1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM vmscan 3 4 #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define _TRACE_VMSCAN_H 6 7 #include <linux/types.h> 8 #include <linux/tracepoint.h> 9 #include <linux/mm.h> 10 #include <linux/memcontrol.h> 11 #include <trace/events/gfpflags.h> 12 13 #define RECLAIM_WB_ANON 0x0001u 14 #define RECLAIM_WB_FILE 0x0002u 15 #define RECLAIM_WB_MIXED 0x0010u 16 #define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */ 17 #define RECLAIM_WB_ASYNC 0x0008u 18 19 #define show_reclaim_flags(flags) \ 20 (flags) ? __print_flags(flags, "|", \ 21 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \ 22 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \ 23 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \ 24 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \ 25 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \ 26 ) : "RECLAIM_WB_NONE" 27 28 #define trace_reclaim_flags(page) ( \ 29 (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 30 (RECLAIM_WB_ASYNC) \ 31 ) 32 33 #define trace_shrink_flags(file) \ 34 ( \ 35 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 36 (RECLAIM_WB_ASYNC) \ 37 ) 38 39 TRACE_EVENT(mm_vmscan_kswapd_sleep, 40 41 TP_PROTO(int nid), 42 43 TP_ARGS(nid), 44 45 TP_STRUCT__entry( 46 __field( int, nid ) 47 ), 48 49 TP_fast_assign( 50 __entry->nid = nid; 51 ), 52 53 TP_printk("nid=%d", __entry->nid) 54 ); 55 56 TRACE_EVENT(mm_vmscan_kswapd_wake, 57 58 TP_PROTO(int nid, int order), 59 60 TP_ARGS(nid, order), 61 62 TP_STRUCT__entry( 63 __field( int, nid ) 64 __field( int, order ) 65 ), 66 67 TP_fast_assign( 68 __entry->nid = nid; 69 __entry->order = order; 70 ), 71 72 TP_printk("nid=%d order=%d", __entry->nid, __entry->order) 73 ); 74 75 TRACE_EVENT(mm_vmscan_wakeup_kswapd, 76 77 TP_PROTO(int nid, int zid, int order), 78 79 TP_ARGS(nid, zid, order), 80 81 TP_STRUCT__entry( 82 __field( int, nid ) 83 __field( int, zid ) 84 __field( int, order ) 85 ), 86 87 TP_fast_assign( 88 __entry->nid = nid; 89 __entry->zid = zid; 90 __entry->order = order; 91 ), 92 93 TP_printk("nid=%d zid=%d order=%d", 94 __entry->nid, 95 __entry->zid, 96 __entry->order) 97 ); 98 99 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template, 100 101 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags), 102 103 TP_ARGS(order, may_writepage, gfp_flags), 104 105 TP_STRUCT__entry( 106 __field( int, order ) 107 __field( int, may_writepage ) 108 __field( gfp_t, gfp_flags ) 109 ), 110 111 TP_fast_assign( 112 __entry->order = order; 113 __entry->may_writepage = may_writepage; 114 __entry->gfp_flags = gfp_flags; 115 ), 116 117 TP_printk("order=%d may_writepage=%d gfp_flags=%s", 118 __entry->order, 119 __entry->may_writepage, 120 show_gfp_flags(__entry->gfp_flags)) 121 ); 122 123 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin, 124 125 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags), 126 127 TP_ARGS(order, may_writepage, gfp_flags) 128 ); 129 130 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin, 131 132 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags), 133 134 TP_ARGS(order, may_writepage, gfp_flags) 135 ); 136 137 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin, 138 139 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags), 140 141 TP_ARGS(order, may_writepage, gfp_flags) 142 ); 143 144 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template, 145 146 TP_PROTO(unsigned long nr_reclaimed), 147 148 TP_ARGS(nr_reclaimed), 149 150 TP_STRUCT__entry( 151 __field( unsigned long, nr_reclaimed ) 152 ), 153 154 TP_fast_assign( 155 __entry->nr_reclaimed = nr_reclaimed; 156 ), 157 158 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed) 159 ); 160 161 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end, 162 163 TP_PROTO(unsigned long nr_reclaimed), 164 165 TP_ARGS(nr_reclaimed) 166 ); 167 168 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end, 169 170 TP_PROTO(unsigned long nr_reclaimed), 171 172 TP_ARGS(nr_reclaimed) 173 ); 174 175 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end, 176 177 TP_PROTO(unsigned long nr_reclaimed), 178 179 TP_ARGS(nr_reclaimed) 180 ); 181 182 TRACE_EVENT(mm_shrink_slab_start, 183 TP_PROTO(struct shrinker *shr, struct shrink_control *sc, 184 long nr_objects_to_shrink, unsigned long pgs_scanned, 185 unsigned long lru_pgs, unsigned long cache_items, 186 unsigned long long delta, unsigned long total_scan), 187 188 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs, 189 cache_items, delta, total_scan), 190 191 TP_STRUCT__entry( 192 __field(struct shrinker *, shr) 193 __field(void *, shrink) 194 __field(long, nr_objects_to_shrink) 195 __field(gfp_t, gfp_flags) 196 __field(unsigned long, pgs_scanned) 197 __field(unsigned long, lru_pgs) 198 __field(unsigned long, cache_items) 199 __field(unsigned long long, delta) 200 __field(unsigned long, total_scan) 201 ), 202 203 TP_fast_assign( 204 __entry->shr = shr; 205 __entry->shrink = shr->shrink; 206 __entry->nr_objects_to_shrink = nr_objects_to_shrink; 207 __entry->gfp_flags = sc->gfp_mask; 208 __entry->pgs_scanned = pgs_scanned; 209 __entry->lru_pgs = lru_pgs; 210 __entry->cache_items = cache_items; 211 __entry->delta = delta; 212 __entry->total_scan = total_scan; 213 ), 214 215 TP_printk("%pF %p: objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld", 216 __entry->shrink, 217 __entry->shr, 218 __entry->nr_objects_to_shrink, 219 show_gfp_flags(__entry->gfp_flags), 220 __entry->pgs_scanned, 221 __entry->lru_pgs, 222 __entry->cache_items, 223 __entry->delta, 224 __entry->total_scan) 225 ); 226 227 TRACE_EVENT(mm_shrink_slab_end, 228 TP_PROTO(struct shrinker *shr, int shrinker_retval, 229 long unused_scan_cnt, long new_scan_cnt), 230 231 TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt), 232 233 TP_STRUCT__entry( 234 __field(struct shrinker *, shr) 235 __field(void *, shrink) 236 __field(long, unused_scan) 237 __field(long, new_scan) 238 __field(int, retval) 239 __field(long, total_scan) 240 ), 241 242 TP_fast_assign( 243 __entry->shr = shr; 244 __entry->shrink = shr->shrink; 245 __entry->unused_scan = unused_scan_cnt; 246 __entry->new_scan = new_scan_cnt; 247 __entry->retval = shrinker_retval; 248 __entry->total_scan = new_scan_cnt - unused_scan_cnt; 249 ), 250 251 TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d", 252 __entry->shrink, 253 __entry->shr, 254 __entry->unused_scan, 255 __entry->new_scan, 256 __entry->total_scan, 257 __entry->retval) 258 ); 259 260 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template, 261 262 TP_PROTO(int order, 263 unsigned long nr_requested, 264 unsigned long nr_scanned, 265 unsigned long nr_taken, 266 isolate_mode_t isolate_mode, 267 int file), 268 269 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file), 270 271 TP_STRUCT__entry( 272 __field(int, order) 273 __field(unsigned long, nr_requested) 274 __field(unsigned long, nr_scanned) 275 __field(unsigned long, nr_taken) 276 __field(isolate_mode_t, isolate_mode) 277 __field(int, file) 278 ), 279 280 TP_fast_assign( 281 __entry->order = order; 282 __entry->nr_requested = nr_requested; 283 __entry->nr_scanned = nr_scanned; 284 __entry->nr_taken = nr_taken; 285 __entry->isolate_mode = isolate_mode; 286 __entry->file = file; 287 ), 288 289 TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d", 290 __entry->isolate_mode, 291 __entry->order, 292 __entry->nr_requested, 293 __entry->nr_scanned, 294 __entry->nr_taken, 295 __entry->file) 296 ); 297 298 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate, 299 300 TP_PROTO(int order, 301 unsigned long nr_requested, 302 unsigned long nr_scanned, 303 unsigned long nr_taken, 304 isolate_mode_t isolate_mode, 305 int file), 306 307 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file) 308 309 ); 310 311 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate, 312 313 TP_PROTO(int order, 314 unsigned long nr_requested, 315 unsigned long nr_scanned, 316 unsigned long nr_taken, 317 isolate_mode_t isolate_mode, 318 int file), 319 320 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file) 321 322 ); 323 324 TRACE_EVENT(mm_vmscan_writepage, 325 326 TP_PROTO(struct page *page, 327 int reclaim_flags), 328 329 TP_ARGS(page, reclaim_flags), 330 331 TP_STRUCT__entry( 332 __field(struct page *, page) 333 __field(int, reclaim_flags) 334 ), 335 336 TP_fast_assign( 337 __entry->page = page; 338 __entry->reclaim_flags = reclaim_flags; 339 ), 340 341 TP_printk("page=%p pfn=%lu flags=%s", 342 __entry->page, 343 page_to_pfn(__entry->page), 344 show_reclaim_flags(__entry->reclaim_flags)) 345 ); 346 347 TRACE_EVENT(mm_vmscan_lru_shrink_inactive, 348 349 TP_PROTO(int nid, int zid, 350 unsigned long nr_scanned, unsigned long nr_reclaimed, 351 int priority, int reclaim_flags), 352 353 TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags), 354 355 TP_STRUCT__entry( 356 __field(int, nid) 357 __field(int, zid) 358 __field(unsigned long, nr_scanned) 359 __field(unsigned long, nr_reclaimed) 360 __field(int, priority) 361 __field(int, reclaim_flags) 362 ), 363 364 TP_fast_assign( 365 __entry->nid = nid; 366 __entry->zid = zid; 367 __entry->nr_scanned = nr_scanned; 368 __entry->nr_reclaimed = nr_reclaimed; 369 __entry->priority = priority; 370 __entry->reclaim_flags = reclaim_flags; 371 ), 372 373 TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s", 374 __entry->nid, __entry->zid, 375 __entry->nr_scanned, __entry->nr_reclaimed, 376 __entry->priority, 377 show_reclaim_flags(__entry->reclaim_flags)) 378 ); 379 380 #endif /* _TRACE_VMSCAN_H */ 381 382 /* This part must be outside protection */ 383 #include <trace/define_trace.h> 384