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Code Issues Releases Wiki Activity

SUNRPC: Capture value of xdr_buf::page_base

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This value is usually zero, but will be non-zero more often in the
future. Knowing its value can be important diagnostic information.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever 2021-10-04 10:16:32 -04:00 committed by J. Bruce Fields
parent 22a027e8c0
commit 35940a58f9
1 changed files with 14 additions and 6 deletions
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20
include/trace/events/sunrpc.h
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@ -62,6 +62,7 @@ DECLARE_EVENT_CLASS(rpc_xdr_buf_class,
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_base)
__field(unsigned int, page_len)
__field(unsigned int, msg_len)
),
@ -74,14 +75,17 @@ DECLARE_EVENT_CLASS(rpc_xdr_buf_class,
__entry->head_len = xdr->head[0].iov_len;
__entry->tail_base = xdr->tail[0].iov_base;
__entry->tail_len = xdr->tail[0].iov_len;
__entry->page_base = xdr->page_base;
__entry->page_len = xdr->page_len;
__entry->msg_len = xdr->len;
),
TP_printk("task:%u@%u head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
TP_printk("task:%u@%u head=[%p,%zu] page=%u(%u) tail=[%p,%zu] len=%u",
__entry->task_id, __entry->client_id,
__entry->head_base, __entry->head_len, __entry->page_len,
__entry->tail_base, __entry->tail_len, __entry->msg_len
__entry->head_base, __entry->head_len,
__entry->page_len, __entry->page_base,
__entry->tail_base, __entry->tail_len,
__entry->msg_len
)
);
@ -1496,6 +1500,7 @@ DECLARE_EVENT_CLASS(svc_xdr_buf_class,
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_base)
__field(unsigned int, page_len)
__field(unsigned int, msg_len)
),
@ -1506,14 +1511,17 @@ DECLARE_EVENT_CLASS(svc_xdr_buf_class,
__entry->head_len = xdr->head[0].iov_len;
__entry->tail_base = xdr->tail[0].iov_base;
__entry->tail_len = xdr->tail[0].iov_len;
__entry->page_base = xdr->page_base;
__entry->page_len = xdr->page_len;
__entry->msg_len = xdr->len;
),
TP_printk("xid=0x%08x head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
TP_printk("xid=0x%08x head=[%p,%zu] page=%u(%u) tail=[%p,%zu] len=%u",
__entry->xid,
__entry->head_base, __entry->head_len, __entry->page_len,
__entry->tail_base, __entry->tail_len, __entry->msg_len
__entry->head_base, __entry->head_len,
__entry->page_len, __entry->page_base,
__entry->tail_base, __entry->tail_len,
__entry->msg_len
)
);