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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /fs/iomap/trace.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/iomap/trace.h')
-rw-r--r--fs/iomap/trace.h191
1 files changed, 191 insertions, 0 deletions
diff --git a/fs/iomap/trace.h b/fs/iomap/trace.h
new file mode 100644
index 000000000..f6ea9540d
--- /dev/null
+++ b/fs/iomap/trace.h
@@ -0,0 +1,191 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2009-2021 Christoph Hellwig
+ *
+ * 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
+
+#if !defined(_IOMAP_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _IOMAP_TRACE_H
+
+#include <linux/tracepoint.h>
+
+struct inode;
+
+DECLARE_EVENT_CLASS(iomap_readpage_class,
+ TP_PROTO(struct inode *inode, int nr_pages),
+ TP_ARGS(inode, nr_pages),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u64, ino)
+ __field(int, nr_pages)
+ ),
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->nr_pages = nr_pages;
+ ),
+ TP_printk("dev %d:%d ino 0x%llx nr_pages %d",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->ino,
+ __entry->nr_pages)
+)
+
+#define DEFINE_READPAGE_EVENT(name) \
+DEFINE_EVENT(iomap_readpage_class, name, \
+ TP_PROTO(struct inode *inode, int nr_pages), \
+ TP_ARGS(inode, nr_pages))
+DEFINE_READPAGE_EVENT(iomap_readpage);
+DEFINE_READPAGE_EVENT(iomap_readahead);
+
+DECLARE_EVENT_CLASS(iomap_range_class,
+ 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(loff_t, offset)
+ __field(u64, length)
+ ),
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->size = i_size_read(inode);
+ __entry->offset = off;
+ __entry->length = len;
+ ),
+ 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,
+ __entry->offset,
+ __entry->length)
+)
+
+#define DEFINE_RANGE_EVENT(name) \
+DEFINE_EVENT(iomap_range_class, name, \
+ TP_PROTO(struct inode *inode, loff_t off, u64 len),\
+ TP_ARGS(inode, off, len))
+DEFINE_RANGE_EVENT(iomap_writepage);
+DEFINE_RANGE_EVENT(iomap_release_folio);
+DEFINE_RANGE_EVENT(iomap_invalidate_folio);
+DEFINE_RANGE_EVENT(iomap_dio_invalidate_fail);
+
+#define IOMAP_TYPE_STRINGS \
+ { IOMAP_HOLE, "HOLE" }, \
+ { IOMAP_DELALLOC, "DELALLOC" }, \
+ { IOMAP_MAPPED, "MAPPED" }, \
+ { IOMAP_UNWRITTEN, "UNWRITTEN" }, \
+ { IOMAP_INLINE, "INLINE" }
+
+#define IOMAP_FLAGS_STRINGS \
+ { IOMAP_WRITE, "WRITE" }, \
+ { IOMAP_ZERO, "ZERO" }, \
+ { IOMAP_REPORT, "REPORT" }, \
+ { IOMAP_FAULT, "FAULT" }, \
+ { IOMAP_DIRECT, "DIRECT" }, \
+ { IOMAP_NOWAIT, "NOWAIT" }
+
+#define IOMAP_F_FLAGS_STRINGS \
+ { IOMAP_F_NEW, "NEW" }, \
+ { IOMAP_F_DIRTY, "DIRTY" }, \
+ { IOMAP_F_SHARED, "SHARED" }, \
+ { IOMAP_F_MERGED, "MERGED" }, \
+ { IOMAP_F_BUFFER_HEAD, "BH" }, \
+ { IOMAP_F_SIZE_CHANGED, "SIZE_CHANGED" }
+
+DECLARE_EVENT_CLASS(iomap_class,
+ TP_PROTO(struct inode *inode, struct iomap *iomap),
+ TP_ARGS(inode, iomap),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u64, ino)
+ __field(u64, addr)
+ __field(loff_t, offset)
+ __field(u64, length)
+ __field(u16, type)
+ __field(u16, flags)
+ __field(dev_t, bdev)
+ ),
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->addr = iomap->addr;
+ __entry->offset = iomap->offset;
+ __entry->length = iomap->length;
+ __entry->type = iomap->type;
+ __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 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),
+ __entry->addr,
+ __entry->offset,
+ __entry->length,
+ __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
+ __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS))
+)
+
+#define DEFINE_IOMAP_EVENT(name) \
+DEFINE_EVENT(iomap_class, name, \
+ TP_PROTO(struct inode *inode, struct iomap *iomap), \
+ TP_ARGS(inode, iomap))
+DEFINE_IOMAP_EVENT(iomap_iter_dstmap);
+DEFINE_IOMAP_EVENT(iomap_iter_srcmap);
+DEFINE_IOMAP_EVENT(iomap_writepage_map);
+
+TRACE_EVENT(iomap_iter,
+ TP_PROTO(struct iomap_iter *iter, const void *ops,
+ unsigned long caller),
+ TP_ARGS(iter, ops, caller),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u64, ino)
+ __field(loff_t, pos)
+ __field(u64, length)
+ __field(unsigned int, flags)
+ __field(const void *, ops)
+ __field(unsigned long, caller)
+ ),
+ TP_fast_assign(
+ __entry->dev = iter->inode->i_sb->s_dev;
+ __entry->ino = iter->inode->i_ino;
+ __entry->pos = iter->pos;
+ __entry->length = iomap_length(iter);
+ __entry->flags = iter->flags;
+ __entry->ops = ops;
+ __entry->caller = caller;
+ ),
+ 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,
+ __entry->length,
+ __print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
+ __entry->flags,
+ __entry->ops,
+ (void *)__entry->caller)
+);
+
+#endif /* _IOMAP_TRACE_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE trace
+#include <trace/define_trace.h>