diff --git a/include/trace/events/vmalloc.h b/include/trace/events/vmalloc.h index afeb8003a0f2..ad4e02191f35 100644 --- a/include/trace/events/vmalloc.h +++ b/include/trace/events/vmalloc.h @@ -83,6 +83,40 @@ TRACE_EVENT(purge_vmap_area_lazy, __entry->start, __entry->end, __entry->npurged) ); +/** + * free_vmap_area_noflush - called when a vmap area is freed + * @va_start: a start address of VA + * @nr_lazy: number of current lazy pages + * @nr_lazy_max: number of maximum lazy pages + * + * This event is used for a debug purpose. It gives some + * indication about a VA that is released, number of current + * outstanding areas and a maximum allowed threshold before + * dropping all of them. + */ +TRACE_EVENT(free_vmap_area_noflush, + + TP_PROTO(unsigned long va_start, unsigned long nr_lazy, + unsigned long nr_lazy_max), + + TP_ARGS(va_start, nr_lazy, nr_lazy_max), + + TP_STRUCT__entry( + __field(unsigned long, va_start) + __field(unsigned long, nr_lazy) + __field(unsigned long, nr_lazy_max) + ), + + TP_fast_assign( + __entry->va_start = va_start; + __entry->nr_lazy = nr_lazy; + __entry->nr_lazy_max = nr_lazy_max; + ), + + TP_printk("va_start=0x%lx nr_lazy=%lu nr_lazy_max=%lu", + __entry->va_start, __entry->nr_lazy, __entry->nr_lazy_max) +); + #endif /* _TRACE_VMALLOC_H */ /* This part must be outside protection */