From patchwork Tue Feb 18 18:25:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 13980455 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 270DEC021AA for ; Tue, 18 Feb 2025 18:29:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tkSKS-0006PE-1E; Tue, 18 Feb 2025 13:28:20 -0500 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 1tkSKQ-0006Ok-0S for qemu-devel@nongnu.org; Tue, 18 Feb 2025 13:28:18 -0500 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 1tkSKN-0008RQ-Mr for qemu-devel@nongnu.org; Tue, 18 Feb 2025 13:28:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1739903294; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=p+lEhl9xBKtLou/QnYm3DAM1jxeyS7N45z+8I9b4LHE=; b=M96C+hVeP8GWXpF1LLrA8EyEh5p5CgKCg4GSph/RraR8UqGReInJdHe792Owgb+w92AQ4r UNBvsrAyQlulgXu7TE+L6pfSOTq+IMPZF/LhkQsmTZT2+gUVNQpkMmbWG45tTrS83S3T0H IyGFgLAtaJVE/czG6FIE3EYcWX+2xC8= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-606-qm53hu94MKqvCedh2f8i2Q-1; Tue, 18 Feb 2025 13:28:10 -0500 X-MC-Unique: qm53hu94MKqvCedh2f8i2Q-1 X-Mimecast-MFC-AGG-ID: qm53hu94MKqvCedh2f8i2Q_1739903289 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 62AC81800878; Tue, 18 Feb 2025 18:28:09 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.45.224.254]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 58ED7180035F; Tue, 18 Feb 2025 18:28:04 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, mst@redhat.com, jasowang@redhat.com, imammedo@redhat.com, peterx@redhat.com, alex.williamson@redhat.com, clg@redhat.com, philmd@linaro.org, zhenzhong.duan@intel.com, ddutile@redhat.com Subject: [PATCH v3 4/5] hw/vfio/common: Add a trace point in vfio_reset_handler Date: Tue, 18 Feb 2025 19:25:34 +0100 Message-ID: <20250218182737.76722-5-eric.auger@redhat.com> In-Reply-To: <20250218182737.76722-1-eric.auger@redhat.com> References: <20250218182737.76722-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.133.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.423, 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, 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 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 To ease the debug of reset sequence, let's add a trace point in vfio_reset_handler() Signed-off-by: Eric Auger Reviewed-by: Cédric Le Goater Acked-by: Michael S. Tsirkin Reviewed-by: Zhenzhong Duan --- hw/vfio/common.c | 1 + hw/vfio/trace-events | 1 + 2 files changed, 2 insertions(+) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index f7499a9b74..173fb3a997 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -1386,6 +1386,7 @@ void vfio_reset_handler(void *opaque) { VFIODevice *vbasedev; + trace_vfio_reset_handler(); QLIST_FOREACH(vbasedev, &vfio_device_list, global_next) { if (vbasedev->dev->realized) { vbasedev->ops->vfio_compute_needs_reset(vbasedev); diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events index cab1cf1de0..c5385e1a4f 100644 --- a/hw/vfio/trace-events +++ b/hw/vfio/trace-events @@ -120,6 +120,7 @@ vfio_get_dev_region(const char *name, int index, uint32_t type, uint32_t subtype vfio_legacy_dma_unmap_overflow_workaround(void) "" vfio_get_dirty_bitmap(uint64_t iova, uint64_t size, uint64_t bitmap_size, uint64_t start, uint64_t dirty_pages) "iova=0x%"PRIx64" size= 0x%"PRIx64" bitmap_size=0x%"PRIx64" start=0x%"PRIx64" dirty_pages=%"PRIu64 vfio_iommu_map_dirty_notify(uint64_t iova_start, uint64_t iova_end) "iommu dirty @ 0x%"PRIx64" - 0x%"PRIx64 +vfio_reset_handler(void) "" # platform.c vfio_platform_realize(char *name, char *compat) "vfio device %s, compat = %s"