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c86e3c4718
Add some tracepoints around various multigrain timestamp events. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> # documentation bits Signed-off-by: Jeff Layton <jlayton@kernel.org> Link: https://lore.kernel.org/r/20241002-mgtime-v10-6-d1c4717f5284@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM timestamp
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#if !defined(_TRACE_TIMESTAMP_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_TIMESTAMP_H
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#include <linux/tracepoint.h>
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#include <linux/fs.h>
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#define CTIME_QUERIED_FLAGS \
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{ I_CTIME_QUERIED, "Q" }
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DECLARE_EVENT_CLASS(ctime,
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TP_PROTO(struct inode *inode,
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struct timespec64 *ctime),
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TP_ARGS(inode, ctime),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(ino_t, ino)
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__field(time64_t, ctime_s)
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__field(u32, ctime_ns)
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__field(u32, gen)
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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->gen = inode->i_generation;
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__entry->ctime_s = ctime->tv_sec;
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__entry->ctime_ns = ctime->tv_nsec;
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),
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TP_printk("ino=%d:%d:%ld:%u ctime=%lld.%u",
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MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, __entry->gen,
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__entry->ctime_s, __entry->ctime_ns
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)
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);
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DEFINE_EVENT(ctime, inode_set_ctime_to_ts,
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TP_PROTO(struct inode *inode,
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struct timespec64 *ctime),
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TP_ARGS(inode, ctime));
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DEFINE_EVENT(ctime, ctime_xchg_skip,
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TP_PROTO(struct inode *inode,
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struct timespec64 *ctime),
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TP_ARGS(inode, ctime));
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TRACE_EVENT(ctime_ns_xchg,
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TP_PROTO(struct inode *inode,
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u32 old,
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u32 new,
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u32 cur),
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TP_ARGS(inode, old, new, cur),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(ino_t, ino)
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__field(u32, gen)
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__field(u32, old)
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__field(u32, new)
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__field(u32, cur)
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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->gen = inode->i_generation;
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__entry->old = old;
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__entry->new = new;
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__entry->cur = cur;
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),
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TP_printk("ino=%d:%d:%ld:%u old=%u:%s new=%u cur=%u:%s",
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MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, __entry->gen,
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__entry->old & ~I_CTIME_QUERIED,
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__print_flags(__entry->old & I_CTIME_QUERIED, "|", CTIME_QUERIED_FLAGS),
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__entry->new,
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__entry->cur & ~I_CTIME_QUERIED,
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__print_flags(__entry->cur & I_CTIME_QUERIED, "|", CTIME_QUERIED_FLAGS)
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)
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);
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TRACE_EVENT(fill_mg_cmtime,
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TP_PROTO(struct inode *inode,
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struct timespec64 *ctime,
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struct timespec64 *mtime),
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TP_ARGS(inode, ctime, mtime),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(ino_t, ino)
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__field(time64_t, ctime_s)
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__field(time64_t, mtime_s)
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__field(u32, ctime_ns)
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__field(u32, mtime_ns)
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__field(u32, gen)
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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->gen = inode->i_generation;
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__entry->ctime_s = ctime->tv_sec;
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__entry->mtime_s = mtime->tv_sec;
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__entry->ctime_ns = ctime->tv_nsec;
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__entry->mtime_ns = mtime->tv_nsec;
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),
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TP_printk("ino=%d:%d:%ld:%u ctime=%lld.%u mtime=%lld.%u",
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MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, __entry->gen,
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__entry->ctime_s, __entry->ctime_ns,
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__entry->mtime_s, __entry->mtime_ns
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)
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);
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#endif /* _TRACE_TIMESTAMP_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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