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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1739799499; 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=WlVqG6+58W3LN2gY3GsMSdIzBOZpZTbTwzPUFIPq6HU=; b=NuzRLBsDCMqiacqjGcS/JChAhKF+OVudfWOLKr/Fap7AhyYwUhAeNCLwkSH6Q9uNXQXIjD tDl0EsWnXR3dOX1uP8dsRGDU4NBAdnn0fgMC4L89P7TUSPcu/1MBpMQtKwhz7xq2L/PZCH YnciNhv30B1BYiwemFmHPFJCeqqYlRs= X-MC-Unique: YW0WbT3aOWWTlBxafjov3w-1 X-Mimecast-MFC-AGG-ID: YW0WbT3aOWWTlBxafjov3w_1739799497 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 v2 4/5] hw/vfio/common: Add a trace point in vfio_reset_handler Date: Mon, 17 Feb 2025 14:36:48 +0100 Message-ID: <20250217133746.6801-5-eric.auger@redhat.com> In-Reply-To: <20250217133746.6801-1-eric.auger@redhat.com> References: <20250217133746.6801-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 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=170.10.133.124; envelope-from=eric.auger@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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1739799544628019100 To ease the debug of reset sequence, let's add a trace point in vfio_reset_handler() Signed-off-by: Eric Auger Reviewed-by: C=C3=A9dric Le Goater Acked-by: Michael S. Tsirkin --- 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; =20 + 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=3D0x%"PRIx64" size=3D 0x%"PRIx6= 4" bitmap_size=3D0x%"PRIx64" start=3D0x%"PRIx64" dirty_pages=3D%"PRIu64 vfio_iommu_map_dirty_notify(uint64_t iova_start, uint64_t iova_end) "iommu= dirty @ 0x%"PRIx64" - 0x%"PRIx64 +vfio_reset_handler(void) "" =20 # platform.c vfio_platform_realize(char *name, char *compat) "vfio device %s, compat = =3D %s" --=20 2.47.1