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 _VMSCAN_THROTTLE_WRITEBACK (1 << VMSCAN_THROTTLE_WRITEBACK)
31 #define _VMSCAN_THROTTLE_ISOLATED (1 << VMSCAN_THROTTLE_ISOLATED)
32 #define _VMSCAN_THROTTLE_NOPROGRESS (1 << VMSCAN_THROTTLE_NOPROGRESS)
33 #define _VMSCAN_THROTTLE_CONGESTED (1 << VMSCAN_THROTTLE_CONGESTED)
35 #define show_throttle_flags(flags) \
36 (flags) ? __print_flags(flags, "|", \
37 {_VMSCAN_THROTTLE_WRITEBACK, "VMSCAN_THROTTLE_WRITEBACK"}, \
38 {_VMSCAN_THROTTLE_ISOLATED, "VMSCAN_THROTTLE_ISOLATED"}, \
39 {_VMSCAN_THROTTLE_NOPROGRESS, "VMSCAN_THROTTLE_NOPROGRESS"}, \
40 {_VMSCAN_THROTTLE_CONGESTED, "VMSCAN_THROTTLE_CONGESTED"} \
41 ) : "VMSCAN_THROTTLE_NONE"
44 #define trace_reclaim_flags(file) ( \
45 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
49 TRACE_EVENT(mm_vmscan_kswapd_sleep,
63 TP_printk("nid=%d", __entry->nid)
66 TRACE_EVENT(mm_vmscan_kswapd_wake,
68 TP_PROTO(int nid, int zid, int order),
70 TP_ARGS(nid, zid, order),
81 __entry->order = order;
84 TP_printk("nid=%d order=%d",
89 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
91 TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags),
93 TP_ARGS(nid, zid, order, gfp_flags),
99 __field( gfp_t, gfp_flags )
105 __entry->order = order;
106 __entry->gfp_flags = gfp_flags;
109 TP_printk("nid=%d order=%d gfp_flags=%s",
112 show_gfp_flags(__entry->gfp_flags))
115 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
117 TP_PROTO(int order, gfp_t gfp_flags),
119 TP_ARGS(order, gfp_flags),
122 __field( int, order )
123 __field( gfp_t, gfp_flags )
127 __entry->order = order;
128 __entry->gfp_flags = gfp_flags;
131 TP_printk("order=%d gfp_flags=%s",
133 show_gfp_flags(__entry->gfp_flags))
136 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
138 TP_PROTO(int order, gfp_t gfp_flags),
140 TP_ARGS(order, gfp_flags)
144 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
146 TP_PROTO(int order, gfp_t gfp_flags),
148 TP_ARGS(order, gfp_flags)
151 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
153 TP_PROTO(int order, gfp_t gfp_flags),
155 TP_ARGS(order, gfp_flags)
157 #endif /* CONFIG_MEMCG */
159 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
161 TP_PROTO(unsigned long nr_reclaimed),
163 TP_ARGS(nr_reclaimed),
166 __field( unsigned long, nr_reclaimed )
170 __entry->nr_reclaimed = nr_reclaimed;
173 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
176 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
178 TP_PROTO(unsigned long nr_reclaimed),
180 TP_ARGS(nr_reclaimed)
184 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
186 TP_PROTO(unsigned long nr_reclaimed),
188 TP_ARGS(nr_reclaimed)
191 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
193 TP_PROTO(unsigned long nr_reclaimed),
195 TP_ARGS(nr_reclaimed)
197 #endif /* CONFIG_MEMCG */
199 TRACE_EVENT(mm_shrink_slab_start,
200 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
201 long nr_objects_to_shrink, unsigned long cache_items,
202 unsigned long long delta, unsigned long total_scan,
205 TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
209 __field(struct shrinker *, shr)
210 __field(void *, shrink)
212 __field(long, nr_objects_to_shrink)
213 __field(gfp_t, gfp_flags)
214 __field(unsigned long, cache_items)
215 __field(unsigned long long, delta)
216 __field(unsigned long, total_scan)
217 __field(int, priority)
222 __entry->shrink = shr->scan_objects;
223 __entry->nid = sc->nid;
224 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
225 __entry->gfp_flags = sc->gfp_mask;
226 __entry->cache_items = cache_items;
227 __entry->delta = delta;
228 __entry->total_scan = total_scan;
229 __entry->priority = priority;
232 TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
236 __entry->nr_objects_to_shrink,
237 show_gfp_flags(__entry->gfp_flags),
238 __entry->cache_items,
244 TRACE_EVENT(mm_shrink_slab_end,
245 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
246 long unused_scan_cnt, long new_scan_cnt, long total_scan),
248 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
252 __field(struct shrinker *, shr)
254 __field(void *, shrink)
255 __field(long, unused_scan)
256 __field(long, new_scan)
258 __field(long, total_scan)
264 __entry->shrink = shr->scan_objects;
265 __entry->unused_scan = unused_scan_cnt;
266 __entry->new_scan = new_scan_cnt;
267 __entry->retval = shrinker_retval;
268 __entry->total_scan = total_scan;
271 TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
275 __entry->unused_scan,
281 TRACE_EVENT(mm_vmscan_lru_isolate,
282 TP_PROTO(int highest_zoneidx,
284 unsigned long nr_requested,
285 unsigned long nr_scanned,
286 unsigned long nr_skipped,
287 unsigned long nr_taken,
288 isolate_mode_t isolate_mode,
291 TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
294 __field(int, highest_zoneidx)
296 __field(unsigned long, nr_requested)
297 __field(unsigned long, nr_scanned)
298 __field(unsigned long, nr_skipped)
299 __field(unsigned long, nr_taken)
300 __field(isolate_mode_t, isolate_mode)
305 __entry->highest_zoneidx = highest_zoneidx;
306 __entry->order = order;
307 __entry->nr_requested = nr_requested;
308 __entry->nr_scanned = nr_scanned;
309 __entry->nr_skipped = nr_skipped;
310 __entry->nr_taken = nr_taken;
311 __entry->isolate_mode = isolate_mode;
316 * classzone is previous name of the highest_zoneidx.
317 * Reason not to change it is the ABI requirement of the tracepoint.
319 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
320 __entry->isolate_mode,
321 __entry->highest_zoneidx,
323 __entry->nr_requested,
327 __print_symbolic(__entry->lru, LRU_NAMES))
330 TRACE_EVENT(mm_vmscan_writepage,
332 TP_PROTO(struct page *page),
337 __field(unsigned long, pfn)
338 __field(int, reclaim_flags)
342 __entry->pfn = page_to_pfn(page);
343 __entry->reclaim_flags = trace_reclaim_flags(
344 page_is_file_lru(page));
347 TP_printk("page=%p pfn=0x%lx flags=%s",
348 pfn_to_page(__entry->pfn),
350 show_reclaim_flags(__entry->reclaim_flags))
353 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
356 unsigned long nr_scanned, unsigned long nr_reclaimed,
357 struct reclaim_stat *stat, int priority, int file),
359 TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file),
363 __field(unsigned long, nr_scanned)
364 __field(unsigned long, nr_reclaimed)
365 __field(unsigned long, nr_dirty)
366 __field(unsigned long, nr_writeback)
367 __field(unsigned long, nr_congested)
368 __field(unsigned long, nr_immediate)
369 __field(unsigned int, nr_activate0)
370 __field(unsigned int, nr_activate1)
371 __field(unsigned long, nr_ref_keep)
372 __field(unsigned long, nr_unmap_fail)
373 __field(int, priority)
374 __field(int, reclaim_flags)
379 __entry->nr_scanned = nr_scanned;
380 __entry->nr_reclaimed = nr_reclaimed;
381 __entry->nr_dirty = stat->nr_dirty;
382 __entry->nr_writeback = stat->nr_writeback;
383 __entry->nr_congested = stat->nr_congested;
384 __entry->nr_immediate = stat->nr_immediate;
385 __entry->nr_activate0 = stat->nr_activate[0];
386 __entry->nr_activate1 = stat->nr_activate[1];
387 __entry->nr_ref_keep = stat->nr_ref_keep;
388 __entry->nr_unmap_fail = stat->nr_unmap_fail;
389 __entry->priority = priority;
390 __entry->reclaim_flags = trace_reclaim_flags(file);
393 TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s",
395 __entry->nr_scanned, __entry->nr_reclaimed,
396 __entry->nr_dirty, __entry->nr_writeback,
397 __entry->nr_congested, __entry->nr_immediate,
398 __entry->nr_activate0, __entry->nr_activate1,
399 __entry->nr_ref_keep, __entry->nr_unmap_fail,
401 show_reclaim_flags(__entry->reclaim_flags))
404 TRACE_EVENT(mm_vmscan_lru_shrink_active,
406 TP_PROTO(int nid, unsigned long nr_taken,
407 unsigned long nr_active, unsigned long nr_deactivated,
408 unsigned long nr_referenced, int priority, int file),
410 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
414 __field(unsigned long, nr_taken)
415 __field(unsigned long, nr_active)
416 __field(unsigned long, nr_deactivated)
417 __field(unsigned long, nr_referenced)
418 __field(int, priority)
419 __field(int, reclaim_flags)
424 __entry->nr_taken = nr_taken;
425 __entry->nr_active = nr_active;
426 __entry->nr_deactivated = nr_deactivated;
427 __entry->nr_referenced = nr_referenced;
428 __entry->priority = priority;
429 __entry->reclaim_flags = trace_reclaim_flags(file);
432 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
435 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
437 show_reclaim_flags(__entry->reclaim_flags))
440 TRACE_EVENT(mm_vmscan_node_reclaim_begin,
442 TP_PROTO(int nid, int order, gfp_t gfp_flags),
444 TP_ARGS(nid, order, gfp_flags),
449 __field(gfp_t, gfp_flags)
454 __entry->order = order;
455 __entry->gfp_flags = gfp_flags;
458 TP_printk("nid=%d order=%d gfp_flags=%s",
461 show_gfp_flags(__entry->gfp_flags))
464 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
466 TP_PROTO(unsigned long nr_reclaimed),
468 TP_ARGS(nr_reclaimed)
471 TRACE_EVENT(mm_vmscan_throttled,
473 TP_PROTO(int nid, int usec_timeout, int usec_delayed, int reason),
475 TP_ARGS(nid, usec_timeout, usec_delayed, reason),
479 __field(int, usec_timeout)
480 __field(int, usec_delayed)
486 __entry->usec_timeout = usec_timeout;
487 __entry->usec_delayed = usec_delayed;
488 __entry->reason = 1U << reason;
491 TP_printk("nid=%d usec_timeout=%d usect_delayed=%d reason=%s",
493 __entry->usec_timeout,
494 __entry->usec_delayed,
495 show_throttle_flags(__entry->reason))
497 #endif /* _TRACE_VMSCAN_H */
499 /* This part must be outside protection */
500 #include <trace/define_trace.h>