include/trace/events/arm-ipi.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM arm-ipi
   3
   4 #if !defined(_TRACE_ARM_IPI_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_ARM_IPI_H
   6
   7 #include <linux/tracepoint.h>
   8
   9 #define show_arm_ipi_name(val)                          \
  10         __print_symbolic(val,                           \
  11                          { 0, "IPI_WAKEUP" },           \
  12                          { 1, "IPI_TIMER" },            \
  13                          { 2, "IPI_RESCHEDULE" },               \
  14                          { 3, "IPI_CALL_FUNC" },                \
  15                          { 4, "IPI_CALL_FUNC_SINGLE" },         \
  16                          { 5, "IPI_CPU_STOP" }, \
  17                          { 6, "IPI_COMPLETION" },               \
  18                          { 7, "IPI_CPU_BACKTRACE" })
  19
  20 DECLARE_EVENT_CLASS(arm_ipi,
  21
  22         TP_PROTO(unsigned int ipi_nr),
  23
  24         TP_ARGS(ipi_nr),
  25
  26         TP_STRUCT__entry(
  27                 __field(        unsigned int,   ipi     )
  28         ),
  29
  30         TP_fast_assign(
  31                 __entry->ipi = ipi_nr;
  32         ),
  33
  34         TP_printk("ipi=%u [action=%s]", __entry->ipi,
  35                 show_arm_ipi_name(__entry->ipi))
  36 );
  37
  38 /**
  39  * arm_ipi_entry - called in the arm-generic ipi handler immediately before
  40  *                 entering ipi-type handler
  41  * @ipi_nr:  ipi number
  42  *
  43  * When used in combination with the arm_ipi_exit tracepoint
  44  * we can determine the ipi handler runtine.
  45  */
  46 DEFINE_EVENT(arm_ipi, arm_ipi_entry,
  47
  48         TP_PROTO(unsigned int ipi_nr),
  49
  50         TP_ARGS(ipi_nr)
  51 );
  52
  53 /**
  54  * arm_ipi_exit - called in the arm-generic ipi handler immediately
  55  *                after the ipi-type handler returns
  56  * @ipi_nr:  ipi number
  57  *
  58  * When used in combination with the arm_ipi_entry tracepoint
  59  * we can determine the ipi handler runtine.
  60  */
  61 DEFINE_EVENT(arm_ipi, arm_ipi_exit,
  62
  63         TP_PROTO(unsigned int ipi_nr),
  64
  65         TP_ARGS(ipi_nr)
  66 );
  67
  68 /**
  69  * arm_ipi_send - called as the ipi target mask is built, immediately
  70  *                before the register is written
  71  * @ipi_nr:  ipi number
  72  * @dest:    cpu to send to
  73  *
  74  * When used in combination with the arm_ipi_entry tracepoint
  75  * we can determine the ipi raise to run latency.
  76  */
  77 TRACE_EVENT(arm_ipi_send,
  78
  79         TP_PROTO(unsigned int ipi_nr, int dest),
  80
  81         TP_ARGS(ipi_nr, dest),
  82
  83         TP_STRUCT__entry(
  84                 __field(        unsigned int,   ipi     )
  85                 __field(        int                     ,       dest )
  86         ),
  87
  88         TP_fast_assign(
  89                 __entry->ipi = ipi_nr;
  90                 __entry->dest = dest;
  91         ),
  92
  93         TP_printk("dest=%d ipi=%u [action=%s]", __entry->dest,
  94                         __entry->ipi, show_arm_ipi_name(__entry->ipi))
  95 );
  96
  97 #endif /*  _TRACE_ARM_IPI_H */
  98
  99 /* This part must be outside protection */
 100 #include <trace/define_trace.h>