From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f199.google.com (mail-io0-f199.google.com [209.85.223.199]) by kanga.kvack.org (Postfix) with ESMTP id A1D28280254 for ; Thu, 1 Dec 2016 11:56:12 -0500 (EST) Received: by mail-io0-f199.google.com with SMTP id r101so22230991ioi.3 for ; Thu, 01 Dec 2016 08:56:12 -0800 (PST) Received: from smtprelay.hostedemail.com (smtprelay0200.hostedemail.com. [216.40.44.200]) by mx.google.com with ESMTPS id h4si971967ite.28.2016.12.01.08.56.12 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Dec 2016 08:56:12 -0800 (PST) Date: Thu, 1 Dec 2016 11:56:08 -0500 From: Steven Rostedt Subject: Re: [PATCH v3 4/5] dax: add tracepoints to dax_pmd_load_hole() Message-ID: <20161201115608.4f97630b@gandalf.local.home> In-Reply-To: <1480610271-23699-5-git-send-email-ross.zwisler@linux.intel.com> References: <1480610271-23699-1-git-send-email-ross.zwisler@linux.intel.com> <1480610271-23699-5-git-send-email-ross.zwisler@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Ross Zwisler Cc: linux-kernel@vger.kernel.org, Alexander Viro , Andrew Morton , Christoph Hellwig , Dan Williams , Dave Chinner , Ingo Molnar , Jan Kara , Matthew Wilcox , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org On Thu, 1 Dec 2016 09:37:50 -0700 Ross Zwisler wrote: > Add tracepoints to dax_pmd_load_hole(), following the same logging > conventions as the tracepoints in dax_iomap_pmd_fault(). > > Here is an example PMD fault showing the new tracepoints: > > read_big-1478 [004] .... 238.242188: xfs_filemap_pmd_fault: dev 259:0 > ino 0x1003 > > read_big-1478 [004] .... 238.242191: dax_pmd_fault: dev 259:0 ino 0x1003 > shared ALLOW_RETRY|KILLABLE|USER address 0x10400000 vm_start 0x10200000 > vm_end 0x10600000 pgoff 0x200 max_pgoff 0x1400 > > read_big-1478 [004] .... 238.242390: dax_pmd_load_hole: dev 259:0 ino > 0x1003 shared address 0x10400000 zero_page ffffea0002c20000 radix_entry > 0x1e > > read_big-1478 [004] .... 238.242392: dax_pmd_fault_done: dev 259:0 ino > 0x1003 shared ALLOW_RETRY|KILLABLE|USER address 0x10400000 vm_start > 0x10200000 vm_end 0x10600000 pgoff 0x200 max_pgoff 0x1400 NOPAGE > > Signed-off-by: Ross Zwisler > Reviewed-by: Jan Kara > --- Acked-by: Steven Rostedt -- Steve -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org