1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM vmscan
5 #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_VMSCAN_H
8 #include <linux/types.h>
9 #include <linux/tracepoint.h>
11 #include <linux/memcontrol.h>
12 #include <trace/events/mmflags.h>
14 #define RECLAIM_WB_ANON 0x0001u
15 #define RECLAIM_WB_FILE 0x0002u
16 #define RECLAIM_WB_MIXED 0x0010u
17 #define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */
18 #define RECLAIM_WB_ASYNC 0x0008u
19 #define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE)
21 #define show_reclaim_flags(flags) \
22 (flags) ? __print_flags(flags, "|", \
23 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \
24 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \
25 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \
26 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \
27 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \
30 #define trace_reclaim_flags(page) ( \
31 (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
35 #define trace_shrink_flags(file) \
37 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
41 TRACE_EVENT(mm_vmscan_kswapd_sleep,
55 TP_printk("nid=%d", __entry->nid)
58 TRACE_EVENT(mm_vmscan_kswapd_wake,
60 TP_PROTO(int nid, int zid, int order),
62 TP_ARGS(nid, zid, order),
73 __entry->order = order;
76 TP_printk("nid=%d zid=%d order=%d", __entry->nid, __entry->zid, __entry->order)
79 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
81 TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags),
83 TP_ARGS(nid, zid, order, gfp_flags),
89 __field( gfp_t, gfp_flags )
95 __entry->order = order;
96 __entry->gfp_flags = gfp_flags;
99 TP_printk("nid=%d zid=%d order=%d gfp_flags=%s",
103 show_gfp_flags(__entry->gfp_flags))
106 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
108 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
110 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx),
113 __field( int, order )
114 __field( int, may_writepage )
115 __field( gfp_t, gfp_flags )
116 __field( int, classzone_idx )
120 __entry->order = order;
121 __entry->may_writepage = may_writepage;
122 __entry->gfp_flags = gfp_flags;
123 __entry->classzone_idx = classzone_idx;
126 TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d",
128 __entry->may_writepage,
129 show_gfp_flags(__entry->gfp_flags),
130 __entry->classzone_idx)
133 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
135 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
137 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
141 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
143 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
145 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
148 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
150 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
152 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
154 #endif /* CONFIG_MEMCG */
156 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
158 TP_PROTO(unsigned long nr_reclaimed),
160 TP_ARGS(nr_reclaimed),
163 __field( unsigned long, nr_reclaimed )
167 __entry->nr_reclaimed = nr_reclaimed;
170 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
173 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
175 TP_PROTO(unsigned long nr_reclaimed),
177 TP_ARGS(nr_reclaimed)
181 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
183 TP_PROTO(unsigned long nr_reclaimed),
185 TP_ARGS(nr_reclaimed)
188 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
190 TP_PROTO(unsigned long nr_reclaimed),
192 TP_ARGS(nr_reclaimed)
194 #endif /* CONFIG_MEMCG */
196 TRACE_EVENT(mm_shrink_slab_start,
197 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
198 long nr_objects_to_shrink, unsigned long cache_items,
199 unsigned long long delta, unsigned long total_scan,
202 TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
206 __field(struct shrinker *, shr)
207 __field(void *, shrink)
209 __field(long, nr_objects_to_shrink)
210 __field(gfp_t, gfp_flags)
211 __field(unsigned long, cache_items)
212 __field(unsigned long long, delta)
213 __field(unsigned long, total_scan)
214 __field(int, priority)
219 __entry->shrink = shr->scan_objects;
220 __entry->nid = sc->nid;
221 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
222 __entry->gfp_flags = sc->gfp_mask;
223 __entry->cache_items = cache_items;
224 __entry->delta = delta;
225 __entry->total_scan = total_scan;
226 __entry->priority = priority;
229 TP_printk("%pF %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
233 __entry->nr_objects_to_shrink,
234 show_gfp_flags(__entry->gfp_flags),
235 __entry->cache_items,
241 TRACE_EVENT(mm_shrink_slab_end,
242 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
243 long unused_scan_cnt, long new_scan_cnt, long total_scan),
245 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
249 __field(struct shrinker *, shr)
251 __field(void *, shrink)
252 __field(long, unused_scan)
253 __field(long, new_scan)
255 __field(long, total_scan)
261 __entry->shrink = shr->scan_objects;
262 __entry->unused_scan = unused_scan_cnt;
263 __entry->new_scan = new_scan_cnt;
264 __entry->retval = shrinker_retval;
265 __entry->total_scan = total_scan;
268 TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
272 __entry->unused_scan,
278 TRACE_EVENT(mm_vmscan_lru_isolate,
279 TP_PROTO(int classzone_idx,
281 unsigned long nr_requested,
282 unsigned long nr_scanned,
283 unsigned long nr_skipped,
284 unsigned long nr_taken,
285 isolate_mode_t isolate_mode,
288 TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
291 __field(int, classzone_idx)
293 __field(unsigned long, nr_requested)
294 __field(unsigned long, nr_scanned)
295 __field(unsigned long, nr_skipped)
296 __field(unsigned long, nr_taken)
297 __field(isolate_mode_t, isolate_mode)
302 __entry->classzone_idx = classzone_idx;
303 __entry->order = order;
304 __entry->nr_requested = nr_requested;
305 __entry->nr_scanned = nr_scanned;
306 __entry->nr_skipped = nr_skipped;
307 __entry->nr_taken = nr_taken;
308 __entry->isolate_mode = isolate_mode;
312 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
313 __entry->isolate_mode,
314 __entry->classzone_idx,
316 __entry->nr_requested,
320 __print_symbolic(__entry->lru, LRU_NAMES))
323 TRACE_EVENT(mm_vmscan_writepage,
325 TP_PROTO(struct page *page),
330 __field(unsigned long, pfn)
331 __field(int, reclaim_flags)
335 __entry->pfn = page_to_pfn(page);
336 __entry->reclaim_flags = trace_reclaim_flags(page);
339 TP_printk("page=%p pfn=%lu flags=%s",
340 pfn_to_page(__entry->pfn),
342 show_reclaim_flags(__entry->reclaim_flags))
345 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
348 unsigned long nr_scanned, unsigned long nr_reclaimed,
349 struct reclaim_stat *stat, int priority, int file),
351 TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file),
355 __field(unsigned long, nr_scanned)
356 __field(unsigned long, nr_reclaimed)
357 __field(unsigned long, nr_dirty)
358 __field(unsigned long, nr_writeback)
359 __field(unsigned long, nr_congested)
360 __field(unsigned long, nr_immediate)
361 __field(unsigned long, nr_activate)
362 __field(unsigned long, nr_ref_keep)
363 __field(unsigned long, nr_unmap_fail)
364 __field(int, priority)
365 __field(int, reclaim_flags)
370 __entry->nr_scanned = nr_scanned;
371 __entry->nr_reclaimed = nr_reclaimed;
372 __entry->nr_dirty = stat->nr_dirty;
373 __entry->nr_writeback = stat->nr_writeback;
374 __entry->nr_congested = stat->nr_congested;
375 __entry->nr_immediate = stat->nr_immediate;
376 __entry->nr_activate = stat->nr_activate;
377 __entry->nr_ref_keep = stat->nr_ref_keep;
378 __entry->nr_unmap_fail = stat->nr_unmap_fail;
379 __entry->priority = priority;
380 __entry->reclaim_flags = trace_shrink_flags(file);
383 TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate=%ld nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s",
385 __entry->nr_scanned, __entry->nr_reclaimed,
386 __entry->nr_dirty, __entry->nr_writeback,
387 __entry->nr_congested, __entry->nr_immediate,
388 __entry->nr_activate, __entry->nr_ref_keep,
389 __entry->nr_unmap_fail, __entry->priority,
390 show_reclaim_flags(__entry->reclaim_flags))
393 TRACE_EVENT(mm_vmscan_lru_shrink_active,
395 TP_PROTO(int nid, unsigned long nr_taken,
396 unsigned long nr_active, unsigned long nr_deactivated,
397 unsigned long nr_referenced, int priority, int file),
399 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
403 __field(unsigned long, nr_taken)
404 __field(unsigned long, nr_active)
405 __field(unsigned long, nr_deactivated)
406 __field(unsigned long, nr_referenced)
407 __field(int, priority)
408 __field(int, reclaim_flags)
413 __entry->nr_taken = nr_taken;
414 __entry->nr_active = nr_active;
415 __entry->nr_deactivated = nr_deactivated;
416 __entry->nr_referenced = nr_referenced;
417 __entry->priority = priority;
418 __entry->reclaim_flags = trace_shrink_flags(file);
421 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
424 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
426 show_reclaim_flags(__entry->reclaim_flags))
429 TRACE_EVENT(mm_vmscan_inactive_list_is_low,
431 TP_PROTO(int nid, int reclaim_idx,
432 unsigned long total_inactive, unsigned long inactive,
433 unsigned long total_active, unsigned long active,
434 unsigned long ratio, int file),
436 TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
440 __field(int, reclaim_idx)
441 __field(unsigned long, total_inactive)
442 __field(unsigned long, inactive)
443 __field(unsigned long, total_active)
444 __field(unsigned long, active)
445 __field(unsigned long, ratio)
446 __field(int, reclaim_flags)
451 __entry->reclaim_idx = reclaim_idx;
452 __entry->total_inactive = total_inactive;
453 __entry->inactive = inactive;
454 __entry->total_active = total_active;
455 __entry->active = active;
456 __entry->ratio = ratio;
457 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
460 TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
462 __entry->reclaim_idx,
463 __entry->total_inactive, __entry->inactive,
464 __entry->total_active, __entry->active,
466 show_reclaim_flags(__entry->reclaim_flags))
468 #endif /* _TRACE_VMSCAN_H */
470 /* This part must be outside protection */
471 #include <trace/define_trace.h>