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mm: change mm_vmscan_lru_shrink_inactive() proto types 

Move node_id zone_idx shrink flags into trace function, so thay we don't
need caculate these args if the trace is disabled, and will make this
function have less arguments.

Signed-off-by: yalin wang <yalin.wang2010@gmail.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
yalin wang 2016-01-14 15:18:48 -08:00 committed by Linus Torvalds
parent 8ef5849fa8
commit ba5e957943
2 changed files with 9 additions and 12 deletions
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14
include/trace/events/vmscan.h
View File

@ -352,11 +352,11 @@ TRACE_EVENT(mm_vmscan_writepage,
TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
TP_PROTO(int nid, int zid,
unsigned long nr_scanned, unsigned long nr_reclaimed,
int priority, int reclaim_flags),
TP_PROTO(struct zone *zone,
unsigned long nr_scanned, unsigned long nr_reclaimed,
int priority, int file),
TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
TP_ARGS(zone, nr_scanned, nr_reclaimed, priority, file),
TP_STRUCT__entry(
__field(int, nid)
@ -368,12 +368,12 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
),
TP_fast_assign(
__entry->nid = nid;
__entry->zid = zid;
__entry->nid = zone_to_nid(zone);
__entry->zid = zone_idx(zone);
__entry->nr_scanned = nr_scanned;
__entry->nr_reclaimed = nr_reclaimed;
__entry->priority = priority;
__entry->reclaim_flags = reclaim_flags;
__entry->reclaim_flags = trace_shrink_flags(file);
),
TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",

7
mm/vmscan.c
View File

@ -1691,11 +1691,8 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
current_may_throttle())
wait_iff_congested(zone, BLK_RW_ASYNC, HZ/10);
trace_mm_vmscan_lru_shrink_inactive(zone->zone_pgdat->node_id,
zone_idx(zone),
nr_scanned, nr_reclaimed,
sc->priority,
trace_shrink_flags(file));
trace_mm_vmscan_lru_shrink_inactive(zone, nr_scanned, nr_reclaimed,
sc->priority, file);
return nr_reclaimed;
}