Drop support for kernels < 3.0 from kmem instrumentation
[lttng-modules.git] / instrumentation / events / lttng-module / kmem.h
index cde2a20fdf945bbf83a70977b29b44c16096b900..2313ae812a80b6f3e16b5b819e734e160c5f9d92 100644 (file)
@@ -1,15 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kmem
 
 #if !defined(LTTNG_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define LTTNG_TRACE_KMEM_H
 
-#include "../../../probes/lttng-tracepoint-event.h"
+#include <probes/lttng-tracepoint-event.h>
 #include <linux/types.h>
 #include <linux/version.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
-#include <trace/events/gfpflags.h>
-#endif
 
 LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc,
 
@@ -21,28 +19,13 @@ LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc,
 
        TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
 
-       TP_STRUCT__entry(
-               __field_hex(    unsigned long,  call_site       )
-               __field_hex(    const void *,   ptr             )
-               __field(        size_t,         bytes_req       )
-               __field(        size_t,         bytes_alloc     )
-               __field(        gfp_t,          gfp_flags       )
-       ),
-
-       TP_fast_assign(
-               tp_assign(call_site, call_site)
-               tp_assign(ptr, ptr)
-               tp_assign(bytes_req, bytes_req)
-               tp_assign(bytes_alloc, bytes_alloc)
-               tp_assign(gfp_flags, gfp_flags)
-       ),
-
-       TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
-               __entry->call_site,
-               __entry->ptr,
-               __entry->bytes_req,
-               __entry->bytes_alloc,
-               show_gfp_flags(__entry->gfp_flags))
+       TP_FIELDS(
+               ctf_integer_hex(unsigned long, call_site, call_site)
+               ctf_integer_hex(const void *, ptr, ptr)
+               ctf_integer(size_t, bytes_req, bytes_req)
+               ctf_integer(size_t, bytes_alloc, bytes_alloc)
+               ctf_integer(gfp_t, gfp_flags, gfp_flags)
+       )
 )
 
 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc, kmalloc,
@@ -74,31 +57,14 @@ LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc_node,
 
        TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
 
-       TP_STRUCT__entry(
-               __field_hex(    unsigned long,  call_site       )
-               __field_hex(    const void *,   ptr             )
-               __field(        size_t,         bytes_req       )
-               __field(        size_t,         bytes_alloc     )
-               __field(        gfp_t,          gfp_flags       )
-               __field(        int,            node            )
-       ),
-
-       TP_fast_assign(
-               tp_assign(call_site, call_site)
-               tp_assign(ptr, ptr)
-               tp_assign(bytes_req, bytes_req)
-               tp_assign(bytes_alloc, bytes_alloc)
-               tp_assign(gfp_flags, gfp_flags)
-               tp_assign(node, node)
-       ),
-
-       TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
-               __entry->call_site,
-               __entry->ptr,
-               __entry->bytes_req,
-               __entry->bytes_alloc,
-               show_gfp_flags(__entry->gfp_flags),
-               __entry->node)
+       TP_FIELDS(
+               ctf_integer_hex(unsigned long, call_site, call_site)
+               ctf_integer_hex(const void *, ptr, ptr)
+               ctf_integer(size_t, bytes_req, bytes_req)
+               ctf_integer(size_t, bytes_alloc, bytes_alloc)
+               ctf_integer(gfp_t, gfp_flags, gfp_flags)
+               ctf_integer(int, node, node)
+       )
 )
 
 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc_node, kmalloc_node,
@@ -127,17 +93,10 @@ LTTNG_TRACEPOINT_EVENT_CLASS(kmem_free,
 
        TP_ARGS(call_site, ptr),
 
-       TP_STRUCT__entry(
-               __field_hex(    unsigned long,  call_site       )
-               __field_hex(    const void *,   ptr             )
-       ),
-
-       TP_fast_assign(
-               tp_assign(call_site, call_site)
-               tp_assign(ptr, ptr)
-       ),
-
-       TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
+       TP_FIELDS(
+               ctf_integer_hex(unsigned long, call_site, call_site)
+               ctf_integer_hex(const void *, ptr, ptr)
+       )
 )
 
 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_free, kfree,
@@ -156,139 +115,150 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_free, kmem_cache_free,
        TP_ARGS(call_site, ptr)
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
-LTTNG_TRACEPOINT_EVENT(mm_page_free,
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free, kmem_mm_page_free,
 #else
-LTTNG_TRACEPOINT_EVENT(mm_page_free_direct,
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_direct, kmem_mm_page_free_direct,
 #endif
 
        TP_PROTO(struct page *page, unsigned int order),
 
        TP_ARGS(page, order),
 
-       TP_STRUCT__entry(
-               __field_hex(    struct page *,  page            )
-               __field(        unsigned int,   order           )
-       ),
+       TP_FIELDS(
+               ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
+               ctf_integer(unsigned int, order, order)
+       )
+)
 
-       TP_fast_assign(
-               tp_assign(page, page)
-               tp_assign(order, order)
-       ),
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
 
-       TP_printk("page=%p pfn=%lu order=%d",
-                       __entry->page,
-                       page_to_pfn(__entry->page),
-                       __entry->order)
-)
+       TP_PROTO(struct page *page),
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
-LTTNG_TRACEPOINT_EVENT(mm_page_free_batched,
-#else
-LTTNG_TRACEPOINT_EVENT(mm_pagevec_free,
-#endif
+       TP_ARGS(page),
+
+       TP_FIELDS(
+               ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
+       )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
 
        TP_PROTO(struct page *page, int cold),
 
        TP_ARGS(page, cold),
 
-       TP_STRUCT__entry(
-               __field_hex(    struct page *,  page            )
-               __field(        int,            cold            )
-       ),
+       TP_FIELDS(
+               ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
+               ctf_integer(int, cold, cold)
+       )
+)
+#else
+LTTNG_TRACEPOINT_EVENT_MAP(mm_pagevec_free, kmem_pagevec_free,
 
-       TP_fast_assign(
-               tp_assign(page, page)
-               tp_assign(cold, cold)
-       ),
+       TP_PROTO(struct page *page, int cold),
+
+       TP_ARGS(page, cold),
 
-       TP_printk("page=%p pfn=%lu order=0 cold=%d",
-                       __entry->page,
-                       page_to_pfn(__entry->page),
-                       __entry->cold)
+       TP_FIELDS(
+               ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
+               ctf_integer(int, cold, cold)
+       )
 )
+#endif
 
-LTTNG_TRACEPOINT_EVENT(mm_page_alloc,
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc, kmem_mm_page_alloc,
 
        TP_PROTO(struct page *page, unsigned int order,
                        gfp_t gfp_flags, int migratetype),
 
        TP_ARGS(page, order, gfp_flags, migratetype),
 
-       TP_STRUCT__entry(
-               __field_hex(    struct page *,  page            )
-               __field(        unsigned int,   order           )
-               __field(        gfp_t,          gfp_flags       )
-               __field(        int,            migratetype     )
-       ),
-
-       TP_fast_assign(
-               tp_assign(page, page)
-               tp_assign(order, order)
-               tp_assign(gfp_flags, gfp_flags)
-               tp_assign(migratetype, migratetype)
-       ),
-
-       TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
-               __entry->page,
-               __entry->page ? page_to_pfn(__entry->page) : 0,
-               __entry->order,
-               __entry->migratetype,
-               show_gfp_flags(__entry->gfp_flags))
+       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)
+       )
 )
 
-LTTNG_TRACEPOINT_EVENT_CLASS(mm_page,
+LTTNG_TRACEPOINT_EVENT_CLASS(kmem_mm_page,
 
        TP_PROTO(struct page *page, unsigned int order, int migratetype),
 
        TP_ARGS(page, order, migratetype),
 
-       TP_STRUCT__entry(
-               __field_hex(    struct page *,  page            )
-               __field(        unsigned int,   order           )
-               __field(        int,            migratetype     )
-       ),
-
-       TP_fast_assign(
-               tp_assign(page, page)
-               tp_assign(order, order)
-               tp_assign(migratetype, migratetype)
-       ),
-
-       TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
-               __entry->page,
-               __entry->page ? page_to_pfn(__entry->page) : 0,
-               __entry->order,
-               __entry->migratetype,
-               __entry->order == 0)
+       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)
+       )
 )
 
-LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_page, mm_page_alloc_zone_locked,
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_alloc_zone_locked,
+
+       kmem_mm_page_alloc_zone_locked,
 
        TP_PROTO(struct page *page, unsigned int order, int migratetype),
 
        TP_ARGS(page, order, migratetype)
 )
 
-LTTNG_TRACEPOINT_EVENT_INSTANCE_PRINT(mm_page, mm_page_pcpu_drain,
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_pcpu_drain,
+
+       kmem_mm_page_pcpu_drain,
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
        TP_PROTO(struct page *page, unsigned int order, int migratetype),
-#else
-       TP_PROTO(struct page *page, int order, int migratetype),
-#endif
 
-       TP_ARGS(page, order, migratetype),
+       TP_ARGS(page, order, migratetype)
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,2)      \
+       || LTTNG_KERNEL_RANGE(3,14,36, 3,15,0)          \
+       || LTTNG_KERNEL_RANGE(3,16,35, 3,17,0)          \
+       || LTTNG_KERNEL_RANGE(3,18,10, 3,19,0)          \
+       || LTTNG_DEBIAN_KERNEL_RANGE(3,16,7,9,0,0, 3,17,0,0,0,0)        \
+       || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,50, 3,14,0,0)      \
+       || LTTNG_UBUNTU_KERNEL_RANGE(3,16,7,34, 3,17,0,0))
+
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
+
+       kmem_mm_page_alloc_extfrag,
+
+       TP_PROTO(struct page *page,
+               int alloc_order, int fallback_order,
+               int alloc_migratetype, int fallback_migratetype),
 
-       TP_printk("page=%p pfn=%lu order=%d migratetype=%d",
-               __entry->page, page_to_pfn(__entry->page),
-               __entry->order, __entry->migratetype)
+       TP_ARGS(page,
+               alloc_order, fallback_order,
+               alloc_migratetype, fallback_migratetype),
+
+       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)
+               ctf_integer(int, fallback_migratetype, fallback_migratetype)
+               ctf_integer(int, change_ownership,
+                       (alloc_migratetype == get_pageblock_migratetype(page)))
+       )
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,30))
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,30))
+
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
 
-LTTNG_TRACEPOINT_EVENT(mm_page_alloc_extfrag,
+       kmem_mm_page_alloc_extfrag,
 
        TP_PROTO(struct page *page,
                int alloc_order, int fallback_order,
@@ -298,39 +268,22 @@ LTTNG_TRACEPOINT_EVENT(mm_page_alloc_extfrag,
                alloc_order, fallback_order,
                alloc_migratetype, fallback_migratetype, new_migratetype),
 
-       TP_STRUCT__entry(
-               __field_hex(    struct page *,  page                    )
-               __field(        int,            alloc_order             )
-               __field(        int,            fallback_order          )
-               __field(        int,            alloc_migratetype       )
-               __field(        int,            fallback_migratetype    )
-               __field(        int,            change_ownership        )
-       ),
-
-       TP_fast_assign(
-               tp_assign(page, page)
-               tp_assign(alloc_order, alloc_order)
-               tp_assign(fallback_order, fallback_order)
-               tp_assign(alloc_migratetype, alloc_migratetype)
-               tp_assign(fallback_migratetype, fallback_migratetype)
-               tp_assign(change_ownership, (new_migratetype == alloc_migratetype))
-       ),
-
-       TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
-               __entry->page,
-               page_to_pfn(__entry->page),
-               __entry->alloc_order,
-               __entry->fallback_order,
-               pageblock_order,
-               __entry->alloc_migratetype,
-               __entry->fallback_migratetype,
-               __entry->fallback_order < pageblock_order,
-               __entry->change_ownership)
+       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)
+               ctf_integer(int, fallback_migratetype, fallback_migratetype)
+               ctf_integer(int, change_ownership, (new_migratetype == alloc_migratetype))
+       )
 )
 
 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
 
-LTTNG_TRACEPOINT_EVENT(mm_page_alloc_extfrag,
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
+
+       kmem_mm_page_alloc_extfrag,
 
        TP_PROTO(struct page *page,
                        int alloc_order, int fallback_order,
@@ -342,39 +295,22 @@ LTTNG_TRACEPOINT_EVENT(mm_page_alloc_extfrag,
                alloc_migratetype, fallback_migratetype,
                change_ownership),
 
-       TP_STRUCT__entry(
-               __field_hex(    struct page *,  page                    )
-               __field(        int,            alloc_order             )
-               __field(        int,            fallback_order          )
-               __field(        int,            alloc_migratetype       )
-               __field(        int,            fallback_migratetype    )
-               __field(        int,            change_ownership        )
-       ),
-
-       TP_fast_assign(
-               tp_assign(page, page)
-               tp_assign(alloc_order, alloc_order)
-               tp_assign(fallback_order, fallback_order)
-               tp_assign(alloc_migratetype, alloc_migratetype)
-               tp_assign(fallback_migratetype, fallback_migratetype)
-               tp_assign(change_ownership, change_ownership)
-       ),
-
-       TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
-               __entry->page,
-               page_to_pfn(__entry->page),
-               __entry->alloc_order,
-               __entry->fallback_order,
-               pageblock_order,
-               __entry->alloc_migratetype,
-               __entry->fallback_migratetype,
-               __entry->fallback_order < pageblock_order,
-               __entry->change_ownership)
+       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)
+               ctf_integer(int, fallback_migratetype, fallback_migratetype)
+               ctf_integer(int, change_ownership, change_ownership)
+       )
 )
 
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
 
-LTTNG_TRACEPOINT_EVENT(mm_page_alloc_extfrag,
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
+
+       kmem_mm_page_alloc_extfrag,
 
        TP_PROTO(struct page *page,
                        int alloc_order, int fallback_order,
@@ -384,39 +320,19 @@ LTTNG_TRACEPOINT_EVENT(mm_page_alloc_extfrag,
                alloc_order, fallback_order,
                alloc_migratetype, fallback_migratetype),
 
-       TP_STRUCT__entry(
-               __field_hex(    struct page *,  page                    )
-               __field(        int,            alloc_order             )
-               __field(        int,            fallback_order          )
-               __field(        int,            alloc_migratetype       )
-               __field(        int,            fallback_migratetype    )
-       ),
-
-       TP_fast_assign(
-               tp_assign(page, page)
-               tp_assign(alloc_order, alloc_order)
-               tp_assign(fallback_order, fallback_order)
-               tp_assign(alloc_migratetype, alloc_migratetype)
-               tp_assign(fallback_migratetype, fallback_migratetype)
-       ),
-
-       TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
-               __entry->page,
-               page_to_pfn(__entry->page),
-               __entry->alloc_order,
-               __entry->fallback_order,
-               pageblock_order,
-               __entry->alloc_migratetype,
-               __entry->fallback_migratetype,
-               __entry->fallback_order < pageblock_order,
-               __entry->alloc_migratetype == __entry->fallback_migratetype)
+       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)
+               ctf_integer(int, fallback_migratetype, fallback_migratetype)
+       )
 )
 
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
 
-#endif
-
 #endif /* LTTNG_TRACE_KMEM_H */
 
 /* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <probes/define_trace.h>
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