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124 lines
2.4 KiB
124 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM cpuhp
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#if !defined(_TRACE_CPUHP_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_CPUHP_H
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#include <linux/tracepoint.h>
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#include <linux/sched/clock.h>
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TRACE_EVENT(cpuhp_enter,
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TP_PROTO(unsigned int cpu,
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int target,
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int idx,
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int (*fun)(unsigned int)),
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TP_ARGS(cpu, target, idx, fun),
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TP_STRUCT__entry(
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__field( unsigned int, cpu )
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__field( int, target )
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__field( int, idx )
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__field( void *, fun )
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),
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TP_fast_assign(
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__entry->cpu = cpu;
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__entry->target = target;
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__entry->idx = idx;
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__entry->fun = fun;
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),
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TP_printk("cpu: %04u target: %3d step: %3d (%pf)",
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__entry->cpu, __entry->target, __entry->idx, __entry->fun)
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);
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TRACE_EVENT(cpuhp_multi_enter,
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TP_PROTO(unsigned int cpu,
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int target,
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int idx,
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int (*fun)(unsigned int, struct hlist_node *),
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struct hlist_node *node),
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TP_ARGS(cpu, target, idx, fun, node),
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TP_STRUCT__entry(
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__field( unsigned int, cpu )
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__field( int, target )
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__field( int, idx )
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__field( void *, fun )
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),
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TP_fast_assign(
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__entry->cpu = cpu;
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__entry->target = target;
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__entry->idx = idx;
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__entry->fun = fun;
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),
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TP_printk("cpu: %04u target: %3d step: %3d (%pf)",
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__entry->cpu, __entry->target, __entry->idx, __entry->fun)
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);
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TRACE_EVENT(cpuhp_exit,
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TP_PROTO(unsigned int cpu,
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int state,
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int idx,
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int ret),
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TP_ARGS(cpu, state, idx, ret),
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TP_STRUCT__entry(
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__field( unsigned int, cpu )
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__field( int, state )
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__field( int, idx )
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__field( int, ret )
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),
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TP_fast_assign(
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__entry->cpu = cpu;
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__entry->state = state;
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__entry->idx = idx;
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__entry->ret = ret;
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),
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TP_printk(" cpu: %04u state: %3d step: %3d ret: %d",
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__entry->cpu, __entry->state, __entry->idx, __entry->ret)
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);
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TRACE_EVENT(cpuhp_latency,
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TP_PROTO(unsigned int cpu, unsigned int state,
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u64 start_time, int ret),
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TP_ARGS(cpu, state, start_time, ret),
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TP_STRUCT__entry(
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__field(unsigned int, cpu)
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__field(unsigned int, state)
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__field(u64, time)
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__field(int, ret)
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),
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TP_fast_assign(
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__entry->cpu = cpu;
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__entry->state = state;
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__entry->time = div64_u64(sched_clock() - start_time, 1000);
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__entry->ret = ret;
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),
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TP_printk(" cpu:%d state:%s latency:%llu USEC ret: %d",
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__entry->cpu, __entry->state ? "online" : "offline",
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__entry->time, __entry->ret)
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);
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#endif
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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