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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2009-2019 Christoph Hellwig
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*
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* NOTE: none of these tracepoints shall be consider a stable kernel ABI
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* as they can change at any time.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM iomap
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#if !defined(_IOMAP_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _IOMAP_TRACE_H
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#include <linux/tracepoint.h>
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struct inode;
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DECLARE_EVENT_CLASS(iomap_readpage_class,
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TP_PROTO(struct inode *inode, int nr_pages),
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TP_ARGS(inode, nr_pages),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(u64, ino)
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__field(int, nr_pages)
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),
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TP_fast_assign(
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__entry->dev = inode->i_sb->s_dev;
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__entry->ino = inode->i_ino;
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__entry->nr_pages = nr_pages;
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),
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TP_printk("dev %d:%d ino 0x%llx nr_pages %d",
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MAJOR(__entry->dev), MINOR(__entry->dev),
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__entry->ino,
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__entry->nr_pages)
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)
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#define DEFINE_READPAGE_EVENT(name) \
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DEFINE_EVENT(iomap_readpage_class, name, \
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TP_PROTO(struct inode *inode, int nr_pages), \
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TP_ARGS(inode, nr_pages))
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DEFINE_READPAGE_EVENT(iomap_readpage);
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DEFINE_READPAGE_EVENT(iomap_readpages);
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DECLARE_EVENT_CLASS(iomap_page_class,
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TP_PROTO(struct inode *inode, struct page *page, unsigned long off,
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unsigned int len),
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TP_ARGS(inode, page, off, len),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(u64, ino)
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__field(pgoff_t, pgoff)
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__field(loff_t, size)
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__field(unsigned long, offset)
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__field(unsigned int, length)
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),
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TP_fast_assign(
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__entry->dev = inode->i_sb->s_dev;
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__entry->ino = inode->i_ino;
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__entry->pgoff = page_offset(page);
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__entry->size = i_size_read(inode);
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__entry->offset = off;
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__entry->length = len;
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),
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TP_printk("dev %d:%d ino 0x%llx pgoff 0x%lx size 0x%llx offset %lx "
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"length %x",
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MAJOR(__entry->dev), MINOR(__entry->dev),
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__entry->ino,
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__entry->pgoff,
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__entry->size,
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__entry->offset,
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__entry->length)
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)
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#define DEFINE_PAGE_EVENT(name) \
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DEFINE_EVENT(iomap_page_class, name, \
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TP_PROTO(struct inode *inode, struct page *page, unsigned long off, \
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unsigned int len), \
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TP_ARGS(inode, page, off, len))
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DEFINE_PAGE_EVENT(iomap_releasepage);
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DEFINE_PAGE_EVENT(iomap_invalidatepage);
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#endif /* _IOMAP_TRACE_H */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE trace
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#include <trace/define_trace.h>
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