From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F8D0C433FF for ; Mon, 5 Aug 2019 02:03:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76BF020B1F for ; Mon, 5 Aug 2019 02:03:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="q9mkPyPc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727166AbfHECDv (ORCPT ); Sun, 4 Aug 2019 22:03:51 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:40398 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727082AbfHECDl (ORCPT ); Sun, 4 Aug 2019 22:03:41 -0400 Received: by mail-pf1-f195.google.com with SMTP id p184so38765839pfp.7; Sun, 04 Aug 2019 19:03:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=tRG59/5lE82m1QRtQTpYyWmXnnIcRnkPvf94Bgtr6Rs=; b=q9mkPyPceELpn2nS45fd46f3dkwHuqerVMaCCDQW9O7ZH/uJcjqgXNwUzHpEPO+fkV bhmqeoFDPFXWFV6GCKMOonq5lalU8ZX8371rKLqI8mf4AnJd/klM8/C6hx2qxoqZrsdi PaJyeiqaJ4a35dHkOri7RlJ0enZQfn0EG6QxmnHMv8FLtl7QojEjVj8oCt7dRcA6whay IttSV6Ui/sXbt3uXRuGl+5hibYOHTLWKXVVG6TNpPzrU0obWgS3MObkwqMIeD79n5QCs vkjgtxsl6zShlvKSAEm70dD4GU/gIMhpMBToTEbhuGNVegwWv5/sty+QGTrUaj1vIh+s 2VKw== 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=tRG59/5lE82m1QRtQTpYyWmXnnIcRnkPvf94Bgtr6Rs=; b=nUxOwjVBHFucdJZNouf/lHw8kIZiodoFumF0oGGn72L1zhEJUUsqrWGKga/BUfBTQL HM4IBrrT6Z009oQjfP1JH6OOQdiXALHzi2b4YvNmj43OC7wO/H6FC7Adzrzf0gyi5Kz5 N2F8Y2N0na+xdEux86gb1TcbSpJhS0jLJftGXoSP0s0/QN9Fsf5pHfJaU3YnKJfeTY+A QrLgry8aJZZtKXtUPkzp2sQDOKnQ7LRYkZj8DalcEdbpwFdp6Gp7mE0X6/H9zDxWzLYJ cszVti1EAtxQq1p56dbSx6X3ZVHkHL4e4ZMMR79O7A5NnONAedbh/4MUoatGuS02IHnx zgkA== X-Gm-Message-State: APjAAAXX0+Of+grKcA2viLXwQMW+2+ASF14Ucsr5PuLk3hJ7pXvf3NnE PmddhFfutuswBVSCiLHEi5yJiGxn X-Google-Smtp-Source: APXvYqwx+O2T3Y/610fDmG08ETEs/T5eFALd0i8ye3h0Jacluk6ChqZA8qzKZcGWSykIkqQbUTCC7A== X-Received: by 2002:a63:ec13:: with SMTP id j19mr52731786pgh.369.1564970620508; Sun, 04 Aug 2019 19:03:40 -0700 (PDT) Received: from localhost.localdomain ([203.205.141.123]) by smtp.googlemail.com with ESMTPSA id o32sm14739365pje.9.2019.08.04.19.03.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 04 Aug 2019 19:03:40 -0700 (PDT) From: Wanpeng Li X-Google-Original-From: Wanpeng Li To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Subject: [PATCH v4 5/6] KVM: LAPIC: Add pv ipi tracepoint Date: Mon, 5 Aug 2019 10:03:23 +0800 Message-Id: <1564970604-10044-5-git-send-email-wanpengli@tencent.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1564970604-10044-1-git-send-email-wanpengli@tencent.com> References: <1564970604-10044-1-git-send-email-wanpengli@tencent.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wanpeng Li Add pv ipi tracepoint. Cc: Paolo Bonzini Cc: Radim Krčmář Signed-off-by: Wanpeng Li --- arch/x86/kvm/lapic.c | 2 ++ arch/x86/kvm/trace.h | 25 +++++++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 685d17c..df5cd07 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -570,6 +570,8 @@ int kvm_pv_send_ipi(struct kvm *kvm, unsigned long ipi_bitmap_low, irq.level = (icr & APIC_INT_ASSERT) != 0; irq.trig_mode = icr & APIC_INT_LEVELTRIG; + trace_kvm_pv_send_ipi(irq.vector, min, ipi_bitmap_low, ipi_bitmap_high); + if (icr & APIC_DEST_MASK) return -KVM_EINVAL; if (icr & APIC_SHORT_MASK) diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index b5c831e..ce6ee34 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1462,6 +1462,31 @@ TRACE_EVENT(kvm_hv_send_ipi_ex, __entry->vector, __entry->format, __entry->valid_bank_mask) ); + +/* + * Tracepoints for kvm_pv_send_ipi. + */ +TRACE_EVENT(kvm_pv_send_ipi, + TP_PROTO(u32 vector, u32 min, unsigned long ipi_bitmap_low, unsigned long ipi_bitmap_high), + TP_ARGS(vector, min, ipi_bitmap_low, ipi_bitmap_high), + + TP_STRUCT__entry( + __field(u32, vector) + __field(u32, min) + __field(unsigned long, ipi_bitmap_low) + __field(unsigned long, ipi_bitmap_high) + ), + + TP_fast_assign( + __entry->vector = vector; + __entry->min = min; + __entry->ipi_bitmap_low = ipi_bitmap_low; + __entry->ipi_bitmap_high = ipi_bitmap_high; + ), + + TP_printk("vector %d min 0x%x ipi_bitmap_low 0x%lx ipi_bitmap_high 0x%lx", + __entry->vector, __entry->min, __entry->ipi_bitmap_low, __entry->ipi_bitmap_high) +); #endif /* _TRACE_KVM_H */ #undef TRACE_INCLUDE_PATH -- 2.7.4