99 lines
1.8 KiB
C
99 lines
1.8 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM rcu
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#if !defined(_TRACE_RCU_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_RCU_H
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#include <linux/tracepoint.h>
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/*
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* Tracepoint for calling rcu_do_batch, performed to start callback invocation:
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*/
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TRACE_EVENT(rcu_batch_start,
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TP_PROTO(long callbacks_ready, int blimit),
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TP_ARGS(callbacks_ready, blimit),
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TP_STRUCT__entry(
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__field( long, callbacks_ready )
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__field( int, blimit )
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),
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TP_fast_assign(
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__entry->callbacks_ready = callbacks_ready;
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__entry->blimit = blimit;
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),
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TP_printk("CBs=%ld bl=%d", __entry->callbacks_ready, __entry->blimit)
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);
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/*
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* Tracepoint for the invocation of a single RCU callback
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*/
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TRACE_EVENT(rcu_invoke_callback,
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TP_PROTO(struct rcu_head *rhp),
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TP_ARGS(rhp),
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TP_STRUCT__entry(
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__field( void *, rhp )
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__field( void *, func )
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),
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TP_fast_assign(
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__entry->rhp = rhp;
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__entry->func = rhp->func;
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),
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TP_printk("rhp=%p func=%pf", __entry->rhp, __entry->func)
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);
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/*
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* Tracepoint for the invocation of a single RCU kfree callback
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*/
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TRACE_EVENT(rcu_invoke_kfree_callback,
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TP_PROTO(struct rcu_head *rhp, unsigned long offset),
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TP_ARGS(rhp, offset),
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TP_STRUCT__entry(
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__field(void *, rhp )
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__field(unsigned long, offset )
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),
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TP_fast_assign(
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__entry->rhp = rhp;
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__entry->offset = offset;
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),
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TP_printk("rhp=%p func=%ld", __entry->rhp, __entry->offset)
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);
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/*
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* Tracepoint for leaving rcu_do_batch, performed after callback invocation:
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*/
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TRACE_EVENT(rcu_batch_end,
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TP_PROTO(int callbacks_invoked),
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TP_ARGS(callbacks_invoked),
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TP_STRUCT__entry(
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__field( int, callbacks_invoked )
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),
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TP_fast_assign(
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__entry->callbacks_invoked = callbacks_invoked;
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),
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TP_printk("CBs-invoked=%d", __entry->callbacks_invoked)
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);
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#endif /* _TRACE_RCU_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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