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-rw-r--r--drivers/hv/hv_trace_balloon.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/hv/hv_trace_balloon.h b/drivers/hv/hv_trace_balloon.h
new file mode 100644
index 000000000..93082888a
--- /dev/null
+++ b/drivers/hv/hv_trace_balloon.h
@@ -0,0 +1,48 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hyperv
+
+#if !defined(_HV_TRACE_BALLOON_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _HV_TRACE_BALLOON_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(balloon_status,
+ TP_PROTO(u64 available, u64 committed,
+ unsigned long vm_memory_committed,
+ unsigned long pages_ballooned,
+ unsigned long pages_added,
+ unsigned long pages_onlined),
+ TP_ARGS(available, committed, vm_memory_committed,
+ pages_ballooned, pages_added, pages_onlined),
+ TP_STRUCT__entry(
+ __field(u64, available)
+ __field(u64, committed)
+ __field(unsigned long, vm_memory_committed)
+ __field(unsigned long, pages_ballooned)
+ __field(unsigned long, pages_added)
+ __field(unsigned long, pages_onlined)
+ ),
+ TP_fast_assign(
+ __entry->available = available;
+ __entry->committed = committed;
+ __entry->vm_memory_committed = vm_memory_committed;
+ __entry->pages_ballooned = pages_ballooned;
+ __entry->pages_added = pages_added;
+ __entry->pages_onlined = pages_onlined;
+ ),
+ TP_printk("available %lld, committed %lld; vm_memory_committed %ld;"
+ " pages_ballooned %ld, pages_added %ld, pages_onlined %ld",
+ __entry->available, __entry->committed,
+ __entry->vm_memory_committed, __entry->pages_ballooned,
+ __entry->pages_added, __entry->pages_onlined
+ )
+ );
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE hv_trace_balloon
+#endif /* _HV_TRACE_BALLOON_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>