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=-9.6 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 9FD10C742A2 for ; Fri, 12 Jul 2019 02:54:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D49D20863 for ; Fri, 12 Jul 2019 02:54:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AHe1Evh3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729213AbfGLCyr (ORCPT ); Thu, 11 Jul 2019 22:54:47 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:37510 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729051AbfGLCyq (ORCPT ); Thu, 11 Jul 2019 22:54:46 -0400 Received: by mail-pl1-f195.google.com with SMTP id b3so4035821plr.4; Thu, 11 Jul 2019 19:54:46 -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:mime-version :content-transfer-encoding; bh=64j1duN8Q6Xd7kRV0ySvGXg0eZ22bwDTxpKrN9mAXSY=; b=AHe1Evh3+uUAWpOBVIXpYTAk/unMWsGn2D3MEAxP2tnBXX6PS4AqyxdsOm1CxGackm WsYGT4J7LyN+CgbltLSBBsW6rfAVbVlxjUt3xVay86baYmxOwtQ105Bs4I8hlyVn9t+g TIlPy9ajseDKUaNuAhdFg9zZ753Vz2K2/8BgzRCQcG0YfFNe6NjWMIbvh3SP1/yAyxVD dtQIlV6lleTl9NWXT2GryG/2bPhXPEKx+i4xCrB0NrXdM5w6Cn71i9bhmu6SII91upEz /YNvQ2aGc8yA+RooKxBhZtzNzzSAoGzzAwArDTJbRNkG3V6eTp6+/xdV2PEDMp7/A/Wi gQEw== 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:mime-version :content-transfer-encoding; bh=64j1duN8Q6Xd7kRV0ySvGXg0eZ22bwDTxpKrN9mAXSY=; b=AucxCgqlGhMOCt3iaFdChUDmi073Vw3DrGGuuv1qvrk4y0Vop8y4nFF09QqPsRaQaZ p81D/naSu3FOF6wSOVgEyYl11riFPD/ZUl0BXQM49V1gvsE+a5+iSQ8cvuIbMeqEtqU7 q8c3duHK+ocFtfsvGrNscsbwLcwPMxFOt2jRchWYRrmfzKy64r1BTLkbqAIwt6zY28QC tSLlT1yfTEyXILwIKoZYmhERA4JmbSK0cJQcEGI4P58z4BLR0m3Vq7/6wDuOy0Lie3Qy qBC6AvXthiJrnxu0uVY8d0Vr6OCelS5Sl/QnJZfud6QRFeoGCxMhtY21iOJBeBaY1Asu SVKg== X-Gm-Message-State: APjAAAURNOl2qUCH42aGerzJGnxgp+4auTpWtFCTe9VJZvKEViPdoaDD oFCObuDDkYAKKc3Cg/Ookos6COKGrw8= X-Google-Smtp-Source: APXvYqxi8dhpdclONkq7oo/LRkDbRkz37L73HpER/lr6g5PmDj65DBKzvhdvjrat/RYt6oo+85/N7A== X-Received: by 2002:a17:902:b608:: with SMTP id b8mr8579220pls.303.1562900085859; Thu, 11 Jul 2019 19:54:45 -0700 (PDT) Received: from localhost.localdomain ([203.205.141.123]) by smtp.googlemail.com with ESMTPSA id n26sm7786630pfa.83.2019.07.11.19.54.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 11 Jul 2019 19:54:45 -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 1/2] KVM: LAPIC: Add pv ipi tracepoint Date: Fri, 12 Jul 2019 10:54:39 +0800 Message-Id: <1562900080-20798-1-git-send-email-wanpengli@tencent.com> X-Mailer: git-send-email 2.7.4 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 3201d91..72c2a1e 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -568,6 +568,8 @@ int kvm_pv_send_ipi(struct kvm *kvm, unsigned long ipi_bitmap_low, int cluster_size = op_64_bit ? 64 : 32; int count = 0; + trace_kvm_pv_send_ipi(irq.vector, min, ipi_bitmap_low, ipi_bitmap_high); + irq.vector = icr & APIC_VECTOR_MASK; irq.delivery_mode = icr & APIC_MODE_MASK; irq.level = (icr & APIC_INT_ASSERT) != 0; 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