From: Goldwyn Rodrigues <rgoldwyn@suse.de>
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 <rgoldwyn@suse.com>
Subject: [PATCH 18/18] btrfs: trace functions for btrfs_iomap_begin/end
Date: Mon, 29 Apr 2019 12:26:49 -0500 [thread overview]
Message-ID: <20190429172649.8288-19-rgoldwyn@suse.de> (raw)
In-Reply-To: <20190429172649.8288-1-rgoldwyn@suse.de>
From: Goldwyn Rodrigues <rgoldwyn@suse.com>
This is for debug purposes only and can be skipped.
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
---
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 */
--
2.16.4
next prev parent reply other threads:[~2019-04-29 17:27 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-29 17:26 [PATCH v4 00/18] btrfs dax support Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 01/18] btrfs: create a mount option for dax Goldwyn Rodrigues
2019-05-21 18:02 ` Darrick J. Wong
2019-04-29 17:26 ` [PATCH 02/18] btrfs: Carve out btrfs_get_extent_map_write() out of btrfs_get_blocks_write() Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 03/18] btrfs: basic dax read Goldwyn Rodrigues
2019-05-21 15:14 ` Darrick J. Wong
2019-05-22 21:50 ` Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 04/18] dax: Introduce IOMAP_DAX_COW to CoW edges during writes Goldwyn Rodrigues
2019-05-21 16:51 ` Darrick J. Wong
2019-05-22 20:14 ` Goldwyn Rodrigues
2019-05-23 2:10 ` Dave Chinner
2019-05-23 9:05 ` Shiyang Ruan
2019-05-23 11:51 ` Goldwyn Rodrigues
2019-05-27 8:25 ` Shiyang Ruan
2019-05-28 9:17 ` Jan Kara
2019-05-29 2:01 ` Shiyang Ruan
2019-05-29 2:47 ` Dave Chinner
2019-05-29 4:02 ` Shiyang Ruan
2019-05-29 4:07 ` Darrick J. Wong
2019-05-29 4:46 ` Dave Chinner
2019-05-29 13:46 ` Jan Kara
2019-05-29 22:14 ` Dave Chinner
2019-05-30 11:16 ` Jan Kara
2019-05-30 22:59 ` Dave Chinner
2019-04-29 17:26 ` [PATCH 05/18] btrfs: return whether extent is nocow or not Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 06/18] btrfs: Rename __endio_write_update_ordered() to btrfs_update_ordered_extent() Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 07/18] btrfs: add dax write support Goldwyn Rodrigues
2019-05-21 17:08 ` Darrick J. Wong
2019-04-29 17:26 ` [PATCH 08/18] dax: memcpy page in case of IOMAP_DAX_COW for mmap faults Goldwyn Rodrigues
2019-05-21 17:46 ` Darrick J. Wong
2019-05-22 19:11 ` Goldwyn Rodrigues
2019-05-23 4:02 ` Darrick J. Wong
2019-05-23 12:10 ` Jan Kara
2019-04-29 17:26 ` [PATCH 09/18] btrfs: Add dax specific address_space_operations Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 10/18] dax: replace mmap entry in case of CoW Goldwyn Rodrigues
2019-05-21 17:35 ` Darrick J. Wong
2019-05-23 13:38 ` Jan Kara
2019-04-29 17:26 ` [PATCH 11/18] btrfs: add dax mmap support Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 12/18] btrfs: allow MAP_SYNC mmap Goldwyn Rodrigues
2019-05-10 15:32 ` [PATCH for-goldwyn] btrfs: disallow MAP_SYNC outside of DAX mounts Adam Borowski
2019-05-10 15:41 ` Dan Williams
2019-05-10 15:59 ` Pankaj Gupta
2019-05-23 13:44 ` [PATCH 12/18] btrfs: allow MAP_SYNC mmap Jan Kara
2019-05-23 16:19 ` Adam Borowski
2019-04-29 17:26 ` [PATCH 13/18] fs: dedup file range to use a compare function Goldwyn Rodrigues
2019-05-21 18:17 ` Darrick J. Wong
2019-04-29 17:26 ` [PATCH 14/18] dax: memcpy before zeroing range Goldwyn Rodrigues
2019-05-21 17:27 ` Darrick J. Wong
2019-04-29 17:26 ` [PATCH 15/18] btrfs: handle dax page zeroing Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 16/18] btrfs: Writeprotect mmap pages on snapshot Goldwyn Rodrigues
2019-05-23 14:04 ` Jan Kara
2019-05-23 15:27 ` Goldwyn Rodrigues
2019-05-23 19:07 ` Jan Kara
2019-05-23 21:22 ` Goldwyn Rodrigues
2019-04-29 17:26 ` [PATCH 17/18] btrfs: Disable dax-based defrag and send Goldwyn Rodrigues
2019-04-29 17:26 ` Goldwyn Rodrigues [this message]
-- strict thread matches above, loose matches on Subject: below --
2019-04-16 16:41 [PATCH v3 00/18] btrfs dax support Goldwyn Rodrigues
2019-04-16 16:41 ` [PATCH 18/18] btrfs: trace functions for btrfs_iomap_begin/end Goldwyn Rodrigues
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