Add page frame number (pfn) to kmem page events

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/instrumentation/events/lttng-module/kmem.h b/instrumentation/events/lttng-module/kmem.h
index 85d13b9e662ec947bfcee568e419f55b3851da89..25e58cbdd0306eed786a1f467ba79db30e0ff2a1 100644 (file)
--- a/instrumentation/events/lttng-module/kmem.h
+++ b/instrumentation/events/lttng-module/kmem.h
@@ -130,6 +130,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_direct, kmem_mm_page_free_direct,
 
        TP_FIELDS(
                ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
                ctf_integer(unsigned int, order, order)
        )
 )
@@ -146,6 +147,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_pagevec_free, kmem_pagevec_free,
 
        TP_FIELDS(
                ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
                ctf_integer(int, cold, cold)
        )
 )
@@ -159,6 +161,8 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc, kmem_mm_page_alloc,
 
        TP_FIELDS(
                ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn,
+                       page ? page_to_pfn(page) : -1UL)
                ctf_integer(unsigned int, order, order)
                ctf_integer(gfp_t, gfp_flags, gfp_flags)
                ctf_integer(int, migratetype, migratetype)
@@ -173,6 +177,8 @@ LTTNG_TRACEPOINT_EVENT_CLASS(kmem_mm_page,
 
        TP_FIELDS(
                ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn,
+                       page ? page_to_pfn(page) : -1UL)
                ctf_integer(unsigned int, order, order)
                ctf_integer(int, migratetype, migratetype)
        )
@@ -221,6 +227,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
 
        TP_FIELDS(
                ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
                ctf_integer(int, alloc_order, alloc_order)
                ctf_integer(int, fallback_order, fallback_order)
                ctf_integer(int, alloc_migratetype, alloc_migratetype)
@@ -246,6 +253,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
 
        TP_FIELDS(
                ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
                ctf_integer(int, alloc_order, alloc_order)
                ctf_integer(int, fallback_order, fallback_order)
                ctf_integer(int, alloc_migratetype, alloc_migratetype)
@@ -272,6 +280,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
 
        TP_FIELDS(
                ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
                ctf_integer(int, alloc_order, alloc_order)
                ctf_integer(int, fallback_order, fallback_order)
                ctf_integer(int, alloc_migratetype, alloc_migratetype)
@@ -296,6 +305,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
 
        TP_FIELDS(
                ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
                ctf_integer(int, alloc_order, alloc_order)
                ctf_integer(int, fallback_order, fallback_order)
                ctf_integer(int, alloc_migratetype, alloc_migratetype)