Commit 46fcc6ef authored by Sowmini Varadhan's avatar Sowmini Varadhan Committed by David S. Miller

sunvnet: Add support for perf LDC event tracing

Add perf event macros for support of tracing and instrumentation
of LDC state machine
Signed-off-by: default avatarSowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ffeb6437
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sunvnet
#if !defined(_TRACE_SUNVNET_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SUNVNET_H
#include <linux/tracepoint.h>
TRACE_EVENT(vnet_rx_one,
TP_PROTO(int lsid, int rsid, int index, int needs_ack),
TP_ARGS(lsid, rsid, index, needs_ack),
TP_STRUCT__entry(
__field(int, lsid)
__field(int, rsid)
__field(int, index)
__field(int, needs_ack)
),
TP_fast_assign(
__entry->lsid = lsid;
__entry->rsid = rsid;
__entry->index = index;
__entry->needs_ack = needs_ack;
),
TP_printk("(%x:%x) walk_rx_one index %d; needs_ack %d",
__entry->lsid, __entry->rsid,
__entry->index, __entry->needs_ack)
);
DECLARE_EVENT_CLASS(vnet_tx_stopped_ack_template,
TP_PROTO(int lsid, int rsid, int ack_end, int npkts),
TP_ARGS(lsid, rsid, ack_end, npkts),
TP_STRUCT__entry(
__field(int, lsid)
__field(int, rsid)
__field(int, ack_end)
__field(int, npkts)
),
TP_fast_assign(
__entry->lsid = lsid;
__entry->rsid = rsid;
__entry->ack_end = ack_end;
__entry->npkts = npkts;
),
TP_printk("(%x:%x) stopped ack for %d; npkts %d",
__entry->lsid, __entry->rsid,
__entry->ack_end, __entry->npkts)
);
DEFINE_EVENT(vnet_tx_stopped_ack_template, vnet_tx_send_stopped_ack,
TP_PROTO(int lsid, int rsid, int ack_end, int npkts),
TP_ARGS(lsid, rsid, ack_end, npkts));
DEFINE_EVENT(vnet_tx_stopped_ack_template, vnet_tx_defer_stopped_ack,
TP_PROTO(int lsid, int rsid, int ack_end, int npkts),
TP_ARGS(lsid, rsid, ack_end, npkts));
DEFINE_EVENT(vnet_tx_stopped_ack_template, vnet_tx_pending_stopped_ack,
TP_PROTO(int lsid, int rsid, int ack_end, int npkts),
TP_ARGS(lsid, rsid, ack_end, npkts));
TRACE_EVENT(vnet_rx_stopped_ack,
TP_PROTO(int lsid, int rsid, int end),
TP_ARGS(lsid, rsid, end),
TP_STRUCT__entry(
__field(int, lsid)
__field(int, rsid)
__field(int, end)
),
TP_fast_assign(
__entry->lsid = lsid;
__entry->rsid = rsid;
__entry->end = end;
),
TP_printk("(%x:%x) stopped ack for index %d",
__entry->lsid, __entry->rsid, __entry->end)
);
TRACE_EVENT(vnet_tx_trigger,
TP_PROTO(int lsid, int rsid, int start, int err),
TP_ARGS(lsid, rsid, start, err),
TP_STRUCT__entry(
__field(int, lsid)
__field(int, rsid)
__field(int, start)
__field(int, err)
),
TP_fast_assign(
__entry->lsid = lsid;
__entry->rsid = rsid;
__entry->start = start;
__entry->err = err;
),
TP_printk("(%x:%x) Tx trigger for %d sent with err %d %s",
__entry->lsid, __entry->rsid, __entry->start,
__entry->err, __entry->err > 0 ? "(ok)" : " ")
);
TRACE_EVENT(vnet_skip_tx_trigger,
TP_PROTO(int lsid, int rsid, int last),
TP_ARGS(lsid, rsid, last),
TP_STRUCT__entry(
__field(int, lsid)
__field(int, rsid)
__field(int, last)
),
TP_fast_assign(
__entry->lsid = lsid;
__entry->rsid = rsid;
__entry->last = last;
),
TP_printk("(%x:%x) Skip Tx trigger. Last trigger sent was %d",
__entry->lsid, __entry->rsid, __entry->last)
);
#endif /* _TRACE_SOCK_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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