LXR linux/include/trace/events/preemptirq.h

   1#ifdef CONFIG_PREEMPTIRQ_TRACEPOINTS
   2
   3#undef TRACE_SYSTEM
   4#define TRACE_SYSTEM preemptirq
   5
   6#if !defined(_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ)
   7#define _TRACE_PREEMPTIRQ_H
   8
   9#include <linux/ktime.h>
  10#include <linux/tracepoint.h>
  11#include <linux/string.h>
  12#include <asm/sections.h>
  13
  14DECLARE_EVENT_CLASS(preemptirq_template,
  15
  16        TP_PROTO(unsigned long ip, unsigned long parent_ip),
  17
  18        TP_ARGS(ip, parent_ip),
  19
  20        TP_STRUCT__entry(
  21                __field(s32, caller_offs)
  22                __field(s32, parent_offs)
  23        ),
  24
  25        TP_fast_assign(
  26                __entry->caller_offs = (s32)(ip - (unsigned long)_stext);
  27                __entry->parent_offs = (s32)(parent_ip - (unsigned long)_stext);
  28        ),
  29
  30        TP_printk("caller=%pS parent=%pS",
  31                  (void *)((unsigned long)(_stext) + __entry->caller_offs),
  32                  (void *)((unsigned long)(_stext) + __entry->parent_offs))
  33);
  34
  35#ifdef CONFIG_TRACE_IRQFLAGS
  36DEFINE_EVENT(preemptirq_template, irq_disable,
  37             TP_PROTO(unsigned long ip, unsigned long parent_ip),
  38             TP_ARGS(ip, parent_ip));
  39
  40DEFINE_EVENT(preemptirq_template, irq_enable,
  41             TP_PROTO(unsigned long ip, unsigned long parent_ip),
  42             TP_ARGS(ip, parent_ip));
  43#else
  44#define trace_irq_enable(...)
  45#define trace_irq_disable(...)
  46#define trace_irq_enable_rcuidle(...)
  47#define trace_irq_disable_rcuidle(...)
  48#endif
  49
  50#ifdef CONFIG_TRACE_PREEMPT_TOGGLE
  51DEFINE_EVENT(preemptirq_template, preempt_disable,
  52             TP_PROTO(unsigned long ip, unsigned long parent_ip),
  53             TP_ARGS(ip, parent_ip));
  54
  55DEFINE_EVENT(preemptirq_template, preempt_enable,
  56             TP_PROTO(unsigned long ip, unsigned long parent_ip),
  57             TP_ARGS(ip, parent_ip));
  58#else
  59#define trace_preempt_enable(...)
  60#define trace_preempt_disable(...)
  61#define trace_preempt_enable_rcuidle(...)
  62#define trace_preempt_disable_rcuidle(...)
  63#endif
  64
  65#endif /* _TRACE_PREEMPTIRQ_H */
  66
  67#include <trace/define_trace.h>
  68
  69#else /* !CONFIG_PREEMPTIRQ_TRACEPOINTS */
  70#define trace_irq_enable(...)
  71#define trace_irq_disable(...)
  72#define trace_irq_enable_rcuidle(...)
  73#define trace_irq_disable_rcuidle(...)
  74#define trace_preempt_enable(...)
  75#define trace_preempt_disable(...)
  76#define trace_preempt_enable_rcuidle(...)
  77#define trace_preempt_disable_rcuidle(...)
  78#endif
  79