diff options
Diffstat (limited to 'fs/iomap/trace.h')
| -rw-r--r-- | fs/iomap/trace.h | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/fs/iomap/trace.h b/fs/iomap/trace.h index f1519f9a1403..65e39785c284 100644 --- a/fs/iomap/trace.h +++ b/fs/iomap/trace.h @@ -4,6 +4,15 @@ * * NOTE: none of these tracepoints shall be considered a stable kernel ABI * as they can change at any time. + * + * Current conventions for printing numbers measuring specific units: + * + * offset: byte offset into a subcomponent of a file operation + * pos: file offset, in bytes + * length: length of a file operation, in bytes + * ino: inode number + * + * Numbers describing space allocations should be formatted in hexadecimal. */ #undef TRACE_SYSTEM #define TRACE_SYSTEM iomap @@ -42,14 +51,14 @@ DEFINE_READPAGE_EVENT(iomap_readpage); DEFINE_READPAGE_EVENT(iomap_readahead); DECLARE_EVENT_CLASS(iomap_range_class, - TP_PROTO(struct inode *inode, unsigned long off, unsigned int len), + TP_PROTO(struct inode *inode, loff_t off, u64 len), TP_ARGS(inode, off, len), TP_STRUCT__entry( __field(dev_t, dev) __field(u64, ino) __field(loff_t, size) - __field(unsigned long, offset) - __field(unsigned int, length) + __field(loff_t, offset) + __field(u64, length) ), TP_fast_assign( __entry->dev = inode->i_sb->s_dev; @@ -58,8 +67,7 @@ DECLARE_EVENT_CLASS(iomap_range_class, __entry->offset = off; __entry->length = len; ), - TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset %lx " - "length %x", + TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset 0x%llx length 0x%llx", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, __entry->size, @@ -69,7 +77,7 @@ DECLARE_EVENT_CLASS(iomap_range_class, #define DEFINE_RANGE_EVENT(name) \ DEFINE_EVENT(iomap_range_class, name, \ - TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),\ + TP_PROTO(struct inode *inode, loff_t off, u64 len),\ TP_ARGS(inode, off, len)) DEFINE_RANGE_EVENT(iomap_writepage); DEFINE_RANGE_EVENT(iomap_releasepage); @@ -122,8 +130,8 @@ DECLARE_EVENT_CLASS(iomap_class, __entry->flags = iomap->flags; __entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0; ), - TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr %lld offset %lld " - "length %llu type %s flags %s", + TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr 0x%llx offset 0x%llx " + "length 0x%llx type %s flags %s", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, MAJOR(__entry->bdev), MINOR(__entry->bdev), @@ -149,7 +157,7 @@ TRACE_EVENT(iomap_iter, __field(dev_t, dev) __field(u64, ino) __field(loff_t, pos) - __field(loff_t, length) + __field(u64, length) __field(unsigned int, flags) __field(const void *, ops) __field(unsigned long, caller) @@ -163,7 +171,7 @@ TRACE_EVENT(iomap_iter, __entry->ops = ops; __entry->caller = caller; ), - TP_printk("dev %d:%d ino 0x%llx pos %lld length %lld flags %s (0x%x) ops %ps caller %pS", + TP_printk("dev %d:%d ino 0x%llx pos 0x%llx length 0x%llx flags %s (0x%x) ops %ps caller %pS", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, __entry->pos, |