Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / trace / events / filemap.h

diff --git a/kernel/include/trace/events/filemap.h b/kernel/include/trace/events/filemap.h
new file mode 100644 (file)
index 0000000..42febb6
--- /dev/null
+++ b/kernel/include/trace/events/filemap.h
@@ -0,0 +1,58 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM filemap
+
+#if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_FILEMAP_H
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+#include <linux/mm.h>
+#include <linux/memcontrol.h>
+#include <linux/device.h>
+#include <linux/kdev_t.h>
+
+DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
+
+       TP_PROTO(struct page *page),
+
+       TP_ARGS(page),
+
+       TP_STRUCT__entry(
+               __field(unsigned long, pfn)
+               __field(unsigned long, i_ino)
+               __field(unsigned long, index)
+               __field(dev_t, s_dev)
+       ),
+
+       TP_fast_assign(
+               __entry->pfn = page_to_pfn(page);
+               __entry->i_ino = page->mapping->host->i_ino;
+               __entry->index = page->index;
+               if (page->mapping->host->i_sb)
+                       __entry->s_dev = page->mapping->host->i_sb->s_dev;
+               else
+                       __entry->s_dev = page->mapping->host->i_rdev;
+       ),
+
+       TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu",
+               MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
+               __entry->i_ino,
+               pfn_to_page(__entry->pfn),
+               __entry->pfn,
+               __entry->index << PAGE_SHIFT)
+);
+
+DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,
+       TP_PROTO(struct page *page),
+       TP_ARGS(page)
+       );
+
+DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,
+       TP_PROTO(struct page *page),
+       TP_ARGS(page)
+       );
+
+#endif /* _TRACE_FILEMAP_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>