From patchwork Thu Jul 21 16:28:52 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 9241931 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8474C607D3 for ; Thu, 21 Jul 2016 16:29:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7598F27D85 for ; Thu, 21 Jul 2016 16:29:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6A23927F4B; Thu, 21 Jul 2016 16:29:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1AF6627D85 for ; Thu, 21 Jul 2016 16:29:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753437AbcGUQ26 (ORCPT ); Thu, 21 Jul 2016 12:28:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52816 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753301AbcGUQ24 (ORCPT ); Thu, 21 Jul 2016 12:28:56 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 467DC68A7; Thu, 21 Jul 2016 16:28:56 +0000 (UTC) Received: from redhat.com (vpn1-7-84.ams2.redhat.com [10.36.7.84]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id u6LGSqAe004390; Thu, 21 Jul 2016 12:28:53 -0400 Date: Thu, 21 Jul 2016 19:28:52 +0300 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Peter Xu , Paolo Bonzini , kvm@vger.kernel.org Subject: [PULL v4 34/57] kvm-all: add trace events for kvm irqchip ops Message-ID: <1469118288-4776-35-git-send-email-mst@redhat.com> References: <1469118288-4776-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1469118288-4776-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 21 Jul 2016 16:28:56 +0000 (UTC) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Peter Xu These will help us monitoring irqchip route activities more easily. Signed-off-by: Peter Xu Reviewed-by: Paolo Bonzini Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- kvm-all.c | 5 +++++ trace-events | 3 +++ 2 files changed, 8 insertions(+) diff --git a/kvm-all.c b/kvm-all.c index 3764ba9..ef81ca5 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1048,6 +1048,7 @@ void kvm_irqchip_commit_routes(KVMState *s) int ret; s->irq_routes->flags = 0; + trace_kvm_irqchip_commit_routes(); ret = kvm_vm_ioctl(s, KVM_SET_GSI_ROUTING, s->irq_routes); assert(ret == 0); } @@ -1271,6 +1272,8 @@ int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) return -EINVAL; } + trace_kvm_irqchip_add_msi_route(virq); + kvm_add_routing_entry(s, &kroute); kvm_arch_add_msi_route_post(&kroute, vector, dev); kvm_irqchip_commit_routes(s); @@ -1301,6 +1304,8 @@ int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, return -EINVAL; } + trace_kvm_irqchip_update_msi_route(virq); + return kvm_update_routing_entry(s, &kroute); } diff --git a/trace-events b/trace-events index 4767059..52c6a6c 100644 --- a/trace-events +++ b/trace-events @@ -118,6 +118,9 @@ kvm_run_exit(int cpu_index, uint32_t reason) "cpu_index %d, reason %d" kvm_device_ioctl(int fd, int type, void *arg) "dev fd %d, type 0x%x, arg %p" kvm_failed_reg_get(uint64_t id, const char *msg) "Warning: Unable to retrieve ONEREG %" PRIu64 " from KVM: %s" kvm_failed_reg_set(uint64_t id, const char *msg) "Warning: Unable to set ONEREG %" PRIu64 " to KVM: %s" +kvm_irqchip_commit_routes(void) "" +kvm_irqchip_add_msi_route(int virq) "Adding MSI route virq=%d" +kvm_irqchip_update_msi_route(int virq) "Updating MSI route virq=%d" # TCG related tracing (mostly disabled by default) # cpu-exec.c