Quelle  vmscan.h   Sprache: C

/* 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,
  int lru),

 TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, 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(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->lru = lru;
 ),

 /*
 * classzone is previous name of the highest_zoneidx.
 * Reason not to change it is the ABI requirement of the tracepoint.
 */
 TP_printk("classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
  __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_reclaim_pages,

 TP_PROTO(int nid,
  unsigned long nr_scanned, unsigned long nr_reclaimed,
  struct reclaim_stat *stat),

 TP_ARGS(nid, nr_scanned, nr_reclaimed, stat),

 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)
 ),

 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;
 ),

 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",
  __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)
);

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>