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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 D3E09C282C2 for ; Fri, 8 Feb 2019 00:08:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A85F021907 for ; Fri, 8 Feb 2019 00:08:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726892AbfBHAIy (ORCPT ); Thu, 7 Feb 2019 19:08:54 -0500 Received: from mga07.intel.com ([134.134.136.100]:65458 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726651AbfBHAIy (ORCPT ); Thu, 7 Feb 2019 19:08:54 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Feb 2019 16:08:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,346,1544515200"; d="scan'208";a="122851385" Received: from romley-ivt3.sc.intel.com ([172.25.110.60]) by fmsmga008.fm.intel.com with ESMTP; 07 Feb 2019 16:08:53 -0800 From: Fenghua Yu To: "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "H Peter Anvin" , "Tony Luck" , "Reinette Chatre" , "Ravi V Shankar" , "Xiaochen Shen" , "Arshiya Hayatkhan Pathan" , "Sai Praneeth Prakhya" , "Babu Moger" Cc: "linux-kernel" , Fenghua Yu Subject: [PATCH v6 01/13] selftests/resctrl: Add README for resctrl tests Date: Thu, 7 Feb 2019 16:01:29 -0800 Message-Id: <1549584101-85811-2-git-send-email-fenghua.yu@intel.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1549584101-85811-1-git-send-email-fenghua.yu@intel.com> References: <1549584101-85811-1-git-send-email-fenghua.yu@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org resctrl tests will be implemented. README is added for the tool first. Signed-off-by: Fenghua Yu Signed-off-by: Babu Moger --- tools/testing/selftests/resctrl/README | 54 ++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 tools/testing/selftests/resctrl/README diff --git a/tools/testing/selftests/resctrl/README b/tools/testing/selftests/resctrl/README new file mode 100644 index 000000000000..2bcd8739f1c6 --- /dev/null +++ b/tools/testing/selftests/resctrl/README @@ -0,0 +1,54 @@ +resctrl_tests - resctrl file system test suit + +Authors: + Fenghua Yu + Sai Praneeth Prakhya , + Arshiya Hayatkhan Pathan + +resctrl_tests tests various resctrl functionalities and interfaces including +both software and hardware. + +Currently it supports Memory Bandwidth Monitoring test and Memory Bandwidth +Allocation test on Intel RDT hardware. More tests will be added in the future. +And the test suit can be extended to cover AMD QoS and ARM MPAM hardware +as well. + +BUILD +----- + +Run "make" to build executable file "resctrl_tests". + +RUN +--- + +To use resctrl_tests, root or sudoer privileges are required. This is because +the test needs to mount resctrl file system and change contents in the file +system. + +Executing the test without any parameter will run all supported tests: + + sudo ./resctrl_tests + +OVERVIEW OF EXECUTION +--------------------- + +A test case has four stages: + + - setup: mount resctrl file system, create group, setup schemata, move test + process pids to tasks, start benchmark. + - execute: let benchmark run + - verify: get resctrl data and verify the data with another source, e.g. + perf event. + - teardown: umount resctrl and clear temporary files. + +ARGUMENTS +--------- + +Parameter '-h' shows usage information. + +usage: resctrl_tests [-h] [-b "benchmark_cmd [options]"] [-t test list] [-n no_of_bits] + -b benchmark_cmd [options]: run specified benchmark for MBM, MBA and CQM default benchmark is builtin fill_buf + -t test list: run tests specified in the test list, e.g. -t mbm, mba, cqm, cat + -n no_of_bits: run cache tests using specified no of bits in cache bit mask + -p cpu_no: specify CPU number to run the test. 1 is default + -h: help -- 2.7.4