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[2620:137:e000::1:20]) by mx.google.com with ESMTP id cn3-20020a0564020ca300b00425fcc5d236si5455679edb.53.2022.06.17.10.09.16; Fri, 17 Jun 2022 10:09:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=kDGbekmq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1383235AbiFQQSL (ORCPT + 99 others); Fri, 17 Jun 2022 12:18:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1383231AbiFQQSK (ORCPT ); Fri, 17 Jun 2022 12:18:10 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 278D52BB34; Fri, 17 Jun 2022 09:18:09 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 87B70CE2C2C; Fri, 17 Jun 2022 16:18:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F3C5FC3411B; Fri, 17 Jun 2022 16:18:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655482685; bh=nuz1WM5Oa3ePTXUEbxlVKyfN1W7nA0w8fVej9LOyDpU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=kDGbekmq5K+Fd7P94YdGndn3GZahGJXpFJs7zYvxDHGDB8iJjRrk0fL6l38mZnqem xflkTN6ajXmszOrUWxY8LtTsstEPs8AXlkaD67V+niK3tkzeoGoSENMStmHksfyiup Q2faP/v4j81N9mQ+WYSgpg/P6UxQHtKD3sEe53jHB8vefoyGpP1g8hYIOTygQNHrL0 0ZFCka7ntrEKvBbUVHwUxvDH6k6iqVNtAIg6ayjgOflE8zOEQVbVWAlM7nqEBKpyAd LOvUjkQh9UfuXpzlSodYV5zf4rhh9k8o1bzSo/VyjeEkstmPrcXgPw6HEZKS1B+qhl m5uft5P5bEk+g== Message-ID: <2abc864e-b8af-cc3f-b10d-bd450d443656@kernel.org> Date: Fri, 17 Jun 2022 18:17:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH V4 18/20] rv/monitor: Add safe watchdog monitor Content-Language: en-US To: Randy Dunlap , Steven Rostedt Cc: Wim Van Sebroeck , Guenter Roeck , Jonathan Corbet , Ingo Molnar , Thomas Gleixner , Peter Zijlstra , Will Deacon , Catalin Marinas , Marco Elver , Dmitry Vyukov , "Paul E. McKenney" , Shuah Khan , Gabriele Paoloni , Juri Lelli , Clark Williams , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-devel@vger.kernel.org References: <6366fdc89d65b8d9b14ccd1e42fa0d793fbe9f73.1655368610.git.bristot@kernel.org> <2a54bec4-5902-b22a-13f2-2237f4b10164@infradead.org> From: Daniel Bristot de Oliveira In-Reply-To: <2a54bec4-5902-b22a-13f2-2237f4b10164@infradead.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-9.9 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/16/22 22:57, Randy Dunlap wrote: > Hi-- > > On 6/16/22 01:45, Daniel Bristot de Oliveira wrote: >> diff --git a/kernel/trace/rv/Kconfig b/kernel/trace/rv/Kconfig >> index 21f03fb3101a..b14ae63e792b 100644 >> --- a/kernel/trace/rv/Kconfig >> +++ b/kernel/trace/rv/Kconfig >> @@ -45,6 +45,16 @@ config RV_MON_WWNR >> illustrates the usage of per-task monitor. The model is >> broken on purpose: it serves to test reactors. >> >> +config RV_MON_SAFE_WTD >> + select DA_MON_EVENTS_IMPLICIT >> + bool "Safety watchdog" >> + help >> + Enable safe_wtd, this monitor observes the interaction >> + between a user-space safety monitor and a watchdog device. >> + >> + For futher information see: >> + Documentation/trace/rv/safety-monitor.rst > I'm curious about what "WTD" means. > > I see lots of WDT in drivers/watchdog/Kconfig > (where it means WatchDog Timer AFAIK). Yep, watchdog. I will add the long description right after the first WTD appearance. -- Daniel > thanks.