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),
83 TP_ARGS(nid, zid, order),
94 __entry->order = order;
97 TP_printk("nid=%d zid=%d order=%d",
103 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
105 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
107 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx),
110 __field( int, order )
111 __field( int, may_writepage )
112 __field( gfp_t, gfp_flags )
113 __field( int, classzone_idx )
117 __entry->order = order;
118 __entry->may_writepage = may_writepage;
119 __entry->gfp_flags = gfp_flags;
120 __entry->classzone_idx = classzone_idx;
123 TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d",
125 __entry->may_writepage,
126 show_gfp_flags(__entry->gfp_flags),
127 __entry->classzone_idx)
130 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
132 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
134 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
137 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
139 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
141 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
144 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
146 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
148 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
151 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
153 TP_PROTO(unsigned long nr_reclaimed),
155 TP_ARGS(nr_reclaimed),
158 __field( unsigned long, nr_reclaimed )
162 __entry->nr_reclaimed = nr_reclaimed;
165 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
168 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
170 TP_PROTO(unsigned long nr_reclaimed),
172 TP_ARGS(nr_reclaimed)
175 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
177 TP_PROTO(unsigned long nr_reclaimed),
179 TP_ARGS(nr_reclaimed)
182 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
184 TP_PROTO(unsigned long nr_reclaimed),
186 TP_ARGS(nr_reclaimed)
189 TRACE_EVENT(mm_shrink_slab_start,
190 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
191 long nr_objects_to_shrink, unsigned long pgs_scanned,
192 unsigned long lru_pgs, unsigned long cache_items,
193 unsigned long long delta, unsigned long total_scan),
195 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
196 cache_items, delta, total_scan),
199 __field(struct shrinker *, shr)
200 __field(void *, shrink)
202 __field(long, nr_objects_to_shrink)
203 __field(gfp_t, gfp_flags)
204 __field(unsigned long, pgs_scanned)
205 __field(unsigned long, lru_pgs)
206 __field(unsigned long, cache_items)
207 __field(unsigned long long, delta)
208 __field(unsigned long, total_scan)
213 __entry->shrink = shr->scan_objects;
214 __entry->nid = sc->nid;
215 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
216 __entry->gfp_flags = sc->gfp_mask;
217 __entry->pgs_scanned = pgs_scanned;
218 __entry->lru_pgs = lru_pgs;
219 __entry->cache_items = cache_items;
220 __entry->delta = delta;
221 __entry->total_scan = total_scan;
224 TP_printk("%pF %p: nid: %d objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld",
228 __entry->nr_objects_to_shrink,
229 show_gfp_flags(__entry->gfp_flags),
230 __entry->pgs_scanned,
232 __entry->cache_items,
237 TRACE_EVENT(mm_shrink_slab_end,
238 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
239 long unused_scan_cnt, long new_scan_cnt, long total_scan),
241 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
245 __field(struct shrinker *, shr)
247 __field(void *, shrink)
248 __field(long, unused_scan)
249 __field(long, new_scan)
251 __field(long, total_scan)
257 __entry->shrink = shr->scan_objects;
258 __entry->unused_scan = unused_scan_cnt;
259 __entry->new_scan = new_scan_cnt;
260 __entry->retval = shrinker_retval;
261 __entry->total_scan = total_scan;
264 TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
268 __entry->unused_scan,
274 TRACE_EVENT(mm_vmscan_lru_isolate,
275 TP_PROTO(int classzone_idx,
277 unsigned long nr_requested,
278 unsigned long nr_scanned,
279 unsigned long nr_skipped,
280 unsigned long nr_taken,
281 isolate_mode_t isolate_mode,
284 TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
287 __field(int, classzone_idx)
289 __field(unsigned long, nr_requested)
290 __field(unsigned long, nr_scanned)
291 __field(unsigned long, nr_skipped)
292 __field(unsigned long, nr_taken)
293 __field(isolate_mode_t, isolate_mode)
298 __entry->classzone_idx = classzone_idx;
299 __entry->order = order;
300 __entry->nr_requested = nr_requested;
301 __entry->nr_scanned = nr_scanned;
302 __entry->nr_skipped = nr_skipped;
303 __entry->nr_taken = nr_taken;
304 __entry->isolate_mode = isolate_mode;
308 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
309 __entry->isolate_mode,
310 __entry->classzone_idx,
312 __entry->nr_requested,
316 __print_symbolic(__entry->lru, LRU_NAMES))
319 TRACE_EVENT(mm_vmscan_writepage,
321 TP_PROTO(struct page *page),
326 __field(unsigned long, pfn)
327 __field(int, reclaim_flags)
331 __entry->pfn = page_to_pfn(page);
332 __entry->reclaim_flags = trace_reclaim_flags(page);
335 TP_printk("page=%p pfn=%lu flags=%s",
336 pfn_to_page(__entry->pfn),
338 show_reclaim_flags(__entry->reclaim_flags))
341 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
344 unsigned long nr_scanned, unsigned long nr_reclaimed,
345 unsigned long nr_dirty, unsigned long nr_writeback,
346 unsigned long nr_congested, unsigned long nr_immediate,
347 unsigned long nr_activate, unsigned long nr_ref_keep,
348 unsigned long nr_unmap_fail,
349 int priority, int file),
351 TP_ARGS(nid, nr_scanned, nr_reclaimed, nr_dirty, nr_writeback,
352 nr_congested, nr_immediate, nr_activate, nr_ref_keep,
353 nr_unmap_fail, priority, file),
357 __field(unsigned long, nr_scanned)
358 __field(unsigned long, nr_reclaimed)
359 __field(unsigned long, nr_dirty)
360 __field(unsigned long, nr_writeback)
361 __field(unsigned long, nr_congested)
362 __field(unsigned long, nr_immediate)
363 __field(unsigned long, nr_activate)
364 __field(unsigned long, nr_ref_keep)
365 __field(unsigned long, nr_unmap_fail)
366 __field(int, priority)
367 __field(int, reclaim_flags)
372 __entry->nr_scanned = nr_scanned;
373 __entry->nr_reclaimed = nr_reclaimed;
374 __entry->nr_dirty = nr_dirty;
375 __entry->nr_writeback = nr_writeback;
376 __entry->nr_congested = nr_congested;
377 __entry->nr_immediate = nr_immediate;
378 __entry->nr_activate = nr_activate;
379 __entry->nr_ref_keep = nr_ref_keep;
380 __entry->nr_unmap_fail = nr_unmap_fail;
381 __entry->priority = priority;
382 __entry->reclaim_flags = trace_shrink_flags(file);
385 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",
387 __entry->nr_scanned, __entry->nr_reclaimed,
388 __entry->nr_dirty, __entry->nr_writeback,
389 __entry->nr_congested, __entry->nr_immediate,
390 __entry->nr_activate, __entry->nr_ref_keep,
391 __entry->nr_unmap_fail, __entry->priority,
392 show_reclaim_flags(__entry->reclaim_flags))
395 TRACE_EVENT(mm_vmscan_lru_shrink_active,
397 TP_PROTO(int nid, unsigned long nr_taken,
398 unsigned long nr_active, unsigned long nr_deactivated,
399 unsigned long nr_referenced, int priority, int file),
401 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
405 __field(unsigned long, nr_taken)
406 __field(unsigned long, nr_active)
407 __field(unsigned long, nr_deactivated)
408 __field(unsigned long, nr_referenced)
409 __field(int, priority)
410 __field(int, reclaim_flags)
415 __entry->nr_taken = nr_taken;
416 __entry->nr_active = nr_active;
417 __entry->nr_deactivated = nr_deactivated;
418 __entry->nr_referenced = nr_referenced;
419 __entry->priority = priority;
420 __entry->reclaim_flags = trace_shrink_flags(file);
423 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
426 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
428 show_reclaim_flags(__entry->reclaim_flags))
431 TRACE_EVENT(mm_vmscan_inactive_list_is_low,
433 TP_PROTO(int nid, int reclaim_idx,
434 unsigned long total_inactive, unsigned long inactive,
435 unsigned long total_active, unsigned long active,
436 unsigned long ratio, int file),
438 TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
442 __field(int, reclaim_idx)
443 __field(unsigned long, total_inactive)
444 __field(unsigned long, inactive)
445 __field(unsigned long, total_active)
446 __field(unsigned long, active)
447 __field(unsigned long, ratio)
448 __field(int, reclaim_flags)
453 __entry->reclaim_idx = reclaim_idx;
454 __entry->total_inactive = total_inactive;
455 __entry->inactive = inactive;
456 __entry->total_active = total_active;
457 __entry->active = active;
458 __entry->ratio = ratio;
459 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
462 TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
464 __entry->reclaim_idx,
465 __entry->total_inactive, __entry->inactive,
466 __entry->total_active, __entry->active,
468 show_reclaim_flags(__entry->reclaim_flags))
470 #endif /* _TRACE_VMSCAN_H */
472 /* This part must be outside protection */
473 #include <trace/define_trace.h>