#undef TRACE_SYSTEM #define TRACE_SYSTEM irq_vectors #if !defined(_TRACE_IRQ_VECTORS_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_IRQ_VECTORS_H #include <linux/tracepoint.h> extern void trace_irq_vector_regfunc(void); extern void trace_irq_vector_unregfunc(void); DECLARE_EVENT_CLASS(x86_irq_vector, TP_PROTO(int vector), TP_ARGS(vector), TP_STRUCT__entry( __field( int, vector ) ), TP_fast_assign( __entry->vector = vector; ), TP_printk("vector=%d", __entry->vector) ); #define DEFINE_IRQ_VECTOR_EVENT(name) \ DEFINE_EVENT_FN(x86_irq_vector, name##_entry, \ TP_PROTO(int vector), \ TP_ARGS(vector), \ trace_irq_vector_regfunc, \ trace_irq_vector_unregfunc); \ DEFINE_EVENT_FN(x86_irq_vector, name##_exit, \ TP_PROTO(int vector), \ TP_ARGS(vector), \ trace_irq_vector_regfunc, \ trace_irq_vector_unregfunc); /* * local_timer - called when entering/exiting a local timer interrupt * vector handler */ DEFINE_IRQ_VECTOR_EVENT(local_timer); /* * reschedule - called when entering/exiting a reschedule vector handler */ DEFINE_IRQ_VECTOR_EVENT(reschedule); /* * spurious_apic - called when entering/exiting a spurious apic vector handler */ DEFINE_IRQ_VECTOR_EVENT(spurious_apic); /* * error_apic - called when entering/exiting an error apic vector handler */ DEFINE_IRQ_VECTOR_EVENT(error_apic); /* * x86_platform_ipi - called when entering/exiting a x86 platform ipi interrupt * vector handler */ DEFINE_IRQ_VECTOR_EVENT(x86_platform_ipi); /* * irq_work - called when entering/exiting a irq work interrupt * vector handler */ DEFINE_IRQ_VECTOR_EVENT(irq_work); /* * We must dis-allow sampling irq_work_exit() because perf event sampling * itself can cause irq_work, which would lead to an infinite loop; * * 1) irq_work_exit happens * 2) generates perf sample * 3) generates irq_work * 4) goto 1 */ TRACE_EVENT_PERF_PERM(irq_work_exit, is_sampling_event(p_event) ? -EPERM : 0); /* * call_function - called when entering/exiting a call function interrupt * vector handler */ DEFINE_IRQ_VECTOR_EVENT(call_function); /* * call_function_single - called when entering/exiting a call function * single interrupt vector handler */ DEFINE_IRQ_VECTOR_EVENT(call_function_single); /* * threshold_apic - called when entering/exiting a threshold apic interrupt * vector handler */ DEFINE_IRQ_VECTOR_EVENT(threshold_apic); /* * thermal_apic - called when entering/exiting a thermal apic interrupt * vector handler */ DEFINE_IRQ_VECTOR_EVENT(thermal_apic); #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #define TRACE_INCLUDE_FILE irq_vectors #endif /* _TRACE_IRQ_VECTORS_H */ /* This part must be outside protection */ #include <trace/define_trace.h>