kmem.h 5.7 KB

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  1. #if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
  2. #define _TRACE_KMEM_H
  3. #include <linux/types.h>
  4. #include <linux/tracepoint.h>
  5. #undef TRACE_SYSTEM
  6. #define TRACE_SYSTEM kmem
  7. /*
  8. * The order of these masks is important. Matching masks will be seen
  9. * first and the left over flags will end up showing by themselves.
  10. *
  11. * For example, if we have GFP_KERNEL before GFP_USER we wil get:
  12. *
  13. * GFP_KERNEL|GFP_HARDWALL
  14. *
  15. * Thus most bits set go first.
  16. */
  17. #define show_gfp_flags(flags) \
  18. (flags) ? __print_flags(flags, "|", \
  19. {(unsigned long)GFP_HIGHUSER_MOVABLE, "GFP_HIGHUSER_MOVABLE"}, \
  20. {(unsigned long)GFP_HIGHUSER, "GFP_HIGHUSER"}, \
  21. {(unsigned long)GFP_USER, "GFP_USER"}, \
  22. {(unsigned long)GFP_TEMPORARY, "GFP_TEMPORARY"}, \
  23. {(unsigned long)GFP_KERNEL, "GFP_KERNEL"}, \
  24. {(unsigned long)GFP_NOFS, "GFP_NOFS"}, \
  25. {(unsigned long)GFP_ATOMIC, "GFP_ATOMIC"}, \
  26. {(unsigned long)GFP_NOIO, "GFP_NOIO"}, \
  27. {(unsigned long)__GFP_HIGH, "GFP_HIGH"}, \
  28. {(unsigned long)__GFP_WAIT, "GFP_WAIT"}, \
  29. {(unsigned long)__GFP_IO, "GFP_IO"}, \
  30. {(unsigned long)__GFP_COLD, "GFP_COLD"}, \
  31. {(unsigned long)__GFP_NOWARN, "GFP_NOWARN"}, \
  32. {(unsigned long)__GFP_REPEAT, "GFP_REPEAT"}, \
  33. {(unsigned long)__GFP_NOFAIL, "GFP_NOFAIL"}, \
  34. {(unsigned long)__GFP_NORETRY, "GFP_NORETRY"}, \
  35. {(unsigned long)__GFP_COMP, "GFP_COMP"}, \
  36. {(unsigned long)__GFP_ZERO, "GFP_ZERO"}, \
  37. {(unsigned long)__GFP_NOMEMALLOC, "GFP_NOMEMALLOC"}, \
  38. {(unsigned long)__GFP_HARDWALL, "GFP_HARDWALL"}, \
  39. {(unsigned long)__GFP_THISNODE, "GFP_THISNODE"}, \
  40. {(unsigned long)__GFP_RECLAIMABLE, "GFP_RECLAIMABLE"}, \
  41. {(unsigned long)__GFP_MOVABLE, "GFP_MOVABLE"} \
  42. ) : "GFP_NOWAIT"
  43. TRACE_EVENT(kmalloc,
  44. TP_PROTO(unsigned long call_site,
  45. const void *ptr,
  46. size_t bytes_req,
  47. size_t bytes_alloc,
  48. gfp_t gfp_flags),
  49. TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
  50. TP_STRUCT__entry(
  51. __field( unsigned long, call_site )
  52. __field( const void *, ptr )
  53. __field( size_t, bytes_req )
  54. __field( size_t, bytes_alloc )
  55. __field( gfp_t, gfp_flags )
  56. ),
  57. TP_fast_assign(
  58. __entry->call_site = call_site;
  59. __entry->ptr = ptr;
  60. __entry->bytes_req = bytes_req;
  61. __entry->bytes_alloc = bytes_alloc;
  62. __entry->gfp_flags = gfp_flags;
  63. ),
  64. TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
  65. __entry->call_site,
  66. __entry->ptr,
  67. __entry->bytes_req,
  68. __entry->bytes_alloc,
  69. show_gfp_flags(__entry->gfp_flags))
  70. );
  71. TRACE_EVENT(kmem_cache_alloc,
  72. TP_PROTO(unsigned long call_site,
  73. const void *ptr,
  74. size_t bytes_req,
  75. size_t bytes_alloc,
  76. gfp_t gfp_flags),
  77. TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
  78. TP_STRUCT__entry(
  79. __field( unsigned long, call_site )
  80. __field( const void *, ptr )
  81. __field( size_t, bytes_req )
  82. __field( size_t, bytes_alloc )
  83. __field( gfp_t, gfp_flags )
  84. ),
  85. TP_fast_assign(
  86. __entry->call_site = call_site;
  87. __entry->ptr = ptr;
  88. __entry->bytes_req = bytes_req;
  89. __entry->bytes_alloc = bytes_alloc;
  90. __entry->gfp_flags = gfp_flags;
  91. ),
  92. TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
  93. __entry->call_site,
  94. __entry->ptr,
  95. __entry->bytes_req,
  96. __entry->bytes_alloc,
  97. show_gfp_flags(__entry->gfp_flags))
  98. );
  99. TRACE_EVENT(kmalloc_node,
  100. TP_PROTO(unsigned long call_site,
  101. const void *ptr,
  102. size_t bytes_req,
  103. size_t bytes_alloc,
  104. gfp_t gfp_flags,
  105. int node),
  106. TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
  107. TP_STRUCT__entry(
  108. __field( unsigned long, call_site )
  109. __field( const void *, ptr )
  110. __field( size_t, bytes_req )
  111. __field( size_t, bytes_alloc )
  112. __field( gfp_t, gfp_flags )
  113. __field( int, node )
  114. ),
  115. TP_fast_assign(
  116. __entry->call_site = call_site;
  117. __entry->ptr = ptr;
  118. __entry->bytes_req = bytes_req;
  119. __entry->bytes_alloc = bytes_alloc;
  120. __entry->gfp_flags = gfp_flags;
  121. __entry->node = node;
  122. ),
  123. TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
  124. __entry->call_site,
  125. __entry->ptr,
  126. __entry->bytes_req,
  127. __entry->bytes_alloc,
  128. show_gfp_flags(__entry->gfp_flags),
  129. __entry->node)
  130. );
  131. TRACE_EVENT(kmem_cache_alloc_node,
  132. TP_PROTO(unsigned long call_site,
  133. const void *ptr,
  134. size_t bytes_req,
  135. size_t bytes_alloc,
  136. gfp_t gfp_flags,
  137. int node),
  138. TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
  139. TP_STRUCT__entry(
  140. __field( unsigned long, call_site )
  141. __field( const void *, ptr )
  142. __field( size_t, bytes_req )
  143. __field( size_t, bytes_alloc )
  144. __field( gfp_t, gfp_flags )
  145. __field( int, node )
  146. ),
  147. TP_fast_assign(
  148. __entry->call_site = call_site;
  149. __entry->ptr = ptr;
  150. __entry->bytes_req = bytes_req;
  151. __entry->bytes_alloc = bytes_alloc;
  152. __entry->gfp_flags = gfp_flags;
  153. __entry->node = node;
  154. ),
  155. TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
  156. __entry->call_site,
  157. __entry->ptr,
  158. __entry->bytes_req,
  159. __entry->bytes_alloc,
  160. show_gfp_flags(__entry->gfp_flags),
  161. __entry->node)
  162. );
  163. TRACE_EVENT(kfree,
  164. TP_PROTO(unsigned long call_site, const void *ptr),
  165. TP_ARGS(call_site, ptr),
  166. TP_STRUCT__entry(
  167. __field( unsigned long, call_site )
  168. __field( const void *, ptr )
  169. ),
  170. TP_fast_assign(
  171. __entry->call_site = call_site;
  172. __entry->ptr = ptr;
  173. ),
  174. TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
  175. );
  176. TRACE_EVENT(kmem_cache_free,
  177. TP_PROTO(unsigned long call_site, const void *ptr),
  178. TP_ARGS(call_site, ptr),
  179. TP_STRUCT__entry(
  180. __field( unsigned long, call_site )
  181. __field( const void *, ptr )
  182. ),
  183. TP_fast_assign(
  184. __entry->call_site = call_site;
  185. __entry->ptr = ptr;
  186. ),
  187. TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
  188. );
  189. #endif /* _TRACE_KMEM_H */
  190. /* This part must be outside protection */
  191. #include <trace/define_trace.h>