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
  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(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
  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 #else
  44 #define trace_irq_enable(...)
  45 #define trace_irq_disable(...)
  46 #endif
  47
  48 #ifdef CONFIG_TRACE_PREEMPT_TOGGLE
  49 DEFINE_EVENT(preemptirq_template, preempt_disable,
  50              TP_PROTO(unsigned long ip, unsigned long parent_ip),
  51              TP_ARGS(ip, parent_ip));
  52
  53 DEFINE_EVENT(preemptirq_template, preempt_enable,
  54              TP_PROTO(unsigned long ip, unsigned long parent_ip),
  55              TP_ARGS(ip, parent_ip));
  56 #else
  57 #define trace_preempt_enable(...)
  58 #define trace_preempt_disable(...)
  59 #endif
  60
  61 #endif /* _TRACE_PREEMPTIRQ_H */
  62
  63 #include <trace/define_trace.h>
  64
  65 #else /* !CONFIG_PREEMPTIRQ_TRACEPOINTS */
  66 #define trace_irq_enable(...)
  67 #define trace_irq_disable(...)
  68 #define trace_preempt_enable(...)
  69 #define trace_preempt_disable(...)
  70 #endif