kernel/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
  11 struct device;
  12
  13 /*
  14  * The rpm_internal events are used for tracing some important
  15  * runtime pm internal functions.
  16  */
  17 DECLARE_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 );
  58 DEFINE_EVENT(rpm_internal, rpm_suspend,
  59
  60         TP_PROTO(struct device *dev, int flags),
  61
  62         TP_ARGS(dev, flags)
  63 );
  64 DEFINE_EVENT(rpm_internal, rpm_resume,
  65
  66         TP_PROTO(struct device *dev, int flags),
  67
  68         TP_ARGS(dev, flags)
  69 );
  70 DEFINE_EVENT(rpm_internal, rpm_idle,
  71
  72         TP_PROTO(struct device *dev, int flags),
  73
  74         TP_ARGS(dev, flags)
  75 );
  76
  77 TRACE_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>