From patchwork Mon Apr 29 17:26:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Goldwyn Rodrigues X-Patchwork-Id: 10922297 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7C96D14D5 for ; Mon, 29 Apr 2019 17:27:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 645AA28849 for ; Mon, 29 Apr 2019 17:27:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 58C912884A; Mon, 29 Apr 2019 17:27:46 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable 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 E7C3628849 for ; Mon, 29 Apr 2019 17:27:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729025AbfD2R1o (ORCPT ); Mon, 29 Apr 2019 13:27:44 -0400 Received: from mx2.suse.de ([195.135.220.15]:58480 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728997AbfD2R1o (ORCPT ); Mon, 29 Apr 2019 13:27:44 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id D4DE0AEA1; Mon, 29 Apr 2019 17:27:42 +0000 (UTC) From: Goldwyn Rodrigues To: linux-btrfs@vger.kernel.org Cc: kilobyte@angband.pl, linux-fsdevel@vger.kernel.org, jack@suse.cz, david@fromorbit.com, willy@infradead.org, hch@lst.de, darrick.wong@oracle.com, dsterba@suse.cz, nborisov@suse.com, linux-nvdimm@lists.01.org, Goldwyn Rodrigues Subject: [PATCH 18/18] btrfs: trace functions for btrfs_iomap_begin/end Date: Mon, 29 Apr 2019 12:26:49 -0500 Message-Id: <20190429172649.8288-19-rgoldwyn@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190429172649.8288-1-rgoldwyn@suse.de> References: <20190429172649.8288-1-rgoldwyn@suse.de> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Goldwyn Rodrigues This is for debug purposes only and can be skipped. Signed-off-by: Goldwyn Rodrigues --- fs/btrfs/dax.c | 3 +++ include/trace/events/btrfs.h | 56 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 59 insertions(+) diff --git a/fs/btrfs/dax.c b/fs/btrfs/dax.c index 20ec2ec49c68..3fee28f5a199 100644 --- a/fs/btrfs/dax.c +++ b/fs/btrfs/dax.c @@ -104,6 +104,8 @@ static int btrfs_iomap_begin(struct inode *inode, loff_t pos, u64 srcblk = 0; loff_t diff; + trace_btrfs_iomap_begin(inode, pos, length, flags); + em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, pos, length, 0); iomap->type = IOMAP_MAPPED; @@ -164,6 +166,7 @@ static int btrfs_iomap_end(struct inode *inode, loff_t pos, { struct btrfs_iomap *bi = iomap->private; u64 wend; + trace_btrfs_iomap_end(inode, pos, length, written, flags); if (!bi) return 0; diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index ab1cc33adbac..8779e5789a7c 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -1850,6 +1850,62 @@ DEFINE_EVENT(btrfs__block_group, btrfs_skip_unused_block_group, TP_ARGS(bg_cache) ); +TRACE_EVENT(btrfs_iomap_begin, + + TP_PROTO(const struct inode *inode, loff_t pos, loff_t length, int flags), + + TP_ARGS(inode, pos, length, flags), + + TP_STRUCT__entry_btrfs( + __field( u64, ino ) + __field( u64, pos ) + __field( u64, length ) + __field( int, flags ) + ), + + TP_fast_assign_btrfs(btrfs_sb(inode->i_sb), + __entry->ino = btrfs_ino(BTRFS_I(inode)); + __entry->pos = pos; + __entry->length = length; + __entry->flags = flags; + ), + + TP_printk_btrfs("ino=%llu pos=%llu len=%llu flags=0x%x", + __entry->ino, + __entry->pos, + __entry->length, + __entry->flags) +); + +TRACE_EVENT(btrfs_iomap_end, + + TP_PROTO(const struct inode *inode, loff_t pos, loff_t length, loff_t written, int flags), + + TP_ARGS(inode, pos, length, written, flags), + + TP_STRUCT__entry_btrfs( + __field( u64, ino ) + __field( u64, pos ) + __field( u64, length ) + __field( u64, written ) + __field( int, flags ) + ), + + TP_fast_assign_btrfs(btrfs_sb(inode->i_sb), + __entry->ino = btrfs_ino(BTRFS_I(inode)); + __entry->pos = pos; + __entry->length = length; + __entry->written = written; + __entry->flags = flags; + ), + + TP_printk_btrfs("ino=%llu pos=%llu len=%llu written=%llu flags=0x%x", + __entry->ino, + __entry->pos, + __entry->length, + __entry->written, + __entry->flags) +); #endif /* _TRACE_BTRFS_H */ /* This part must be outside protection */