Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
f2fs: add fadvise tracepoint
This adds a tracepoint in the fadvise call path.
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
+34
+2
fs/f2fs/file.c
+2
fs/f2fs/file.c
+32
include/trace/events/f2fs.h
+32
include/trace/events/f2fs.h
···
586
586
__entry->ret)
587
587
);
588
588
589
+
TRACE_EVENT(f2fs_fadvise,
590
+
591
+
TP_PROTO(struct inode *inode, loff_t offset, loff_t len, int advice),
592
+
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+
TP_ARGS(inode, offset, len, advice),
594
+
595
+
TP_STRUCT__entry(
596
+
__field(dev_t, dev)
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+
__field(ino_t, ino)
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+
__field(loff_t, size)
599
+
__field(loff_t, offset)
600
+
__field(loff_t, len)
601
+
__field(int, advice)
602
+
),
603
+
604
+
TP_fast_assign(
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+
__entry->dev = inode->i_sb->s_dev;
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+
__entry->ino = inode->i_ino;
607
+
__entry->size = i_size_read(inode);
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+
__entry->offset = offset;
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+
__entry->len = len;
610
+
__entry->advice = advice;
611
+
),
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+
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+
TP_printk("dev = (%d,%d), ino = %lu, i_size = %lld offset:%llu, len:%llu, advise:%d",
614
+
show_dev_ino(__entry),
615
+
(unsigned long long)__entry->size,
616
+
__entry->offset,
617
+
__entry->len,
618
+
__entry->advice)
619
+
);
620
+
589
621
TRACE_EVENT(f2fs_map_blocks,
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622
TP_PROTO(struct inode *inode, struct f2fs_map_blocks *map, int flag,
591
623
int ret),