forked from Minki/linux
83cd81a343
This is useful for observing swap token activity.
example output:
zsh-1845 [000] 598.962716: update_swap_token_priority:
mm=ffff88015eaf7700 old_prio=1 new_prio=0
memtoy-1830 [001] 602.033900: update_swap_token_priority:
mm=ffff880037a45880 old_prio=947 new_prio=949
memtoy-1830 [000] 602.041509: update_swap_token_priority:
mm=ffff880037a45880 old_prio=949 new_prio=951
memtoy-1830 [000] 602.051959: update_swap_token_priority:
mm=ffff880037a45880 old_prio=951 new_prio=953
memtoy-1830 [000] 602.052188: update_swap_token_priority:
mm=ffff880037a45880 old_prio=953 new_prio=955
memtoy-1830 [001] 602.427184: put_swap_token:
token_mm=ffff880037a45880
zsh-1789 [000] 602.427281: replace_swap_token:
old_token_mm= (null) old_prio=0 new_token_mm=ffff88015eaf7018
new_prio=2
zsh-1789 [001] 602.433456: update_swap_token_priority:
mm=ffff88015eaf7018 old_prio=2 new_prio=4
zsh-1789 [000] 602.437613: update_swap_token_priority:
mm=ffff88015eaf7018 old_prio=4 new_prio=6
zsh-1789 [000] 602.443924: update_swap_token_priority:
mm=ffff88015eaf7018 old_prio=6 new_prio=8
zsh-1789 [000] 602.451873: update_swap_token_priority:
mm=ffff88015eaf7018 old_prio=8 new_prio=10
zsh-1789 [001] 602.462639: update_swap_token_priority:
mm=ffff88015eaf7018 old_prio=10 new_prio=12
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Rik van Riel<riel@redhat.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
395 lines
9.1 KiB
C
395 lines
9.1 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM vmscan
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#if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_VMSCAN_H
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#include <linux/mm.h>
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#include <linux/memcontrol.h>
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#include "gfpflags.h"
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#define RECLAIM_WB_ANON 0x0001u
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#define RECLAIM_WB_FILE 0x0002u
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#define RECLAIM_WB_MIXED 0x0010u
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#define RECLAIM_WB_SYNC 0x0004u
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#define RECLAIM_WB_ASYNC 0x0008u
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#define show_reclaim_flags(flags) \
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(flags) ? __print_flags(flags, "|", \
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{RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \
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{RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \
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{RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \
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{RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \
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{RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \
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) : "RECLAIM_WB_NONE"
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#define trace_reclaim_flags(page, sync) ( \
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(page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
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(sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
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)
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#define trace_shrink_flags(file, sync) ( \
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(sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_MIXED : \
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(file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON)) | \
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(sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
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)
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TRACE_EVENT(mm_vmscan_kswapd_sleep,
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TP_PROTO(int nid),
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TP_ARGS(nid),
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TP_STRUCT__entry(
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__field( int, nid )
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),
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TP_fast_assign(
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__entry->nid = nid;
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),
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TP_printk("nid=%d", __entry->nid)
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);
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TRACE_EVENT(mm_vmscan_kswapd_wake,
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TP_PROTO(int nid, int order),
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TP_ARGS(nid, order),
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TP_STRUCT__entry(
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__field( int, nid )
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__field( int, order )
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),
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TP_fast_assign(
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__entry->nid = nid;
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__entry->order = order;
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),
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TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
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);
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TRACE_EVENT(mm_vmscan_wakeup_kswapd,
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TP_PROTO(int nid, int zid, int order),
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TP_ARGS(nid, zid, order),
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TP_STRUCT__entry(
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__field( int, nid )
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__field( int, zid )
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__field( int, order )
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),
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TP_fast_assign(
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__entry->nid = nid;
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__entry->zid = zid;
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__entry->order = order;
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),
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TP_printk("nid=%d zid=%d order=%d",
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__entry->nid,
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__entry->zid,
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__entry->order)
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);
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DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
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TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
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TP_ARGS(order, may_writepage, gfp_flags),
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TP_STRUCT__entry(
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__field( int, order )
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__field( int, may_writepage )
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__field( gfp_t, gfp_flags )
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),
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TP_fast_assign(
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__entry->order = order;
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__entry->may_writepage = may_writepage;
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__entry->gfp_flags = gfp_flags;
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),
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TP_printk("order=%d may_writepage=%d gfp_flags=%s",
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__entry->order,
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__entry->may_writepage,
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show_gfp_flags(__entry->gfp_flags))
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);
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DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
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TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
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TP_ARGS(order, may_writepage, gfp_flags)
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);
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DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
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TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
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TP_ARGS(order, may_writepage, gfp_flags)
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);
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DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
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TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
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TP_ARGS(order, may_writepage, gfp_flags)
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);
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DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
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TP_PROTO(unsigned long nr_reclaimed),
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TP_ARGS(nr_reclaimed),
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TP_STRUCT__entry(
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__field( unsigned long, nr_reclaimed )
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),
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TP_fast_assign(
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__entry->nr_reclaimed = nr_reclaimed;
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),
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TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
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);
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DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
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TP_PROTO(unsigned long nr_reclaimed),
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TP_ARGS(nr_reclaimed)
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);
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DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
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TP_PROTO(unsigned long nr_reclaimed),
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TP_ARGS(nr_reclaimed)
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);
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DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
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TP_PROTO(unsigned long nr_reclaimed),
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TP_ARGS(nr_reclaimed)
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);
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DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
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TP_PROTO(int order,
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unsigned long nr_requested,
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unsigned long nr_scanned,
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unsigned long nr_taken,
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unsigned long nr_lumpy_taken,
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unsigned long nr_lumpy_dirty,
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unsigned long nr_lumpy_failed,
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int isolate_mode),
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TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode),
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TP_STRUCT__entry(
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__field(int, order)
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__field(unsigned long, nr_requested)
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__field(unsigned long, nr_scanned)
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__field(unsigned long, nr_taken)
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__field(unsigned long, nr_lumpy_taken)
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__field(unsigned long, nr_lumpy_dirty)
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__field(unsigned long, nr_lumpy_failed)
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__field(int, isolate_mode)
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),
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TP_fast_assign(
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__entry->order = order;
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__entry->nr_requested = nr_requested;
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__entry->nr_scanned = nr_scanned;
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__entry->nr_taken = nr_taken;
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__entry->nr_lumpy_taken = nr_lumpy_taken;
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__entry->nr_lumpy_dirty = nr_lumpy_dirty;
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__entry->nr_lumpy_failed = nr_lumpy_failed;
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__entry->isolate_mode = isolate_mode;
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),
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TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu",
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__entry->isolate_mode,
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__entry->order,
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__entry->nr_requested,
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__entry->nr_scanned,
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__entry->nr_taken,
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__entry->nr_lumpy_taken,
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__entry->nr_lumpy_dirty,
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__entry->nr_lumpy_failed)
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);
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DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
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TP_PROTO(int order,
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unsigned long nr_requested,
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unsigned long nr_scanned,
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unsigned long nr_taken,
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unsigned long nr_lumpy_taken,
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unsigned long nr_lumpy_dirty,
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unsigned long nr_lumpy_failed,
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int isolate_mode),
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TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
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);
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DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
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TP_PROTO(int order,
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unsigned long nr_requested,
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unsigned long nr_scanned,
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unsigned long nr_taken,
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unsigned long nr_lumpy_taken,
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unsigned long nr_lumpy_dirty,
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unsigned long nr_lumpy_failed,
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int isolate_mode),
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TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
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);
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TRACE_EVENT(mm_vmscan_writepage,
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TP_PROTO(struct page *page,
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int reclaim_flags),
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TP_ARGS(page, reclaim_flags),
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TP_STRUCT__entry(
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__field(struct page *, page)
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__field(int, reclaim_flags)
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),
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TP_fast_assign(
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__entry->page = page;
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__entry->reclaim_flags = reclaim_flags;
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),
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TP_printk("page=%p pfn=%lu flags=%s",
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__entry->page,
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page_to_pfn(__entry->page),
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show_reclaim_flags(__entry->reclaim_flags))
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);
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TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
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TP_PROTO(int nid, int zid,
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unsigned long nr_scanned, unsigned long nr_reclaimed,
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int priority, int reclaim_flags),
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TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
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TP_STRUCT__entry(
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__field(int, nid)
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__field(int, zid)
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__field(unsigned long, nr_scanned)
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__field(unsigned long, nr_reclaimed)
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__field(int, priority)
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__field(int, reclaim_flags)
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),
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TP_fast_assign(
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__entry->nid = nid;
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__entry->zid = zid;
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__entry->nr_scanned = nr_scanned;
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__entry->nr_reclaimed = nr_reclaimed;
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__entry->priority = priority;
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__entry->reclaim_flags = reclaim_flags;
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),
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TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
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__entry->nid, __entry->zid,
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__entry->nr_scanned, __entry->nr_reclaimed,
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__entry->priority,
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show_reclaim_flags(__entry->reclaim_flags))
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);
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TRACE_EVENT(replace_swap_token,
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TP_PROTO(struct mm_struct *old_mm,
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struct mm_struct *new_mm),
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TP_ARGS(old_mm, new_mm),
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TP_STRUCT__entry(
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__field(struct mm_struct*, old_mm)
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__field(unsigned int, old_prio)
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__field(struct mm_struct*, new_mm)
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__field(unsigned int, new_prio)
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),
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TP_fast_assign(
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__entry->old_mm = old_mm;
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__entry->old_prio = old_mm ? old_mm->token_priority : 0;
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__entry->new_mm = new_mm;
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__entry->new_prio = new_mm->token_priority;
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),
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TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
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__entry->old_mm, __entry->old_prio,
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__entry->new_mm, __entry->new_prio)
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);
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DECLARE_EVENT_CLASS(put_swap_token_template,
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TP_PROTO(struct mm_struct *swap_token_mm),
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TP_ARGS(swap_token_mm),
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TP_STRUCT__entry(
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__field(struct mm_struct*, swap_token_mm)
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),
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TP_fast_assign(
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__entry->swap_token_mm = swap_token_mm;
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),
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TP_printk("token_mm=%p", __entry->swap_token_mm)
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);
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DEFINE_EVENT(put_swap_token_template, put_swap_token,
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TP_PROTO(struct mm_struct *swap_token_mm),
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TP_ARGS(swap_token_mm)
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);
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DEFINE_EVENT_CONDITION(put_swap_token_template, disable_swap_token,
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TP_PROTO(struct mm_struct *swap_token_mm),
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TP_ARGS(swap_token_mm),
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TP_CONDITION(swap_token_mm != NULL)
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);
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TRACE_EVENT_CONDITION(update_swap_token_priority,
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TP_PROTO(struct mm_struct *mm,
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unsigned int old_prio),
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TP_ARGS(mm, old_prio),
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TP_CONDITION(mm->token_priority != old_prio),
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TP_STRUCT__entry(
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__field(struct mm_struct*, mm)
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__field(unsigned int, old_prio)
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__field(unsigned int, new_prio)
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),
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TP_fast_assign(
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__entry->mm = mm;
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__entry->old_prio = old_prio;
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__entry->new_prio = mm->token_priority;
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),
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TP_printk("mm=%p old_prio=%u new_prio=%u",
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__entry->mm, __entry->old_prio, __entry->new_prio)
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);
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#endif /* _TRACE_VMSCAN_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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