diff options
Diffstat (limited to 'include/trace/events/vmscan.h')
| -rw-r--r-- | include/trace/events/vmscan.h | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h new file mode 100644 index 000000000..d2123dd96 --- /dev/null +++ b/include/trace/events/vmscan.h @@ -0,0 +1,500 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM vmscan + +#if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_VMSCAN_H + +#include <linux/types.h> +#include <linux/tracepoint.h> +#include <linux/mm.h> +#include <linux/memcontrol.h> +#include <trace/events/mmflags.h> + +#define RECLAIM_WB_ANON 0x0001u +#define RECLAIM_WB_FILE 0x0002u +#define RECLAIM_WB_MIXED 0x0010u +#define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */ +#define RECLAIM_WB_ASYNC 0x0008u +#define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE) + +#define show_reclaim_flags(flags) \ + (flags) ? __print_flags(flags, "|", \ + {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \ + {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \ + {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \ + {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \ + {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \ + ) : "RECLAIM_WB_NONE" + +#define _VMSCAN_THROTTLE_WRITEBACK (1 << VMSCAN_THROTTLE_WRITEBACK) +#define _VMSCAN_THROTTLE_ISOLATED (1 << VMSCAN_THROTTLE_ISOLATED) +#define _VMSCAN_THROTTLE_NOPROGRESS (1 << VMSCAN_THROTTLE_NOPROGRESS) +#define _VMSCAN_THROTTLE_CONGESTED (1 << VMSCAN_THROTTLE_CONGESTED) + +#define show_throttle_flags(flags) \ + (flags) ? __print_flags(flags, "|", \ + {_VMSCAN_THROTTLE_WRITEBACK, "VMSCAN_THROTTLE_WRITEBACK"}, \ + {_VMSCAN_THROTTLE_ISOLATED, "VMSCAN_THROTTLE_ISOLATED"}, \ + {_VMSCAN_THROTTLE_NOPROGRESS, "VMSCAN_THROTTLE_NOPROGRESS"}, \ + {_VMSCAN_THROTTLE_CONGESTED, "VMSCAN_THROTTLE_CONGESTED"} \ + ) : "VMSCAN_THROTTLE_NONE" + + +#define trace_reclaim_flags(file) ( \ + (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ + (RECLAIM_WB_ASYNC) \ + ) + +TRACE_EVENT(mm_vmscan_kswapd_sleep, + + TP_PROTO(int nid), + + TP_ARGS(nid), + + TP_STRUCT__entry( + __field( int, nid ) + ), + + TP_fast_assign( + __entry->nid = nid; + ), + + TP_printk("nid=%d", __entry->nid) +); + +TRACE_EVENT(mm_vmscan_kswapd_wake, + + TP_PROTO(int nid, int zid, int order), + + TP_ARGS(nid, zid, order), + + TP_STRUCT__entry( + __field( int, nid ) + __field( int, zid ) + __field( int, order ) + ), + + TP_fast_assign( + __entry->nid = nid; + __entry->zid = zid; + __entry->order = order; + ), + + TP_printk("nid=%d order=%d", + __entry->nid, + __entry->order) +); + +TRACE_EVENT(mm_vmscan_wakeup_kswapd, + + TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags), + + TP_ARGS(nid, zid, order, gfp_flags), + + TP_STRUCT__entry( + __field( int, nid ) + __field( int, zid ) + __field( int, order ) + __field( unsigned long, gfp_flags ) + ), + + TP_fast_assign( + __entry->nid = nid; + __entry->zid = zid; + __entry->order = order; + __entry->gfp_flags = (__force unsigned long)gfp_flags; + ), + + TP_printk("nid=%d order=%d gfp_flags=%s", + __entry->nid, + __entry->order, + show_gfp_flags(__entry->gfp_flags)) +); + +DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template, + + TP_PROTO(int order, gfp_t gfp_flags), + + TP_ARGS(order, gfp_flags), + + TP_STRUCT__entry( + __field( int, order ) + __field( unsigned long, gfp_flags ) + ), + + TP_fast_assign( + __entry->order = order; + __entry->gfp_flags = (__force unsigned long)gfp_flags; + ), + + TP_printk("order=%d gfp_flags=%s", + __entry->order, + show_gfp_flags(__entry->gfp_flags)) +); + +DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin, + + TP_PROTO(int order, gfp_t gfp_flags), + + TP_ARGS(order, gfp_flags) +); + +#ifdef CONFIG_MEMCG +DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin, + + TP_PROTO(int order, gfp_t gfp_flags), + + TP_ARGS(order, gfp_flags) +); + +DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin, + + TP_PROTO(int order, gfp_t gfp_flags), + + TP_ARGS(order, gfp_flags) +); +#endif /* CONFIG_MEMCG */ + +DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template, + + TP_PROTO(unsigned long nr_reclaimed), + + TP_ARGS(nr_reclaimed), + + TP_STRUCT__entry( + __field( unsigned long, nr_reclaimed ) + ), + + TP_fast_assign( + __entry->nr_reclaimed = nr_reclaimed; + ), + + TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed) +); + +DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end, + + TP_PROTO(unsigned long nr_reclaimed), + + TP_ARGS(nr_reclaimed) +); + +#ifdef CONFIG_MEMCG +DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end, + + TP_PROTO(unsigned long nr_reclaimed), + + TP_ARGS(nr_reclaimed) +); + +DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end, + + TP_PROTO(unsigned long nr_reclaimed), + + TP_ARGS(nr_reclaimed) +); +#endif /* CONFIG_MEMCG */ + +TRACE_EVENT(mm_shrink_slab_start, + TP_PROTO(struct shrinker *shr, struct shrink_control *sc, + long nr_objects_to_shrink, unsigned long cache_items, + unsigned long long delta, unsigned long total_scan, + int priority), + + TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan, + priority), + + TP_STRUCT__entry( + __field(struct shrinker *, shr) + __field(void *, shrink) + __field(int, nid) + __field(long, nr_objects_to_shrink) + __field(unsigned long, gfp_flags) + __field(unsigned long, cache_items) + __field(unsigned long long, delta) + __field(unsigned long, total_scan) + __field(int, priority) + ), + + TP_fast_assign( + __entry->shr = shr; + __entry->shrink = shr->scan_objects; + __entry->nid = sc->nid; + __entry->nr_objects_to_shrink = nr_objects_to_shrink; + __entry->gfp_flags = (__force unsigned long)sc->gfp_mask; + __entry->cache_items = cache_items; + __entry->delta = delta; + __entry->total_scan = total_scan; + __entry->priority = priority; + ), + + TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d", + __entry->shrink, + __entry->shr, + __entry->nid, + __entry->nr_objects_to_shrink, + show_gfp_flags(__entry->gfp_flags), + __entry->cache_items, + __entry->delta, + __entry->total_scan, + __entry->priority) +); + +TRACE_EVENT(mm_shrink_slab_end, + TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval, + long unused_scan_cnt, long new_scan_cnt, long total_scan), + + TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt, + total_scan), + + TP_STRUCT__entry( + __field(struct shrinker *, shr) + __field(int, nid) + __field(void *, shrink) + __field(long, unused_scan) + __field(long, new_scan) + __field(int, retval) + __field(long, total_scan) + ), + + TP_fast_assign( + __entry->shr = shr; + __entry->nid = nid; + __entry->shrink = shr->scan_objects; + __entry->unused_scan = unused_scan_cnt; + __entry->new_scan = new_scan_cnt; + __entry->retval = shrinker_retval; + __entry->total_scan = total_scan; + ), + + TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d", + __entry->shrink, + __entry->shr, + __entry->nid, + __entry->unused_scan, + __entry->new_scan, + __entry->total_scan, + __entry->retval) +); + +TRACE_EVENT(mm_vmscan_lru_isolate, + TP_PROTO(int highest_zoneidx, + int order, + unsigned long nr_requested, + unsigned long nr_scanned, + unsigned long nr_skipped, + unsigned long nr_taken, + isolate_mode_t isolate_mode, + int lru), + + TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru), + + TP_STRUCT__entry( + __field(int, highest_zoneidx) + __field(int, order) + __field(unsigned long, nr_requested) + __field(unsigned long, nr_scanned) + __field(unsigned long, nr_skipped) + __field(unsigned long, nr_taken) + __field(unsigned int, isolate_mode) + __field(int, lru) + ), + + TP_fast_assign( + __entry->highest_zoneidx = highest_zoneidx; + __entry->order = order; + __entry->nr_requested = nr_requested; + __entry->nr_scanned = nr_scanned; + __entry->nr_skipped = nr_skipped; + __entry->nr_taken = nr_taken; + __entry->isolate_mode = (__force unsigned int)isolate_mode; + __entry->lru = lru; + ), + + /* + * classzone is previous name of the highest_zoneidx. + * Reason not to change it is the ABI requirement of the tracepoint. + */ + TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s", + __entry->isolate_mode, + __entry->highest_zoneidx, + __entry->order, + __entry->nr_requested, + __entry->nr_scanned, + __entry->nr_skipped, + __entry->nr_taken, + __print_symbolic(__entry->lru, LRU_NAMES)) +); + +TRACE_EVENT(mm_vmscan_write_folio, + + TP_PROTO(struct folio *folio), + + TP_ARGS(folio), + + TP_STRUCT__entry( + __field(unsigned long, pfn) + __field(int, reclaim_flags) + ), + + TP_fast_assign( + __entry->pfn = folio_pfn(folio); + __entry->reclaim_flags = trace_reclaim_flags( + folio_is_file_lru(folio)); + ), + + TP_printk("page=%p pfn=0x%lx flags=%s", + pfn_to_page(__entry->pfn), + __entry->pfn, + show_reclaim_flags(__entry->reclaim_flags)) +); + +TRACE_EVENT(mm_vmscan_lru_shrink_inactive, + + TP_PROTO(int nid, + unsigned long nr_scanned, unsigned long nr_reclaimed, + struct reclaim_stat *stat, int priority, int file), + + TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file), + + TP_STRUCT__entry( + __field(int, nid) + __field(unsigned long, nr_scanned) + __field(unsigned long, nr_reclaimed) + __field(unsigned long, nr_dirty) + __field(unsigned long, nr_writeback) + __field(unsigned long, nr_congested) + __field(unsigned long, nr_immediate) + __field(unsigned int, nr_activate0) + __field(unsigned int, nr_activate1) + __field(unsigned long, nr_ref_keep) + __field(unsigned long, nr_unmap_fail) + __field(int, priority) + __field(int, reclaim_flags) + ), + + TP_fast_assign( + __entry->nid = nid; + __entry->nr_scanned = nr_scanned; + __entry->nr_reclaimed = nr_reclaimed; + __entry->nr_dirty = stat->nr_dirty; + __entry->nr_writeback = stat->nr_writeback; + __entry->nr_congested = stat->nr_congested; + __entry->nr_immediate = stat->nr_immediate; + __entry->nr_activate0 = stat->nr_activate[0]; + __entry->nr_activate1 = stat->nr_activate[1]; + __entry->nr_ref_keep = stat->nr_ref_keep; + __entry->nr_unmap_fail = stat->nr_unmap_fail; + __entry->priority = priority; + __entry->reclaim_flags = trace_reclaim_flags(file); + ), + + 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", + __entry->nid, + __entry->nr_scanned, __entry->nr_reclaimed, + __entry->nr_dirty, __entry->nr_writeback, + __entry->nr_congested, __entry->nr_immediate, + __entry->nr_activate0, __entry->nr_activate1, + __entry->nr_ref_keep, __entry->nr_unmap_fail, + __entry->priority, + show_reclaim_flags(__entry->reclaim_flags)) +); + +TRACE_EVENT(mm_vmscan_lru_shrink_active, + + TP_PROTO(int nid, unsigned long nr_taken, + unsigned long nr_active, unsigned long nr_deactivated, + unsigned long nr_referenced, int priority, int file), + + TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file), + + TP_STRUCT__entry( + __field(int, nid) + __field(unsigned long, nr_taken) + __field(unsigned long, nr_active) + __field(unsigned long, nr_deactivated) + __field(unsigned long, nr_referenced) + __field(int, priority) + __field(int, reclaim_flags) + ), + + TP_fast_assign( + __entry->nid = nid; + __entry->nr_taken = nr_taken; + __entry->nr_active = nr_active; + __entry->nr_deactivated = nr_deactivated; + __entry->nr_referenced = nr_referenced; + __entry->priority = priority; + __entry->reclaim_flags = trace_reclaim_flags(file); + ), + + TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", + __entry->nid, + __entry->nr_taken, + __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced, + __entry->priority, + show_reclaim_flags(__entry->reclaim_flags)) +); + +TRACE_EVENT(mm_vmscan_node_reclaim_begin, + + TP_PROTO(int nid, int order, gfp_t gfp_flags), + + TP_ARGS(nid, order, gfp_flags), + + TP_STRUCT__entry( + __field(int, nid) + __field(int, order) + __field(unsigned long, gfp_flags) + ), + + TP_fast_assign( + __entry->nid = nid; + __entry->order = order; + __entry->gfp_flags = (__force unsigned long)gfp_flags; + ), + + TP_printk("nid=%d order=%d gfp_flags=%s", + __entry->nid, + __entry->order, + show_gfp_flags(__entry->gfp_flags)) +); + +DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end, + + TP_PROTO(unsigned long nr_reclaimed), + + TP_ARGS(nr_reclaimed) +); + +TRACE_EVENT(mm_vmscan_throttled, + + TP_PROTO(int nid, int usec_timeout, int usec_delayed, int reason), + + TP_ARGS(nid, usec_timeout, usec_delayed, reason), + + TP_STRUCT__entry( + __field(int, nid) + __field(int, usec_timeout) + __field(int, usec_delayed) + __field(int, reason) + ), + + TP_fast_assign( + __entry->nid = nid; + __entry->usec_timeout = usec_timeout; + __entry->usec_delayed = usec_delayed; + __entry->reason = 1U << reason; + ), + + TP_printk("nid=%d usec_timeout=%d usect_delayed=%d reason=%s", + __entry->nid, + __entry->usec_timeout, + __entry->usec_delayed, + show_throttle_flags(__entry->reason)) +); +#endif /* _TRACE_VMSCAN_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |