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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 17A2FC31E47 for ; Wed, 12 Jun 2019 09:15:10 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id D46562063F for ; Wed, 12 Jun 2019 09:15:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D46562063F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 8AB8D4A512; Wed, 12 Jun 2019 05:15:09 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id U2fTiM1PQKwQ; Wed, 12 Jun 2019 05:15:08 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id A09184A542; Wed, 12 Jun 2019 05:15:06 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id BF6D54A4EE for ; Wed, 12 Jun 2019 05:15:04 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id I0eHrIGAszL7 for ; Wed, 12 Jun 2019 05:15:03 -0400 (EDT) Received: from huawei.com (szxga04-in.huawei.com [45.249.212.190]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 1B5FD4A4FF for ; Wed, 12 Jun 2019 05:15:03 -0400 (EDT) Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id EF3EA12D63526C173D19; Wed, 12 Jun 2019 17:11:50 +0800 (CST) Received: from HGHY2Y004646261.china.huawei.com (10.184.12.158) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.439.0; Wed, 12 Jun 2019 17:11:42 +0800 From: Zenghui Yu To: , , , , Subject: [PATCH v1 0/5] perf kvm: Add stat support on arm64 Date: Wed, 12 Jun 2019 09:08:41 +0000 Message-ID: <1560330526-15468-1-git-send-email-yuzenghui@huawei.com> X-Mailer: git-send-email 2.6.4.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.184.12.158] X-CFilter-Loop: Reflected Cc: marc.zyngier@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, acme@kernel.org, linuxarm@huawei.com, acme@redhat.com, peterz@infradead.org, alexander.shishkin@linux.intel.com, mingo@redhat.com, ganapatrao.kulkarni@cavium.com, namhyung@kernel.org, jolsa@redhat.com, xiexiangyou@huawei.com X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu 'perf kvm stat report/record' generates a statistical analysis of KVM events and can be used to analyze guest exit reasons. This series tries to add stat support on arm64 (Port perf-kvm-stat to arm64 - this is already supported on x86). "record" enables recording of two pair of tracepoints: - "kvm:kvm_entry" and "kvm:kvm_exit" - "kvm:kvm_trap_enter" and "kvm:kvm_trap_exit" "report" reports statistical analysis of guest exit&trap events. To record kvm events on the host: # perf kvm stat record -a To report kvm VM EXIT events: # perf kvm stat report --event=vmexit To report kvm VM TRAP (synchronous exceptions) events: # perf kvm stat report --event=trap More information can be found at tools/perf/Documentation/perf-kvm.txt. * Patch 1-2 touch KVM/ARM side, with #1 is cleanup and #2 is preparation for perf-kvm-stat support. * Patch 3-5 touch perf side. * Patch 3 adds support for get_cpuid() function on arm64. *RFC!* * Patch 4 adds support for perf-kvm-stat on arm64, with VM-EXIT events. * Patch 5 adds support to report TRAP-EVENT events. Any suggestions, comments and test results will be appreciated. Thanks, zenghui --- Zenghui Yu (5): KVM: arm/arm64: Remove kvm_mmio_emulate tracepoint KVM: arm/arm64: Adjust entry/exit and trap related tracepoints perf tools arm64: Add support for get_cpuid() function perf,kvm/arm64: Add stat support on arm64 perf,kvm/arm64: perf-kvm-stat to report VM TRAP arch/arm64/kvm/handle_exit.c | 3 + arch/arm64/kvm/trace.h | 35 +++++++ tools/perf/arch/arm64/Makefile | 2 + tools/perf/arch/arm64/util/Build | 1 + tools/perf/arch/arm64/util/aarch64_guest_exits.h | 91 +++++++++++++++++ tools/perf/arch/arm64/util/header.c | 74 +++++++++----- tools/perf/arch/arm64/util/kvm-stat.c | 125 +++++++++++++++++++++++ virt/kvm/arm/arm.c | 4 +- virt/kvm/arm/trace.h | 42 ++------ 9 files changed, 317 insertions(+), 60 deletions(-) create mode 100644 tools/perf/arch/arm64/util/aarch64_guest_exits.h create mode 100644 tools/perf/arch/arm64/util/kvm-stat.c -- 1.8.3.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm