include/instrumentation/events/rpm.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   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 <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_FIELDS(
  27                 ctf_string(name, dev_name(dev))
  28                 ctf_integer(int, flags, flags)
  29                 ctf_integer(int, usage_count, atomic_read(&dev->power.usage_count))
  30                 ctf_integer(int, disable_depth, dev->power.disable_depth)
  31                 ctf_integer(int, runtime_auto, dev->power.runtime_auto)
  32                 ctf_integer(int, request_pending, dev->power.request_pending)
  33                 ctf_integer(int, irq_safe, dev->power.irq_safe)
  34                 ctf_integer(int, child_count, atomic_read(&dev->power.child_count))
  35         )
  36 )
  37
  38 LTTNG_TRACEPOINT_EVENT_INSTANCE(rpm_internal, rpm_suspend,
  39
  40         TP_PROTO(struct device *dev, int flags),
  41
  42         TP_ARGS(dev, flags)
  43 )
  44
  45 LTTNG_TRACEPOINT_EVENT_INSTANCE(rpm_internal, rpm_resume,
  46
  47         TP_PROTO(struct device *dev, int flags),
  48
  49         TP_ARGS(dev, flags)
  50 )
  51
  52 LTTNG_TRACEPOINT_EVENT_INSTANCE(rpm_internal, rpm_idle,
  53
  54         TP_PROTO(struct device *dev, int flags),
  55
  56         TP_ARGS(dev, flags)
  57 )
  58
  59 LTTNG_TRACEPOINT_EVENT(rpm_return_int,
  60         TP_PROTO(struct device *dev, unsigned long ip, int ret),
  61         TP_ARGS(dev, ip, ret),
  62
  63         TP_FIELDS(
  64                 ctf_string(name, dev_name(dev))
  65                 ctf_integer_hex(unsigned long, ip, ip)
  66                 ctf_integer(int, ret, ret)
  67         )
  68 )
  69
  70 #endif /* LTTNG_TRACE_RUNTIME_POWER_H */
  71
  72 /* This part must be outside protection */
  73 #include <lttng/define_trace.h>