1 #if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ) 2 #define _TRACE_KMEM_H 3 4 #include <linux/types.h> 5 #include <linux/tracepoint.h> 6 7 #undef TRACE_SYSTEM 8 #define TRACE_SYSTEM kmem 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> 232