X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Firq.h;h=3b3a8ce75fa13489c15deb59cb609363eab5eb37;hb=07dfc1d0e4b093ad02682499a702dc11e54e8302;hp=344015d4654a471bb2d187fade10bca30dba1f8d;hpb=5b88d86e2d45fed6d405fd9fb72d6c1c22d35374;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/irq.h b/instrumentation/events/lttng-module/irq.h index 344015d4..3b3a8ce7 100644 --- a/instrumentation/events/lttng-module/irq.h +++ b/instrumentation/events/lttng-module/irq.h @@ -1,10 +1,10 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM irq -#if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_IRQ_H +#if !defined(LTTNG_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ) +#define LTTNG_TRACE_IRQ_H -#include +#include "../../../probes/lttng-tracepoint-event.h" #ifndef _TRACE_IRQ_DEF_ #define _TRACE_IRQ_DEF_ @@ -39,7 +39,7 @@ struct softirq_action; * conjunction with the irq_handler_exit tracepoint, we can figure * out irq handler latencies. */ -TRACE_EVENT(irq_handler_entry, +LTTNG_TRACEPOINT_EVENT(irq_handler_entry, TP_PROTO(int irq, struct irqaction *action), @@ -69,7 +69,7 @@ TRACE_EVENT(irq_handler_entry, * a shared irq line, or the irq was not handled successfully. Can be used in * conjunction with the irq_handler_entry to understand irq handler latencies. */ -TRACE_EVENT(irq_handler_exit, +LTTNG_TRACEPOINT_EVENT(irq_handler_exit, TP_PROTO(int irq, struct irqaction *action, int ret), @@ -89,7 +89,8 @@ TRACE_EVENT(irq_handler_exit, __entry->irq, __entry->ret ? "handled" : "unhandled") ) -DECLARE_EVENT_CLASS(softirq, +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) +LTTNG_TRACEPOINT_EVENT_CLASS(irq_softirq, TP_PROTO(unsigned int vec_nr), @@ -114,7 +115,9 @@ DECLARE_EVENT_CLASS(softirq, * When used in combination with the softirq_exit tracepoint * we can determine the softirq handler runtine. */ -DEFINE_EVENT(softirq, softirq_entry, +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_entry, + + irq_softirq_entry, TP_PROTO(unsigned int vec_nr), @@ -128,7 +131,9 @@ DEFINE_EVENT(softirq, softirq_entry, * When used in combination with the softirq_entry tracepoint * we can determine the softirq handler runtine. */ -DEFINE_EVENT(softirq, softirq_exit, +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_exit, + + irq_softirq_exit, TP_PROTO(unsigned int vec_nr), @@ -142,14 +147,86 @@ DEFINE_EVENT(softirq, softirq_exit, * When used in combination with the softirq_entry tracepoint * we can determine the softirq raise to run latency. */ -DEFINE_EVENT(softirq, softirq_raise, +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_raise, + + irq_softirq_raise, TP_PROTO(unsigned int vec_nr), TP_ARGS(vec_nr) ) +#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) */ +LTTNG_TRACEPOINT_EVENT_CLASS(irq_softirq, + + TP_PROTO(struct softirq_action *h, struct softirq_action *vec), + + TP_ARGS(h, vec), + + TP_STRUCT__entry( + __field( unsigned int, vec ) + ), + + TP_fast_assign( + tp_assign(vec, (int)(h - vec)) + ), + + TP_printk("vec=%u [action=%s]", __entry->vec, + show_softirq_name(__entry->vec)) +) + +/** + * softirq_entry - called immediately before the softirq handler + * @h: pointer to struct softirq_action + * @vec: pointer to first struct softirq_action in softirq_vec array + * + * When used in combination with the softirq_exit tracepoint + * we can determine the softirq handler runtine. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_entry, + + irq_softirq_entry, + + TP_PROTO(struct softirq_action *h, struct softirq_action *vec), + + TP_ARGS(h, vec) +) + +/** + * softirq_exit - called immediately after the softirq handler returns + * @h: pointer to struct softirq_action + * @vec: pointer to first struct softirq_action in softirq_vec array + * + * When used in combination with the softirq_entry tracepoint + * we can determine the softirq handler runtine. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_exit, + + irq_softirq_exit, + + TP_PROTO(struct softirq_action *h, struct softirq_action *vec), + + TP_ARGS(h, vec) +) + +/** + * softirq_raise - called immediately when a softirq is raised + * @h: pointer to struct softirq_action + * @vec: pointer to first struct softirq_action in softirq_vec array + * + * When used in combination with the softirq_entry tracepoint + * we can determine the softirq raise to run latency. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_raise, + + irq_softirq_raise, + + TP_PROTO(struct softirq_action *h, struct softirq_action *vec), + + TP_ARGS(h, vec) +) +#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) */ -#endif /* _TRACE_IRQ_H */ +#endif /* LTTNG_TRACE_IRQ_H */ /* This part must be outside protection */ #include "../../../probes/define_trace.h"