From patchwork Fri Mar 10 12:40:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Raspl X-Patchwork-Id: 9616695 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 E45806046A for ; Fri, 10 Mar 2017 12:41:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DBEC6286F7 for ; Fri, 10 Mar 2017 12:41:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D095C28700; Fri, 10 Mar 2017 12:41:04 +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 768C3286FC for ; Fri, 10 Mar 2017 12:41:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937080AbdCJMlC (ORCPT ); Fri, 10 Mar 2017 07:41:02 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:40788 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S936747AbdCJMkb (ORCPT ); Fri, 10 Mar 2017 07:40:31 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v2ACcbJI017774 for ; Fri, 10 Mar 2017 07:40:25 -0500 Received: from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com [195.75.94.108]) by mx0b-001b2d01.pphosted.com with ESMTP id 293q3aw1yw-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 10 Mar 2017 07:40:25 -0500 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Fri, 10 Mar 2017 12:40:21 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v2ACeLN935061864; Fri, 10 Mar 2017 12:40:21 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6058611C05C; Fri, 10 Mar 2017 12:40:09 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4E93B11C050; Fri, 10 Mar 2017 12:40:09 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Fri, 10 Mar 2017 12:40:09 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (localhost [127.0.0.1]) by tuxmaker.boeblingen.de.ibm.com (Postfix) with ESMTP id 964C020F62D; Fri, 10 Mar 2017 13:40:20 +0100 (CET) From: Stefan Raspl To: kvm@vger.kernel.org Cc: pbonzini@redhat.com, rkrcmar@redhat.com, frankja@linux.vnet.ibm.com Subject: [PATCH v2 08/17] tools/kvm_stat: document list of interactive commands Date: Fri, 10 Mar 2017 13:40:07 +0100 X-Mailer: git-send-email 2.8.4 In-Reply-To: <20170310124016.96319-1-raspl@linux.vnet.ibm.com> References: <20170310124016.96319-1-raspl@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17031012-0008-0000-0000-000003FBEACA X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17031012-0009-0000-0000-00001CC442EA Message-Id: <20170310124016.96319-9-raspl@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-03-10_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1702020001 definitions=main-1703100104 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Apart from the source code, there does not seem to be a place that documents the interactive capabilities of kvm_stat yet. Signed-off-by: Stefan Raspl --- tools/kvm/kvm_stat/kvm_stat | 7 +++++++ tools/kvm/kvm_stat/kvm_stat.txt | 16 ++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat index 3e60d93..aca8508 100755 --- a/tools/kvm/kvm_stat/kvm_stat +++ b/tools/kvm/kvm_stat/kvm_stat @@ -1052,6 +1052,13 @@ Requirements: CAP_SYS_ADMIN and perf events are used. - CAP_SYS_RESOURCE if the hard limit is not high enough to allow the large number of files that are possibly opened. + +Interactive Commands: + f filter by regular expression + p filter by PID + q quit + x toggle reporting of stats for individual child trace events +Press any other key to refresh statistics immediately. """ class PlainHelpFormatter(optparse.IndentedHelpFormatter): diff --git a/tools/kvm/kvm_stat/kvm_stat.txt b/tools/kvm/kvm_stat/kvm_stat.txt index b92a153..077bcc7 100644 --- a/tools/kvm/kvm_stat/kvm_stat.txt +++ b/tools/kvm/kvm_stat/kvm_stat.txt @@ -18,11 +18,27 @@ state transitions such as guest mode entry and exit. This tool is useful for observing guest behavior from the host perspective. Often conclusions about performance or buggy behavior can be drawn from the output. +While running in regular mode, use any of the keys listed in section +'Interactive Commands' below. +Use batch and logging modes for scripting purposes. The set of KVM kernel module trace events may be specific to the kernel version or architecture. It is best to check the KVM kernel module source code for the meaning of events. +INTERACTIVE COMMANDS +-------------------- +[horizontal] +*f*:: filter by regular expression + +*p*:: filter by PID + +*q*:: quit + +*x*:: toggle reporting of stats for child trace events + +Press any other key to refresh statistics immediately. + OPTIONS ------- -1::