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scoutfs: add online/offline block trace event

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Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2018-04-09 17:18:59 -07:00
committed by Zach Brown
parent 5eddd10eb7
commit 19f7e0284b
2 changed files with 31 additions and 0 deletions
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4
kmod/src/inode.c
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@@ -524,6 +524,10 @@ void scoutfs_inode_add_onoff(struct inode *inode, s64 on, s64 off)
/* XXX not sure if this is right */
inode->i_blocks += (on + off) * SCOUTFS_BLOCK_SECTORS;
trace_scoutfs_online_offline_blocks(inode, on, off,
si->online_blocks,
si->offline_blocks);
write_seqcount_end(&si->seqcount);
preempt_enable();
}

27
kmod/src/scoutfs_trace.h
View File

@@ -2146,6 +2146,33 @@ DEFINE_EVENT(scoutfs_extent_class, scoutfs_data_fiemap_extent,
TP_ARGS(sb, ext)
);
TRACE_EVENT(scoutfs_online_offline_blocks,
TP_PROTO(struct inode *inode, s64 on_delta, s64 off_delta,
u64 on_now, u64 off_now),
TP_ARGS(inode, on_delta, off_delta, on_now, off_now),
TP_STRUCT__entry(
__field(__u64, fsid)
__field(__s64, on_delta)
__field(__s64, off_delta)
__field(__u64, on_now)
__field(__u64, off_now)
),
TP_fast_assign(
__entry->fsid = FSID_ARG(inode->i_sb);
__entry->on_delta = on_delta;
__entry->off_delta = off_delta;
__entry->on_now = on_now;
__entry->off_now = off_now;
),
TP_printk("fsid "FSID_FMT" on_delta %lld off_delta %lld on_now %llu off_now %llu ",
__entry->fsid, __entry->on_delta, __entry->off_delta,
__entry->on_now, __entry->off_now)
);
#endif /* _TRACE_SCOUTFS_H */
/* This part must be outside protection */