gpu: ion: Add Tracepoints to iommu/system heap
Add trace events to kmem.h and set up trace points in ion/system
heap to keep track of information pertaining to page allocations.
Change-Id: I35c0bd1c0c2032dba6ea80b060b05bdb847d58ad
Signed-off-by: Adrian Alexei <aalexei@codeaurora.org>
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index a1da44f..e76e822 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -495,6 +495,70 @@
TP_ARGS(mode)
);
+DECLARE_EVENT_CLASS(ion_alloc_pages,
+
+ TP_PROTO(gfp_t gfp_flags,
+ unsigned int order),
+
+ TP_ARGS(gfp_flags, order),
+
+ TP_STRUCT__entry(
+ __field(gfp_t, gfp_flags)
+ __field(unsigned int, order)
+ ),
+
+ TP_fast_assign(
+ __entry->gfp_flags = gfp_flags;
+ __entry->order = order;
+ ),
+
+ TP_printk("gfp_flags=%s order=%d",
+ show_gfp_flags(__entry->gfp_flags),
+ __entry->order)
+ );
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_iommu_start,
+ TP_PROTO(gfp_t gfp_flags,
+ unsigned int order),
+
+ TP_ARGS(gfp_flags, order)
+ );
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_iommu_end,
+ TP_PROTO(gfp_t gfp_flags,
+ unsigned int order),
+
+ TP_ARGS(gfp_flags, order)
+ );
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_iommu_fail,
+ TP_PROTO(gfp_t gfp_flags,
+ unsigned int order),
+
+ TP_ARGS(gfp_flags, order)
+ );
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_sys_start,
+ TP_PROTO(gfp_t gfp_flags,
+ unsigned int order),
+
+ TP_ARGS(gfp_flags, order)
+ );
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_sys_end,
+ TP_PROTO(gfp_t gfp_flags,
+ unsigned int order),
+
+ TP_ARGS(gfp_flags, order)
+ );
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_sys_fail,
+ TP_PROTO(gfp_t gfp_flags,
+ unsigned int order),
+
+ TP_ARGS(gfp_flags, order)
+ );
+
#endif /* _TRACE_KMEM_H */
/* This part must be outside protection */