LXR linux/include/trace/events/rpm.h

   1
   2#undef TRACE_SYSTEM
   3#define TRACE_SYSTEM rpm
   4
   5#if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
   6#define _TRACE_RUNTIME_POWER_H
   7
   8#include <linux/ktime.h>
   9#include <linux/tracepoint.h>
  10
  11struct device;
  12
  13/*
  14 * The rpm_internal events are used for tracing some important
  15 * runtime pm internal functions.
  16 */
  17DECLARE_EVENT_CLASS(rpm_internal,
  18
  19        TP_PROTO(struct device *dev, int flags),
  20
  21        TP_ARGS(dev, flags),
  22
  23        TP_STRUCT__entry(
  24                __string(       name,           dev_name(dev)   )
  25                __field(        int,            flags           )
  26                __field(        int ,           usage_count     )
  27                __field(        int ,           disable_depth   )
  28                __field(        int ,           runtime_auto    )
  29                __field(        int ,           request_pending )
  30                __field(        int ,           irq_safe        )
  31                __field(        int ,           child_count     )
  32        ),
  33
  34        TP_fast_assign(
  35                __assign_str(name, dev_name(dev));
  36                __entry->flags = flags;
  37                __entry->usage_count = atomic_read(
  38                        &dev->power.usage_count);
  39                __entry->disable_depth = dev->power.disable_depth;
  40                __entry->runtime_auto = dev->power.runtime_auto;
  41                __entry->request_pending = dev->power.request_pending;
  42                __entry->irq_safe = dev->power.irq_safe;
  43                __entry->child_count = atomic_read(
  44                        &dev->power.child_count);
  45        ),
  46
  47        TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d"
  48                        " irq-%-1d child-%d",
  49                        __get_str(name), __entry->flags,
  50                        __entry->usage_count,
  51                        __entry->disable_depth,
  52                        __entry->runtime_auto,
  53                        __entry->request_pending,
  54                        __entry->irq_safe,
  55                        __entry->child_count
  56                 )
  57);
  58DEFINE_EVENT(rpm_internal, rpm_suspend,
  59
  60        TP_PROTO(struct device *dev, int flags),
  61
  62        TP_ARGS(dev, flags)
  63);
  64DEFINE_EVENT(rpm_internal, rpm_resume,
  65
  66        TP_PROTO(struct device *dev, int flags),
  67
  68        TP_ARGS(dev, flags)
  69);
  70DEFINE_EVENT(rpm_internal, rpm_idle,
  71
  72        TP_PROTO(struct device *dev, int flags),
  73
  74        TP_ARGS(dev, flags)
  75);
  76
  77TRACE_EVENT(rpm_return_int,
  78        TP_PROTO(struct device *dev, unsigned long ip, int ret),
  79        TP_ARGS(dev, ip, ret),
  80
  81        TP_STRUCT__entry(
  82                __string(       name,           dev_name(dev))
  83                __field(        unsigned long,          ip      )
  84                __field(        int,                    ret     )
  85        ),
  86
  87        TP_fast_assign(
  88                __assign_str(name, dev_name(dev));
  89                __entry->ip = ip;
  90                __entry->ret = ret;
  91        ),
  92
  93        TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name),
  94                __entry->ret)
  95);
  96
  97#endif /* _TRACE_RUNTIME_POWER_H */
  98
  99/* This part must be outside protection */
 100#include <trace/define_trace.h>
 101