include/trace/events/preemptirq.h

   1 #ifdef CONFIG_PREEMPTIRQ_EVENTS
   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
  14 DECLARE_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(u32, caller_offs)
  22                 __field(u32, parent_offs)
  23         ),
  24
  25         TP_fast_assign(
  26                 __entry->caller_offs = (u32)(ip - (unsigned long)_stext);
  27                 __entry->parent_offs = (u32)(parent_ip - (unsigned long)_stext);
  28         ),
  29
  30         TP_printk("caller=%pF parent=%pF",
  31                   (void *)((unsigned long)(_stext) + __entry->caller_offs),
  32                   (void *)((unsigned long)(_stext) + __entry->parent_offs))
  33 );
  34
  35 #ifndef CONFIG_PROVE_LOCKING
  36 DEFINE_EVENT(preemptirq_template, irq_disable,
  37              TP_PROTO(unsigned long ip, unsigned long parent_ip),
  38              TP_ARGS(ip, parent_ip));
  39
  40 DEFINE_EVENT(preemptirq_template, irq_enable,
  41              TP_PROTO(unsigned long ip, unsigned long parent_ip),
  42              TP_ARGS(ip, parent_ip));
  43 #endif
  44
  45 #ifdef CONFIG_DEBUG_PREEMPT
  46 DEFINE_EVENT(preemptirq_template, preempt_disable,
  47              TP_PROTO(unsigned long ip, unsigned long parent_ip),
  48              TP_ARGS(ip, parent_ip));
  49
  50 DEFINE_EVENT(preemptirq_template, preempt_enable,
  51              TP_PROTO(unsigned long ip, unsigned long parent_ip),
  52              TP_ARGS(ip, parent_ip));
  53 #endif
  54
  55 #endif /* _TRACE_PREEMPTIRQ_H */
  56
  57 #include <trace/define_trace.h>
  58
  59 #endif /* !CONFIG_PREEMPTIRQ_EVENTS */
  60
  61 #if !defined(CONFIG_PREEMPTIRQ_EVENTS) || defined(CONFIG_PROVE_LOCKING)
  62 #define trace_irq_enable(...)
  63 #define trace_irq_disable(...)
  64 #define trace_irq_enable_rcuidle(...)
  65 #define trace_irq_disable_rcuidle(...)
  66 #endif
  67
  68 #if !defined(CONFIG_PREEMPTIRQ_EVENTS) || !defined(CONFIG_DEBUG_PREEMPT)
  69 #define trace_preempt_enable(...)
  70 #define trace_preempt_disable(...)
  71 #define trace_preempt_enable_rcuidle(...)
  72 #define trace_preempt_disable_rcuidle(...)
  73 #endif