108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM rpm
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#if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_RUNTIME_POWER_H
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#include <linux/ktime.h>
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#include <linux/tracepoint.h>
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struct device;
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/*
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* The rpm_internal events are used for tracing some important
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* runtime pm internal functions.
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*/
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DECLARE_EVENT_CLASS(rpm_internal,
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TP_PROTO(struct device *dev, int flags),
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TP_ARGS(dev, flags),
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TP_STRUCT__entry(
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__string( name, dev_name(dev) )
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__field( int, flags )
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__field( int , usage_count )
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__field( int , disable_depth )
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__field( int , runtime_auto )
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__field( int , request_pending )
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__field( int , irq_safe )
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__field( int , child_count )
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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__entry->flags = flags;
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__entry->usage_count = atomic_read(
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&dev->power.usage_count);
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__entry->disable_depth = dev->power.disable_depth;
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__entry->runtime_auto = dev->power.runtime_auto;
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__entry->request_pending = dev->power.request_pending;
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__entry->irq_safe = dev->power.irq_safe;
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__entry->child_count = atomic_read(
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&dev->power.child_count);
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),
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TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d"
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" irq-%-1d child-%d",
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__get_str(name), __entry->flags,
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__entry->usage_count,
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__entry->disable_depth,
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__entry->runtime_auto,
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__entry->request_pending,
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__entry->irq_safe,
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__entry->child_count
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)
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);
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DEFINE_EVENT(rpm_internal, rpm_suspend,
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TP_PROTO(struct device *dev, int flags),
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TP_ARGS(dev, flags)
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);
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DEFINE_EVENT(rpm_internal, rpm_resume,
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TP_PROTO(struct device *dev, int flags),
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TP_ARGS(dev, flags)
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);
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DEFINE_EVENT(rpm_internal, rpm_idle,
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TP_PROTO(struct device *dev, int flags),
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TP_ARGS(dev, flags)
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);
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DEFINE_EVENT(rpm_internal, rpm_usage,
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TP_PROTO(struct device *dev, int flags),
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TP_ARGS(dev, flags)
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);
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TRACE_EVENT(rpm_return_int,
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TP_PROTO(struct device *dev, unsigned long ip, int ret),
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TP_ARGS(dev, ip, ret),
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TP_STRUCT__entry(
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__string( name, dev_name(dev))
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__field( unsigned long, ip )
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__field( int, ret )
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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__entry->ip = ip;
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__entry->ret = ret;
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),
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TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name),
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__entry->ret)
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);
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#endif /* _TRACE_RUNTIME_POWER_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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