rpm.h

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM rpm

#if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_RUNTIME_POWER_H

#include <linux/ktime.h>
#include <linux/tracepoint.h>

struct device;

/*
 * The rpm_internal events are used for tracing some important
 * runtime pm internal functions.
 */
DECLARE_EVENT_CLASS(rpm_internal,

    TP_PROTO(struct device *dev, int flags),

    TP_ARGS(dev, flags),

    TP_STRUCT__entry(
        __string(       name,       dev_name(dev)   )
        __field(        int,            flags           )
        __field(        int ,       usage_count )
        __field(        int ,       disable_depth   )
        __field(        int ,       runtime_auto    )
        __field(        int ,       request_pending )
        __field(        int ,       irq_safe    )
        __field(        int ,       child_count     )
    ),

    TP_fast_assign(
        __assign_str(name, dev_name(dev));
        __entry->flags = flags;
        __entry->usage_count = atomic_read(
            &dev->power.usage_count);
        __entry->disable_depth = dev->power.disable_depth;
        __entry->runtime_auto = dev->power.runtime_auto;
        __entry->request_pending = dev->power.request_pending;
        __entry->irq_safe = dev->power.irq_safe;
        __entry->child_count = atomic_read(
            &dev->power.child_count);
    ),

    TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d"
            " irq-%-1d child-%d",
            __get_str(name), __entry->flags,
            __entry->usage_count,
            __entry->disable_depth,
            __entry->runtime_auto,
            __entry->request_pending,
            __entry->irq_safe,
            __entry->child_count
         )
);
DEFINE_EVENT(rpm_internal, rpm_suspend,

    TP_PROTO(struct device *dev, int flags),

    TP_ARGS(dev, flags)
);
DEFINE_EVENT(rpm_internal, rpm_resume,

    TP_PROTO(struct device *dev, int flags),

    TP_ARGS(dev, flags)
);
DEFINE_EVENT(rpm_internal, rpm_idle,

    TP_PROTO(struct device *dev, int flags),

    TP_ARGS(dev, flags)
);

TRACE_EVENT(rpm_return_int,
    TP_PROTO(struct device *dev, unsigned long ip, int ret),
    TP_ARGS(dev, ip, ret),

    TP_STRUCT__entry(
        __string(       name,       dev_name(dev))
        __field(    unsigned long,      ip  )
        __field(    int,            ret )
    ),

    TP_fast_assign(
        __assign_str(name, dev_name(dev));
        __entry->ip = ip;
        __entry->ret = ret;
    ),

    TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name),
        __entry->ret)
);

#endif /* _TRACE_RUNTIME_POWER_H */

/* This part must be outside protection */
#include <trace/define_trace.h>