instrumentation/events/lttng-module/kmem.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM kmem
   4
   5 #if !defined(LTTNG_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_KMEM_H
   7
   8 #include <probes/lttng-tracepoint-event.h>
   9 #include <linux/types.h>
  10
  11 LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc,
  12
  13         TP_PROTO(unsigned long call_site,
  14                  const void *ptr,
  15                  size_t bytes_req,
  16                  size_t bytes_alloc,
  17                  gfp_t gfp_flags),
  18
  19         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
  20
  21         TP_FIELDS(
  22                 ctf_integer_hex(unsigned long, call_site, call_site)
  23                 ctf_integer_hex(const void *, ptr, ptr)
  24                 ctf_integer(size_t, bytes_req, bytes_req)
  25                 ctf_integer(size_t, bytes_alloc, bytes_alloc)
  26                 ctf_integer(gfp_t, gfp_flags, gfp_flags)
  27         )
  28 )
  29
  30 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc, kmalloc,
  31
  32         kmem_kmalloc,
  33
  34         TP_PROTO(unsigned long call_site, const void *ptr,
  35                  size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),
  36
  37         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)
  38 )
  39
  40 LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_alloc, kmem_cache_alloc,
  41
  42         TP_PROTO(unsigned long call_site, const void *ptr,
  43                  size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),
  44
  45         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)
  46 )
  47
  48 LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc_node,
  49
  50         TP_PROTO(unsigned long call_site,
  51                  const void *ptr,
  52                  size_t bytes_req,
  53                  size_t bytes_alloc,
  54                  gfp_t gfp_flags,
  55                  int node),
  56
  57         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
  58
  59         TP_FIELDS(
  60                 ctf_integer_hex(unsigned long, call_site, call_site)
  61                 ctf_integer_hex(const void *, ptr, ptr)
  62                 ctf_integer(size_t, bytes_req, bytes_req)
  63                 ctf_integer(size_t, bytes_alloc, bytes_alloc)
  64                 ctf_integer(gfp_t, gfp_flags, gfp_flags)
  65                 ctf_integer(int, node, node)
  66         )
  67 )
  68
  69 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc_node, kmalloc_node,
  70
  71         kmem_kmalloc_node,
  72
  73         TP_PROTO(unsigned long call_site, const void *ptr,
  74                  size_t bytes_req, size_t bytes_alloc,
  75                  gfp_t gfp_flags, int node),
  76
  77         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
  78 )
  79
  80 LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_alloc_node, kmem_cache_alloc_node,
  81
  82         TP_PROTO(unsigned long call_site, const void *ptr,
  83                  size_t bytes_req, size_t bytes_alloc,
  84                  gfp_t gfp_flags, int node),
  85
  86         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
  87 )
  88
  89 LTTNG_TRACEPOINT_EVENT_CLASS(kmem_free,
  90
  91         TP_PROTO(unsigned long call_site, const void *ptr),
  92
  93         TP_ARGS(call_site, ptr),
  94
  95         TP_FIELDS(
  96                 ctf_integer_hex(unsigned long, call_site, call_site)
  97                 ctf_integer_hex(const void *, ptr, ptr)
  98         )
  99 )
 100
 101 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_free, kfree,
 102
 103         kmem_kfree,
 104
 105         TP_PROTO(unsigned long call_site, const void *ptr),
 106
 107         TP_ARGS(call_site, ptr)
 108 )
 109
 110 LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_free, kmem_cache_free,
 111
 112         TP_PROTO(unsigned long call_site, const void *ptr),
 113
 114         TP_ARGS(call_site, ptr)
 115 )
 116
 117 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free, kmem_mm_page_free,
 118
 119         TP_PROTO(struct page *page, unsigned int order),
 120
 121         TP_ARGS(page, order),
 122
 123         TP_FIELDS(
 124                 ctf_integer_hex(struct page *, page, page)
 125                 ctf_integer(unsigned long, pfn, page_to_pfn(page))
 126                 ctf_integer(unsigned int, order, order)
 127         )
 128 )
 129
 130 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
 131
 132         TP_PROTO(struct page *page),
 133
 134         TP_ARGS(page),
 135
 136         TP_FIELDS(
 137                 ctf_integer_hex(struct page *, page, page)
 138                 ctf_integer(unsigned long, pfn, page_to_pfn(page))
 139         )
 140 )
 141
 142 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc, kmem_mm_page_alloc,
 143
 144         TP_PROTO(struct page *page, unsigned int order,
 145                         gfp_t gfp_flags, int migratetype),
 146
 147         TP_ARGS(page, order, gfp_flags, migratetype),
 148
 149         TP_FIELDS(
 150                 ctf_integer_hex(struct page *, page, page)
 151                 ctf_integer(unsigned long, pfn,
 152                         page ? page_to_pfn(page) : -1UL)
 153                 ctf_integer(unsigned int, order, order)
 154                 ctf_integer(gfp_t, gfp_flags, gfp_flags)
 155                 ctf_integer(int, migratetype, migratetype)
 156         )
 157 )
 158
 159 LTTNG_TRACEPOINT_EVENT_CLASS(kmem_mm_page,
 160
 161         TP_PROTO(struct page *page, unsigned int order, int migratetype),
 162
 163         TP_ARGS(page, order, migratetype),
 164
 165         TP_FIELDS(
 166                 ctf_integer_hex(struct page *, page, page)
 167                 ctf_integer(unsigned long, pfn,
 168                         page ? page_to_pfn(page) : -1UL)
 169                 ctf_integer(unsigned int, order, order)
 170                 ctf_integer(int, migratetype, migratetype)
 171         )
 172 )
 173
 174 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_alloc_zone_locked,
 175
 176         kmem_mm_page_alloc_zone_locked,
 177
 178         TP_PROTO(struct page *page, unsigned int order, int migratetype),
 179
 180         TP_ARGS(page, order, migratetype)
 181 )
 182
 183 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_pcpu_drain,
 184
 185         kmem_mm_page_pcpu_drain,
 186
 187         TP_PROTO(struct page *page, unsigned int order, int migratetype),
 188
 189         TP_ARGS(page, order, migratetype)
 190 )
 191
 192 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
 193
 194         kmem_mm_page_alloc_extfrag,
 195
 196         TP_PROTO(struct page *page,
 197                 int alloc_order, int fallback_order,
 198                 int alloc_migratetype, int fallback_migratetype),
 199
 200         TP_ARGS(page,
 201                 alloc_order, fallback_order,
 202                 alloc_migratetype, fallback_migratetype),
 203
 204         TP_FIELDS(
 205                 ctf_integer_hex(struct page *, page, page)
 206                 ctf_integer(unsigned long, pfn, page_to_pfn(page))
 207                 ctf_integer(int, alloc_order, alloc_order)
 208                 ctf_integer(int, fallback_order, fallback_order)
 209                 ctf_integer(int, alloc_migratetype, alloc_migratetype)
 210                 ctf_integer(int, fallback_migratetype, fallback_migratetype)
 211                 ctf_integer(int, change_ownership,
 212                         (alloc_migratetype == get_pageblock_migratetype(page)))
 213         )
 214 )
 215
 216 #endif /* LTTNG_TRACE_KMEM_H */
 217
 218 /* This part must be outside protection */
 219 #include <probes/define_trace.h>