diff options
Diffstat (limited to '')
-rw-r--r-- | include/trace/events/preemptirq.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/trace/events/preemptirq.h b/include/trace/events/preemptirq.h new file mode 100644 index 000000000..3f249e150 --- /dev/null +++ b/include/trace/events/preemptirq.h @@ -0,0 +1,78 @@ +#ifdef CONFIG_PREEMPTIRQ_TRACEPOINTS + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM preemptirq + +#if !defined(_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_PREEMPTIRQ_H + +#include <linux/ktime.h> +#include <linux/tracepoint.h> +#include <linux/string.h> +#include <asm/sections.h> + +DECLARE_EVENT_CLASS(preemptirq_template, + + TP_PROTO(unsigned long ip, unsigned long parent_ip), + + TP_ARGS(ip, parent_ip), + + TP_STRUCT__entry( + __field(s32, caller_offs) + __field(s32, parent_offs) + ), + + TP_fast_assign( + __entry->caller_offs = (s32)(ip - (unsigned long)_stext); + __entry->parent_offs = (s32)(parent_ip - (unsigned long)_stext); + ), + + TP_printk("caller=%pS parent=%pS", + (void *)((unsigned long)(_stext) + __entry->caller_offs), + (void *)((unsigned long)(_stext) + __entry->parent_offs)) +); + +#ifdef CONFIG_TRACE_IRQFLAGS +DEFINE_EVENT(preemptirq_template, irq_disable, + TP_PROTO(unsigned long ip, unsigned long parent_ip), + TP_ARGS(ip, parent_ip)); + +DEFINE_EVENT(preemptirq_template, irq_enable, + TP_PROTO(unsigned long ip, unsigned long parent_ip), + TP_ARGS(ip, parent_ip)); +#else +#define trace_irq_enable(...) +#define trace_irq_disable(...) +#define trace_irq_enable_rcuidle(...) +#define trace_irq_disable_rcuidle(...) +#endif + +#ifdef CONFIG_TRACE_PREEMPT_TOGGLE +DEFINE_EVENT(preemptirq_template, preempt_disable, + TP_PROTO(unsigned long ip, unsigned long parent_ip), + TP_ARGS(ip, parent_ip)); + +DEFINE_EVENT(preemptirq_template, preempt_enable, + TP_PROTO(unsigned long ip, unsigned long parent_ip), + TP_ARGS(ip, parent_ip)); +#else +#define trace_preempt_enable(...) +#define trace_preempt_disable(...) +#define trace_preempt_enable_rcuidle(...) +#define trace_preempt_disable_rcuidle(...) +#endif + +#endif /* _TRACE_PREEMPTIRQ_H */ + +#include <trace/define_trace.h> + +#else /* !CONFIG_PREEMPTIRQ_TRACEPOINTS */ +#define trace_irq_enable(...) +#define trace_irq_disable(...) +#define trace_irq_enable_rcuidle(...) +#define trace_irq_disable_rcuidle(...) +#define trace_preempt_enable(...) +#define trace_preempt_disable(...) +#define trace_preempt_enable_rcuidle(...) +#define trace_preempt_disable_rcuidle(...) +#endif |