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authorDave Chinner <dchinner@redhat.com>2018-05-09 07:48:52 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2018-05-10 08:56:46 -0700
commite632a5690c734a383a83272a502be79cb2c040e5 (patch)
tree3a553ea919cd7ebf18fa8a806c47c2dfb6ccb708 /fs/xfs/xfs_trace.h
parentba18781b91569af2d721c46740d4ce139720c298 (diff)
xfs: adder caller IP to xfs_defer* tracepoints
So it's clear in the trace where they are being called from. Signed-Off-By: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_trace.h')
-rw-r--r--fs/xfs/xfs_trace.h17
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 1f95c20e3442..e2ffc1e01bd8 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -2246,30 +2246,35 @@ struct xfs_defer_pending;
struct xfs_defer_ops;
DECLARE_EVENT_CLASS(xfs_defer_class,
- TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop),
- TP_ARGS(mp, dop),
+ TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop,
+ unsigned long caller_ip),
+ TP_ARGS(mp, dop, caller_ip),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(void *, dop)
__field(char, committed)
__field(char, low)
+ __field(unsigned long, caller_ip)
),
TP_fast_assign(
__entry->dev = mp ? mp->m_super->s_dev : 0;
__entry->dop = dop;
__entry->committed = dop->dop_committed;
__entry->low = dop->dop_low;
+ __entry->caller_ip = caller_ip;
),
- TP_printk("dev %d:%d ops %p committed %d low %d",
+ TP_printk("dev %d:%d ops %p committed %d low %d, caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->dop,
__entry->committed,
- __entry->low)
+ __entry->low,
+ (char *)__entry->caller_ip)
)
#define DEFINE_DEFER_EVENT(name) \
DEFINE_EVENT(xfs_defer_class, name, \
- TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop), \
- TP_ARGS(mp, dop))
+ TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop, \
+ unsigned long caller_ip), \
+ TP_ARGS(mp, dop, caller_ip))
DECLARE_EVENT_CLASS(xfs_defer_error_class,
TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop, int error),