instrumentation/events/lttng-module/rpm.h

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