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   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
  10 /*
  11  * The order of these masks is important. Matching masks will be seen
  12  * first and the left over flags will end up showing by themselves.
  13  *
  14  * For example, if we have GFP_KERNEL before GFP_USER we wil get:
  15  *
  16  *  GFP_KERNEL|GFP_HARDWALL
  17  *
  18  * Thus most bits set go first.
  19  */
  20 #define show_gfp_flags(flags)                                           \
  21         (flags) ? __print_flags(flags, "|",                             \
  22         {(unsigned long)GFP_HIGHUSER_MOVABLE,   "GFP_HIGHUSER_MOVABLE"}, \
  23         {(unsigned long)GFP_HIGHUSER,           "GFP_HIGHUSER"},        \
  24         {(unsigned long)GFP_USER,               "GFP_USER"},            \
  25         {(unsigned long)GFP_TEMPORARY,          "GFP_TEMPORARY"},       \
  26         {(unsigned long)GFP_KERNEL,             "GFP_KERNEL"},          \
  27         {(unsigned long)GFP_NOFS,               "GFP_NOFS"},            \
  28         {(unsigned long)GFP_ATOMIC,             "GFP_ATOMIC"},          \
  29         {(unsigned long)GFP_NOIO,               "GFP_NOIO"},            \
  30         {(unsigned long)__GFP_HIGH,             "GFP_HIGH"},            \
  31         {(unsigned long)__GFP_WAIT,             "GFP_WAIT"},            \
  32         {(unsigned long)__GFP_IO,               "GFP_IO"},              \
  33         {(unsigned long)__GFP_COLD,             "GFP_COLD"},            \
  34         {(unsigned long)__GFP_NOWARN,           "GFP_NOWARN"},          \
  35         {(unsigned long)__GFP_REPEAT,           "GFP_REPEAT"},          \
  36         {(unsigned long)__GFP_NOFAIL,           "GFP_NOFAIL"},          \
  37         {(unsigned long)__GFP_NORETRY,          "GFP_NORETRY"},         \
  38         {(unsigned long)__GFP_COMP,             "GFP_COMP"},            \
  39         {(unsigned long)__GFP_ZERO,             "GFP_ZERO"},            \
  40         {(unsigned long)__GFP_NOMEMALLOC,       "GFP_NOMEMALLOC"},      \
  41         {(unsigned long)__GFP_HARDWALL,         "GFP_HARDWALL"},        \
  42         {(unsigned long)__GFP_THISNODE,         "GFP_THISNODE"},        \
  43         {(unsigned long)__GFP_RECLAIMABLE,      "GFP_RECLAIMABLE"},     \
  44         {(unsigned long)__GFP_MOVABLE,          "GFP_MOVABLE"}          \
  45         ) : "GFP_NOWAIT"
  46
  47 TRACE_EVENT(kmalloc,
  48
  49         TP_PROTO(unsigned long call_site,
  50                  const void *ptr,
  51                  size_t bytes_req,
  52                  size_t bytes_alloc,
  53                  gfp_t gfp_flags),
  54
  55         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
  56
  57         TP_STRUCT__entry(
  58                 __field(        unsigned long,  call_site       )
  59                 __field(        const void *,   ptr             )
  60                 __field(        size_t,         bytes_req       )
  61                 __field(        size_t,         bytes_alloc     )
  62                 __field(        gfp_t,          gfp_flags       )
  63         ),
  64
  65         TP_fast_assign(
  66                 __entry->call_site      = call_site;
  67                 __entry->ptr            = ptr;
  68                 __entry->bytes_req      = bytes_req;
  69                 __entry->bytes_alloc    = bytes_alloc;
  70                 __entry->gfp_flags      = gfp_flags;
  71         ),
  72
  73         TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
  74                 __entry->call_site,
  75                 __entry->ptr,
  76                 __entry->bytes_req,
  77                 __entry->bytes_alloc,
  78                 show_gfp_flags(__entry->gfp_flags))
  79 );
  80
  81 TRACE_EVENT(kmem_cache_alloc,
  82
  83         TP_PROTO(unsigned long call_site,
  84                  const void *ptr,
  85                  size_t bytes_req,
  86                  size_t bytes_alloc,
  87                  gfp_t gfp_flags),
  88
  89         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
  90
  91         TP_STRUCT__entry(
  92                 __field(        unsigned long,  call_site       )
  93                 __field(        const void *,   ptr             )
  94                 __field(        size_t,         bytes_req       )
  95                 __field(        size_t,         bytes_alloc     )
  96                 __field(        gfp_t,          gfp_flags       )
  97         ),
  98
  99         TP_fast_assign(
 100                 __entry->call_site      = call_site;
 101                 __entry->ptr            = ptr;
 102                 __entry->bytes_req      = bytes_req;
 103                 __entry->bytes_alloc    = bytes_alloc;
 104                 __entry->gfp_flags      = gfp_flags;
 105         ),
 106
 107         TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
 108                 __entry->call_site,
 109                 __entry->ptr,
 110                 __entry->bytes_req,
 111                 __entry->bytes_alloc,
 112                 show_gfp_flags(__entry->gfp_flags))
 113 );
 114
 115 TRACE_EVENT(kmalloc_node,
 116
 117         TP_PROTO(unsigned long call_site,
 118                  const void *ptr,
 119                  size_t bytes_req,
 120                  size_t bytes_alloc,
 121                  gfp_t gfp_flags,
 122                  int node),
 123
 124         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
 125
 126         TP_STRUCT__entry(
 127                 __field(        unsigned long,  call_site       )
 128                 __field(        const void *,   ptr             )
 129                 __field(        size_t,         bytes_req       )
 130                 __field(        size_t,         bytes_alloc     )
 131                 __field(        gfp_t,          gfp_flags       )
 132                 __field(        int,            node            )
 133         ),
 134
 135         TP_fast_assign(
 136                 __entry->call_site      = call_site;
 137                 __entry->ptr            = ptr;
 138                 __entry->bytes_req      = bytes_req;
 139                 __entry->bytes_alloc    = bytes_alloc;
 140                 __entry->gfp_flags      = gfp_flags;
 141                 __entry->node           = node;
 142         ),
 143
 144         TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
 145                 __entry->call_site,
 146                 __entry->ptr,
 147                 __entry->bytes_req,
 148                 __entry->bytes_alloc,
 149                 show_gfp_flags(__entry->gfp_flags),
 150                 __entry->node)
 151 );
 152
 153 TRACE_EVENT(kmem_cache_alloc_node,
 154
 155         TP_PROTO(unsigned long call_site,
 156                  const void *ptr,
 157                  size_t bytes_req,
 158                  size_t bytes_alloc,
 159                  gfp_t gfp_flags,
 160                  int node),
 161
 162         TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
 163
 164         TP_STRUCT__entry(
 165                 __field(        unsigned long,  call_site       )
 166                 __field(        const void *,   ptr             )
 167                 __field(        size_t,         bytes_req       )
 168                 __field(        size_t,         bytes_alloc     )
 169                 __field(        gfp_t,          gfp_flags       )
 170                 __field(        int,            node            )
 171         ),
 172
 173         TP_fast_assign(
 174                 __entry->call_site      = call_site;
 175                 __entry->ptr            = ptr;
 176                 __entry->bytes_req      = bytes_req;
 177                 __entry->bytes_alloc    = bytes_alloc;
 178                 __entry->gfp_flags      = gfp_flags;
 179                 __entry->node           = node;
 180         ),
 181
 182         TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
 183                 __entry->call_site,
 184                 __entry->ptr,
 185                 __entry->bytes_req,
 186                 __entry->bytes_alloc,
 187                 show_gfp_flags(__entry->gfp_flags),
 188                 __entry->node)
 189 );
 190
 191 TRACE_EVENT(kfree,
 192
 193         TP_PROTO(unsigned long call_site, const void *ptr),
 194
 195         TP_ARGS(call_site, ptr),
 196
 197         TP_STRUCT__entry(
 198                 __field(        unsigned long,  call_site       )
 199                 __field(        const void *,   ptr             )
 200         ),
 201
 202         TP_fast_assign(
 203                 __entry->call_site      = call_site;
 204                 __entry->ptr            = ptr;
 205         ),
 206
 207         TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
 208 );
 209
 210 TRACE_EVENT(kmem_cache_free,
 211
 212         TP_PROTO(unsigned long call_site, const void *ptr),
 213
 214         TP_ARGS(call_site, ptr),
 215
 216         TP_STRUCT__entry(
 217                 __field(        unsigned long,  call_site       )
 218                 __field(        const void *,   ptr             )
 219         ),
 220
 221         TP_fast_assign(
 222                 __entry->call_site      = call_site;
 223                 __entry->ptr            = ptr;
 224         ),
 225
 226         TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
 227 );
 228 #endif /* _TRACE_KMEM_H */
 229
 230 /* This part must be outside protection */
 231 #include <trace/define_trace.h>