blk_start_in(vdev); + if (!k->set_guest_notifiers) { error_setg(errp, "binding does not support guest notifiers"); return -ENOSYS; @@ -192,6 +195,8 @@ static int vhost_user_blk_start(VirtIODevice *vdev, Err= or **errp) } s->started_vu =3D true; =20 + trace_vhost_user_blk_start_out(vdev); + return ret; =20 err_guest_notifiers: @@ -212,6 +217,8 @@ static int vhost_user_blk_stop(VirtIODevice *vdev) int ret; bool force_stop =3D false; =20 + trace_vhost_user_blk_stop_in(vdev); + if (!s->started_vu) { return 0; } @@ -233,6 +240,9 @@ static int vhost_user_blk_stop(VirtIODevice *vdev) } =20 vhost_dev_disable_notifiers(&s->dev, vdev); + + trace_vhost_user_blk_stop_out(vdev); + return ret; } =20 @@ -340,6 +350,8 @@ static int vhost_user_blk_connect(DeviceState *dev, Err= or **errp) VHostUserBlk *s =3D VHOST_USER_BLK(vdev); int ret =3D 0; =20 + trace_vhost_user_blk_connect_in(vdev); + if (s->connected) { return 0; } @@ -365,6 +377,8 @@ static int vhost_user_blk_connect(DeviceState *dev, Err= or **errp) ret =3D vhost_user_blk_start(vdev, errp); } =20 + trace_vhost_user_blk_connect_out(vdev); + return ret; } =20 @@ -455,6 +469,8 @@ static void vhost_user_blk_device_realize(DeviceState *= dev, Error **errp) int retries; int i, ret; =20 + trace_vhost_user_blk_device_realize_in(vdev); + if (!s->chardev.chr) { error_setg(errp, "chardev is mandatory"); return; @@ -514,6 +530,9 @@ static void vhost_user_blk_device_realize(DeviceState *= dev, Error **errp) qemu_chr_fe_set_handlers(&s->chardev, NULL, NULL, vhost_user_blk_event, NULL, (void *)dev, NULL, true); + + trace_vhost_user_blk_device_realize_out(vdev); + return; =20 virtio_err: --=20 2.48.1