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