CasperSecurity
/* SPDX-License-Identifier: GPL-2.0-only */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM erofs
#if !defined(_TRACE_EROFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_EROFS_H
#include <linux/tracepoint.h>
#include <linux/fs.h>
struct erofs_map_blocks;
#define show_dev(dev) MAJOR(dev), MINOR(dev)
#define show_dev_nid(entry) show_dev(entry->dev), entry->nid
#define show_file_type(type) \
__print_symbolic(type, \
{ 0, "FILE" }, \
{ 1, "DIR" })
#define show_map_flags(flags) __print_flags(flags, "|", \
{ EROFS_GET_BLOCKS_RAW, "RAW" })
#define show_mflags(flags) __print_flags(flags, "", \
{ EROFS_MAP_MAPPED, "M" }, \
{ EROFS_MAP_META, "I" }, \
{ EROFS_MAP_ZIPPED, "Z" })
TRACE_EVENT(erofs_lookup,
TP_PROTO(struct inode *dir, struct dentry *dentry, unsigned int flags),
TP_ARGS(dir, dentry, flags),
TP_STRUCT__entry(
__field(dev_t, dev )
__field(erofs_nid_t, nid )
__string(name, dentry->d_name.name )
__field(unsigned int, flags )
),
TP_fast_assign(
__entry->dev = dir->i_sb->s_dev;
__entry->nid = EROFS_I(dir)->nid;
__assign_str(name, dentry->d_name.name);
__entry->flags = flags;
),
TP_printk("dev = (%d,%d), pnid = %llu, name:%s, flags:%x",
show_dev_nid(__entry),
__get_str(name),
__entry->flags)
);
TRACE_EVENT(erofs_fill_inode,
TP_PROTO(struct inode *inode, int isdir),
TP_ARGS(inode, isdir),
TP_STRUCT__entry(
__field(dev_t, dev )
__field(erofs_nid_t, nid )
__field(erofs_blk_t, blkaddr )
__field(unsigned int, ofs )
__field(int, isdir )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->nid = EROFS_I(inode)->nid;
__entry->blkaddr = erofs_blknr(iloc(EROFS_I_SB(inode), __entry->nid));
__entry->ofs = erofs_blkoff(iloc(EROFS_I_SB(inode), __entry->nid));
__entry->isdir = isdir;
),
TP_printk("dev = (%d,%d), nid = %llu, blkaddr %u ofs %u, isdir %d",
show_dev_nid(__entry),
__entry->blkaddr, __entry->ofs,
__entry->isdir)
);
TRACE_EVENT(erofs_readpage,
TP_PROTO(struct page *page, bool raw),
TP_ARGS(page, raw),
TP_STRUCT__entry(
__field(dev_t, dev )
__field(erofs_nid_t, nid )
__field(int, dir )
__field(pgoff_t, index )
__field(int, uptodate)
__field(bool, raw )
),
TP_fast_assign(
__entry->dev = page->mapping->host->i_sb->s_dev;
__entry->nid = EROFS_I(page->mapping->host)->nid;
__entry->dir = S_ISDIR(page->mapping->host->i_mode);
__entry->index = page->index;
__entry->uptodate = PageUptodate(page);
__entry->raw = raw;
),
TP_printk("dev = (%d,%d), nid = %llu, %s, index = %lu, uptodate = %d "
"raw = %d",
show_dev_nid(__entry),
show_file_type(__entry->dir),
(unsigned long)__entry->index,
__entry->uptodate,
__entry->raw)
);
TRACE_EVENT(erofs_readpages,
TP_PROTO(struct inode *inode, pgoff_t start, unsigned int nrpage,
bool raw),
TP_ARGS(inode, start, nrpage, raw),
TP_STRUCT__entry(
__field(dev_t, dev )
__field(erofs_nid_t, nid )
__field(pgoff_t, start )
__field(unsigned int, nrpage )
__field(bool, raw )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->nid = EROFS_I(inode)->nid;
__entry->start = start;
__entry->nrpage = nrpage;
__entry->raw = raw;
),
TP_printk("dev = (%d,%d), nid = %llu, start = %lu nrpage = %u raw = %d",
show_dev_nid(__entry),
(unsigned long)__entry->start,
__entry->nrpage,
__entry->raw)
);
DECLARE_EVENT_CLASS(erofs__map_blocks_enter,
TP_PROTO(struct inode *inode, struct erofs_map_blocks *map,
unsigned int flags),
TP_ARGS(inode, map, flags),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( erofs_nid_t, nid )
__field( erofs_off_t, la )
__field( u64, llen )
__field( unsigned int, flags )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->nid = EROFS_I(inode)->nid;
__entry->la = map->m_la;
__entry->llen = map->m_llen;
__entry->flags = flags;
),
TP_printk("dev = (%d,%d), nid = %llu, la %llu llen %llu flags %s",
show_dev_nid(__entry),
__entry->la, __entry->llen,
__entry->flags ? show_map_flags(__entry->flags) : "NULL")
);
DEFINE_EVENT(erofs__map_blocks_enter, erofs_map_blocks_flatmode_enter,
TP_PROTO(struct inode *inode, struct erofs_map_blocks *map,
unsigned flags),
TP_ARGS(inode, map, flags)
);
DEFINE_EVENT(erofs__map_blocks_enter, z_erofs_map_blocks_iter_enter,
TP_PROTO(struct inode *inode, struct erofs_map_blocks *map,
unsigned int flags),
TP_ARGS(inode, map, flags)
);
DECLARE_EVENT_CLASS(erofs__map_blocks_exit,
TP_PROTO(struct inode *inode, struct erofs_map_blocks *map,
unsigned int flags, int ret),
TP_ARGS(inode, map, flags, ret),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( erofs_nid_t, nid )
__field( unsigned int, flags )
__field( erofs_off_t, la )
__field( erofs_off_t, pa )
__field( u64, llen )
__field( u64, plen )
__field( unsigned int, mflags )
__field( int, ret )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->nid = EROFS_I(inode)->nid;
__entry->flags = flags;
__entry->la = map->m_la;
__entry->pa = map->m_pa;
__entry->llen = map->m_llen;
__entry->plen = map->m_plen;
__entry->mflags = map->m_flags;
__entry->ret = ret;
),
TP_printk("dev = (%d,%d), nid = %llu, flags %s "
"la %llu pa %llu llen %llu plen %llu mflags %s ret %d",
show_dev_nid(__entry),
__entry->flags ? show_map_flags(__entry->flags) : "NULL",
__entry->la, __entry->pa, __entry->llen, __entry->plen,
show_mflags(__entry->mflags), __entry->ret)
);
DEFINE_EVENT(erofs__map_blocks_exit, erofs_map_blocks_flatmode_exit,
TP_PROTO(struct inode *inode, struct erofs_map_blocks *map,
unsigned flags, int ret),
TP_ARGS(inode, map, flags, ret)
);
DEFINE_EVENT(erofs__map_blocks_exit, z_erofs_map_blocks_iter_exit,
TP_PROTO(struct inode *inode, struct erofs_map_blocks *map,
unsigned int flags, int ret),
TP_ARGS(inode, map, flags, ret)
);
#endif /* _TRACE_EROFS_H */
/* This part must be outside protection */
#include <trace/define_trace.h>