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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 C07B1C433E2 for ; Tue, 9 Jun 2020 11:09:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F78F207F9 for ; Tue, 9 Jun 2020 11:09:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="HlftRkd+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726121AbgFILJQ (ORCPT ); Tue, 9 Jun 2020 07:09:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728338AbgFILJG (ORCPT ); Tue, 9 Jun 2020 07:09:06 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 760DDC05BD1E; Tue, 9 Jun 2020 04:09:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=jzlGHVTHxHocaBNnVtWkIwZrj7yO/ADtEgfhe970dr4=; b=HlftRkd+efYJpZYlbgE32i9wn+ 7aRy9RCVjvkXe262spiOpmcVXldxbLW7/W5eyOq9mvWooSAG/hcztag1XNy4s0gXBYEIv1gcOoyO2 zrBjMdqcH5Ek+oSdQdd1dejxY3IBaOgYUPrTAHFhJx3IFdrGCMnlGCyfXq1w2U14RudltTDExUbsr GJSNOz4/zHKBwH0/gwBkkf+NO7Bbshuq3RFwe0ldmA0t2uoKvfBHPU+aOG9td0tWJoKfJiPGF00pV watWjdSNArWtDhX0Mbr9Ujl7T3aHwjfpHvsF+t7bDMIvuVOhuPRWBCvr+RlgBosN86SBvFV+IFiGN ZxdQjVhw==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jic7q-0008MC-0t; Tue, 09 Jun 2020 11:09:02 +0000 Date: Tue, 9 Jun 2020 04:09:01 -0700 From: Matthew Wilcox To: Stanimir Varbanov Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-acpi@vger.kernel.org, netdev@vger.kernel.org, Joe Perches , Greg Kroah-Hartman , Jason Baron , Jonathan Corbet Subject: Re: [PATCH v3 1/7] Documentation: dynamic-debug: Add description of level bitmask Message-ID: <20200609110901.GZ19604@bombadil.infradead.org> References: <20200609104604.1594-1-stanimir.varbanov@linaro.org> <20200609104604.1594-2-stanimir.varbanov@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200609104604.1594-2-stanimir.varbanov@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 09, 2020 at 01:45:58PM +0300, Stanimir Varbanov wrote: > +level > + The given level will be a bitmask ANDed with the level of the each ``pr_debug()`` > + callsite. This will allow to group debug messages and show only those of the > + same level. The -p flag takes precedence over the given level. Note that we can > + have up to five groups of debug messages. That doesn't sound like a "level". printk has levels. If you ask for "level 3" messages, you get messages from levels 0, 1, 2, and 3. These seem like "types" or "groups" or something. > + // enable all messages in file with 0x01 level bitmask > + nullarbor:~ # echo -n 'file foo.c level 0x01 +p' > > + /dynamic_debug/control