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/* 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 trace_reclaim_flags(page) ( \
	(page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
	(RECLAIM_WB_ASYNC) \
	)

#define trace_shrink_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 zid=%d order=%d", __entry->nid, __entry->zid, __entry->order)
);

TRACE_EVENT(mm_vmscan_wakeup_kswapd,

	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 zid=%d order=%d",
		__entry->nid,
		__entry->zid,
		__entry->order)
);

DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),

	TP_ARGS(order, may_writepage, gfp_flags, classzone_idx),

	TP_STRUCT__entry(
		__field(	int,	order		)
		__field(	int,	may_writepage	)
		__field(	gfp_t,	gfp_flags	)
		__field(	int,	classzone_idx	)
	),

	TP_fast_assign(
		__entry->order		= order;
		__entry->may_writepage	= may_writepage;
		__entry->gfp_flags	= gfp_flags;
		__entry->classzone_idx	= classzone_idx;
	),

	TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d",
		__entry->order,
		__entry->may_writepage,
		show_gfp_flags(__entry->gfp_flags),
		__entry->classzone_idx)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),

	TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
);

#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),

	TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),

	TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
);
#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 pgs_scanned,
		unsigned long lru_pgs, unsigned long cache_items,
		unsigned long long delta, unsigned long total_scan),

	TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
		cache_items, delta, total_scan),

	TP_STRUCT__entry(
		__field(struct shrinker *, shr)
		__field(void *, shrink)
		__field(int, nid)
		__field(long, nr_objects_to_shrink)
		__field(gfp_t, gfp_flags)
		__field(unsigned long, pgs_scanned)
		__field(unsigned long, lru_pgs)
		__field(unsigned long, cache_items)
		__field(unsigned long long, delta)
		__field(unsigned long, total_scan)
	),

	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 = sc->gfp_mask;
		__entry->pgs_scanned = pgs_scanned;
		__entry->lru_pgs = lru_pgs;
		__entry->cache_items = cache_items;
		__entry->delta = delta;
		__entry->total_scan = total_scan;
	),

	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",
		__entry->shrink,
		__entry->shr,
		__entry->nid,
		__entry->nr_objects_to_shrink,
		show_gfp_flags(__entry->gfp_flags),
		__entry->pgs_scanned,
		__entry->lru_pgs,
		__entry->cache_items,
		__entry->delta,
		__entry->total_scan)
);

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("%pF %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 classzone_idx,
		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(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),

	TP_STRUCT__entry(
		__field(int, classzone_idx)
		__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->classzone_idx = classzone_idx;
		__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;
	),

	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->classzone_idx,
		__entry->order,
		__entry->nr_requested,
		__entry->nr_scanned,
		__entry->nr_skipped,
		__entry->nr_taken,
		__print_symbolic(__entry->lru, LRU_NAMES))
);

TRACE_EVENT(mm_vmscan_writepage,

	TP_PROTO(struct page *page),

	TP_ARGS(page),

	TP_STRUCT__entry(
		__field(unsigned long, pfn)
		__field(int, reclaim_flags)
	),

	TP_fast_assign(
		__entry->pfn = page_to_pfn(page);
		__entry->reclaim_flags = trace_reclaim_flags(page);
	),

	TP_printk("page=%p pfn=%lu 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,
		unsigned long nr_dirty, unsigned long nr_writeback,
		unsigned long nr_congested, unsigned long nr_immediate,
		unsigned long nr_activate, unsigned long nr_ref_keep,
		unsigned long nr_unmap_fail,
		int priority, int file),

	TP_ARGS(nid, nr_scanned, nr_reclaimed, nr_dirty, nr_writeback,
		nr_congested, nr_immediate, nr_activate, nr_ref_keep,
		nr_unmap_fail, 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 long, nr_activate)
		__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 = nr_dirty;
		__entry->nr_writeback = nr_writeback;
		__entry->nr_congested = nr_congested;
		__entry->nr_immediate = nr_immediate;
		__entry->nr_activate = nr_activate;
		__entry->nr_ref_keep = nr_ref_keep;
		__entry->nr_unmap_fail = nr_unmap_fail;
		__entry->priority = priority;
		__entry->reclaim_flags = trace_shrink_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=%ld 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_activate, __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_shrink_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_inactive_list_is_low,

	TP_PROTO(int nid, int reclaim_idx,
		unsigned long total_inactive, unsigned long inactive,
		unsigned long total_active, unsigned long active,
		unsigned long ratio, int file),

	TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),

	TP_STRUCT__entry(
		__field(int, nid)
		__field(int, reclaim_idx)
		__field(unsigned long, total_inactive)
		__field(unsigned long, inactive)
		__field(unsigned long, total_active)
		__field(unsigned long, active)
		__field(unsigned long, ratio)
		__field(int, reclaim_flags)
	),

	TP_fast_assign(
		__entry->nid = nid;
		__entry->reclaim_idx = reclaim_idx;
		__entry->total_inactive = total_inactive;
		__entry->inactive = inactive;
		__entry->total_active = total_active;
		__entry->active = active;
		__entry->ratio = ratio;
		__entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
	),

	TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
		__entry->nid,
		__entry->reclaim_idx,
		__entry->total_inactive, __entry->inactive,
		__entry->total_active, __entry->active,
		__entry->ratio,
		show_reclaim_flags(__entry->reclaim_flags))
);
#endif /* _TRACE_VMSCAN_H */

/* This part must be outside protection */
#include <trace/define_trace.h>

Filemanager

Name Type Size Permission Actions
9p.h File 5.1 KB 0644
afs.h File 13.13 KB 0644
alarmtimer.h File 2.04 KB 0644
asoc.h File 5.17 KB 0644
bcache.h File 10.9 KB 0644
block.h File 17.18 KB 0644
bpf.h File 8.23 KB 0644
bridge.h File 3.45 KB 0644
btrfs.h File 46.21 KB 0644
cgroup.h File 3.21 KB 0644
clk.h File 3.69 KB 0644
cma.h File 1.31 KB 0644
compaction.h File 7.76 KB 0644
context_tracking.h File 1.15 KB 0644
cpuhp.h File 1.83 KB 0644
devlink.h File 1.76 KB 0644
dma_fence.h File 1.66 KB 0644
ext4.h File 64.44 KB 0644
f2fs.h File 36.38 KB 0644
fib.h File 2.45 KB 0644
fib6.h File 1.82 KB 0644
filelock.h File 6.27 KB 0644
filemap.h File 2.74 KB 0644
fs.h File 946 B 0644
fs_dax.h File 8.26 KB 0644
fsi.h File 2.81 KB 0644
fsi_master_gpio.h File 1.54 KB 0644
gpio.h File 1.13 KB 0644
host1x.h File 5.77 KB 0644
hswadsp.h File 8.37 KB 0644
huge_memory.h File 4.33 KB 0644
i2c.h File 4.15 KB 0644
intel-sst.h File 2.51 KB 0644
intel_ish.h File 556 B 0644
iommu.h File 3.03 KB 0644
ipi.h File 1.88 KB 0644
irq.h File 3.8 KB 0644
irq_matrix.h File 4.94 KB 0644
jbd2.h File 9.79 KB 0644
kmem.h File 7.39 KB 0644
kvm.h File 9.03 KB 0644
libata.h File 11.57 KB 0644
lock.h File 1.7 KB 0644
mce.h File 1.85 KB 0644
mdio.h File 1.02 KB 0644
migrate.h File 2.42 KB 0644
mmc.h File 7.24 KB 0644
mmflags.h File 8.29 KB 0644
module.h File 2.78 KB 0644
napi.h File 1013 B 0644
net.h File 6.56 KB 0644
nilfs2.h File 5.2 KB 0644
nmi.h File 780 B 0644
oom.h File 3.88 KB 0644
page_isolation.h File 943 B 0644
page_ref.h File 2.99 KB 0644
pagemap.h File 2.14 KB 0644
percpu.h File 2.61 KB 0644
power.h File 11.35 KB 0644
power_cpu_migrate.h File 1.59 KB 0644
preemptirq.h File 1.95 KB 0644
printk.h File 786 B 0644
qdisc.h File 1.37 KB 0644
rcu.h File 24.64 KB 0644
regulator.h File 2.4 KB 0644
rpm.h File 2.34 KB 0644
rxrpc.h File 33.79 KB 0644
sched.h File 14.12 KB 0644
scsi.h File 12.32 KB 0644
signal.h File 3.43 KB 0644
skb.h File 1.38 KB 0644
smbus.h File 7.51 KB 0644
sock.h File 1.72 KB 0644
spi.h File 3.31 KB 0644
spmi.h File 3.24 KB 0644
sunrpc.h File 18.31 KB 0644
sunvnet.h File 3.06 KB 0644
swiotlb.h File 1.22 KB 0644
syscalls.h File 1.48 KB 0644
target.h File 7.52 KB 0644
task.h File 1.49 KB 0644
tcp.h File 6.57 KB 0644
thermal.h File 5.58 KB 0644
thermal_power_allocator.h File 3.22 KB 0644
thp.h File 2.09 KB 0644
timer.h File 9.58 KB 0644
tlb.h File 1.41 KB 0644
udp.h File 632 B 0644
ufs.h File 6.85 KB 0644
v4l2.h File 8.81 KB 0644
vb2.h File 1.73 KB 0644
vmscan.h File 12.47 KB 0644
vsock_virtio_transport_common.h File 3.49 KB 0644
wbt.h File 3.83 KB 0644
workqueue.h File 2.7 KB 0644
writeback.h File 19.81 KB 0644
xdp.h File 5.76 KB 0644
xen.h File 14.66 KB 0644