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| author | Namjae Jeon <namjae.jeon@samsung.com> | 2013-04-23 16:38:02 +0900 |
|---|---|---|
| committer | Andreas Blaesius <skate4life@gmx.de> | 2016-06-05 21:20:13 +0200 |
| commit | 59ec7623a3e9facdbe9378f82494fe8a673bd99f (patch) | |
| tree | 48b4a6213ed12c54c601ebc26258be8cd82addfd /include/trace | |
| parent | 34ca450dbfea2166cfa6554bad5bb86c44b53410 (diff) | |
| download | kernel_samsung_espresso10-59ec7623a3e9facdbe9378f82494fe8a673bd99f.zip kernel_samsung_espresso10-59ec7623a3e9facdbe9378f82494fe8a673bd99f.tar.gz kernel_samsung_espresso10-59ec7623a3e9facdbe9378f82494fe8a673bd99f.tar.bz2 | |
f2fs: add tracepoint for tracing the page i/o
Add tracepoints for page i/o operations and block allocation
tracing during page read operation.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
[Jaegeuk: combine and modify the tracepoint structures]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/f2fs.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 4bbd19f..924e69a 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -8,6 +8,15 @@ #define show_dev(entry) MAJOR(entry->dev), MINOR(entry->dev) #define show_dev_ino(entry) show_dev(entry), (unsigned long)entry->ino +#define show_bio_type(type) \ + __print_symbolic(type, \ + { READ, "READ" }, \ + { READA, "READAHEAD" }, \ + { READ_SYNC, "READ_SYNC" }, \ + { WRITE, "WRITE" }, \ + { WRITE_SYNC, "WRITE_SYNC" }, \ + { WRITE_FLUSH, "WRITE_FLUSH" }, \ + { WRITE_FUA, "WRITE_FUA" }) DECLARE_EVENT_CLASS(f2fs__inode, @@ -365,6 +374,71 @@ TRACE_EVENT(f2fs_truncate_partial_nodes, __entry->err) ); +TRACE_EVENT_CONDITION(f2fs_readpage, + + TP_PROTO(struct page *page, sector_t blkaddr, int type), + + TP_ARGS(page, blkaddr, type), + + TP_CONDITION(page->mapping), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(pgoff_t, index) + __field(sector_t, blkaddr) + __field(int, type) + ), + + TP_fast_assign( + __entry->dev = page->mapping->host->i_sb->s_dev; + __entry->ino = page->mapping->host->i_ino; + __entry->index = page->index; + __entry->blkaddr = blkaddr; + __entry->type = type; + ), + + TP_printk("dev = (%d,%d), ino = %lu, page_index = 0x%lx, " + "blkaddr = 0x%llx, bio_type = %s", + show_dev_ino(__entry), + (unsigned long)__entry->index, + (unsigned long long)__entry->blkaddr, + show_bio_type(__entry->type)) +); + +TRACE_EVENT(f2fs_get_data_block, + TP_PROTO(struct inode *inode, sector_t iblock, + struct buffer_head *bh, int ret), + + TP_ARGS(inode, iblock, bh, ret), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(sector_t, iblock) + __field(sector_t, bh_start) + __field(size_t, bh_size) + __field(int, ret) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->iblock = iblock; + __entry->bh_start = bh->b_blocknr; + __entry->bh_size = bh->b_size; + __entry->ret = ret; + ), + + TP_printk("dev = (%d,%d), ino = %lu, file offset = %llu, " + "start blkaddr = 0x%llx, len = 0x%llx bytes, err = %d", + show_dev_ino(__entry), + (unsigned long long)__entry->iblock, + (unsigned long long)__entry->bh_start, + (unsigned long long)__entry->bh_size, + __entry->ret) +); + #endif /* _TRACE_F2FS_H */ /* This part must be outside protection */ |