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f2fs: show more DIO information in tracepoint

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This prints more information of DIO in tracepoint.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2021-11-19 11:20:33 -08:00
parent a1e09b03e6
commit bd984c0309
2 changed files with 11 additions and 8 deletions
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4
fs/f2fs/file.c
View File

@ -4284,7 +4284,7 @@ static ssize_t f2fs_dio_read_iter(struct kiocb *iocb, struct iov_iter *to)
if (count == 0) if (count == 0)
return 0; /* skip atime update */ return 0; /* skip atime update */
trace_f2fs_direct_IO_enter(inode, pos, count, READ); trace_f2fs_direct_IO_enter(inode, iocb, count, READ);
if (iocb->ki_flags & IOCB_NOWAIT) { if (iocb->ki_flags & IOCB_NOWAIT) {
if (!down_read_trylock(&fi->i_gc_rwsem[READ])) { if (!down_read_trylock(&fi->i_gc_rwsem[READ])) {
@ -4483,7 +4483,7 @@ static ssize_t f2fs_dio_write_iter(struct kiocb *iocb, struct iov_iter *from,
struct iomap_dio *dio; struct iomap_dio *dio;
ssize_t ret; ssize_t ret;
trace_f2fs_direct_IO_enter(inode, pos, count, WRITE); trace_f2fs_direct_IO_enter(inode, iocb, count, WRITE);
if (iocb->ki_flags & IOCB_NOWAIT) { if (iocb->ki_flags & IOCB_NOWAIT) {
/* f2fs_convert_inline_inode() and block allocation can block */ /* f2fs_convert_inline_inode() and block allocation can block */

15
include/trace/events/f2fs.h
View File

@ -936,14 +936,14 @@ TRACE_EVENT(f2fs_fallocate,
TRACE_EVENT(f2fs_direct_IO_enter, TRACE_EVENT(f2fs_direct_IO_enter,
TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw), TP_PROTO(struct inode *inode, struct kiocb *iocb, long len, int rw),
TP_ARGS(inode, offset, len, rw), TP_ARGS(inode, iocb, len, rw),
TP_STRUCT__entry( TP_STRUCT__entry(
__field(dev_t, dev) __field(dev_t, dev)
__field(ino_t, ino) __field(ino_t, ino)
__field(loff_t, pos) __field(struct kiocb *, iocb)
__field(unsigned long, len) __field(unsigned long, len)
__field(int, rw) __field(int, rw)
), ),
@ -951,15 +951,18 @@ TRACE_EVENT(f2fs_direct_IO_enter,
TP_fast_assign( TP_fast_assign(
__entry->dev = inode->i_sb->s_dev; __entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino; __entry->ino = inode->i_ino;
__entry->pos = offset; __entry->iocb = iocb;
__entry->len = len; __entry->len = len;
__entry->rw = rw; __entry->rw = rw;
), ),
TP_printk("dev = (%d,%d), ino = %lu pos = %lld len = %lu rw = %d", TP_printk("dev = (%d,%d), ino = %lu pos = %lld len = %lu ki_flags = %x ki_hint = %x ki_ioprio = %x rw = %d",
show_dev_ino(__entry), show_dev_ino(__entry),
__entry->pos, __entry->iocb->ki_pos,
__entry->len, __entry->len,
__entry->iocb->ki_flags,
__entry->iocb->ki_hint,
__entry->iocb->ki_ioprio,
__entry->rw) __entry->rw)
); );