2 #define TRACE_SYSTEM vmscan
4 #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_VMSCAN_H
7 #include <linux/types.h>
8 #include <linux/tracepoint.h>
10 #include <linux/memcontrol.h>
11 #include <trace/events/mmflags.h>
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 #define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE)
20 #define show_reclaim_flags(flags) \
21 (flags) ? __print_flags(flags, "|", \
22 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \
23 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \
24 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \
25 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \
26 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \
29 #define trace_reclaim_flags(page) ( \
30 (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
34 #define trace_shrink_flags(file) \
36 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
40 TRACE_EVENT(mm_vmscan_kswapd_sleep,
54 TP_printk("nid=%d", __entry->nid)
57 TRACE_EVENT(mm_vmscan_kswapd_wake,
59 TP_PROTO(int nid, int zid, int order),
61 TP_ARGS(nid, zid, order),
72 __entry->order = order;
75 TP_printk("nid=%d zid=%d order=%d", __entry->nid, __entry->zid, __entry->order)
78 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
80 TP_PROTO(int nid, int zid, int order),
82 TP_ARGS(nid, zid, order),
93 __entry->order = order;
96 TP_printk("nid=%d zid=%d order=%d",
102 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
104 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
106 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx),
109 __field( int, order )
110 __field( int, may_writepage )
111 __field( gfp_t, gfp_flags )
112 __field( int, classzone_idx )
116 __entry->order = order;
117 __entry->may_writepage = may_writepage;
118 __entry->gfp_flags = gfp_flags;
119 __entry->classzone_idx = classzone_idx;
122 TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d",
124 __entry->may_writepage,
125 show_gfp_flags(__entry->gfp_flags),
126 __entry->classzone_idx)
129 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
131 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
133 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
136 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
138 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
140 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
143 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
145 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
147 TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
150 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
152 TP_PROTO(unsigned long nr_reclaimed),
154 TP_ARGS(nr_reclaimed),
157 __field( unsigned long, nr_reclaimed )
161 __entry->nr_reclaimed = nr_reclaimed;
164 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
167 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
169 TP_PROTO(unsigned long nr_reclaimed),
171 TP_ARGS(nr_reclaimed)
174 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
176 TP_PROTO(unsigned long nr_reclaimed),
178 TP_ARGS(nr_reclaimed)
181 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
183 TP_PROTO(unsigned long nr_reclaimed),
185 TP_ARGS(nr_reclaimed)
188 TRACE_EVENT(mm_shrink_slab_start,
189 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
190 long nr_objects_to_shrink, unsigned long pgs_scanned,
191 unsigned long lru_pgs, unsigned long cache_items,
192 unsigned long long delta, unsigned long total_scan),
194 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
195 cache_items, delta, total_scan),
198 __field(struct shrinker *, shr)
199 __field(void *, shrink)
201 __field(long, nr_objects_to_shrink)
202 __field(gfp_t, gfp_flags)
203 __field(unsigned long, pgs_scanned)
204 __field(unsigned long, lru_pgs)
205 __field(unsigned long, cache_items)
206 __field(unsigned long long, delta)
207 __field(unsigned long, total_scan)
212 __entry->shrink = shr->scan_objects;
213 __entry->nid = sc->nid;
214 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
215 __entry->gfp_flags = sc->gfp_mask;
216 __entry->pgs_scanned = pgs_scanned;
217 __entry->lru_pgs = lru_pgs;
218 __entry->cache_items = cache_items;
219 __entry->delta = delta;
220 __entry->total_scan = total_scan;
223 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",
227 __entry->nr_objects_to_shrink,
228 show_gfp_flags(__entry->gfp_flags),
229 __entry->pgs_scanned,
231 __entry->cache_items,
236 TRACE_EVENT(mm_shrink_slab_end,
237 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
238 long unused_scan_cnt, long new_scan_cnt, long total_scan),
240 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
244 __field(struct shrinker *, shr)
246 __field(void *, shrink)
247 __field(long, unused_scan)
248 __field(long, new_scan)
250 __field(long, total_scan)
256 __entry->shrink = shr->scan_objects;
257 __entry->unused_scan = unused_scan_cnt;
258 __entry->new_scan = new_scan_cnt;
259 __entry->retval = shrinker_retval;
260 __entry->total_scan = total_scan;
263 TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
267 __entry->unused_scan,
273 TRACE_EVENT(mm_vmscan_lru_isolate,
274 TP_PROTO(int classzone_idx,
276 unsigned long nr_requested,
277 unsigned long nr_scanned,
278 unsigned long nr_skipped,
279 unsigned long nr_taken,
280 isolate_mode_t isolate_mode,
283 TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
286 __field(int, classzone_idx)
288 __field(unsigned long, nr_requested)
289 __field(unsigned long, nr_scanned)
290 __field(unsigned long, nr_skipped)
291 __field(unsigned long, nr_taken)
292 __field(isolate_mode_t, isolate_mode)
297 __entry->classzone_idx = classzone_idx;
298 __entry->order = order;
299 __entry->nr_requested = nr_requested;
300 __entry->nr_scanned = nr_scanned;
301 __entry->nr_skipped = nr_skipped;
302 __entry->nr_taken = nr_taken;
303 __entry->isolate_mode = isolate_mode;
307 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
308 __entry->isolate_mode,
309 __entry->classzone_idx,
311 __entry->nr_requested,
315 __print_symbolic(__entry->lru, LRU_NAMES))
318 TRACE_EVENT(mm_vmscan_writepage,
320 TP_PROTO(struct page *page),
325 __field(unsigned long, pfn)
326 __field(int, reclaim_flags)
330 __entry->pfn = page_to_pfn(page);
331 __entry->reclaim_flags = trace_reclaim_flags(page);
334 TP_printk("page=%p pfn=%lu flags=%s",
335 pfn_to_page(__entry->pfn),
337 show_reclaim_flags(__entry->reclaim_flags))
340 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
343 unsigned long nr_scanned, unsigned long nr_reclaimed,
344 unsigned long nr_dirty, unsigned long nr_writeback,
345 unsigned long nr_congested, unsigned long nr_immediate,
346 unsigned long nr_activate, unsigned long nr_ref_keep,
347 unsigned long nr_unmap_fail,
348 int priority, int file),
350 TP_ARGS(nid, nr_scanned, nr_reclaimed, nr_dirty, nr_writeback,
351 nr_congested, nr_immediate, nr_activate, nr_ref_keep,
352 nr_unmap_fail, priority, file),
356 __field(unsigned long, nr_scanned)
357 __field(unsigned long, nr_reclaimed)
358 __field(unsigned long, nr_dirty)
359 __field(unsigned long, nr_writeback)
360 __field(unsigned long, nr_congested)
361 __field(unsigned long, nr_immediate)
362 __field(unsigned long, nr_activate)
363 __field(unsigned long, nr_ref_keep)
364 __field(unsigned long, nr_unmap_fail)
365 __field(int, priority)
366 __field(int, reclaim_flags)
371 __entry->nr_scanned = nr_scanned;
372 __entry->nr_reclaimed = nr_reclaimed;
373 __entry->nr_dirty = nr_dirty;
374 __entry->nr_writeback = nr_writeback;
375 __entry->nr_congested = nr_congested;
376 __entry->nr_immediate = nr_immediate;
377 __entry->nr_activate = nr_activate;
378 __entry->nr_ref_keep = nr_ref_keep;
379 __entry->nr_unmap_fail = nr_unmap_fail;
380 __entry->priority = priority;
381 __entry->reclaim_flags = trace_shrink_flags(file);
384 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",
386 __entry->nr_scanned, __entry->nr_reclaimed,
387 __entry->nr_dirty, __entry->nr_writeback,
388 __entry->nr_congested, __entry->nr_immediate,
389 __entry->nr_activate, __entry->nr_ref_keep,
390 __entry->nr_unmap_fail, __entry->priority,
391 show_reclaim_flags(__entry->reclaim_flags))
394 TRACE_EVENT(mm_vmscan_lru_shrink_active,
396 TP_PROTO(int nid, unsigned long nr_taken,
397 unsigned long nr_active, unsigned long nr_deactivated,
398 unsigned long nr_referenced, int priority, int file),
400 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
404 __field(unsigned long, nr_taken)
405 __field(unsigned long, nr_active)
406 __field(unsigned long, nr_deactivated)
407 __field(unsigned long, nr_referenced)
408 __field(int, priority)
409 __field(int, reclaim_flags)
414 __entry->nr_taken = nr_taken;
415 __entry->nr_active = nr_active;
416 __entry->nr_deactivated = nr_deactivated;
417 __entry->nr_referenced = nr_referenced;
418 __entry->priority = priority;
419 __entry->reclaim_flags = trace_shrink_flags(file);
422 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
425 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
427 show_reclaim_flags(__entry->reclaim_flags))
430 TRACE_EVENT(mm_vmscan_inactive_list_is_low,
432 TP_PROTO(int nid, int reclaim_idx,
433 unsigned long total_inactive, unsigned long inactive,
434 unsigned long total_active, unsigned long active,
435 unsigned long ratio, int file),
437 TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
441 __field(int, reclaim_idx)
442 __field(unsigned long, total_inactive)
443 __field(unsigned long, inactive)
444 __field(unsigned long, total_active)
445 __field(unsigned long, active)
446 __field(unsigned long, ratio)
447 __field(int, reclaim_flags)
452 __entry->reclaim_idx = reclaim_idx;
453 __entry->total_inactive = total_inactive;
454 __entry->inactive = inactive;
455 __entry->total_active = total_active;
456 __entry->active = active;
457 __entry->ratio = ratio;
458 __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
461 TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
463 __entry->reclaim_idx,
464 __entry->total_inactive, __entry->inactive,
465 __entry->total_active, __entry->active,
467 show_reclaim_flags(__entry->reclaim_flags))
469 #endif /* _TRACE_VMSCAN_H */
471 /* This part must be outside protection */
472 #include <trace/define_trace.h>