instrumentation/events/lttng-module/kmem.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM kmem
   3
   4 #if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_KMEM_H
   6
   7 #include <linux/types.h>
   8 #include <linux/tracepoint.h>
   9 #include <linux/version.h>
  10 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
  11 #include <trace/events/gfpflags.h>
  12 #endif
  13
  14 DECLARE_EVENT_CLASS(kmem_alloc,
  15
  16         TP_PROTO(unsigned long call_site,
  17                  const void *ptr,
  18                  size_t bytes_req,
  19                  size_t bytes_alloc,
  20                  gfp_t gfp_flags),
  21
  22         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
  23
  24         TP_STRUCT__entry(
  25                 __field(        unsigned long,  call_site       )
  26                 __field(        const void *,   ptr             )
  27                 __field(        size_t,         bytes_req       )
  28                 __field(        size_t,         bytes_alloc     )
  29                 __field(        gfp_t,          gfp_flags       )
  30         ),
  31
  32         TP_fast_assign(
  33                 tp_assign(call_site, call_site)
  34                 tp_assign(ptr, ptr)
  35                 tp_assign(bytes_req, bytes_req)
  36                 tp_assign(bytes_alloc, bytes_alloc)
  37                 tp_assign(gfp_flags, gfp_flags)
  38         ),
  39
  40         TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
  41                 __entry->call_site,
  42                 __entry->ptr,
  43                 __entry->bytes_req,
  44                 __entry->bytes_alloc,
  45                 show_gfp_flags(__entry->gfp_flags))
  46 )
  47
  48 DEFINE_EVENT(kmem_alloc, kmalloc,
  49
  50         TP_PROTO(unsigned long call_site, const void *ptr,
  51                  size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),
  52
  53         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)
  54 )
  55
  56 DEFINE_EVENT(kmem_alloc, kmem_cache_alloc,
  57
  58         TP_PROTO(unsigned long call_site, const void *ptr,
  59                  size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),
  60
  61         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)
  62 )
  63
  64 DECLARE_EVENT_CLASS(kmem_alloc_node,
  65
  66         TP_PROTO(unsigned long call_site,
  67                  const void *ptr,
  68                  size_t bytes_req,
  69                  size_t bytes_alloc,
  70                  gfp_t gfp_flags,
  71                  int node),
  72
  73         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
  74
  75         TP_STRUCT__entry(
  76                 __field(        unsigned long,  call_site       )
  77                 __field(        const void *,   ptr             )
  78                 __field(        size_t,         bytes_req       )
  79                 __field(        size_t,         bytes_alloc     )
  80                 __field(        gfp_t,          gfp_flags       )
  81                 __field(        int,            node            )
  82         ),
  83
  84         TP_fast_assign(
  85                 tp_assign(call_site, call_site)
  86                 tp_assign(ptr, ptr)
  87                 tp_assign(bytes_req, bytes_req)
  88                 tp_assign(bytes_alloc, bytes_alloc)
  89                 tp_assign(gfp_flags, gfp_flags)
  90                 tp_assign(node, node)
  91         ),
  92
  93         TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
  94                 __entry->call_site,
  95                 __entry->ptr,
  96                 __entry->bytes_req,
  97                 __entry->bytes_alloc,
  98                 show_gfp_flags(__entry->gfp_flags),
  99                 __entry->node)
 100 )
 101
 102 DEFINE_EVENT(kmem_alloc_node, kmalloc_node,
 103
 104         TP_PROTO(unsigned long call_site, const void *ptr,
 105                  size_t bytes_req, size_t bytes_alloc,
 106                  gfp_t gfp_flags, int node),
 107
 108         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
 109 )
 110
 111 DEFINE_EVENT(kmem_alloc_node, kmem_cache_alloc_node,
 112
 113         TP_PROTO(unsigned long call_site, const void *ptr,
 114                  size_t bytes_req, size_t bytes_alloc,
 115                  gfp_t gfp_flags, int node),
 116
 117         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
 118 )
 119
 120 DECLARE_EVENT_CLASS(kmem_free,
 121
 122         TP_PROTO(unsigned long call_site, const void *ptr),
 123
 124         TP_ARGS(call_site, ptr),
 125
 126         TP_STRUCT__entry(
 127                 __field(        unsigned long,  call_site       )
 128                 __field(        const void *,   ptr             )
 129         ),
 130
 131         TP_fast_assign(
 132                 tp_assign(call_site, call_site)
 133                 tp_assign(ptr, ptr)
 134         ),
 135
 136         TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
 137 )
 138
 139 DEFINE_EVENT(kmem_free, kfree,
 140
 141         TP_PROTO(unsigned long call_site, const void *ptr),
 142
 143         TP_ARGS(call_site, ptr)
 144 )
 145
 146 DEFINE_EVENT(kmem_free, kmem_cache_free,
 147
 148         TP_PROTO(unsigned long call_site, const void *ptr),
 149
 150         TP_ARGS(call_site, ptr)
 151 )
 152
 153 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 154 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 155 TRACE_EVENT(mm_page_free,
 156 #else
 157 TRACE_EVENT(mm_page_free_direct,
 158 #endif
 159
 160         TP_PROTO(struct page *page, unsigned int order),
 161
 162         TP_ARGS(page, order),
 163
 164         TP_STRUCT__entry(
 165                 __field(        struct page *,  page            )
 166                 __field(        unsigned int,   order           )
 167         ),
 168
 169         TP_fast_assign(
 170                 tp_assign(page, page)
 171                 tp_assign(order, order)
 172         ),
 173
 174         TP_printk("page=%p pfn=%lu order=%d",
 175                         __entry->page,
 176                         page_to_pfn(__entry->page),
 177                         __entry->order)
 178 )
 179
 180 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 181 TRACE_EVENT(mm_page_free_batched,
 182 #else
 183 TRACE_EVENT(mm_pagevec_free,
 184 #endif
 185
 186         TP_PROTO(struct page *page, int cold),
 187
 188         TP_ARGS(page, cold),
 189
 190         TP_STRUCT__entry(
 191                 __field(        struct page *,  page            )
 192                 __field(        int,            cold            )
 193         ),
 194
 195         TP_fast_assign(
 196                 tp_assign(page, page)
 197                 tp_assign(cold, cold)
 198         ),
 199
 200         TP_printk("page=%p pfn=%lu order=0 cold=%d",
 201                         __entry->page,
 202                         page_to_pfn(__entry->page),
 203                         __entry->cold)
 204 )
 205
 206 TRACE_EVENT(mm_page_alloc,
 207
 208         TP_PROTO(struct page *page, unsigned int order,
 209                         gfp_t gfp_flags, int migratetype),
 210
 211         TP_ARGS(page, order, gfp_flags, migratetype),
 212
 213         TP_STRUCT__entry(
 214                 __field(        struct page *,  page            )
 215                 __field(        unsigned int,   order           )
 216                 __field(        gfp_t,          gfp_flags       )
 217                 __field(        int,            migratetype     )
 218         ),
 219
 220         TP_fast_assign(
 221                 tp_assign(page, page)
 222                 tp_assign(order, order)
 223                 tp_assign(gfp_flags, gfp_flags)
 224                 tp_assign(migratetype, migratetype)
 225         ),
 226
 227         TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
 228                 __entry->page,
 229                 __entry->page ? page_to_pfn(__entry->page) : 0,
 230                 __entry->order,
 231                 __entry->migratetype,
 232                 show_gfp_flags(__entry->gfp_flags))
 233 )
 234
 235 DECLARE_EVENT_CLASS(mm_page,
 236
 237         TP_PROTO(struct page *page, unsigned int order, int migratetype),
 238
 239         TP_ARGS(page, order, migratetype),
 240
 241         TP_STRUCT__entry(
 242                 __field(        struct page *,  page            )
 243                 __field(        unsigned int,   order           )
 244                 __field(        int,            migratetype     )
 245         ),
 246
 247         TP_fast_assign(
 248                 tp_assign(page, page)
 249                 tp_assign(order, order)
 250                 tp_assign(migratetype, migratetype)
 251         ),
 252
 253         TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
 254                 __entry->page,
 255                 __entry->page ? page_to_pfn(__entry->page) : 0,
 256                 __entry->order,
 257                 __entry->migratetype,
 258                 __entry->order == 0)
 259 )
 260
 261 DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
 262
 263         TP_PROTO(struct page *page, unsigned int order, int migratetype),
 264
 265         TP_ARGS(page, order, migratetype)
 266 )
 267
 268 DEFINE_EVENT_PRINT(mm_page, mm_page_pcpu_drain,
 269
 270 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
 271         TP_PROTO(struct page *page, unsigned int order, int migratetype),
 272 #else
 273         TP_PROTO(struct page *page, int order, int migratetype),
 274 #endif
 275
 276         TP_ARGS(page, order, migratetype),
 277
 278         TP_printk("page=%p pfn=%lu order=%d migratetype=%d",
 279                 __entry->page, page_to_pfn(__entry->page),
 280                 __entry->order, __entry->migratetype)
 281 )
 282
 283 TRACE_EVENT(mm_page_alloc_extfrag,
 284
 285         TP_PROTO(struct page *page,
 286                         int alloc_order, int fallback_order,
 287                         int alloc_migratetype, int fallback_migratetype),
 288
 289         TP_ARGS(page,
 290                 alloc_order, fallback_order,
 291                 alloc_migratetype, fallback_migratetype),
 292
 293         TP_STRUCT__entry(
 294                 __field(        struct page *,  page                    )
 295                 __field(        int,            alloc_order             )
 296                 __field(        int,            fallback_order          )
 297                 __field(        int,            alloc_migratetype       )
 298                 __field(        int,            fallback_migratetype    )
 299         ),
 300
 301         TP_fast_assign(
 302                 tp_assign(page, page)
 303                 tp_assign(alloc_order, alloc_order)
 304                 tp_assign(fallback_order, fallback_order)
 305                 tp_assign(alloc_migratetype, alloc_migratetype)
 306                 tp_assign(fallback_migratetype, fallback_migratetype)
 307         ),
 308
 309         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",
 310                 __entry->page,
 311                 page_to_pfn(__entry->page),
 312                 __entry->alloc_order,
 313                 __entry->fallback_order,
 314                 pageblock_order,
 315                 __entry->alloc_migratetype,
 316                 __entry->fallback_migratetype,
 317                 __entry->fallback_order < pageblock_order,
 318                 __entry->alloc_migratetype == __entry->fallback_migratetype)
 319 )
 320 #endif
 321
 322 #endif /* _TRACE_KMEM_H */
 323
 324 /* This part must be outside protection */
 325 #include "../../../probes/define_trace.h"