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[81.40.121.121]) by smtp.gmail.com with ESMTPSA id m126sm6405968wmf.3.2020.08.11.10.28.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Aug 2020 10:28:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597166943; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=V+GoqSUej3zgwZ+xiUnpDsXAhP2y+mvV6f0QWRC1FMg=; b=cUkUHXa8cTOYlhSk+Kqm4G6c91N9Q9yrlvAPkcvJW1VL81+JIz0EoqIgejiRfXO6hdLiaI mEIkJ/oxcNqHgbCDrAY6MplSe14SNNXDWBte2wfomjFyerwi9uCpW84dE0VZOOtlH3L+FB FLkRn8CgSNyb1joi03wJD+0dPasNP6A= X-MC-Unique: 639HGpZ_OpuCTOQa1QhC9A-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=V+GoqSUej3zgwZ+xiUnpDsXAhP2y+mvV6f0QWRC1FMg=; b=P3MwKky7K/mqsQkXJM4+l52ng80I/WNGLVwuApFZaQUj/JG9x9S41FqMvbE291xr6m DCjuwLxKWEvIizJor4vCPrLo02jVjJ39GKToL/gaazdeHiY22FmiOwV7yItwJN8P2vrg BrrNoWwMpfMPNkEUVRcJMwbzPRre+vy8ujT6/RGwD42CXP2j4feVDfJ8t1jOguQDQTIt +IYaF79/wXlx2BVF8tyX/rEAInhI2qIVfEwriCVtFVIdA7F/YxfKxXO2+z/SMyv1B+Km AJcGXNst61IXBkD0WTuDJLx51LuXhMrHKNYF5wwJOmZAIcOVpTmvNRp5f73vlCr4Fg1n tt6w== X-Gm-Message-State: AOAM530SSjKX6+Go0O074iZf/BvUGcW4j/3jDGYoDjYzBZvVIT1tzWdK YtCMTCiIU38U9jhMxb4BFpJmhhT6DoSZ3OaLMklnIZp8fShiKoZvH4FaK2W2aBw36nR3ozntRNZ q4KuQtnhj6ST2CZI= X-Received: by 2002:adf:ee51:: with SMTP id w17mr7248663wro.239.1597166937720; Tue, 11 Aug 2020 10:28:57 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwzMF1uk8kTBfDHKEF29ER7wiqkEMIsSs/qghTfRmatAEW10o1ExrkOxQfd+N5agvMTBp/oEg== X-Received: by 2002:adf:ee51:: with SMTP id w17mr7248647wro.239.1597166937517; Tue, 11 Aug 2020 10:28:57 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 2/3] util/vfio-helpers: Add trace event to display device IRQs available Date: Tue, 11 Aug 2020 19:28:44 +0200 Message-Id: <20200811172845.16698-3-philmd@redhat.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200811172845.16698-1-philmd@redhat.com> References: <20200811172845.16698-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8"; text/plain; charset="utf-8" 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=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/11 05:47:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , Alex Williamson , Stefan Hajnoczi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Add a trace event to display the amount of IRQs available on the device. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- util/vfio-helpers.c | 1 + util/trace-events | 1 + 2 files changed, 2 insertions(+) diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 6defefcc01..3ad7e6be52 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -192,6 +192,7 @@ int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotif= ier *e, error_setg(errp, "Device interrupt doesn't support eventfd"); return -EINVAL; } + trace_qemu_vfio_pci_init_irq(irq_info.count); =20 irq_set_size =3D sizeof(*irq_set) + sizeof(int32_t); irq_set =3D g_malloc0(irq_set_size); diff --git a/util/trace-events b/util/trace-events index 0ce42822eb..351dbdbe3c 100644 --- a/util/trace-events +++ b/util/trace-events @@ -83,3 +83,4 @@ qemu_vfio_new_mapping(void *s, void *host, size_t size, i= nt index, uint64_t iova qemu_vfio_do_mapping(void *s, void *host, size_t size, uint64_t iova) "s %= p host %p size %zu iova 0x%"PRIx64 qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64= _t *iova) "s %p host %p size %zu temporary %d iova %p" qemu_vfio_dma_unmap(void *s, void *host) "s %p host %p" +qemu_vfio_pci_init_irq(uint32_t count) "device interrupt count: %"PRIu32 --=20 2.21.3