mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
447ba88658
The fast_isolate_freepages() can also isolate freepages, but we can not know the fast isolation efficiency to understand the fast isolation pressure. So add a trace event to show some numbers to help to understand the efficiency for fast freepages isolation. Link: https://lkml.kernel.org/r/78d2932d0160d122c15372aceb3f2c45460a17fc.1685018752.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
356 lines
7.7 KiB
C
356 lines
7.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM compaction
|
|
|
|
#if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_COMPACTION_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/list.h>
|
|
#include <linux/tracepoint.h>
|
|
#include <trace/events/mmflags.h>
|
|
|
|
|
|
DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
|
|
|
|
TP_PROTO(
|
|
unsigned long start_pfn,
|
|
unsigned long end_pfn,
|
|
unsigned long nr_scanned,
|
|
unsigned long nr_taken),
|
|
|
|
TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned long, start_pfn)
|
|
__field(unsigned long, end_pfn)
|
|
__field(unsigned long, nr_scanned)
|
|
__field(unsigned long, nr_taken)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->start_pfn = start_pfn;
|
|
__entry->end_pfn = end_pfn;
|
|
__entry->nr_scanned = nr_scanned;
|
|
__entry->nr_taken = nr_taken;
|
|
),
|
|
|
|
TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
|
|
__entry->start_pfn,
|
|
__entry->end_pfn,
|
|
__entry->nr_scanned,
|
|
__entry->nr_taken)
|
|
);
|
|
|
|
DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
|
|
|
|
TP_PROTO(
|
|
unsigned long start_pfn,
|
|
unsigned long end_pfn,
|
|
unsigned long nr_scanned,
|
|
unsigned long nr_taken),
|
|
|
|
TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
|
|
);
|
|
|
|
DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
|
|
|
|
TP_PROTO(
|
|
unsigned long start_pfn,
|
|
unsigned long end_pfn,
|
|
unsigned long nr_scanned,
|
|
unsigned long nr_taken),
|
|
|
|
TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
|
|
);
|
|
|
|
DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_fast_isolate_freepages,
|
|
|
|
TP_PROTO(
|
|
unsigned long start_pfn,
|
|
unsigned long end_pfn,
|
|
unsigned long nr_scanned,
|
|
unsigned long nr_taken),
|
|
|
|
TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
|
|
);
|
|
|
|
#ifdef CONFIG_COMPACTION
|
|
TRACE_EVENT(mm_compaction_migratepages,
|
|
|
|
TP_PROTO(struct compact_control *cc,
|
|
unsigned int nr_succeeded),
|
|
|
|
TP_ARGS(cc, nr_succeeded),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned long, nr_migrated)
|
|
__field(unsigned long, nr_failed)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->nr_migrated = nr_succeeded;
|
|
__entry->nr_failed = cc->nr_migratepages - nr_succeeded;
|
|
),
|
|
|
|
TP_printk("nr_migrated=%lu nr_failed=%lu",
|
|
__entry->nr_migrated,
|
|
__entry->nr_failed)
|
|
);
|
|
|
|
TRACE_EVENT(mm_compaction_begin,
|
|
TP_PROTO(struct compact_control *cc, unsigned long zone_start,
|
|
unsigned long zone_end, bool sync),
|
|
|
|
TP_ARGS(cc, zone_start, zone_end, sync),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned long, zone_start)
|
|
__field(unsigned long, migrate_pfn)
|
|
__field(unsigned long, free_pfn)
|
|
__field(unsigned long, zone_end)
|
|
__field(bool, sync)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->zone_start = zone_start;
|
|
__entry->migrate_pfn = cc->migrate_pfn;
|
|
__entry->free_pfn = cc->free_pfn;
|
|
__entry->zone_end = zone_end;
|
|
__entry->sync = sync;
|
|
),
|
|
|
|
TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s",
|
|
__entry->zone_start,
|
|
__entry->migrate_pfn,
|
|
__entry->free_pfn,
|
|
__entry->zone_end,
|
|
__entry->sync ? "sync" : "async")
|
|
);
|
|
|
|
TRACE_EVENT(mm_compaction_end,
|
|
TP_PROTO(struct compact_control *cc, unsigned long zone_start,
|
|
unsigned long zone_end, bool sync,
|
|
int status),
|
|
|
|
TP_ARGS(cc, zone_start, zone_end, sync, status),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned long, zone_start)
|
|
__field(unsigned long, migrate_pfn)
|
|
__field(unsigned long, free_pfn)
|
|
__field(unsigned long, zone_end)
|
|
__field(bool, sync)
|
|
__field(int, status)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->zone_start = zone_start;
|
|
__entry->migrate_pfn = cc->migrate_pfn;
|
|
__entry->free_pfn = cc->free_pfn;
|
|
__entry->zone_end = zone_end;
|
|
__entry->sync = sync;
|
|
__entry->status = status;
|
|
),
|
|
|
|
TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s status=%s",
|
|
__entry->zone_start,
|
|
__entry->migrate_pfn,
|
|
__entry->free_pfn,
|
|
__entry->zone_end,
|
|
__entry->sync ? "sync" : "async",
|
|
__print_symbolic(__entry->status, COMPACTION_STATUS))
|
|
);
|
|
|
|
TRACE_EVENT(mm_compaction_try_to_compact_pages,
|
|
|
|
TP_PROTO(
|
|
int order,
|
|
gfp_t gfp_mask,
|
|
int prio),
|
|
|
|
TP_ARGS(order, gfp_mask, prio),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(int, order)
|
|
__field(unsigned long, gfp_mask)
|
|
__field(int, prio)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->order = order;
|
|
__entry->gfp_mask = (__force unsigned long)gfp_mask;
|
|
__entry->prio = prio;
|
|
),
|
|
|
|
TP_printk("order=%d gfp_mask=%s priority=%d",
|
|
__entry->order,
|
|
show_gfp_flags(__entry->gfp_mask),
|
|
__entry->prio)
|
|
);
|
|
|
|
DECLARE_EVENT_CLASS(mm_compaction_suitable_template,
|
|
|
|
TP_PROTO(struct zone *zone,
|
|
int order,
|
|
int ret),
|
|
|
|
TP_ARGS(zone, order, ret),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(int, nid)
|
|
__field(enum zone_type, idx)
|
|
__field(int, order)
|
|
__field(int, ret)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->nid = zone_to_nid(zone);
|
|
__entry->idx = zone_idx(zone);
|
|
__entry->order = order;
|
|
__entry->ret = ret;
|
|
),
|
|
|
|
TP_printk("node=%d zone=%-8s order=%d ret=%s",
|
|
__entry->nid,
|
|
__print_symbolic(__entry->idx, ZONE_TYPE),
|
|
__entry->order,
|
|
__print_symbolic(__entry->ret, COMPACTION_STATUS))
|
|
);
|
|
|
|
DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_finished,
|
|
|
|
TP_PROTO(struct zone *zone,
|
|
int order,
|
|
int ret),
|
|
|
|
TP_ARGS(zone, order, ret)
|
|
);
|
|
|
|
DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_suitable,
|
|
|
|
TP_PROTO(struct zone *zone,
|
|
int order,
|
|
int ret),
|
|
|
|
TP_ARGS(zone, order, ret)
|
|
);
|
|
|
|
DECLARE_EVENT_CLASS(mm_compaction_defer_template,
|
|
|
|
TP_PROTO(struct zone *zone, int order),
|
|
|
|
TP_ARGS(zone, order),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(int, nid)
|
|
__field(enum zone_type, idx)
|
|
__field(int, order)
|
|
__field(unsigned int, considered)
|
|
__field(unsigned int, defer_shift)
|
|
__field(int, order_failed)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->nid = zone_to_nid(zone);
|
|
__entry->idx = zone_idx(zone);
|
|
__entry->order = order;
|
|
__entry->considered = zone->compact_considered;
|
|
__entry->defer_shift = zone->compact_defer_shift;
|
|
__entry->order_failed = zone->compact_order_failed;
|
|
),
|
|
|
|
TP_printk("node=%d zone=%-8s order=%d order_failed=%d consider=%u limit=%lu",
|
|
__entry->nid,
|
|
__print_symbolic(__entry->idx, ZONE_TYPE),
|
|
__entry->order,
|
|
__entry->order_failed,
|
|
__entry->considered,
|
|
1UL << __entry->defer_shift)
|
|
);
|
|
|
|
DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_deferred,
|
|
|
|
TP_PROTO(struct zone *zone, int order),
|
|
|
|
TP_ARGS(zone, order)
|
|
);
|
|
|
|
DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_compaction,
|
|
|
|
TP_PROTO(struct zone *zone, int order),
|
|
|
|
TP_ARGS(zone, order)
|
|
);
|
|
|
|
DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_reset,
|
|
|
|
TP_PROTO(struct zone *zone, int order),
|
|
|
|
TP_ARGS(zone, order)
|
|
);
|
|
|
|
TRACE_EVENT(mm_compaction_kcompactd_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)
|
|
);
|
|
|
|
DECLARE_EVENT_CLASS(kcompactd_wake_template,
|
|
|
|
TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
|
|
|
|
TP_ARGS(nid, order, highest_zoneidx),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(int, nid)
|
|
__field(int, order)
|
|
__field(enum zone_type, highest_zoneidx)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->nid = nid;
|
|
__entry->order = order;
|
|
__entry->highest_zoneidx = highest_zoneidx;
|
|
),
|
|
|
|
/*
|
|
* classzone_idx is previous name of the highest_zoneidx.
|
|
* Reason not to change it is the ABI requirement of the tracepoint.
|
|
*/
|
|
TP_printk("nid=%d order=%d classzone_idx=%-8s",
|
|
__entry->nid,
|
|
__entry->order,
|
|
__print_symbolic(__entry->highest_zoneidx, ZONE_TYPE))
|
|
);
|
|
|
|
DEFINE_EVENT(kcompactd_wake_template, mm_compaction_wakeup_kcompactd,
|
|
|
|
TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
|
|
|
|
TP_ARGS(nid, order, highest_zoneidx)
|
|
);
|
|
|
|
DEFINE_EVENT(kcompactd_wake_template, mm_compaction_kcompactd_wake,
|
|
|
|
TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
|
|
|
|
TP_ARGS(nid, order, highest_zoneidx)
|
|
);
|
|
#endif
|
|
|
|
#endif /* _TRACE_COMPACTION_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|